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annotate OrthancFramework/UnitTestsSources/ZipTests.cpp @ 4672:d9942d48fea7

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ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 02 Jun 2021 17:35:39 +0200
parents b12faca76a52
children 863383e7e582
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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22
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23 #if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1
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24 // Must be the first to be sure to use the Orthanc framework shared library
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25 # include <OrthancFramework.h>
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26 #endif
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27
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28 #include <gtest/gtest.h>
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29
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30 #include "../Sources/Compression/HierarchicalZipWriter.h"
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31 #include "../Sources/Compression/ZipReader.h"
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32 #include "../Sources/OrthancException.h"
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33 #include "../Sources/SystemToolbox.h"
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34 #include "../Sources/TemporaryFile.h"
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35 #include "../Sources/Toolbox.h"
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37
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38 using namespace Orthanc;
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39
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40 TEST(ZipWriter, Basic)
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41 {
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42 Orthanc::ZipWriter w;
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43 w.SetOutputPath("UnitTestsResults/hello.zip");
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44 w.Open();
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45 w.OpenFile("world/hello");
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46 w.Write("Hello world");
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47 }
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48
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49
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50 TEST(ZipWriter, Basic64)
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51 {
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52 Orthanc::ZipWriter w;
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53 w.SetOutputPath("UnitTestsResults/hello64.zip");
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54 w.SetZip64(true);
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55 w.Open();
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56 w.OpenFile("world/hello");
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57 w.Write("Hello world");
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58 }
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59
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60
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61 TEST(ZipWriter, Exceptions)
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62 {
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63 Orthanc::ZipWriter w;
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64 ASSERT_THROW(w.Open(), Orthanc::OrthancException);
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65 w.SetOutputPath("UnitTestsResults/hello3.zip");
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66 w.Open();
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67 ASSERT_THROW(w.Write("hello world"), Orthanc::OrthancException);
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68 }
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70
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71 TEST(ZipWriter, Append)
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72 {
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73 {
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74 Orthanc::ZipWriter w;
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75 w.SetAppendToExisting(false);
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76 w.SetOutputPath("UnitTestsResults/append.zip");
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77 w.Open();
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78 w.OpenFile("world/hello");
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79 w.Write("Hello world 1");
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80 }
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81
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82 {
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83 Orthanc::ZipWriter w;
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84 w.SetAppendToExisting(true);
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85 w.SetOutputPath("UnitTestsResults/append.zip");
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86 w.Open();
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87 w.OpenFile("world/appended");
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88 w.Write("Hello world 2");
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89 }
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90 }
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94
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95
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96 namespace Orthanc
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97 {
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98 // The namespace is necessary
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99 // http://code.google.com/p/googletest/wiki/AdvancedGuide#Private_Class_Members
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100
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101 TEST(HierarchicalZipWriter, Index)
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102 {
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103 HierarchicalZipWriter::Index i;
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104 ASSERT_EQ("hello", i.OpenFile("hello"));
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105 ASSERT_EQ("hello-2", i.OpenFile("hello"));
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106 ASSERT_EQ("coucou", i.OpenFile("coucou"));
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107 ASSERT_EQ("hello-3", i.OpenFile("hello"));
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108
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109 i.OpenDirectory("coucou");
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110
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111 ASSERT_EQ("coucou-2/world", i.OpenFile("world"));
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112 ASSERT_EQ("coucou-2/world-2", i.OpenFile("world"));
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114 i.OpenDirectory("world");
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115
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116 ASSERT_EQ("coucou-2/world-3/hello", i.OpenFile("hello"));
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117 ASSERT_EQ("coucou-2/world-3/hello-2", i.OpenFile("hello"));
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118
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119 i.CloseDirectory();
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120
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121 ASSERT_EQ("coucou-2/world-4", i.OpenFile("world"));
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122
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123 i.CloseDirectory();
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124
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125 ASSERT_EQ("coucou-3", i.OpenFile("coucou"));
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126
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127 ASSERT_THROW(i.CloseDirectory(), OrthancException);
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128 }
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129
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130
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131 TEST(HierarchicalZipWriter, Filenames)
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132 {
