test/test_buffer.cpp

Mon, 16 May 2022 19:15:44 +0200

author
Mike Becker <universe@uap-core.de>
date
Mon, 16 May 2022 19:15:44 +0200
changeset 547
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parent 546
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child 548
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#170 test buffer seek

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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 static void expect_default_flush_config(CxBuffer *buf) {
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35 EXPECT_EQ(buf->flush_blkmax, 0);
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36 EXPECT_EQ(buf->flush_blksize, 4096);
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37 EXPECT_EQ(buf->flush_threshold, SIZE_MAX);
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38 EXPECT_EQ(buf->flush_func, nullptr);
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39 EXPECT_EQ(buf->flush_target, nullptr);
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40 }
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41
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42 TEST(BufferInit, WrapSpace) {
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43 CxTestingAllocator alloc;
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44 CxBuffer buf;
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45 void *space = cxMalloc(&alloc, 16);
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46 cxBufferInit(&buf, space, 16, &alloc, CX_BUFFER_DEFAULT);
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47 expect_default_flush_config(&buf);
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48 EXPECT_EQ(buf.space, space);
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49 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0);
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50 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, 0);
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51 EXPECT_EQ(buf.pos, 0);
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52 EXPECT_EQ(buf.size, 0);
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53 EXPECT_EQ(buf.capacity, 16);
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54 EXPECT_EQ(buf.allocator, &alloc);
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55 cxBufferDestroy(&buf);
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56 EXPECT_FALSE(alloc.verify());
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57 cxFree(&alloc, space);
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58 EXPECT_TRUE(alloc.verify());
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59 }
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60
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61 TEST(BufferInit, WrapSpaceAutoExtend) {
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62 CxTestingAllocator alloc;
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63 CxBuffer buf;
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64 void *space = cxMalloc(&alloc, 16);
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65 cxBufferInit(&buf, space, 16, &alloc, CX_BUFFER_AUTO_EXTEND);
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66 expect_default_flush_config(&buf);
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67 EXPECT_EQ(buf.space, space);
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68 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, CX_BUFFER_AUTO_EXTEND);
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69 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, 0);
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70 EXPECT_EQ(buf.pos, 0);
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71 EXPECT_EQ(buf.size, 0);
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72 EXPECT_EQ(buf.capacity, 16);
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73 EXPECT_EQ(buf.allocator, &alloc);
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74 cxBufferDestroy(&buf);
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75 EXPECT_FALSE(alloc.verify());
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76 cxFree(&alloc, space);
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77 EXPECT_TRUE(alloc.verify());
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78 }
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79
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80 TEST(BufferInit, WrapSpaceAutoFree) {
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81 CxTestingAllocator alloc;
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82 CxBuffer buf;
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83 void *space = cxMalloc(&alloc, 16);
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84 cxBufferInit(&buf, space, 16, &alloc, CX_BUFFER_FREE_CONTENTS);
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85 expect_default_flush_config(&buf);
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86 EXPECT_EQ(buf.space, space);
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87 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0);
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88 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, CX_BUFFER_FREE_CONTENTS);
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89 EXPECT_EQ(buf.pos, 0);
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90 EXPECT_EQ(buf.size, 0);
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91 EXPECT_EQ(buf.capacity, 16);
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92 EXPECT_EQ(buf.allocator, &alloc);
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93 EXPECT_FALSE(alloc.verify());
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94 cxBufferDestroy(&buf);
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95 EXPECT_TRUE(alloc.verify());
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96 }
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97
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98 TEST(BufferInit, FreshSpace) {
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99 CxTestingAllocator alloc;
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100 CxBuffer buf;
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101 cxBufferInit(&buf, nullptr, 8, &alloc, CX_BUFFER_DEFAULT);
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102 expect_default_flush_config(&buf);
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103 EXPECT_NE(buf.space, nullptr);
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104 EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0);
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105 EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, CX_BUFFER_FREE_CONTENTS);
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106 EXPECT_EQ(buf.pos, 0);
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107 EXPECT_EQ(buf.size, 0);
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108 EXPECT_EQ(buf.capacity, 8);
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109 EXPECT_EQ(buf.allocator, &alloc);
