test/test_buffer.cpp

Tue, 07 Feb 2023 20:08:45 +0100

author
Mike Becker <universe@uap-core.de>
date
Tue, 07 Feb 2023 20:08:45 +0100
changeset 650
77021e06b1a8
parent 569
cb63f3d1236a
permissions
-rw-r--r--

fix code not compiling under windows+mingw

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "cx/buffer.h"
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30
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31 #include <gtest/gtest.h>
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32 #include "util_allocator.h"
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33
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34 class BufferFixture : public ::testing::Test {
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35 protected:
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36 void SetUp() override {
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37 cxBufferInit(&buf, nullptr, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
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38 buf.size = 6;
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39 buf.pos = 3;
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40 }
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41
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42 void TearDown() override {
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43 cxBufferDestroy(&buf);
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44 }
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45
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46 CxBuffer buf{};
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47 };
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48
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49 static void expect_default_flush_config(CxBuffer *buf) {
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50 EXPECT_EQ(buf->flush_blkmax, 0);
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51 EXPECT_EQ(buf->flush_blksize, 4096);
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52 EXPECT_EQ(buf->flush_threshold, SIZE_MAX);
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53 EXPECT_EQ(buf->flush_func, nullptr);
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54 EXPECT_EQ(buf->flush_target, nullptr);
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55 }
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56
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57 TEST(BufferInit, WrapSpace) {
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58 CxTestingAllocator alloc;
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59 CxBuffer buf;
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60 void *space = cxMalloc(&alloc, 16);
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61 cxBufferInit(&buf, space, 16, &alloc, CX_BUFFER_DEFAULT);
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62 expect_default_flush_config(&buf);
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63 EXPECT_EQ(buf.space, space);
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64 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0);
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65 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, 0);
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66 EXPECT_EQ(buf.pos, 0);
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67 EXPECT_EQ(buf.size, 0);
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68 EXPECT_EQ(buf.capacity, 16);
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69 EXPECT_EQ(buf.allocator, &alloc);
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70 cxBufferDestroy(&buf);
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71 EXPECT_FALSE(alloc.verify());
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72 cxFree(&alloc, space);
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73 EXPECT_TRUE(alloc.verify());
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74 }
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75
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76 TEST(BufferInit, WrapSpaceAutoExtend) {
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77 CxTestingAllocator alloc;
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78 CxBuffer buf;
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79 void *space = cxMalloc(&alloc, 16);
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80 cxBufferInit(&buf, space, 16, &alloc, CX_BUFFER_AUTO_EXTEND);
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81 expect_default_flush_config(&buf);
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82 EXPECT_EQ(buf.space, space);
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83 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, CX_BUFFER_AUTO_EXTEND);
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84 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, 0);
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85 EXPECT_EQ(buf.pos, 0);
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86 EXPECT_EQ(buf.size, 0);
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87 EXPECT_EQ(buf.capacity, 16);
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88 EXPECT_EQ(buf.allocator, &alloc);
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89 cxBufferDestroy(&buf);
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90 EXPECT_FALSE(alloc.verify());
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91 cxFree(&alloc, space);
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92 EXPECT_TRUE(alloc.verify());
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93 }
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94
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95 TEST(BufferInit, WrapSpaceAutoFree) {
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96 CxTestingAllocator alloc;
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97 CxBuffer buf;
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98 void *space = cxMalloc(&alloc, 16);
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99 cxBufferInit(&buf, space, 16, &alloc, CX_BUFFER_FREE_CONTENTS);
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100 expect_default_flush_config(&buf);
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101 EXPECT_EQ(buf.space, space);
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102 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0);
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103 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, CX_BUFFER_FREE_CONTENTS);
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104 EXPECT_EQ(buf.pos, 0);
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105 EXPECT_EQ(buf.size, 0);
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106 EXPECT_EQ(buf.capacity, 16);
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107 EXPECT_EQ(buf.allocator, &alloc);
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108 EXPECT_FALSE(alloc.verify());
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109 cxBufferDestroy(&buf);
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110 EXPECT_TRUE(alloc.verify());
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111 }
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112
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113 TEST(BufferInit, FreshSpace) {
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114 CxTestingAllocator alloc;
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115 CxBuffer buf;
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116 cxBufferInit(&buf, nullptr, 8, &alloc, CX_BUFFER_DEFAULT);