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133 ASSERT_EQ("trE hell", HierarchicalZipWriter::Index::KeepAlphanumeric(" ÊtrE hellô "));
251
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134
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135 // The "^" character is considered as a space in DICOM
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136 ASSERT_EQ("Hel lo world", HierarchicalZipWriter::Index::KeepAlphanumeric(" Hel^^ ^\r\n\t^^lo \t <world> "));
247
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137 }
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138 }
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139
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140
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141 TEST(HierarchicalZipWriter, Basic)
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142 {
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143 static const std::string SPACES = " ";
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144
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145 HierarchicalZipWriter w("UnitTestsResults/hello2.zip");
247
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146
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147 w.SetCompressionLevel(0);
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148
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149 // Inside "/"
249
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150 w.OpenFile("hello");
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151 w.Write(SPACES + "hello\n");
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152 w.OpenFile("hello");
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153 w.Write(SPACES + "hello-2\n");
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154 w.OpenDirectory("hello");
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155
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156 // Inside "/hello-3"
249
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157 w.OpenFile("hello");
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158 w.Write(SPACES + "hello\n");
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159 w.OpenDirectory("hello");
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160
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161 w.SetCompressionLevel(9);
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162
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163 // Inside "/hello-3/hello-2"
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164 w.OpenFile("hello");
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165 w.Write(SPACES + "hello\n");
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166 w.OpenFile("hello");
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167 w.Write(SPACES + "hello-2\n");
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168 w.CloseDirectory();
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169
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170 // Inside "/hello-3"
249
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171 w.OpenFile("hello");
247
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172 w.Write(SPACES + "hello-3\n");
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173
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174 /**
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175
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176 TO CHECK THE CONTENT OF THE "hello2.zip" FILE:
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177
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178 # unzip -v hello2.zip
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179
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180 => There must be 6 files. The first 3 files must have a negative
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181 compression ratio.
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182
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183 **/
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184 }
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185
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186
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187 TEST(ZipReader, Basic)
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188 {
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189 TemporaryFile f;
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190
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191 {
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192 Orthanc::ZipWriter w;
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193 ASSERT_EQ(0, w.GetArchiveSize());
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194
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195 w.SetOutputPath(f.GetPath().c_str());
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196 w.Open();
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197 w.OpenFile("world/hello");
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198 w.Write("Hello world");
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199
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200 ASSERT_EQ(w.GetArchiveSize(), SystemToolbox::GetFileSize(f.GetPath()));
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201 }
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202
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203 ASSERT_TRUE(ZipReader::IsZipFile(f.GetPath()));
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204
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205 std::unique_ptr<ZipReader> reader(ZipReader::CreateFromFile(f.GetPath()));
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206
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207 ASSERT_EQ(1u, reader->GetFilesCount());
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208
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209 std::string filename, content;
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210 ASSERT_TRUE(reader->ReadNextFile(filename, content));
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211 ASSERT_EQ("world/hello", filename);
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212 ASSERT_EQ("Hello world", content);
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213 ASSERT_FALSE(reader->ReadNextFile(filename, content));
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214 }
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215
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216
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217
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218 TEST(ZipWriter, Stream)
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219 {
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220 std::string memory;
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221
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222 std::string large;
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223 large.resize(4 * 65536);
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224 for (size_t i = 0; i < large.size(); i++)
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225 {
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226 large[i] = rand() % 256;
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227 }
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228
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229 for (int i = 0; i < 2; i++)
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230 {
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231 {
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232 Orthanc::ZipWriter w;
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233 w.SetMemoryOutput(memory, (i == 0) /* ZIP64? */);
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234 w.Open();
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235
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236 w.OpenFile("world/hello");
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237 w.Write("Hello");
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238 w.CancelStream();
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239 }
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240
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241 ASSERT_THROW(ZipReader::CreateFromMemory(memory), Orthanc::OrthancException);
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242
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243 memory.clear();
