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annotate dep/fmt/test/posix-mock-test.cc @ 343:1faa72660932

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*: transfer back to cmake from autotools autotools just made lots of things more complicated than they should have and many things broke (i.e. translations)
author Paper <paper@paper.us.eu.org>
date Thu, 20 Jun 2024 05:56:06 -0400
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343
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1 // Tests of the C++ interface to POSIX functions that require mocks
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2 //
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3 // Copyright (c) 2012 - present, Victor Zverovich
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4 // All rights reserved.
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5 //
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6 // For the license information refer to format.h.
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7
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8 // Disable bogus MSVC warnings.
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9 #if !defined(_CRT_SECURE_NO_WARNINGS) && defined(_MSC_VER)
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10 # define _CRT_SECURE_NO_WARNINGS
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11 #endif
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12
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13 #include "posix-mock.h"
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14
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15 #include <errno.h>
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16 #include <fcntl.h>
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17
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18 #include <climits>
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19 #include <memory>
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20
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21 #include "../src/os.cc"
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22
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23 #ifdef _WIN32
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24 # include <io.h>
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25 # undef max
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26 #endif
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27
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28 #include "gmock/gmock.h"
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29 #include "gtest-extra.h"
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30 #include "util.h"
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31
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32 using fmt::buffered_file;
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33
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34 using testing::_;
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35 using testing::Return;
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36 using testing::StrEq;
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37
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38 template <typename Mock> struct scoped_mock : testing::StrictMock<Mock> {
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39 scoped_mock() { Mock::instance = this; }
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40 ~scoped_mock() { Mock::instance = nullptr; }
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41 };
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42
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43 namespace {
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44 int open_count;
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45 int close_count;
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46 int dup_count;
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47 int dup2_count;
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48 int fdopen_count;
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49 int read_count;
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50 int write_count;
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51 int pipe_count;
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52 int fopen_count;
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53 int fclose_count;
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54 int fileno_count;
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55 size_t read_nbyte;
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56 size_t write_nbyte;
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57 bool sysconf_error;
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58
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59 enum { none, max_size, error } fstat_sim;
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60 } // namespace
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61
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62 #define EMULATE_EINTR(func, error_result) \
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63 if (func##_count != 0) { \
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64 if (func##_count++ != 3) { \
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65 errno = EINTR; \
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66 return error_result; \
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67 } \
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68 }
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69
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70 #ifndef _MSC_VER
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71 int test::open(const char* path, int oflag, int mode) {
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72 EMULATE_EINTR(open, -1);
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73 return ::open(path, oflag, mode);
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74 }
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75 #endif
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76
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77 #ifndef _WIN32
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78
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79 long test::sysconf(int name) {
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80 long result = ::sysconf(name);
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81 if (!sysconf_error) return result;
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82 // Simulate an error.
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83 errno = EINVAL;
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84 return -1;
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85 }
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86
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87 static off_t max_file_size() { return std::numeric_limits<off_t>::max(); }
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88
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89 int test::fstat(int fd, struct stat* buf) {
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90 int result = ::fstat(fd, buf);
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91 if (fstat_sim == max_size) buf->st_size = max_file_size();
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92 return result;
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93 }
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94
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95 #else
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96
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97 static LONGLONG max_file_size() { return std::numeric_limits<LONGLONG>::max(); }
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98
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99 DWORD test::GetFileSize(HANDLE hFile, LPDWORD lpFileSizeHigh) {
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100 if (fstat_sim == error) {
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101 SetLastError(ERROR_ACCESS_DENIED);
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102 return INVALID_FILE_SIZE;
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103 }
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104 if (fstat_sim == max_size) {
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105 DWORD max = std::numeric_limits<DWORD>::max();
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106 *lpFileSizeHigh = max >> 1;
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107 return max;
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108 }
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109 return ::GetFileSize(hFile, lpFileSizeHigh);
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110 }
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111
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112 #endif
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113
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114 int test::close(int fildes) {
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115 // Close the file first because close shouldn't be retried.