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110 EXPECT_FALSE(alloc.verify()); // space is still allocated
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111 cxBufferDestroy(&buf);
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112 EXPECT_TRUE(alloc.verify());
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113 }
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114
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115 class BufferShiftFixture : public ::testing::Test {
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116 protected:
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117 void SetUp() override {
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118 ASSERT_TRUE(alloc.verify());
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119 cxBufferInit(&buf, nullptr, 16, &alloc, CX_BUFFER_DEFAULT);
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120 memcpy(buf.space, "test____________", 16);
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121 buf.capacity = 8; // purposely pretend that the buffer has less capacity s.t. we can test beyond the range
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122 buf.pos = 4;
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123 buf.size = 4;
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124 }
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125
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126 void TearDown() override {
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127 cxBufferDestroy(&buf);
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128 EXPECT_TRUE(alloc.verify());
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129 }
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130
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131 CxTestingAllocator alloc;
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132 CxBuffer buf{};
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133 };
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134
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135 class BufferShiftLeft : public BufferShiftFixture {
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136 };
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137
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138 TEST_F(BufferShiftLeft, Zero) {
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139 ASSERT_EQ(buf.pos, 4);
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140 ASSERT_EQ(buf.size, 4);
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141 int ret = cxBufferShiftLeft(&buf, 0);
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142 EXPECT_EQ(ret, 0);
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143 EXPECT_EQ(buf.pos, 4);
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144 EXPECT_EQ(buf.size, 4);
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145 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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146 }
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147
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148 TEST_F(BufferShiftLeft, ZeroOffsetInterface) {
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149 ASSERT_EQ(buf.pos, 4);
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150 ASSERT_EQ(buf.size, 4);
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151 int ret = cxBufferShift(&buf, -0);
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152 EXPECT_EQ(ret, 0);
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153 EXPECT_EQ(buf.pos, 4);
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154 EXPECT_EQ(buf.size, 4);
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155 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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156 }
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157
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158 TEST_F(BufferShiftLeft, Standard) {
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159 ASSERT_EQ(buf.pos, 4);
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160 ASSERT_EQ(buf.size, 4);
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161 int ret = cxBufferShiftLeft(&buf, 2);
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162 EXPECT_EQ(ret, 0);
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163 EXPECT_EQ(buf.pos, 2);
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164 EXPECT_EQ(buf.size, 2);
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165 EXPECT_TRUE(memcmp(buf.space, "stst________", 8) == 0);
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166 }
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167
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168 TEST_F(BufferShiftLeft, Overshift) {
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169 ASSERT_LT(buf.pos, 6);
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170 ASSERT_LT(buf.size, 6);
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171 int ret = cxBufferShiftLeft(&buf, 6);
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172 EXPECT_EQ(ret, 0);
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173 EXPECT_EQ(buf.pos, 0);
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174 EXPECT_EQ(buf.size, 0);
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175 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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176 }
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177
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178 TEST_F(BufferShiftLeft, OvershiftPosOnly) {
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179 buf.pos = 2;
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180 ASSERT_EQ(buf.size, 4);
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181 int ret = cxBufferShiftLeft(&buf, 3);
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182 EXPECT_EQ(ret, 0);
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183 EXPECT_EQ(buf.pos, 0);
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184 EXPECT_EQ(buf.size, 1);
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185 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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186 }
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187
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188 TEST_F(BufferShiftLeft, OffsetInterface) {
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189 buf.pos = 3;
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190 ASSERT_EQ(buf.size, 4);
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191 int ret = cxBufferShift(&buf, -2);
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192 EXPECT_EQ(ret, 0);
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193 EXPECT_EQ(buf.pos, 1);
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194 EXPECT_EQ(buf.size, 2);
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195 EXPECT_TRUE(memcmp(buf.space, "stst________", 8) == 0);
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196 }
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197