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117 expect_default_flush_config(&buf);
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118 EXPECT_NE(buf.space, nullptr);
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119 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0);
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120 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, CX_BUFFER_FREE_CONTENTS);
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121 EXPECT_EQ(buf.pos, 0);
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122 EXPECT_EQ(buf.size, 0);
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123 EXPECT_EQ(buf.capacity, 8);
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124 EXPECT_EQ(buf.allocator, &alloc);
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125 EXPECT_FALSE(alloc.verify()); // space is still allocated
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126 cxBufferDestroy(&buf);
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127 EXPECT_TRUE(alloc.verify());
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128 }
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129
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130 class BufferShiftFixture : public ::testing::Test {
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131 protected:
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132 void SetUp() override {
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133 ASSERT_TRUE(alloc.verify());
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134 cxBufferInit(&buf, nullptr, 16, &alloc, CX_BUFFER_DEFAULT);
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135 memcpy(buf.space, "test____________", 16);
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136 buf.capacity = 8; // purposely pretend that the buffer has less capacity s.t. we can test beyond the range
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137 buf.pos = 4;
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138 buf.size = 4;
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139 }
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140
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141 void TearDown() override {
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142 cxBufferDestroy(&buf);
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143 EXPECT_TRUE(alloc.verify());
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144 }
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145
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146 CxTestingAllocator alloc;
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147 CxBuffer buf{};
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148 };
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149
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150 class BufferShiftLeft : public BufferShiftFixture {
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151 };
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152
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153 TEST_F(BufferShiftLeft, Zero) {
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154 ASSERT_EQ(buf.pos, 4);
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155 ASSERT_EQ(buf.size, 4);
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156 int ret = cxBufferShiftLeft(&buf, 0);
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157 EXPECT_EQ(ret, 0);
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158 EXPECT_EQ(buf.pos, 4);
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159 EXPECT_EQ(buf.size, 4);
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160 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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161 }
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162
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163 TEST_F(BufferShiftLeft, ZeroOffsetInterface) {
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164 ASSERT_EQ(buf.pos, 4);
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165 ASSERT_EQ(buf.size, 4);
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166 int ret = cxBufferShift(&buf, -0);
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167 EXPECT_EQ(ret, 0);
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168 EXPECT_EQ(buf.pos, 4);
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169 EXPECT_EQ(buf.size, 4);
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170 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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171 }
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172
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173 TEST_F(BufferShiftLeft, Standard) {
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174 ASSERT_EQ(buf.pos, 4);
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175 ASSERT_EQ(buf.size, 4);
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176 int ret = cxBufferShiftLeft(&buf, 2);
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177 EXPECT_EQ(ret, 0);
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178 EXPECT_EQ(buf.pos, 2);
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179 EXPECT_EQ(buf.size, 2);
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180 EXPECT_TRUE(memcmp(buf.space, "stst________", 8) == 0);
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181 }
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182
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183 TEST_F(BufferShiftLeft, Overshift) {
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184 ASSERT_LT(buf.pos, 6);
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185 ASSERT_LT(buf.size, 6);
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186 int ret = cxBufferShiftLeft(&buf, 6);
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187 EXPECT_EQ(ret, 0);
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188 EXPECT_EQ(buf.pos, 0);
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189 EXPECT_EQ(buf.size, 0);
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190 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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191 }
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192
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193 TEST_F(BufferShiftLeft, OvershiftPosOnly) {
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194 buf.pos = 2;
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195 ASSERT_EQ(buf.size, 4);
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196 int ret = cxBufferShiftLeft(&buf, 3);
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197 EXPECT_EQ(ret, 0);
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198 EXPECT_EQ(buf.pos, 0);
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199 EXPECT_EQ(buf.size, 1);
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200 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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201 }
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202
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203 TEST_F(BufferShiftLeft, OffsetInterface) {
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204 buf.pos = 3;
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205 ASSERT_EQ(buf.size, 4);
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206 int ret = cxBufferShift(&buf, -2);
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207 EXPECT_EQ(ret, 0);
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208 EXPECT_EQ(buf.pos, 1);