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116 int result = ::FMT_POSIX(close(fildes));
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117 EMULATE_EINTR(close, -1);
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118 return result;
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119 }
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120
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121 int test::dup(int fildes) {
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122 EMULATE_EINTR(dup, -1);
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123 return ::FMT_POSIX(dup(fildes));
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124 }
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125
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126 int test::dup2(int fildes, int fildes2) {
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127 EMULATE_EINTR(dup2, -1);
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128 return ::FMT_POSIX(dup2(fildes, fildes2));
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129 }
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130
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131 FILE* test::fdopen(int fildes, const char* mode) {
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132 EMULATE_EINTR(fdopen, nullptr);
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133 return ::FMT_POSIX(fdopen(fildes, mode));
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134 }
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135
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136 test::ssize_t test::read(int fildes, void* buf, test::size_t nbyte) {
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137 read_nbyte = nbyte;
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138 EMULATE_EINTR(read, -1);
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139 return ::FMT_POSIX(read(fildes, buf, nbyte));
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140 }
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141
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142 test::ssize_t test::write(int fildes, const void* buf, test::size_t nbyte) {
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143 write_nbyte = nbyte;
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144 EMULATE_EINTR(write, -1);
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145 return ::FMT_POSIX(write(fildes, buf, nbyte));
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146 }
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147
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148 #ifndef _WIN32
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149 int test::pipe(int fildes[2]) {
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150 EMULATE_EINTR(pipe, -1);
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151 return ::pipe(fildes);
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152 }
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153 #else
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154 int test::pipe(int* pfds, unsigned psize, int textmode) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
155 EMULATE_EINTR(pipe, -1);
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Paper <paper@paper.us.eu.org>
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diff changeset
156 return _pipe(pfds, psize, textmode);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
157 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
158 #endif
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
159
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
160 FILE* test::fopen(const char* filename, const char* mode) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
161 EMULATE_EINTR(fopen, nullptr);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
162 return ::fopen(filename, mode);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
163 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
164
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
165 int test::fclose(FILE* stream) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
166 EMULATE_EINTR(fclose, EOF);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
167 return ::fclose(stream);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
168 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
169
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
170 int(test::fileno)(FILE* stream) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
171 EMULATE_EINTR(fileno, -1);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
172 #ifdef fileno
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Paper <paper@paper.us.eu.org>
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diff changeset
173 return FMT_POSIX(fileno(stream));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
174 #else
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Paper <paper@paper.us.eu.org>
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diff changeset
175 return ::FMT_POSIX(fileno(stream));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
176 #endif
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
177 }
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Paper <paper@paper.us.eu.org>
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diff changeset
178
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
179 #ifndef _WIN32
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Paper <paper@paper.us.eu.org>
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diff changeset
180 # define EXPECT_RETRY(statement, func, message) \
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Paper <paper@paper.us.eu.org>
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181 func##_count = 1; \
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
182 statement; \
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Paper <paper@paper.us.eu.org>
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diff changeset
183 EXPECT_EQ(4, func##_count); \
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Paper <paper@paper.us.eu.org>
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diff changeset
184 func##_count = 0;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
185 # define EXPECT_EQ_POSIX(expected, actual) EXPECT_EQ(expected, actual)
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Paper <paper@paper.us.eu.org>
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186 #else
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Paper <paper@paper.us.eu.org>
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diff changeset
187 # define EXPECT_RETRY(statement, func, message) \
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Paper <paper@paper.us.eu.org>
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188 func##_count = 1; \
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
189 EXPECT_SYSTEM_ERROR(statement, EINTR, message); \
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
190 func##_count = 0;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
191 # define EXPECT_EQ_POSIX(expected, actual)
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
192 #endif
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
193
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
194 #if FMT_USE_FCNTL
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parents:
diff changeset
195 void write_file(fmt::cstring_view filename, fmt::string_view content) {
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parents:
diff changeset
196 fmt::buffered_file f(filename, "w");
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Paper <paper@paper.us.eu.org>
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diff changeset
197 f.print("{}", content);
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Paper <paper@paper.us.eu.org>
parents:
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198 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
199
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
200 using fmt::file;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
201
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
202 TEST(os_test, getpagesize) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
203 # ifdef _WIN32
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
204 SYSTEM_INFO si = {};
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
205 GetSystemInfo(&si);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
206 EXPECT_EQ(si.dwPageSize, fmt::getpagesize());
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
207 # else
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
208 EXPECT_EQ(sysconf(_SC_PAGESIZE), fmt::getpagesize());
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
209 sysconf_error = true;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
210 EXPECT_SYSTEM_ERROR(fmt::getpagesize(), EINVAL,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
211 "cannot get memory page size");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
212 sysconf_error = false;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
213 # endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
214 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
215
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
216 TEST(file_test, open_retry) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
217 # ifndef _WIN32
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
