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annotate dep/fmt/test/std-test.cc @ 367:8d45d892be88 default tip

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*: instead of pugixml, use Qt XML features this means we have one extra Qt dependency though...
author Paper <paper@tflc.us>
date Sun, 17 Nov 2024 22:55:47 -0500
parents 1faa72660932
children
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343
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Paper <paper@paper.us.eu.org>
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1 // Formatting library for C++ - tests of formatters for standard library types
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Paper <paper@paper.us.eu.org>
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2 //
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Paper <paper@paper.us.eu.org>
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3 // Copyright (c) 2012 - present, Victor Zverovich
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Paper <paper@paper.us.eu.org>
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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 #include "fmt/std.h"
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9
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10 #include <bitset>
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11 #include <stdexcept>
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12 #include <string>
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13 #include <vector>
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14
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15 #include "fmt/os.h" // fmt::system_category
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16 #include "fmt/ranges.h"
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17 #include "gtest-extra.h" // StartsWith
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18
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19 #ifdef __cpp_lib_filesystem
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20 TEST(std_test, path) {
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21 using std::filesystem::path;
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22 EXPECT_EQ(fmt::format("{}", path("/usr/bin")), "/usr/bin");
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23 EXPECT_EQ(fmt::format("{:?}", path("/usr/bin")), "\"/usr/bin\"");
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24 EXPECT_EQ(fmt::format("{:8}", path("foo")), "foo ");
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25
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26 EXPECT_EQ(fmt::format("{}", path("foo\"bar")), "foo\"bar");
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27 EXPECT_EQ(fmt::format("{:?}", path("foo\"bar")), "\"foo\\\"bar\"");
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28
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29 EXPECT_EQ(fmt::format("{:g}", path("/usr/bin")), "/usr/bin");
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30 # ifdef _WIN32
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31 EXPECT_EQ(fmt::format("{}", path("C:\\foo")), "C:\\foo");
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32 EXPECT_EQ(fmt::format("{:g}", path("C:\\foo")), "C:/foo");
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33
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34 EXPECT_EQ(fmt::format("{}", path(L"\x0428\x0447\x0443\x0447\x044B\x043D\x0448"
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35 L"\x0447\x044B\x043D\x0430")),
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36 "Шчучыншчына");
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37 EXPECT_EQ(fmt::format("{}", path(L"\xd800")), "�");
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38 EXPECT_EQ(fmt::format("{:?}", path(L"\xd800")), "\"\\ud800\"");
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39 # endif
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40 }
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41
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42 // Test ambiguity problem described in #2954.
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43 TEST(ranges_std_test, format_vector_path) {
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44 auto p = std::filesystem::path("foo/bar.txt");
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45 auto c = std::vector<std::string>{"abc", "def"};
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46 EXPECT_EQ(fmt::format("path={}, range={}", p, c),
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47 "path=foo/bar.txt, range=[\"abc\", \"def\"]");
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48 }
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49
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50 // Test that path is not escaped twice in the debug mode.