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198 class BufferShiftRight : public BufferShiftFixture {
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199 };
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200
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201 TEST_F(BufferShiftRight, Zero) {
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202 ASSERT_EQ(buf.pos, 4);
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203 ASSERT_EQ(buf.size, 4);
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204 int ret = cxBufferShiftRight(&buf, 0);
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205 EXPECT_EQ(ret, 0);
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206 EXPECT_EQ(buf.pos, 4);
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207 EXPECT_EQ(buf.size, 4);
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208 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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209 }
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210
547
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211 TEST_F(BufferShiftRight, ZeroOffsetInterface) {
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212 ASSERT_EQ(buf.pos, 4);
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213 ASSERT_EQ(buf.size, 4);
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214 int ret = cxBufferShift(&buf, +0);
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215 EXPECT_EQ(ret, 0);
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216 EXPECT_EQ(buf.pos, 4);
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217 EXPECT_EQ(buf.size, 4);
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218 EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0);
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219 }
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220
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221 TEST_F(BufferShiftRight, Standard) {
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222 ASSERT_EQ(buf.pos, 4);
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223 ASSERT_EQ(buf.size, 4);
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224 int ret = cxBufferShiftRight(&buf, 3);
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225 EXPECT_EQ(ret, 0);
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226 EXPECT_EQ(buf.pos, 7);
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227 EXPECT_EQ(buf.size, 7);
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228 EXPECT_TRUE(memcmp(buf.space, "testest_____", 8) == 0);
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229 }
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230
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231 TEST_F(BufferShiftRight, OvershiftDiscard) {
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232 ASSERT_EQ(buf.pos, 4);
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233 ASSERT_EQ(buf.size, 4);
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234 ASSERT_EQ(buf.capacity, 8);
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235 int ret = cxBufferShiftRight(&buf, 6);
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236 EXPECT_EQ(ret, 0);
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237 EXPECT_EQ(buf.pos, 8);
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238 EXPECT_EQ(buf.size, 8);
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239 EXPECT_EQ(buf.capacity, 8);
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240 EXPECT_TRUE(memcmp(buf.space, "test__te____", 8) == 0);
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241 }
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242
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243 TEST_F(BufferShiftRight, OvershiftExtend) {
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244 ASSERT_EQ(buf.pos, 4);
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245 ASSERT_EQ(buf.size, 4);
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246 ASSERT_EQ(buf.capacity, 8);
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247 buf.flags |= CX_BUFFER_AUTO_EXTEND;
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248 int ret = cxBufferShiftRight(&buf, 6);
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249 EXPECT_EQ(ret, 0);
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250 EXPECT_EQ(buf.pos, 10);
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251 EXPECT_EQ(buf.size, 10);
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252 EXPECT_GE(buf.capacity, 10);
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253 EXPECT_TRUE(memcmp(buf.space, "test__test__", 8) == 0);
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254 }
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255
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256 TEST_F(BufferShiftRight, OffsetInterface) {
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257 buf.pos = 3;
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258 ASSERT_EQ(buf.size, 4);
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259 int ret = cxBufferShift(&buf, 2);
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260 EXPECT_EQ(ret, 0);
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261 EXPECT_EQ(buf.pos, 5);
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262 EXPECT_EQ(buf.size, 6);
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263 EXPECT_TRUE(memcmp(buf.space, "tetest______", 8) == 0);
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264 }
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265
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266 TEST(BufferMinimumCapacity, Sufficient) {
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267 CxTestingAllocator alloc;
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268 auto space = cxMalloc(&alloc, 8);
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269 CxBuffer buf;
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270 cxBufferInit(&buf, space, 8, &alloc, CX_BUFFER_FREE_CONTENTS);
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271 memcpy(space, "Testing", 8);
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272 buf.size = 8;
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273 cxBufferMinimumCapacity(&buf, 6);
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274 EXPECT_EQ(buf.capacity, 8);
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275 EXPECT_EQ(buf.size, 8);
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276 EXPECT_TRUE(memcmp(buf.space, "Testing", 8) == 0);
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277 cxBufferDestroy(&buf);
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278 EXPECT_TRUE(alloc.verify());
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279 }
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280
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281 TEST(BufferMinimumCapacity, Extend) {
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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); // NO auto extend!