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244 uint64_t archiveSize;
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245
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246 {
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247 Orthanc::ZipWriter w;
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248 ASSERT_EQ(0, w.GetArchiveSize());
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249
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250 w.SetMemoryOutput(memory, (i == 0) /* ZIP64? */);
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251 w.Open();
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252
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253 ASSERT_EQ(0, w.GetArchiveSize());
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254
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255 w.OpenFile("world/hello");
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256 w.Write(large);
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257 w.OpenFile("world/hello2");
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258 w.Write(large);
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259 w.OpenFile("world/hello3");
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260 w.Write("Hello world");
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261 w.OpenFile("world/hello4");
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262 w.Write(large);
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263
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264 ASSERT_TRUE(memory.empty());
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265
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266 uint64_t s1 = w.GetArchiveSize();
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267 ASSERT_NE(0, s1);
d9942d48fea7 ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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268
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diff changeset
269 w.Close();
d9942d48fea7 ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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diff changeset
270 archiveSize = w.GetArchiveSize();
d9942d48fea7 ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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271
d9942d48fea7 ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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diff changeset
272 ASSERT_NE(archiveSize, s1);
d9942d48fea7 ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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diff changeset
273 ASSERT_EQ(archiveSize, w.GetArchiveSize());
4670
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274 }
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275
4672
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diff changeset
276 ASSERT_EQ(archiveSize, memory.size());
d9942d48fea7 ZipWriter::CancelStream(), ZipWriter::GetArchiveSize() and HttpOutput::AnswerWithoutBuffering()
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277
4670
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diff changeset
278 std::unique_ptr<ZipReader> reader(ZipReader::CreateFromMemory(memory));
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279
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diff changeset
280 ASSERT_EQ(4u, reader->GetFilesCount());
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281
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282 {
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283 std::string filename, content;
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284 ASSERT_TRUE(reader->ReadNextFile(filename, content));
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285 ASSERT_EQ("world/hello", filename);
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286 ASSERT_EQ(large.size(), content.size());
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diff changeset
287 ASSERT_TRUE(memcmp(large.c_str(), content.c_str(), large.size()) == 0);
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288 }
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289
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290 {
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291 std::string filename, content;
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292 ASSERT_TRUE(reader->ReadNextFile(filename, content));
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293 ASSERT_EQ("world/hello2", filename);
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294 ASSERT_EQ(large.size(), content.size());
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diff changeset
295 ASSERT_TRUE(memcmp(large.c_str(), content.c_str(), large.size()) == 0);
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296 }
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297
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diff changeset
298 {
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299 std::string filename, content;
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300 ASSERT_TRUE(reader->ReadNextFile(filename, content));
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301 ASSERT_EQ("world/hello3", filename);
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diff changeset
302 ASSERT_EQ("Hello world", content);
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diff changeset
303 }
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304
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diff changeset
305 {
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diff changeset
306 std::string filename, content;
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diff changeset
307 ASSERT_TRUE(reader->ReadNextFile(filename, content));
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308 ASSERT_EQ("world/hello4", filename);
b12faca76a52 support of output streams in ZipWriter
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diff changeset
309 ASSERT_EQ(large.size(), content.size());
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diff changeset
310 ASSERT_TRUE(memcmp(large.c_str(), content.c_str(), large.size()) == 0);
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diff changeset
311 }
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diff changeset
312
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diff changeset
313 {
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diff changeset
314 std::string filename, content;
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diff changeset
315 ASSERT_FALSE(reader->ReadNextFile(filename, content));
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316 }
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317 }
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diff changeset
318 }
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diff changeset
319
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320
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diff changeset
321 namespace Orthanc
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322 {
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diff changeset
323 // The namespace is necessary because of FRIEND_TEST
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diff changeset
324 // http://code.google.com/p/googletest/wiki/AdvancedGuide#Private_Class_Members
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325
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diff changeset
326 TEST(ZipWriter, BufferWithSeek)
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diff changeset
327 {
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diff changeset
328 ZipWriter::BufferWithSeek buffer;
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diff changeset
329 ASSERT_EQ(0u, buffer.GetSize());
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diff changeset
330
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diff changeset
331 std::string s;
b12faca76a52 support of output streams in ZipWriter
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diff changeset
332 buffer.Flush(s);
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diff changeset
333 ASSERT_TRUE(s.empty());
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diff changeset
334
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diff changeset
335 buffer.Write("hello");
b12faca76a52 support of output streams in ZipWriter
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diff changeset
336 ASSERT_EQ(5u, buffer.GetSize());
