test/test_buffer.cpp

Wed, 18 May 2022 16:26:32 +0200

author
Mike Becker <universe@uap-core.de>
date
Wed, 18 May 2022 16:26:32 +0200
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parent 548
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child 565
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#189 declare basic map functions

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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 }
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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
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354 TEST_F(BufferWrite, SizeOneFit) {
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diff changeset
355 const char *data = "test";
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356 ASSERT_EQ(buf.capacity, 8);
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357 ASSERT_EQ(buf.pos, 4);
541
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358 ASSERT_EQ(buf.size, 4);
538
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diff changeset
359 size_t written = cxBufferWrite(data, 1, 4, &buf);
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diff changeset
360 EXPECT_EQ(written, 4);
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diff changeset
361 EXPECT_EQ(buf.size, 8);
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diff changeset
362 EXPECT_EQ(buf.pos, 8);
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diff changeset
363 EXPECT_EQ(buf.capacity, 8);
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364 EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0);
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diff changeset
365 }
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diff changeset
366
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367 TEST_F(BufferWrite, SizeOneDiscard) {
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diff changeset
368 const char *data = "testing";
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diff changeset
369 ASSERT_EQ(buf.capacity, 8);
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370 ASSERT_EQ(buf.pos, 4);
541
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diff changeset
371 ASSERT_EQ(buf.size, 4);
538
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diff changeset
372 size_t written = cxBufferWrite(data, 1, 7, &buf);
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diff changeset
373 EXPECT_EQ(written, 4);
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374 EXPECT_EQ(buf.size, 8);
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diff changeset
375 EXPECT_EQ(buf.pos, 8);
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376 EXPECT_EQ(buf.capacity, 8);
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diff changeset
377 EXPECT_EQ(memcmp(buf.space, "preptest\0", 9), 0);
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diff changeset
378 }
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diff changeset
379
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diff changeset
380 TEST_F(BufferWrite, SizeOneExtend) {
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diff changeset
381 buf.flags |= CX_BUFFER_AUTO_EXTEND;
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diff changeset
382 const char *data = "testing";
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383 ASSERT_EQ(buf.capacity, 8);
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diff changeset
384 ASSERT_EQ(buf.pos, 4);
541
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diff changeset
385 ASSERT_EQ(buf.size, 4);
538
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diff changeset
386 size_t written = cxBufferWrite(data, 1, 7, &buf);
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diff changeset
387 EXPECT_EQ(written, 7);
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diff changeset
388 EXPECT_EQ(buf.size, 11);
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diff changeset
389 EXPECT_EQ(buf.pos, 11);
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diff changeset
390 EXPECT_GE(buf.capacity, 11);
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diff changeset
391 EXPECT_EQ(memcmp(buf.space, "preptesting", 11), 0);
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diff changeset
392 }
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diff changeset
393
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diff changeset
394 TEST_F(BufferWrite, MultibyteFit) {
541
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diff changeset
395 const char *data = "test";
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diff changeset
396 ASSERT_EQ(buf.capacity, 8);
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diff changeset
397 ASSERT_EQ(buf.pos, 4);
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diff changeset
398 ASSERT_EQ(buf.size, 4);
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diff changeset
399 size_t written = cxBufferWrite(data, 2, 2, &buf);
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diff changeset
400 EXPECT_EQ(written, 2);
67e078518935 #170 complete write tests for status quo
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diff changeset
401 EXPECT_EQ(buf.size, 8);
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diff changeset
402 EXPECT_EQ(buf.pos, 8);
67e078518935 #170 complete write tests for status quo
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diff changeset
403 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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diff changeset
404 EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0);
538
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diff changeset
405 }
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diff changeset
406
2cfbcbe86a7c #170 first basic write tests
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diff changeset
407 TEST_F(BufferWrite, MultibyteDiscard) {
542
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diff changeset
408 const char *data = "testing";
541
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diff changeset
409 ASSERT_EQ(buf.capacity, 8);
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diff changeset
410 ASSERT_EQ(buf.size, 4);
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diff changeset
411 buf.pos = 3;
542
45bcfd152f85 #170 no bug never existed
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diff changeset
412 size_t written = cxBufferWrite(data, 2, 4, &buf);
538
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diff changeset
413 // remember: whole elements are discarded if they do not fit
541
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diff changeset
414 EXPECT_EQ(written, 2);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
415 EXPECT_EQ(buf.size, 7);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
416 EXPECT_EQ(buf.pos, 7);
67e078518935 #170 complete write tests for status quo
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diff changeset
417 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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diff changeset
418 EXPECT_EQ(memcmp(buf.space, "pretest\0", 8), 0);
538
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diff changeset
419 }
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diff changeset
420
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diff changeset