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209 EXPECT_EQ(buf.size, 2);
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210 EXPECT_TRUE(memcmp(buf.space, "stst________", 8) == 0);
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211 }
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212
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213 class BufferShiftRight : public BufferShiftFixture {
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214 };
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215
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216 TEST_F(BufferShiftRight, Zero) {
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217 ASSERT_EQ(buf.pos, 4);
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218 ASSERT_EQ(buf.size, 4);
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219 int ret = cxBufferShiftRight(&buf, 0);
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220 EXPECT_EQ(ret, 0);
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221 EXPECT_EQ(buf.pos, 4);
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222 EXPECT_EQ(buf.size, 4);
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223 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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224 }
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225
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226 TEST_F(BufferShiftRight, ZeroOffsetInterface) {
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227 ASSERT_EQ(buf.pos, 4);
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228 ASSERT_EQ(buf.size, 4);
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229 int ret = cxBufferShift(&buf, +0);
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230 EXPECT_EQ(ret, 0);
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231 EXPECT_EQ(buf.pos, 4);
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232 EXPECT_EQ(buf.size, 4);
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233 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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234 }
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235
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236 TEST_F(BufferShiftRight, Standard) {
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237 ASSERT_EQ(buf.pos, 4);
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238 ASSERT_EQ(buf.size, 4);
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239 int ret = cxBufferShiftRight(&buf, 3);
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240 EXPECT_EQ(ret, 0);
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241 EXPECT_EQ(buf.pos, 7);
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242 EXPECT_EQ(buf.size, 7);
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243 EXPECT_TRUE(memcmp(buf.space, "testest_____", 8) == 0);
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244 }
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245
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246 TEST_F(BufferShiftRight, OvershiftDiscard) {
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247 ASSERT_EQ(buf.pos, 4);
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248 ASSERT_EQ(buf.size, 4);
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249 ASSERT_EQ(buf.capacity, 8);
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250 int ret = cxBufferShiftRight(&buf, 6);
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251 EXPECT_EQ(ret, 0);
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252 EXPECT_EQ(buf.pos, 8);
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253 EXPECT_EQ(buf.size, 8);
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254 EXPECT_EQ(buf.capacity, 8);
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255 EXPECT_TRUE(memcmp(buf.space, "test__te____", 8) == 0);
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256 }
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257
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258 TEST_F(BufferShiftRight, OvershiftExtend) {
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259 ASSERT_EQ(buf.pos, 4);
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260 ASSERT_EQ(buf.size, 4);
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261 ASSERT_EQ(buf.capacity, 8);
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262 buf.flags |= CX_BUFFER_AUTO_EXTEND;
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263 int ret = cxBufferShiftRight(&buf, 6);
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264 EXPECT_EQ(ret, 0);
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265 EXPECT_EQ(buf.pos, 10);
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266 EXPECT_EQ(buf.size, 10);
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267 EXPECT_GE(buf.capacity, 10);
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268 EXPECT_TRUE(memcmp(buf.space, "test__test__", 8) == 0);
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269 }
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270
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271 TEST_F(BufferShiftRight, OffsetInterface) {
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272 buf.pos = 3;
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273 ASSERT_EQ(buf.size, 4);
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274 int ret = cxBufferShift(&buf, 2);
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275 EXPECT_EQ(ret, 0);
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276 EXPECT_EQ(buf.pos, 5);
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277 EXPECT_EQ(buf.size, 6);
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278 EXPECT_TRUE(memcmp(buf.space, "tetest______", 8) == 0);
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279 }
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280
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281 TEST(BufferMinimumCapacity, Sufficient) {
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282 CxTestingAllocator alloc;
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283 auto space = cxMalloc(&alloc, 8);
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284 CxBuffer buf;
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285 cxBufferInit(&buf, space, 8, &alloc, CX_BUFFER_FREE_CONTENTS);
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286 memcpy(space, "Testing", 8);
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287 buf.size = 8;
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288 cxBufferMinimumCapacity(&buf, 6);
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289 EXPECT_EQ(buf.capacity, 8);
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290 EXPECT_EQ(buf.size, 8);
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291 EXPECT_TRUE(memcmp(buf.space, "Testing", 8) == 0);
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292 cxBufferDestroy(&buf);
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293 EXPECT_TRUE(alloc.verify());
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294 }
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295
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296 TEST(BufferMinimumCapacity, Extend) {
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297 CxTestingAllocator alloc;
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298 auto space = cxMalloc(&alloc, 8);
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299 CxBuffer buf;
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300 cxBufferInit(&buf, space, 8, &alloc, CX_BUFFER_FREE_CONTENTS); // NO auto extend!