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286 memcpy(space, "Testing", 8);
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287 buf.size = 8;
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288 cxBufferMinimumCapacity(&buf, 16);
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289 EXPECT_EQ(buf.capacity, 16);
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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 }
536
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295
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296 TEST(BufferClear, Test) {
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297 char space[16];
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298 strcpy(space, "clear test");
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299 CxBuffer buf;
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300 cxBufferInit(&buf, space, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
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301 ASSERT_EQ(buf.size, 0);
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302 // only clear the used part of the buffer
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303 cxBufferClear(&buf);
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304 EXPECT_EQ(memcmp(space, "clear test", 10), 0);
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305 buf.size = 5;
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306 buf.pos = 3;
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307 cxBufferClear(&buf);
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308 EXPECT_EQ(memcmp(space, "\0\0\0\0\0 test", 10), 0);
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309 EXPECT_EQ(buf.size, 0);
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310 EXPECT_EQ(buf.pos, 0);
538
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311 cxBufferDestroy(&buf);
536
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312 }
538
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313
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314 class BufferWrite : public ::testing::Test {
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315 protected:
545
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316 CxBuffer buf{}, target{};
538
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317
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318 void SetUp() override {
545
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319 cxBufferInit(&target, nullptr, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
538
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320 cxBufferInit(&buf, nullptr, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
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321 buf.capacity = 8; // artificially reduce capacity to check OOB writes
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322 memset(buf.space, 0, 16);
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323 memcpy(buf.space, "prep", 4);
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324 buf.size = buf.pos = 4;
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325 }
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326
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327 void TearDown() override {
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328 cxBufferDestroy(&buf);
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329 cxBufferDestroy(&target);
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330 }
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331
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332 void enableFlushing() {
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333 buf.flush_target = &target;
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334 buf.flush_func = reinterpret_cast<cx_write_func>(cxBufferWrite);
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335 buf.flush_blkmax = 1;
538
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336 }
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337 };
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338
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339 TEST_F(BufferWrite, SizeOneFit) {
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340 const char *data = "test";
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341 ASSERT_EQ(buf.capacity, 8);
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342 ASSERT_EQ(buf.pos, 4);
541
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343 ASSERT_EQ(buf.size, 4);
538
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344 size_t written = cxBufferWrite(data, 1, 4, &buf);
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345 EXPECT_EQ(written, 4);
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346 EXPECT_EQ(buf.size, 8);
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347 EXPECT_EQ(buf.pos, 8);
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348 EXPECT_EQ(buf.capacity, 8);
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349 EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0);
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350 }
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351
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352 TEST_F(BufferWrite, SizeOneDiscard) {
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diff changeset
353 const char *data = "testing";
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diff changeset
354 ASSERT_EQ(buf.capacity, 8);
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355 ASSERT_EQ(buf.pos, 4);
541
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356 ASSERT_EQ(buf.size, 4);
538
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diff changeset
357 size_t written = cxBufferWrite(data, 1, 7, &buf);
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diff changeset
358 EXPECT_EQ(written, 4);
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diff changeset
359 EXPECT_EQ(buf.size, 8);
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diff changeset
360 EXPECT_EQ(buf.pos, 8);
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361 EXPECT_EQ(buf.capacity, 8);
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diff changeset
362 EXPECT_EQ(memcmp(buf.space, "preptest\0", 9), 0);
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363 }
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364
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diff changeset
365 TEST_F(BufferWrite, SizeOneExtend) {
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366 buf.flags |= CX_BUFFER_AUTO_EXTEND;
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diff changeset
367 const char *data = "testing";
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368 ASSERT_EQ(buf.capacity, 8);
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369 ASSERT_EQ(buf.pos, 4);
541
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370 ASSERT_EQ(buf.size, 4);
538
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371 size_t written = cxBufferWrite(data, 1, 7, &buf);
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diff changeset
372 EXPECT_EQ(written, 7);
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373 EXPECT_EQ(buf.size, 11);
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374 EXPECT_EQ(buf.pos, 11);
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375 EXPECT_GE(buf.capacity, 11);
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376 EXPECT_EQ(memcmp(buf.space, "preptesting", 11), 0);
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diff changeset
377 }
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diff changeset
378
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diff changeset
379 TEST_F(BufferWrite, MultibyteFit) {
541
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380 const char *data = "test";
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381 ASSERT_EQ(buf.capacity, 8);
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382 ASSERT_EQ(buf.pos, 4);
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383 ASSERT_EQ(buf.size, 4);
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384 size_t written = cxBufferWrite(data, 2, 2, &buf);
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diff changeset
385 EXPECT_EQ(written, 2);
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diff changeset
386 EXPECT_EQ(buf.size, 8);