421 TEST_F(BufferWrite, MultibyteExtend) {
541
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diff changeset
422 buf.flags |= CX_BUFFER_AUTO_EXTEND;
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diff changeset
423 const char *data = "tester";
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diff changeset
424 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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diff changeset
425 ASSERT_EQ(buf.size, 4);
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diff changeset
426 buf.pos = 3;
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diff changeset
427 size_t written = cxBufferWrite(data, 2, 3, &buf);
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parents: 539
diff changeset
428 // remember: whole elements are discarded if they do not fit
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diff changeset
429 EXPECT_EQ(written, 3);
67e078518935 #170 complete write tests for status quo
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diff changeset
430 EXPECT_EQ(buf.size, 9);
67e078518935 #170 complete write tests for status quo
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diff changeset
431 EXPECT_EQ(buf.pos, 9);
67e078518935 #170 complete write tests for status quo
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diff changeset
432 EXPECT_GE(buf.capacity, 9);
67e078518935 #170 complete write tests for status quo
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diff changeset
433 EXPECT_EQ(memcmp(buf.space, "pretester\0", 10), 0);
538
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diff changeset
434 }
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diff changeset
435
2cfbcbe86a7c #170 first basic write tests
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parents: 536
diff changeset
436 TEST_F(BufferWrite, PutcWrapperFit) {
541
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
437 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
438 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
439 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
440 int c = cxBufferPut(&buf, 0x20 | 'a');
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
441 EXPECT_EQ(c, 'a');
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
442 EXPECT_EQ(buf.size, 5);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
443 EXPECT_EQ(buf.pos, 5);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
444 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
445 EXPECT_EQ(memcmp(buf.space, "prepa\0", 6), 0);
538
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diff changeset
446 }
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parents: 536
diff changeset
447
2cfbcbe86a7c #170 first basic write tests
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parents: 536
diff changeset
448 TEST_F(BufferWrite, PutcWrapperDiscard) {
541
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parents: 539
diff changeset
449 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
450 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
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diff changeset
451 buf.pos = 8;
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diff changeset
452 int c = cxBufferPut(&buf, 0x20 | 'a');
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
453 EXPECT_EQ(c, EOF);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
454 EXPECT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
455 EXPECT_EQ(buf.pos, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
456 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
457 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
458 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
459
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
460 TEST_F(BufferWrite, PutcWrapperExtend) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
461 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
462 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
463 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
464 buf.pos = 8;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
465 int c = cxBufferPut(&buf, 0x20 | 'a');
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
466 EXPECT_EQ(c, 'a');
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
467 EXPECT_EQ(buf.size, 9);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
468 EXPECT_EQ(buf.pos, 9);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
469 EXPECT_GE(buf.capacity, 9);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
470 EXPECT_EQ(memcmp(buf.space, "prep\0\0\0\0a\0", 10), 0);
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
471 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
472
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
473 TEST_F(BufferWrite, PutStringWrapperFit) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
474 const char *data = "test";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
475 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
476 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
477 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
478 size_t written = cxBufferPutString(&buf, data);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
479 EXPECT_EQ(written, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
480 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
481 EXPECT_EQ(buf.pos, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
482 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
483 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
484 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
485
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
486 TEST_F(BufferWrite, PutStringWrapperDiscard) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
487 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
488 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
489 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
490 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
491 size_t written = cxBufferPutString(&buf, data);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
492 EXPECT_EQ(written, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
493 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
494 EXPECT_EQ(buf.pos, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
495 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
496 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
497 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
498
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
499 TEST_F(BufferWrite, PutStringWrapperExtend) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
500 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
501 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
502 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
503 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
504 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
505 size_t written = cxBufferPutString(&buf, data);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
506 EXPECT_EQ(written, 7);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
507 EXPECT_EQ(buf.size, 11);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
508 EXPECT_EQ(buf.pos, 11);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
509 EXPECT_GE(buf.capacity, 11);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