218 write_file("temp", "there must be something here");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
219 std::unique_ptr<file> f{nullptr};
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
220 EXPECT_RETRY(f.reset(new file("temp", file::RDONLY)), open,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
221 "cannot open file temp");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
222 char c = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
223 f->read(&c, 1);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
224 # endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
225 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
226
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
227 TEST(file_test, close_no_retry_in_dtor) {
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Paper <paper@paper.us.eu.org>
parents:
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228 file read_end, write_end;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
229 file::pipe(read_end, write_end);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
230 std::unique_ptr<file> f(new file(std::move(read_end)));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
231 int saved_close_count = 0;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
232 EXPECT_WRITE(
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
233 stderr,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
234 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
235 close_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
236 f.reset(nullptr);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
237 saved_close_count = close_count;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
238 close_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
239 },
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
240 system_error_message(EINTR, "cannot close file") + "\n");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
241 EXPECT_EQ(2, saved_close_count);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
242 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
243
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
244 TEST(file_test, close_no_retry) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
245 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
246 file::pipe(read_end, write_end);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
247 close_count = 1;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
248 EXPECT_SYSTEM_ERROR(read_end.close(), EINTR, "cannot close file");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
249 EXPECT_EQ(2, close_count);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
250 close_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
251 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
252
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
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253 TEST(file_test, size) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
254 std::string content = "top secret, destroy before reading";
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
255 write_file("temp", content);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
256 file f("temp", file::RDONLY);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
257 EXPECT_GE(f.size(), 0);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
258 EXPECT_EQ(content.size(), static_cast<unsigned long long>(f.size()));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
259 # ifdef _WIN32
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
260 auto error_code = std::error_code();
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
261 fstat_sim = error;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
262 try {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
263 f.size();
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
264 } catch (const std::system_error& e) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
265 error_code = e.code();
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
266 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
267 fstat_sim = none;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
268 EXPECT_EQ(error_code,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
269 std::error_code(ERROR_ACCESS_DENIED, fmt::system_category()));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
270 # else
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
271 f.close();
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Paper <paper@paper.us.eu.org>
parents:
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272 EXPECT_SYSTEM_ERROR(f.size(), EBADF, "cannot get file attributes");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
273 # endif
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
274 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
275
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
276 TEST(file_test, max_size) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
277 write_file("temp", "");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
278 file f("temp", file::RDONLY);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
279 fstat_sim = max_size;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
280 EXPECT_GE(f.size(), 0);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
281 EXPECT_EQ(max_file_size(), f.size());
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
282 fstat_sim = none;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
283 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
284
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
285 TEST(file_test, read_retry) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
286 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
287 file::pipe(read_end, write_end);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
288 enum { SIZE = 4 };
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
289 write_end.write("test", SIZE);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
290 write_end.close();
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
291 char buffer[SIZE];
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
292 size_t count = 0;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
293 EXPECT_RETRY(count = read_end.read(buffer, SIZE), read,
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
294 "cannot read from file");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
295 EXPECT_EQ_POSIX(static_cast<std::streamsize>(SIZE), count);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
296 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
297
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
298 TEST(file_test, write_retry) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
299 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
300 file::pipe(read_end, write_end);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
301 enum { SIZE = 4 };
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
302 size_t count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
303 EXPECT_RETRY(count = write_end.write("test", SIZE), write,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
304 "cannot write to file");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
305 write_end.close();
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
306 # ifndef _WIN32
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
307 EXPECT_EQ(static_cast<std::streamsize>(SIZE), count);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
308 char buffer[SIZE + 1];
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
309 read_end.read(buffer, SIZE);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
310 buffer[SIZE] = '\0';
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
311 EXPECT_STREQ("test", buffer);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
312 # endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
313 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
314
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
315 # ifdef _WIN32
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
316 TEST(file_test, convert_read_count) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
317 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
318 file::pipe(read_end, write_end);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
319 char c;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
320 size_t size = UINT_MAX;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
321 if (sizeof(unsigned) != sizeof(size_t)) ++size;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
322 read_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
323 read_nbyte = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
324 EXPECT_THROW(read_end.read(&c, size), std::system_error);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
325 read_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
326 EXPECT_EQ(UINT_MAX, read_nbyte);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
327 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
328
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
329 TEST(file_test, convert_write_count) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
330 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
331 file::pipe(read_end, write_end);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
332 char c;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
333 size_t size = UINT_MAX;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