b12faca76a52 support of output streams in ZipWriter
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diff changeset
337 ASSERT_EQ(5u, buffer.GetPosition());
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diff changeset
338 buffer.Write("world");
b12faca76a52 support of output streams in ZipWriter
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diff changeset
339 ASSERT_EQ(10u, buffer.GetSize());
b12faca76a52 support of output streams in ZipWriter
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diff changeset
340 ASSERT_EQ(10u, buffer.GetPosition());
b12faca76a52 support of output streams in ZipWriter
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diff changeset
341 buffer.Flush(s);
b12faca76a52 support of output streams in ZipWriter
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diff changeset
342 ASSERT_EQ("helloworld", s);
b12faca76a52 support of output streams in ZipWriter
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parents: 4437
diff changeset
343 ASSERT_EQ(0u, buffer.GetSize());
b12faca76a52 support of output streams in ZipWriter
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parents: 4437
diff changeset
344 ASSERT_EQ(0u, buffer.GetPosition());
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diff changeset
345
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diff changeset
346 buffer.Write("hello world");
b12faca76a52 support of output streams in ZipWriter
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diff changeset
347 buffer.Seek(4);
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diff changeset
348 ASSERT_EQ(4u, buffer.GetPosition());
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diff changeset
349 buffer.Write("ab");
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diff changeset
350 ASSERT_EQ(6u, buffer.GetPosition());
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diff changeset
351 buffer.Flush(s);
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diff changeset
352 ASSERT_EQ("hellabworld", s);
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diff changeset
353 ASSERT_EQ(0u, buffer.GetPosition());
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diff changeset
354
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diff changeset
355 buffer.Seek(0);
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diff changeset
356 ASSERT_EQ(0u, buffer.GetPosition());
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diff changeset
357 buffer.Write("abc");
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diff changeset
358 buffer.Write("");
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diff changeset
359 ASSERT_EQ(3u, buffer.GetPosition());
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diff changeset
360 buffer.Seek(3);
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diff changeset
361 ASSERT_THROW(buffer.Seek(4), OrthancException);
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diff changeset
362 ASSERT_EQ(3u, buffer.GetPosition());
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
363 buffer.Write("de");
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diff changeset
364 buffer.Write("");
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diff changeset
365 ASSERT_EQ(5u, buffer.GetPosition());
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diff changeset
366 buffer.Seek(3);
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diff changeset
367 buffer.Seek(3);
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diff changeset
368 ASSERT_EQ(3u, buffer.GetPosition());
b12faca76a52 support of output streams in ZipWriter
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diff changeset
369 ASSERT_THROW(buffer.Write("def"), OrthancException);
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diff changeset
370 buffer.Write("");
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diff changeset
371 ASSERT_EQ(3u, buffer.GetPosition());
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diff changeset
372 buffer.Write("fg");
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diff changeset
373 ASSERT_EQ(5u, buffer.GetPosition());
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diff changeset
374 buffer.Write("hi");
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diff changeset
375 ASSERT_EQ(7u, buffer.GetPosition());
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diff changeset
376 buffer.Flush(s);
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diff changeset
377 ASSERT_EQ("abcfghi", s);
b12faca76a52 support of output streams in ZipWriter
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diff changeset
378 ASSERT_EQ(0u, buffer.GetPosition());
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diff changeset
379
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diff changeset
380 buffer.Write("abc");
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diff changeset
381 ASSERT_EQ(3u, buffer.GetPosition());
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diff changeset
382 buffer.Seek(2);
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diff changeset
383 ASSERT_EQ(2u, buffer.GetPosition());
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diff changeset
384 buffer.Write("z");
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diff changeset
385 ASSERT_EQ(3u, buffer.GetPosition());
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diff changeset
386 buffer.Seek(1);
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diff changeset
387 ASSERT_EQ(1u, buffer.GetPosition());
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diff changeset
388 buffer.Write("y");
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diff changeset
389 ASSERT_EQ(2u, buffer.GetPosition());
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
390 buffer.Flush(s);
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
391 ASSERT_EQ("ayz", s);
b12faca76a52 support of output streams in ZipWriter
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parents: 4437
diff changeset
392 ASSERT_EQ(0u, buffer.GetPosition());
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
393
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
394 ASSERT_EQ(0u, buffer.GetPosition());
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
395 buffer.Write("abc");
b12faca76a52 support of output streams in ZipWriter
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diff changeset
396 ASSERT_EQ(3u, buffer.GetPosition());
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
397 buffer.Seek(1);
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
398 ASSERT_EQ(1u, buffer.GetPosition());
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
399 buffer.Write("z");
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400 ASSERT_EQ(2u, buffer.GetPosition());
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Sebastien Jodogne <s.jodogne@gmail.com>
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401 buffer.Seek(3);
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402 ASSERT_EQ(3u, buffer.GetPosition());
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Sebastien Jodogne <s.jodogne@gmail.com>
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403 buffer.Write("y");
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404 ASSERT_EQ(4u, buffer.GetPosition());
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Sebastien Jodogne <s.jodogne@gmail.com>
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405 buffer.Flush(s);
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Sebastien Jodogne <s.jodogne@gmail.com>
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406 ASSERT_EQ("azcy", s);
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
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407 ASSERT_EQ(0u, buffer.GetPosition());
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
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408
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
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409 buffer.Flush(s);
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
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410 ASSERT_TRUE(s.empty());
b12faca76a52 support of output streams in ZipWriter
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411 ASSERT_EQ(0u, buffer.GetPosition());
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
412 }
b12faca76a52 support of output streams in ZipWriter
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
413 }