510 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
511 }
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
512
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
513 TEST_F(BufferWrite, MultOverflow) {
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
514 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
515 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
516 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
517 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
518 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
519 EXPECT_EQ(written, 0);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
520 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
521 EXPECT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
522 EXPECT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
523 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
524 }
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
525
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
526 TEST_F(BufferWrite, MaxCapaOverflow) {
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
527 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
528 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
529 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
530 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
531 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
532 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
533 EXPECT_EQ(written, 0);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
534 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
535 EXPECT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
536 EXPECT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
537 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
538 }
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
539
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
540 TEST_F(BufferWrite, OnlyOverwrite) {
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
541 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
542 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
543 memcpy(buf.space, "preptest", 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
544 buf.pos = 3;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
545 buf.size = 8;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
546 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
547 EXPECT_EQ(written, 2);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
548 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
549 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
550 EXPECT_EQ(buf.pos, 7);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
551 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
552 }
545
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
553
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
554 TEST_F(BufferWrite, FlushAtCapacity) {
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
555 enableFlushing();
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
556 ASSERT_EQ(buf.capacity, 8);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
557 ASSERT_EQ(buf.pos, 4);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
558 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
559 EXPECT_EQ(written, 3);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
560 ASSERT_EQ(buf.pos, 7);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
561 ASSERT_EQ(buf.size, 7);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
562 ASSERT_EQ(target.pos, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
563 ASSERT_EQ(target.size, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
564 written = cxBufferWrite("hello", 1, 5, &buf);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
565 EXPECT_EQ(written, 5);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
566 EXPECT_EQ(buf.pos, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
567 EXPECT_EQ(buf.size, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
568 EXPECT_EQ(buf.capacity, 8);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
569 EXPECT_EQ(target.pos, 12);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
570 ASSERT_EQ(target.size, 12);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
571 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
572 }
546
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
573
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
574 TEST_F(BufferWrite, FlushAtThreshold) {
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
575 enableFlushing();
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
576 buf.flush_threshold = 12;
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
577 buf.flags |= CX_BUFFER_AUTO_EXTEND;
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
578 ASSERT_EQ(buf.capacity, 8);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
579 ASSERT_EQ(buf.pos, 4);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
580 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
581 EXPECT_EQ(written, 6);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
582 ASSERT_EQ(buf.pos, 10);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
583 ASSERT_EQ(buf.size, 10);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
584 ASSERT_GE(buf.capacity, 10);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
585 ASSERT_LE(buf.capacity, 12);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
586 ASSERT_EQ(target.pos, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
587 ASSERT_EQ(target.size, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
588 written = cxBufferWrite("hello", 1, 5, &buf);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
589 EXPECT_EQ(written, 5);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
590 EXPECT_EQ(buf.pos, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
591 EXPECT_EQ(buf.size, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
592 EXPECT_LE(buf.capacity, 12);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
593 EXPECT_EQ(target.pos, 15);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
594 ASSERT_EQ(target.size, 15);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
595 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
596 }
547
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
597
548
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
598 class BufferSeek : public BufferFixture {
547
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
599 };
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
600
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
601 TEST_F(BufferSeek, SetZero) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
602 int result = cxBufferSeek(&buf, 0, SEEK_SET);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
603 EXPECT_EQ(result, 0);
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parents: 546
diff changeset
604 EXPECT_EQ(buf.pos, 0);
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parents: 546
diff changeset
605 }
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parents: 546
diff changeset
606
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parents: 546
diff changeset
607 TEST_F(BufferSeek, SetValid) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
608 int result = cxBufferSeek(&buf, 5, SEEK_SET);
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parents: 546
diff changeset
609 EXPECT_EQ(result, 0);
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parents: 546
