test/test_buffer.cpp

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1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "cx/buffer.h"
30
31 #include <gtest/gtest.h>
32 #include "util_allocator.h"
33
34 class Buffer : public ::testing::Test {
35 protected:
36 void TearDown() override {
37 EXPECT_TRUE(testingAllocator.verify());
38 }
39
40 CxTestingAllocator testingAllocator;
41 };
42
43 TEST_F(Buffer, WrapSpace) {
44 CxBuffer buf;
45 void *space = cxMalloc(&testingAllocator, 16);
46 cxBufferInit(&buf, space, 16, &testingAllocator, CX_BUFFER_DEFAULT);
47 EXPECT_EQ(buf.space, space);
48 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0);
49 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, 0);
50 EXPECT_EQ(buf.pos, 0);
51 EXPECT_EQ(buf.size, 0);
52 EXPECT_EQ(buf.capacity, 16);
53 EXPECT_EQ(buf.allocator, &testingAllocator);
54 cxBufferDestroy(&buf);
55 EXPECT_FALSE(testingAllocator.verify());
56 cxFree(&testingAllocator, space);
57 EXPECT_TRUE(testingAllocator.verify());
58 }
59
60 TEST_F(Buffer, WrapSpaceAutoFree) {
61 CxBuffer buf;
62 void *space = cxMalloc(&testingAllocator, 16);
63 cxBufferInit(&buf, space, 16, &testingAllocator, CX_BUFFER_FREE_CONTENTS);
64 EXPECT_EQ(buf.space, space);
65 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0);
66 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, CX_BUFFER_FREE_CONTENTS);
67 EXPECT_EQ(buf.pos, 0);
68 EXPECT_EQ(buf.size, 0);
69 EXPECT_EQ(buf.capacity, 16);
70 EXPECT_EQ(buf.allocator, &testingAllocator);
71 EXPECT_FALSE(testingAllocator.verify());
72 cxBufferDestroy(&buf);
73 EXPECT_TRUE(testingAllocator.verify());
74 }

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