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301 memcpy(space, "Testing", 8);
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302 buf.size = 8;
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303 cxBufferMinimumCapacity(&buf, 16);
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304 EXPECT_EQ(buf.capacity, 16);
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305 EXPECT_EQ(buf.size, 8);
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306 EXPECT_TRUE(memcmp(buf.space, "Testing", 8) == 0);
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307 cxBufferDestroy(&buf);
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308 EXPECT_TRUE(alloc.verify());
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309 }
536
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310
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311 TEST(BufferClear, Test) {
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312 char space[16];
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313 strcpy(space, "clear test");
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314 CxBuffer buf;
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315 cxBufferInit(&buf, space, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
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316 ASSERT_EQ(buf.size, 0);
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317 // only clear the used part of the buffer
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318 cxBufferClear(&buf);
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319 EXPECT_EQ(memcmp(space, "clear test", 10), 0);
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320 buf.size = 5;
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321 buf.pos = 3;
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322 cxBufferClear(&buf);
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323 EXPECT_EQ(memcmp(space, "\0\0\0\0\0 test", 10), 0);
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324 EXPECT_EQ(buf.size, 0);
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325 EXPECT_EQ(buf.pos, 0);
538
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326 cxBufferDestroy(&buf);
536
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327 }
538
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328
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329 class BufferWrite : public ::testing::Test {
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330 protected:
545
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331 CxBuffer buf{}, target{};
538
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332
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333 void SetUp() override {
545
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334 cxBufferInit(&target, nullptr, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
538
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335 cxBufferInit(&buf, nullptr, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
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336 buf.capacity = 8; // artificially reduce capacity to check OOB writes
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337 memset(buf.space, 0, 16);
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338 memcpy(buf.space, "prep", 4);
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339 buf.size = buf.pos = 4;
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340 }
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341
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342 void TearDown() override {
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343 cxBufferDestroy(&buf);
545
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344 cxBufferDestroy(&target);
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345 }
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346
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347 void enableFlushing() {
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348 buf.flush_target = &target;
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349 buf.flush_func = reinterpret_cast<cx_write_func>(cxBufferWrite);
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350 buf.flush_blkmax = 1;
538
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351 }
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352 };
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353
567
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354 static size_t mock_write_limited_rate(
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355 void const *ptr,
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356 size_t size,
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357 __attribute__((unused)) size_t nitems,
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358 CxBuffer *buffer
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359 ) {
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360 // simulate limited target drain capacity
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361 static bool full = false;
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362 if (full) {
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363 full = false;
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364 return 0;
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365 } else {
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366 full = true;
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367 return cxBufferWrite(ptr, size, nitems > 2 ? 2 : nitems, buffer);
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368 }
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369 }
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370
538
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371 TEST_F(BufferWrite, SizeOneFit) {
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372 const char *data = "test";
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373 ASSERT_EQ(buf.capacity, 8);
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374 ASSERT_EQ(buf.pos, 4);
541
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375 ASSERT_EQ(buf.size, 4);
538
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376 size_t written = cxBufferWrite(data, 1, 4, &buf);
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377 EXPECT_EQ(written, 4);
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378 EXPECT_EQ(buf.size, 8);
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379 EXPECT_EQ(buf.pos, 8);
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380 EXPECT_EQ(buf.capacity, 8);
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381 EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0);
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382 }
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383
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384 TEST_F(BufferWrite, SizeOneDiscard) {
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385 const char *data = "testing";
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diff changeset
386 ASSERT_EQ(buf.capacity, 8);
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diff changeset
387 ASSERT_EQ(buf.pos, 4);
541
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388 ASSERT_EQ(buf.size, 4);
538
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diff changeset
389 size_t written = cxBufferWrite(data, 1, 7, &buf);
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diff changeset
390 EXPECT_EQ(written, 4);
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diff changeset
391 EXPECT_EQ(buf.size, 8);
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diff changeset
392 EXPECT_EQ(buf.pos, 8);
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393 EXPECT_EQ(buf.capacity, 8);
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diff changeset
394 EXPECT_EQ(memcmp(buf.space, "preptest\0", 9), 0);
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diff changeset
395 }
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diff changeset
396
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diff changeset
397 TEST_F(BufferWrite, SizeOneExtend) {
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diff changeset
398 buf.flags |= CX_BUFFER_AUTO_EXTEND;
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diff changeset
399 const char *data = "testing";
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diff changeset
400 ASSERT_EQ(buf.capacity, 8);
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diff changeset
401 ASSERT_EQ(buf.pos, 4);
541
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diff changeset
402 ASSERT_EQ(buf.size, 4);
538
2cfbcbe86a7c #170 first basic write tests
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diff changeset