diff changeset
610 EXPECT_EQ(buf.pos, 5);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
611 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
612
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
613 TEST_F(BufferSeek, SetInvalid) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
614 ASSERT_EQ(buf.pos, 3);
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parents: 546
diff changeset
615 int result = cxBufferSeek(&buf, 6, SEEK_SET);
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parents: 546
diff changeset
616 EXPECT_NE(result, 0);
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parents: 546
diff changeset
617 EXPECT_EQ(buf.pos, 3);
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parents: 546
diff changeset
618 }
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parents: 546
diff changeset
619
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parents: 546
diff changeset
620 TEST_F(BufferSeek, CurZero) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
621 ASSERT_EQ(buf.pos, 3);
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parents: 546
diff changeset
622 int result = cxBufferSeek(&buf, 0, SEEK_CUR);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
623 EXPECT_EQ(result, 0);
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parents: 546
diff changeset
624 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
625 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
626
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
627 TEST_F(BufferSeek, CurValidPositive) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
628 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
629 int result = cxBufferSeek(&buf, 2, SEEK_CUR);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
630 EXPECT_EQ(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
631 EXPECT_EQ(buf.pos, 5);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
632 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
633
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
634 TEST_F(BufferSeek, CurValidNegative) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
635 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
636 int result = cxBufferSeek(&buf, -3, SEEK_CUR);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
637 EXPECT_EQ(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
638 EXPECT_EQ(buf.pos, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
639 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
640
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
641 TEST_F(BufferSeek, CurInvalidPositive) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
642 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
643 int result = cxBufferSeek(&buf, 3, SEEK_CUR);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
644 EXPECT_NE(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
645 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
646 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
647
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
648 TEST_F(BufferSeek, CurInvalidNegative) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
649 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
650 int result = cxBufferSeek(&buf, -4, SEEK_CUR);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
651 EXPECT_NE(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
652 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
653 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
654
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
655 TEST_F(BufferSeek, EndZero) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
656 ASSERT_EQ(buf.size, 6);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
657 int result = cxBufferSeek(&buf, 0, SEEK_END);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
658 // the (past-the-)end position is always invalid
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
659 EXPECT_NE(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
660 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
661 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
662
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
663 TEST_F(BufferSeek, EndValid) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
664 ASSERT_EQ(buf.size, 6);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
665 int result = cxBufferSeek(&buf, -6, SEEK_END);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
666 EXPECT_EQ(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
667 EXPECT_EQ(buf.pos, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
668 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
669
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
670 TEST_F(BufferSeek, EndInvalid) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
671 ASSERT_EQ(buf.size, 6);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
672 int result = cxBufferSeek(&buf, 1, SEEK_END);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
673 EXPECT_NE(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
674 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
675 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
676
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
677 TEST_F(BufferSeek, WhenceInvalid) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
678 ASSERT_EQ(buf.size, 6);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
679 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
680 int result = cxBufferSeek(&buf, 2, 9000);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
681 EXPECT_NE(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
682 EXPECT_EQ(buf.size, 6);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
683 EXPECT_EQ(buf.pos, 3);
548
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
684 }
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
685
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
686 class BufferEof : public BufferFixture {
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
687 };
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
688
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
689 TEST_F(BufferEof, Reached) {
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
690 buf.pos = buf.size;
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
691 EXPECT_TRUE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
692 buf.pos = buf.size - 1;
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Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
693 ASSERT_FALSE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
694 cxBufferPut(&buf, 'a');
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
695 EXPECT_TRUE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
696 }
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
697
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
698 TEST_F(BufferEof, NotReached) {
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
699 buf.pos = buf.size - 1;
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
700 EXPECT_FALSE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
701 buf.pos = 0;
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
702 cxBufferWrite("test", 1, 5, &buf);
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
703 EXPECT_FALSE(cxBufferEof(&buf));
459bca1cdf8d #170 test buffer eof
Mike Becker <universe@uap-core.de>
parents: 547
diff changeset
704 }

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