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diff changeset
387 EXPECT_EQ(buf.pos, 8);
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diff changeset
388 EXPECT_EQ(buf.capacity, 8);
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diff changeset
389 EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0);
538
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diff changeset
390 }
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diff changeset
391
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diff changeset
392 TEST_F(BufferWrite, MultibyteDiscard) {
542
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diff changeset
393 const char *data = "testing";
541
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diff changeset
394 ASSERT_EQ(buf.capacity, 8);
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diff changeset
395 ASSERT_EQ(buf.size, 4);
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396 buf.pos = 3;
542
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diff changeset
397 size_t written = cxBufferWrite(data, 2, 4, &buf);
538
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diff changeset
398 // remember: whole elements are discarded if they do not fit
541
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diff changeset
399 EXPECT_EQ(written, 2);
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diff changeset
400 EXPECT_EQ(buf.size, 7);
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diff changeset
401 EXPECT_EQ(buf.pos, 7);
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diff changeset
402 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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diff changeset
403 EXPECT_EQ(memcmp(buf.space, "pretest\0", 8), 0);
538
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diff changeset
404 }
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diff changeset
405
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diff changeset
406 TEST_F(BufferWrite, MultibyteExtend) {
541
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diff changeset
407 buf.flags |= CX_BUFFER_AUTO_EXTEND;
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diff changeset
408 const char *data = "tester";
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diff changeset
409 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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diff changeset
410 ASSERT_EQ(buf.size, 4);
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diff changeset
411 buf.pos = 3;
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diff changeset
412 size_t written = cxBufferWrite(data, 2, 3, &buf);
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diff changeset
413 // remember: whole elements are discarded if they do not fit
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diff changeset
414 EXPECT_EQ(written, 3);
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diff changeset
415 EXPECT_EQ(buf.size, 9);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
416 EXPECT_EQ(buf.pos, 9);
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diff changeset
417 EXPECT_GE(buf.capacity, 9);
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diff changeset
418 EXPECT_EQ(memcmp(buf.space, "pretester\0", 10), 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, PutcWrapperFit) {
541
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diff changeset
422 ASSERT_EQ(buf.capacity, 8);
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diff changeset
423 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
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diff changeset
424 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
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diff changeset
425 int c = cxBufferPut(&buf, 0x20 | 'a');
67e078518935 #170 complete write tests for status quo
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diff changeset
426 EXPECT_EQ(c, 'a');
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
427 EXPECT_EQ(buf.size, 5);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
428 EXPECT_EQ(buf.pos, 5);
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diff changeset
429 EXPECT_EQ(buf.capacity, 8);
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parents: 539
diff changeset
430 EXPECT_EQ(memcmp(buf.space, "prepa\0", 6), 0);
538
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diff changeset
431 }
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diff changeset
432
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diff changeset
433 TEST_F(BufferWrite, PutcWrapperDiscard) {
541
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diff changeset
434 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
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diff changeset
435 ASSERT_EQ(buf.size, 4);
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diff changeset
436 buf.pos = 8;
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diff changeset
437 int c = cxBufferPut(&buf, 0x20 | 'a');
67e078518935 #170 complete write tests for status quo
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diff changeset
438 EXPECT_EQ(c, EOF);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
439 EXPECT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
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parents: 539
diff changeset
440 EXPECT_EQ(buf.pos, 8);
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parents: 539
diff changeset
441 EXPECT_EQ(buf.capacity, 8);
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diff changeset
442 EXPECT_EQ(memcmp(buf.space, "prep\0\0\0\0\0", 9), 0);
538
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diff changeset
443 }
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diff changeset
444
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parents: 536
diff changeset
445 TEST_F(BufferWrite, PutcWrapperExtend) {
541
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diff changeset
446 buf.flags |= CX_BUFFER_AUTO_EXTEND;
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parents: 539
diff changeset
447 ASSERT_EQ(buf.capacity, 8);
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parents: 539
diff changeset
448 ASSERT_EQ(buf.size, 4);
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diff changeset
449 buf.pos = 8;
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diff changeset
450 int c = cxBufferPut(&buf, 0x20 | 'a');
67e078518935 #170 complete write tests for status quo
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diff changeset
451 EXPECT_EQ(c, 'a');
67e078518935 #170 complete write tests for status quo
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diff changeset
452 EXPECT_EQ(buf.size, 9);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
453 EXPECT_EQ(buf.pos, 9);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
454 EXPECT_GE(buf.capacity, 9);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
455 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
456 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
457
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
458 TEST_F(BufferWrite, PutStringWrapperFit) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
459 const char *data = "test";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
460 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
461 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
462 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
463 size_t written = cxBufferPutString(&buf, data);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
464 EXPECT_EQ(written, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
465 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
466 EXPECT_EQ(buf.pos, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
467 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
468 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
469 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
470
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
471 TEST_F(BufferWrite, PutStringWrapperDiscard) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
472 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
473 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
474 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
475 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