403 size_t written = cxBufferWrite(data, 1, 7, &buf);
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diff changeset
404 EXPECT_EQ(written, 7);
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diff changeset
405 EXPECT_EQ(buf.size, 11);
2cfbcbe86a7c #170 first basic write tests
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diff changeset
406 EXPECT_EQ(buf.pos, 11);
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diff changeset
407 EXPECT_GE(buf.capacity, 11);
2cfbcbe86a7c #170 first basic write tests
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diff changeset
408 EXPECT_EQ(memcmp(buf.space, "preptesting", 11), 0);
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diff changeset
409 }
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diff changeset
410
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diff changeset
411 TEST_F(BufferWrite, MultibyteFit) {
541
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diff changeset
412 const char *data = "test";
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diff changeset
413 ASSERT_EQ(buf.capacity, 8);
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diff changeset
414 ASSERT_EQ(buf.pos, 4);
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diff changeset
415 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
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diff changeset
416 size_t written = cxBufferWrite(data, 2, 2, &buf);
67e078518935 #170 complete write tests for status quo
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diff changeset
417 EXPECT_EQ(written, 2);
67e078518935 #170 complete write tests for status quo
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diff changeset
418 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
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diff changeset
419 EXPECT_EQ(buf.pos, 8);
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diff changeset
420 EXPECT_EQ(buf.capacity, 8);
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diff changeset
421 EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0);
538
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diff changeset
422 }
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diff changeset
423
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diff changeset
424 TEST_F(BufferWrite, MultibyteDiscard) {
542
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diff changeset
425 const char *data = "testing";
541
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diff changeset
426 ASSERT_EQ(buf.capacity, 8);
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diff changeset
427 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
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diff changeset
428 buf.pos = 3;
542
45bcfd152f85 #170 no bug never existed
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diff changeset
429 size_t written = cxBufferWrite(data, 2, 4, &buf);
538
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diff changeset
430 // remember: whole elements are discarded if they do not fit
541
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diff changeset
431 EXPECT_EQ(written, 2);
67e078518935 #170 complete write tests for status quo
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diff changeset
432 EXPECT_EQ(buf.size, 7);
67e078518935 #170 complete write tests for status quo
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diff changeset
433 EXPECT_EQ(buf.pos, 7);
67e078518935 #170 complete write tests for status quo
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diff changeset
434 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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diff changeset
435 EXPECT_EQ(memcmp(buf.space, "pretest\0", 8), 0);
538
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diff changeset
436 }
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diff changeset
437
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diff changeset
438 TEST_F(BufferWrite, MultibyteExtend) {
541
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diff changeset
439 buf.flags |= CX_BUFFER_AUTO_EXTEND;
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diff changeset
440 const char *data = "tester";
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diff changeset
441 ASSERT_EQ(buf.capacity, 8);
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diff changeset
442 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
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diff changeset
443 buf.pos = 3;
67e078518935 #170 complete write tests for status quo
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diff changeset
444 size_t written = cxBufferWrite(data, 2, 3, &buf);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
445 // remember: whole elements are discarded if they do not fit
67e078518935 #170 complete write tests for status quo
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diff changeset
446 EXPECT_EQ(written, 3);
67e078518935 #170 complete write tests for status quo
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diff changeset
447 EXPECT_EQ(buf.size, 9);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
448 EXPECT_EQ(buf.pos, 9);
67e078518935 #170 complete write tests for status quo
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diff changeset
449 EXPECT_GE(buf.capacity, 9);
566
d3100c987a39 fix two tests reading one byte too much
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diff changeset
450 EXPECT_EQ(memcmp(buf.space, "pretester", 9), 0);
538
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diff changeset
451 }
2cfbcbe86a7c #170 first basic write tests
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diff changeset
452
2cfbcbe86a7c #170 first basic write tests
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parents: 536
diff changeset
453 TEST_F(BufferWrite, PutcWrapperFit) {
541
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parents: 539
diff changeset
454 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
455 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
456 ASSERT_EQ(buf.size, 4);
565
d756746ea94f fix putc tests to make more sense of the bitwise or
Mike Becker <universe@uap-core.de>
parents: 548
diff changeset
457 int c = cxBufferPut(&buf, 0x200 | 'a');
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
458 EXPECT_EQ(c, 'a');
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
459 EXPECT_EQ(buf.size, 5);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
460 EXPECT_EQ(buf.pos, 5);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
461 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
462 EXPECT_EQ(memcmp(buf.space, "prepa\0", 6), 0);
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
463 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
464
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
465 TEST_F(BufferWrite, PutcWrapperDiscard) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
466 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
467 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
468 buf.pos = 8;
565
d756746ea94f fix putc tests to make more sense of the bitwise or
Mike Becker <universe@uap-core.de>
parents: 548
diff changeset
469 int c = cxBufferPut(&buf, 0x200 | 'a');
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
470 EXPECT_EQ(c, EOF);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
471 EXPECT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
472 EXPECT_EQ(buf.pos, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
473 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
474 EXPECT_EQ(memcmp(buf.space, "prep\0\0\0\0\0", 9), 0);
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
475 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
476
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
477 TEST_F(BufferWrite, PutcWrapperExtend) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
478 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
479 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
480 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
481 buf.pos = 8;
565
d756746ea94f fix putc tests to make more sense of the bitwise or
Mike Becker <universe@uap-core.de>
parents: 548
diff changeset
482 int c = cxBufferPut(&buf, 0x200 | 'a');
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
483 EXPECT_EQ(c, 'a');
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
484 EXPECT_EQ(buf.size, 9);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
485 EXPECT_EQ(buf.pos, 9);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
486 EXPECT_GE(buf.capacity, 9);
566
d3100c987a39 fix two tests reading one byte too much