334 if (sizeof(unsigned) != sizeof(size_t)) ++size;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
335 write_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
336 write_nbyte = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
337 EXPECT_THROW(write_end.write(&c, size), std::system_error);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
338 write_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
339 EXPECT_EQ(UINT_MAX, write_nbyte);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
340 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
341 # endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
342
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
343 TEST(file_test, dup_no_retry) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
344 int stdout_fd = FMT_POSIX(fileno(stdout));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
345 dup_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
346 EXPECT_SYSTEM_ERROR(
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
347 file::dup(stdout_fd), EINTR,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
348 fmt::format("cannot duplicate file descriptor {}", stdout_fd));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
349 dup_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
350 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
351
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
352 TEST(file_test, dup2_retry) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
353 int stdout_fd = FMT_POSIX(fileno(stdout));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
354 file f1 = file::dup(stdout_fd), f2 = file::dup(stdout_fd);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
355 EXPECT_RETRY(f1.dup2(f2.descriptor()), dup2,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
356 fmt::format("cannot duplicate file descriptor {} to {}",
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
357 f1.descriptor(), f2.descriptor()));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
358 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
359
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
360 TEST(file_test, dup2_no_except_retry) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
361 int stdout_fd = FMT_POSIX(fileno(stdout));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
362 file f1 = file::dup(stdout_fd), f2 = file::dup(stdout_fd);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
363 std::error_code ec;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
364 dup2_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
365 f1.dup2(f2.descriptor(), ec);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
366 # ifndef _WIN32
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
367 EXPECT_EQ(4, dup2_count);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
368 # else
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
369 EXPECT_EQ(EINTR, ec.value());
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
370 # endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
371 dup2_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
372 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
373
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
374 TEST(file_test, pipe_no_retry) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
375 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
376 pipe_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
377 EXPECT_SYSTEM_ERROR(file::pipe(read_end, write_end), EINTR,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
378 "cannot create pipe");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
379 pipe_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
380 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
381
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
382 TEST(file_test, fdopen_no_retry) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
383 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
384 file::pipe(read_end, write_end);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
385 fdopen_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
386 EXPECT_SYSTEM_ERROR(read_end.fdopen("r"), EINTR,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
387 "cannot associate stream with file descriptor");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
388 fdopen_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
389 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
390
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
391 TEST(buffered_file_test, open_retry) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
392 write_file("temp", "there must be something here");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
393 std::unique_ptr<buffered_file> f{nullptr};
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
394 EXPECT_RETRY(f.reset(new buffered_file("temp", "r")), fopen,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
395 "cannot open file temp");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
396 # ifndef _WIN32
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
397 char c = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
398 if (fread(&c, 1, 1, f->get()) < 1)
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
399 throw fmt::system_error(errno, "fread failed");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
400 # endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
401 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
402
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
403 TEST(buffered_file_test, close_no_retry_in_dtor) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
404 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
405 file::pipe(read_end, write_end);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
406 std::unique_ptr<buffered_file> f(new buffered_file(read_end.fdopen("r")));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
407 int saved_fclose_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
408 EXPECT_WRITE(
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
409 stderr,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
410 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
411 fclose_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
412 f.reset(nullptr);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
413 saved_fclose_count = fclose_count;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
414 fclose_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
415 },
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
416 system_error_message(EINTR, "cannot close file") + "\n");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
417 EXPECT_EQ(2, saved_fclose_count);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
418 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
419
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
420 TEST(buffered_file_test, close_no_retry) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
421 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
422 file::pipe(read_end, write_end);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
423 buffered_file f = read_end.fdopen("r");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
424 fclose_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
425 EXPECT_SYSTEM_ERROR(f.close(), EINTR, "cannot close file");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
426 EXPECT_EQ(2, fclose_count);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
427 fclose_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
428 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
429
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
430 TEST(buffered_file_test, fileno_no_retry) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
431 file read_end, write_end;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
432 file::pipe(read_end, write_end);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
433 buffered_file f = read_end.fdopen("r");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
434 fileno_count = 1;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
435 EXPECT_SYSTEM_ERROR((f.descriptor)(), EINTR, "cannot get file descriptor");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
436 EXPECT_EQ(2, fileno_count);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
437 fileno_count = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
438 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
439 #endif // FMT_USE_FCNTL
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
440
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
441 struct test_mock {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
442 static test_mock* instance;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
443 } * test_mock::instance;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
444
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
445 TEST(scoped_mock, scope) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
446 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
447 scoped_mock<test_mock> mock;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
448 EXPECT_EQ(&mock, test_mock::instance);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
449 test_mock& copy = mock;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
450 static_cast<void>(copy);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
451 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
452 EXPECT_EQ(nullptr, test_mock::instance);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
453 }