476 size_t written = cxBufferPutString(&buf, data);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
477 EXPECT_EQ(written, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
478 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
479 EXPECT_EQ(buf.pos, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
480 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
481 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
482 }
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
483
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
484 TEST_F(BufferWrite, PutStringWrapperExtend) {
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
485 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
486 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
487 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
488 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
489 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
490 size_t written = cxBufferPutString(&buf, data);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
491 EXPECT_EQ(written, 7);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
492 EXPECT_EQ(buf.size, 11);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
493 EXPECT_EQ(buf.pos, 11);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
494 EXPECT_GE(buf.capacity, 11);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
495 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
496 }
538
2cfbcbe86a7c #170 first basic write tests
Mike Becker <universe@uap-core.de>
parents: 536
diff changeset
497
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
498 TEST_F(BufferWrite, MultOverflow) {
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
499 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
500 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
501 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
502 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
503 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
504 EXPECT_EQ(written, 0);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
505 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
506 EXPECT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
507 EXPECT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
508 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
509 }
541
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
510
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
511 TEST_F(BufferWrite, MaxCapaOverflow) {
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
512 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
513 const char *data = "testing";
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
514 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
515 ASSERT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
516 ASSERT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
517 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
518 EXPECT_EQ(written, 0);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
519 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
520 EXPECT_EQ(buf.pos, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
521 EXPECT_EQ(buf.size, 4);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
522 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
523 }
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
524
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
525 TEST_F(BufferWrite, OnlyOverwrite) {
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
526 buf.flags |= CX_BUFFER_AUTO_EXTEND;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
527 ASSERT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
528 memcpy(buf.space, "preptest", 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
529 buf.pos = 3;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
530 buf.size = 8;
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
531 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
532 EXPECT_EQ(written, 2);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
533 EXPECT_EQ(buf.capacity, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
534 EXPECT_EQ(buf.size, 8);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
535 EXPECT_EQ(buf.pos, 7);
67e078518935 #170 complete write tests for status quo
Mike Becker <universe@uap-core.de>
parents: 539
diff changeset
536 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
537 }
545
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
538
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
539 TEST_F(BufferWrite, FlushAtCapacity) {
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
540 enableFlushing();
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
541 ASSERT_EQ(buf.capacity, 8);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
542 ASSERT_EQ(buf.pos, 4);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
543 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
544 EXPECT_EQ(written, 3);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
545 ASSERT_EQ(buf.pos, 7);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
546 ASSERT_EQ(buf.size, 7);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
547 ASSERT_EQ(target.pos, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
548 ASSERT_EQ(target.size, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
549 written = cxBufferWrite("hello", 1, 5, &buf);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
550 EXPECT_EQ(written, 5);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
551 EXPECT_EQ(buf.pos, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
552 EXPECT_EQ(buf.size, 0);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
553 EXPECT_EQ(buf.capacity, 8);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
554 EXPECT_EQ(target.pos, 12);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
555 ASSERT_EQ(target.size, 12);
3700ac4bd9a3 #184 #170 first basic flush test
Mike Becker <universe@uap-core.de>
parents: 542
diff changeset
556 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
557 }
546
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
558
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
559 TEST_F(BufferWrite, FlushAtThreshold) {
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
560 enableFlushing();
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
561 buf.flush_threshold = 12;
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
562 buf.flags |= CX_BUFFER_AUTO_EXTEND;
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
563 ASSERT_EQ(buf.capacity, 8);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
564 ASSERT_EQ(buf.pos, 4);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
565 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
566 EXPECT_EQ(written, 6);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
567 ASSERT_EQ(buf.pos, 10);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
568 ASSERT_EQ(buf.size, 10);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
569 ASSERT_GE(buf.capacity, 10);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
570 ASSERT_LE(buf.capacity, 12);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
571 ASSERT_EQ(target.pos, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
572 ASSERT_EQ(target.size, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
573 written = cxBufferWrite("hello", 1, 5, &buf);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
574 EXPECT_EQ(written, 5);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
575 EXPECT_EQ(buf.pos, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
576 EXPECT_EQ(buf.size, 0);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
577 EXPECT_LE(buf.capacity, 12);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
578 EXPECT_EQ(target.pos, 15);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
579 ASSERT_EQ(target.size, 15);
900795d59d03 #184 #170 flush at threshold test
Mike Becker <universe@uap-core.de>
parents: 545
diff changeset
580 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
581 }
547
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
582
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
583 class BufferSeek : public ::testing::Test {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
584 protected:
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
585 void SetUp() override {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