Mike Becker <universe@uap-core.de>
parents: 565
diff changeset
487 EXPECT_EQ(memcmp(buf.space, "prep\0\0\0\0a", 9), 0);
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
488 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
489
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
490 TEST_F(BufferWrite, PutStringWrapperFit) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
491 const char *data = "test";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
492 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
493 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
494 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
495 size_t written = cxBufferPutString(&buf, data);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
496 EXPECT_EQ(written, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
497 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
498 EXPECT_EQ(buf.pos, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
499 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
500 EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0);
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
501 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
502
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
503 TEST_F(BufferWrite, PutStringWrapperDiscard) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
504 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
505 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
506 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
507 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
508 size_t written = cxBufferPutString(&buf, data);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
509 EXPECT_EQ(written, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
510 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
511 EXPECT_EQ(buf.pos, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
512 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
513 EXPECT_EQ(memcmp(buf.space, "preptest\0", 9), 0);
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
514 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
515
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
516 TEST_F(BufferWrite, PutStringWrapperExtend) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
517 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
518 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
519 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
520 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
521 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
522 size_t written = cxBufferPutString(&buf, data);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
523 EXPECT_EQ(written, 7);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
524 EXPECT_EQ(buf.size, 11);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
525 EXPECT_EQ(buf.pos, 11);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
526 EXPECT_GE(buf.capacity, 11);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
527 EXPECT_EQ(memcmp(buf.space, "preptesting", 11), 0);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
528 }
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
529
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
530 TEST_F(BufferWrite, MultOverflow) {
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
531 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
532 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
533 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
534 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
535 size_t written = cxBufferWrite(data, 8, SIZE_MAX / 4, &buf);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
536 EXPECT_EQ(written, 0);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
537 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
538 EXPECT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
539 EXPECT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
540 EXPECT_EQ(memcmp(buf.space, "prep\0", 5), 0);
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
541 }
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
542
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
543 TEST_F(BufferWrite, MaxCapaOverflow) {
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
544 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
545 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
546 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
547 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
548 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
549 size_t written = cxBufferWrite(data, 1, SIZE_MAX - 2, &buf);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
550 EXPECT_EQ(written, 0);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
551 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
552 EXPECT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
553 EXPECT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
554 EXPECT_EQ(memcmp(buf.space, "prep\0", 5), 0);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
555 }
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
556
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
557 TEST_F(BufferWrite, OnlyOverwrite) {
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
558 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
559 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
560 memcpy(buf.space, "preptest", 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
561 buf.pos = 3;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
562 buf.size = 8;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
563 size_t written = cxBufferWrite("XXX", 2, 2, &buf);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
564 EXPECT_EQ(written, 2);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
565 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
566 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
567 EXPECT_EQ(buf.pos, 7);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
568 EXPECT_EQ(memcmp(buf.space, "preXXX\0t", 8), 0);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
569 }
545
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
570
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
571 TEST_F(BufferWrite, FlushAtCapacity) {
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
572 enableFlushing();
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
573 ASSERT_EQ(buf.capacity, 8);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
574 ASSERT_EQ(buf.pos, 4);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
575 size_t written = cxBufferWrite("foo", 1, 3, &buf);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
576 EXPECT_EQ(written, 3);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
577 ASSERT_EQ(buf.pos, 7);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
578 ASSERT_EQ(buf.size, 7);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
579 ASSERT_EQ(target.pos, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
580 ASSERT_EQ(target.size, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
581 written = cxBufferWrite("hello", 1, 5, &buf);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
582 EXPECT_EQ(written, 5);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
583 EXPECT_EQ(buf.pos, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
584 EXPECT_EQ(buf.size, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
585 EXPECT_EQ(buf.capacity, 8);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
586 EXPECT_EQ(target.pos, 12);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
587 ASSERT_EQ(target.size, 12);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
588 EXPECT_EQ(memcmp(target.space, "prepfoohello", 12), 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
589 }
546
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
590
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
591 TEST_F(BufferWrite, FlushAtThreshold) {
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
592 enableFlushing();
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
593 buf.flush_threshold = 12;
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
594 buf.flags |= CX_BUFFER_AUTO_EXTEND;
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
595 ASSERT_EQ(buf.capacity, 8);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
596 ASSERT_EQ(buf.pos, 4);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
597 size_t written = cxBufferWrite("foobar", 1, 6, &buf);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
598 EXPECT_EQ(written, 6);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
599 ASSERT_EQ(buf.pos, 10);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
600 ASSERT_EQ(buf.size, 10);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
601 ASSERT_GE(buf.capacity, 10);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
602 ASSERT_LE(buf.capacity, 12);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
603 ASSERT_EQ(target.pos, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
604 ASSERT_EQ(target.size, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
605 written = cxBufferWrite("hello", 1, 5, &buf);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
606 EXPECT_EQ(written, 5);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
607 EXPECT_EQ(buf.pos, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
608 EXPECT_EQ(buf.size, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
609 EXPECT_LE(buf.capacity, 12);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
610 EXPECT_EQ(target.pos, 15);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
611 ASSERT_EQ(target.size, 15);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
612 EXPECT_EQ(memcmp(target.space, "prepfoobarhello", 15), 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
613 }
547
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
614
567
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
615 TEST_F(BufferWrite, FlushRateLimited) {
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
616 enableFlushing();
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
617 // limit the rate of the flush function and the capacity of the target
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
618 target.capacity = 16;
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
619 target.flags &= ~CX_BUFFER_AUTO_EXTEND;
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
620 buf.flush_func = (cx_write_func) mock_write_limited_rate;
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
621 ASSERT_EQ(buf.capacity, 8);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
622 ASSERT_EQ(buf.pos, 4);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
623 size_t written = cxBufferWrite("foo", 1, 3, &buf);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
624 EXPECT_EQ(written, 3);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
625 ASSERT_EQ(buf.pos, 7);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
626 ASSERT_EQ(buf.size, 7);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
627 ASSERT_EQ(target.pos, 0);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
628 ASSERT_EQ(target.size, 0);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
629 written = cxBufferWrite("hello, world!", 1, 13, &buf);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
630 // " world!" fits into this buffer, the remaining stuff is flushed out
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
631 EXPECT_EQ(written, 13);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
632 EXPECT_EQ(buf.pos, 7);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
633 EXPECT_EQ(buf.size, 7);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
634 EXPECT_EQ(buf.capacity, 8);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
635 EXPECT_EQ(memcmp(buf.space, " world!", 7), 0);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
636 EXPECT_EQ(target.pos, 13);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
637 ASSERT_EQ(target.size, 13);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
638 EXPECT_EQ(target.capacity, 16);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
639 EXPECT_EQ(memcmp(target.space, "prepfoohello,", 13), 0);
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
640 }
f90a7cfe2480 #184 #170 more thorough flush testing
Mike Becker <universe@uap-core.de>
parents: 566
diff changeset
641
548
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
642 class BufferSeek : public BufferFixture {
547
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
643 };
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
644
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
645 TEST_F(BufferSeek, SetZero) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
646 int result = cxBufferSeek(&buf, 0, SEEK_SET);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
647 EXPECT_EQ(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
648 EXPECT_EQ(buf.pos, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
649 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
650
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
651 TEST_F(BufferSeek, SetValid) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
652 int result = cxBufferSeek(&buf, 5, SEEK_SET);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
653 EXPECT_EQ(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
654 EXPECT_EQ(buf.pos, 5);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
655 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
656
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
657 TEST_F(BufferSeek, SetInvalid) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
658 ASSERT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
659 int result = cxBufferSeek(&buf, 6, SEEK_SET);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
660 EXPECT_NE(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
661 EXPECT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
662 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
663
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
664 TEST_F(BufferSeek, CurZero) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
665 ASSERT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
666 int result = cxBufferSeek(&buf, 0, SEEK_CUR);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
667 EXPECT_EQ(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
668 EXPECT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
669 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
670
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
671 TEST_F(BufferSeek, CurValidPositive) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
672 ASSERT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
673 int result = cxBufferSeek(&buf, 2, SEEK_CUR);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
674 EXPECT_EQ(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
675 EXPECT_EQ(buf.pos, 5);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
676 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
677
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
678 TEST_F(BufferSeek, CurValidNegative) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
679 ASSERT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
680 int result = cxBufferSeek(&buf, -3, SEEK_CUR);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
681 EXPECT_EQ(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
682 EXPECT_EQ(buf.pos, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
683 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
684
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
685 TEST_F(BufferSeek, CurInvalidPositive) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
686 ASSERT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
687 int result = cxBufferSeek(&buf, 3, SEEK_CUR);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
688 EXPECT_NE(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
689 EXPECT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
690 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
691
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
692 TEST_F(BufferSeek, CurInvalidNegative) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
693 ASSERT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
694 int result = cxBufferSeek(&buf, -4, SEEK_CUR);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
695 EXPECT_NE(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
696 EXPECT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
697 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
698
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
699 TEST_F(BufferSeek, EndZero) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
700 ASSERT_EQ(buf.size, 6);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
701 int result = cxBufferSeek(&buf, 0, SEEK_END);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
702 // the (past-the-)end position is always invalid
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
703 EXPECT_NE(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
704 EXPECT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
705 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
706
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
707 TEST_F(BufferSeek, EndValid) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
708 ASSERT_EQ(buf.size, 6);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
709 int result = cxBufferSeek(&buf, -6, SEEK_END);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