586 cxBufferInit(&buf, nullptr, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
587 buf.size = 6;
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
588 buf.pos = 3;
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
589 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
590
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
591 void TearDown() override {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
592 cxBufferDestroy(&buf);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
593 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
594
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
595 CxBuffer buf{};
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
596 };
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
597
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
598 TEST_F(BufferSeek, SetZero) {
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
599 int result = cxBufferSeek(&buf, 0, SEEK_SET);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
600 EXPECT_EQ(result, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
601 EXPECT_EQ(buf.pos, 0);
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
602 }
9e933920dcf9 #170 test buffer seek
Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
603
9e933920dcf9 #170 test buffer seek
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parents: 546
diff changeset
604 TEST_F(BufferSeek, SetValid) {
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parents: 546
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605 int result = cxBufferSeek(&buf, 5, SEEK_SET);
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606 EXPECT_EQ(result, 0);
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parents: 546
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607 EXPECT_EQ(buf.pos, 5);
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parents: 546
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608 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
609
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parents: 546
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610 TEST_F(BufferSeek, SetInvalid) {
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parents: 546
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611 ASSERT_EQ(buf.pos, 3);
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parents: 546
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612 int result = cxBufferSeek(&buf, 6, SEEK_SET);
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parents: 546
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613 EXPECT_NE(result, 0);
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parents: 546
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614 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
615 }
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parents: 546
diff changeset
616
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parents: 546
diff changeset
617 TEST_F(BufferSeek, CurZero) {
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parents: 546
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618 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
619 int result = cxBufferSeek(&buf, 0, SEEK_CUR);
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parents: 546
diff changeset
620 EXPECT_EQ(result, 0);
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parents: 546
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621 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
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diff changeset
622 }
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diff changeset
623
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parents: 546
diff changeset
624 TEST_F(BufferSeek, CurValidPositive) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
625 ASSERT_EQ(buf.pos, 3);
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parents: 546
diff changeset
626 int result = cxBufferSeek(&buf, 2, SEEK_CUR);
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Mike Becker <universe@uap-core.de>
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diff changeset
627 EXPECT_EQ(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
628 EXPECT_EQ(buf.pos, 5);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
629 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
630
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
631 TEST_F(BufferSeek, CurValidNegative) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
632 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
633 int result = cxBufferSeek(&buf, -3, SEEK_CUR);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
634 EXPECT_EQ(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
635 EXPECT_EQ(buf.pos, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
636 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
637
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
638 TEST_F(BufferSeek, CurInvalidPositive) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
639 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
640 int result = cxBufferSeek(&buf, 3, SEEK_CUR);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
641 EXPECT_NE(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
642 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
643 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
644
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
645 TEST_F(BufferSeek, CurInvalidNegative) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
646 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
647 int result = cxBufferSeek(&buf, -4, SEEK_CUR);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
648 EXPECT_NE(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
649 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
650 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
651
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
652 TEST_F(BufferSeek, EndZero) {
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parents: 546
diff changeset
653 ASSERT_EQ(buf.size, 6);
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parents: 546
diff changeset
654 int result = cxBufferSeek(&buf, 0, SEEK_END);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
655 // the (past-the-)end position is always invalid
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parents: 546
diff changeset
656 EXPECT_NE(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
657 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
658 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
659
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
660 TEST_F(BufferSeek, EndValid) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
661 ASSERT_EQ(buf.size, 6);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
662 int result = cxBufferSeek(&buf, -6, SEEK_END);
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parents: 546
diff changeset
663 EXPECT_EQ(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
664 EXPECT_EQ(buf.pos, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
665 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
666
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
667 TEST_F(BufferSeek, EndInvalid) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
668 ASSERT_EQ(buf.size, 6);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
669 int result = cxBufferSeek(&buf, 1, SEEK_END);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
670 EXPECT_NE(result, 0);
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parents: 546
diff changeset
671 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
672 }
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
673
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
674 TEST_F(BufferSeek, WhenceInvalid) {
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
675 ASSERT_EQ(buf.size, 6);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
676 ASSERT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
677 int result = cxBufferSeek(&buf, 2, 9000);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
678 EXPECT_NE(result, 0);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
679 EXPECT_EQ(buf.size, 6);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
680 EXPECT_EQ(buf.pos, 3);
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Mike Becker <universe@uap-core.de>
parents: 546
diff changeset
681 }

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