710 EXPECT_EQ(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
711 EXPECT_EQ(buf.pos, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
712 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
713
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
714 TEST_F(BufferSeek, EndInvalid) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
715 ASSERT_EQ(buf.size, 6);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
716 int result = cxBufferSeek(&buf, 1, SEEK_END);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
717 EXPECT_NE(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
718 EXPECT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
719 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
720
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
721 TEST_F(BufferSeek, WhenceInvalid) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
722 ASSERT_EQ(buf.size, 6);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
723 ASSERT_EQ(buf.pos, 3);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
724 int result = cxBufferSeek(&buf, 2, 9000);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
725 EXPECT_NE(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
726 EXPECT_EQ(buf.size, 6);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
727 EXPECT_EQ(buf.pos, 3);
548
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
728 }
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
729
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
730 class BufferEof : public BufferFixture {
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
731 };
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
732
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
733 TEST_F(BufferEof, Reached) {
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
734 buf.pos = buf.size;
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
735 EXPECT_TRUE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
736 buf.pos = buf.size - 1;
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
737 ASSERT_FALSE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
738 cxBufferPut(&buf, 'a');
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
739 EXPECT_TRUE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
740 }
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
741
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
742 TEST_F(BufferEof, NotReached) {
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
743 buf.pos = buf.size - 1;
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
744 EXPECT_FALSE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
745 buf.pos = 0;
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
746 cxBufferWrite("test", 1, 5, &buf);
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
747 EXPECT_FALSE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
748 }
568
8eda32d09e3d #170 test cxBufferGet
Mike Becker <universe@uap-core.de>
parents: 567
diff changeset
749
8eda32d09e3d #170 test cxBufferGet
Mike Becker <universe@uap-core.de>
parents: 567
diff changeset
750 class BufferRead : public ::testing::Test {
8eda32d09e3d #170 test cxBufferGet
Mike Becker <universe@uap-core.de>
parents: 567
diff changeset
751 protected:
8eda32d09e3d #170 test cxBufferGet
Mike Becker <universe@uap-core.de>
parents: 567
diff changeset
752 CxBuffer buf{};
8eda32d09e3d #170 test cxBufferGet
Mike Becker <universe@uap-core.de>
parents: 567
diff changeset
753
8eda32d09e3d #170 test cxBufferGet
Mike Becker <universe@uap-core.de>
parents: 567
diff changeset
754 void SetUp() override {
8eda32d09e3d #170 test cxBufferGet
Mike Becker <universe@uap-core.de>
parents: 567
diff changeset
755 cxBufferInit(&buf, nullptr, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
8eda32d09e3d #170 test cxBufferGet
Mike Becker <universe@uap-core.de>
parents: 567
diff changeset
756 buf.capacity = 8; // artificially reduce capacity to check OOB writes
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757 memset(buf.space, 0, 16);
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758 memcpy(buf.space, "some data", 9);
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759 buf.size = 9;
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760 }
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761
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762 void TearDown() override {
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763 cxBufferDestroy(&buf);
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764 }
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765 };
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766
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767 TEST_F(BufferRead, GetByte) {
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768 buf.pos = 2;
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769 EXPECT_EQ(cxBufferGet(&buf), 'm');
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770 EXPECT_EQ(cxBufferGet(&buf), 'e');
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771 EXPECT_EQ(cxBufferGet(&buf), ' ');
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772 EXPECT_EQ(cxBufferGet(&buf), 'd');
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773 EXPECT_EQ(buf.pos, 6);
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774 }
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775
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776 TEST_F(BufferRead, GetEof) {
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777 buf.pos = buf.size;
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778 EXPECT_EQ(cxBufferGet(&buf), EOF);
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779 }
569
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780
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diff changeset
781 TEST_F(BufferRead, ReadWithinBounds) {
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782 buf.pos = 2;
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783 char target[4];
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784 auto read = cxBufferRead(&target, 1, 4, &buf);
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785 ASSERT_EQ(read, 4);
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786 EXPECT_EQ(memcmp(&target, "me d", 4), 0);
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787 EXPECT_EQ(buf.pos, 6);
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788 }
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789
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790 TEST_F(BufferRead, ReadOutOfBounds) {
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791 buf.pos = 6;
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792 char target[4];
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793 auto read = cxBufferRead(&target, 1, 4, &buf);
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794 ASSERT_EQ(read, 3);
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795 EXPECT_EQ(memcmp(&target, "ata", 3), 0);
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796 EXPECT_EQ(buf.pos, 9);
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797 }
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diff changeset
798
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diff changeset
799 TEST_F(BufferRead, ReadOutOfBoundsMultibyte) {
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800 buf.pos = 6;
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801 char target[4];
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802 target[2] = '\0';
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803 auto read = cxBufferRead(&target, 2, 2, &buf);
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804 ASSERT_EQ(read, 1);
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805 EXPECT_EQ(memcmp(&target, "at\0", 3), 0);
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806 EXPECT_EQ(buf.pos, 8);
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diff changeset
807 }
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diff changeset
808
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diff changeset
809 TEST_F(BufferRead, ReadEof) {
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810 buf.pos = 9;
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811 char target[4];
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diff changeset
812 auto read = cxBufferRead(&target, 1, 1, &buf);
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diff changeset
813 ASSERT_EQ(read, 0);
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diff changeset
814 EXPECT_EQ(buf.pos, 9);
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diff changeset
815 }

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