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51 TEST(ranges_std_test, format_quote_path) {
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52 auto vec =
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53 std::vector<std::filesystem::path>{"path1/file1.txt", "path2/file2.txt"};
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54 EXPECT_EQ(fmt::format("{}", vec),
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55 "[\"path1/file1.txt\", \"path2/file2.txt\"]");
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56 # ifdef __cpp_lib_optional
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57 auto o = std::optional<std::filesystem::path>("path/file.txt");
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58 EXPECT_EQ(fmt::format("{}", o), "optional(\"path/file.txt\")");
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59 EXPECT_EQ(fmt::format("{:?}", o), "optional(\"path/file.txt\")");
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60 # endif
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61 }
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62 #endif
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63
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64 TEST(std_test, thread_id) {
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65 EXPECT_FALSE(fmt::format("{}", std::this_thread::get_id()).empty());
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66 }
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67
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68 #ifdef __cpp_lib_source_location
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69 TEST(std_test, source_location) {
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70 std::source_location loc = std::source_location::current();
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71 EXPECT_EQ(fmt::format("{}", loc),
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72 fmt::format("{}:{}:{}: {}", loc.file_name(), loc.line(),
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73 loc.column(), loc.function_name()));
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74 }
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75 #endif
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76
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77 TEST(std_test, optional) {
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78 #ifdef __cpp_lib_optional
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79 EXPECT_EQ(fmt::format("{}", std::optional<int>{}), "none");
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80 EXPECT_EQ(fmt::format("{}", std::pair{1, "second"}), "(1, \"second\")");
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81 EXPECT_EQ(fmt::format("{}", std::vector{std::optional{1}, std::optional{2},
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82 std::optional{3}}),
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83 "[optional(1), optional(2), optional(3)]");
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84 EXPECT_EQ(
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85 fmt::format("{}", std::optional<std::optional<const char*>>{{"nested"}}),
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86 "optional(optional(\"nested\"))");
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87 EXPECT_EQ(
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88 fmt::format("{:<{}}", std::optional{std::string{"left aligned"}}, 30),
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89 "optional(\"left aligned\" )");
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90 EXPECT_EQ(
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91 fmt::format("{::d}", std::optional{std::vector{'h', 'e', 'l', 'l', 'o'}}),
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92 "optional([104, 101, 108, 108, 111])");
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93 EXPECT_EQ(fmt::format("{}", std::optional{std::string{"string"}}),
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94 "optional(\"string\")");
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95 EXPECT_EQ(fmt::format("{}", std::optional{'C'}), "optional(\'C\')");
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96 EXPECT_EQ(fmt::format("{:.{}f}", std::optional{3.14}, 1), "optional(3.1)");
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97
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98 struct unformattable {};
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99 EXPECT_FALSE((fmt::is_formattable<unformattable>::value));
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100 EXPECT_FALSE((fmt::is_formattable<std::optional<unformattable>>::value));
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101 EXPECT_TRUE((fmt::is_formattable<std::optional<int>>::value));
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102 #endif
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103 }
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104
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105 namespace my_nso {
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106 enum class my_number {
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107 one,
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108 two,
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109 };
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110 auto format_as(my_number number) -> fmt::string_view {
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111 return number == my_number::one ? "first" : "second";
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112 }
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113
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114 class my_class {
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115 public:
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116 int av;
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117
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118 private:
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119 friend auto format_as(const my_class& elm) -> std::string {
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120 return fmt::to_string(elm.av);
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121 }
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122 };
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123 } // namespace my_nso
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124 TEST(std_test, optional_format_as) {
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125 #ifdef __cpp_lib_optional
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126 EXPECT_EQ(fmt::format("{}", std::optional<my_nso::my_number>{}), "none");
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127 EXPECT_EQ(fmt::format("{}", std::optional{my_nso::my_number::one}),
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128 "optional(\"first\")");
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129 EXPECT_EQ(fmt::format("{}", std::optional<my_nso::my_class>{}), "none");
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130 EXPECT_EQ(fmt::format("{}", std::optional{my_nso::my_class{7}}),
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131 "optional(\"7\")");
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132 #endif
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133 }
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134
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135 struct throws_on_move {
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136 throws_on_move() = default;
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137
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138 [[noreturn]] throws_on_move(throws_on_move&&) {
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139 throw std::runtime_error("Thrown by throws_on_move");
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140 }
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141
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142 throws_on_move(const throws_on_move&) = default;
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143 };
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
144
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
145 namespace fmt {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
146 template <> struct formatter<throws_on_move> : formatter<string_view> {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
147 auto format(const throws_on_move&, format_context& ctx) const
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
148 -> decltype(ctx.out()) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
149 string_view str("<throws_on_move>");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
150 return formatter<string_view>::format(str, ctx);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
151 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
152 };
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
153 } // namespace fmt
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
154
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
155 TEST(std_test, variant) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
156 #ifdef __cpp_lib_variant
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
157 EXPECT_EQ(fmt::format("{}", std::monostate{}), "monostate");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
158 using V0 = std::variant<int, float, std::string, char>;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
159 V0 v0(42);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
160 V0 v1(1.5f);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
161 V0 v2("hello");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
162 V0 v3('i');
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
163 EXPECT_EQ(fmt::format("{}", v0), "variant(42)");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
164 EXPECT_EQ(fmt::format("{}", v1), "variant(1.5)");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
165 EXPECT_EQ(fmt::format("{}", v2), "variant(\"hello\")");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
166 EXPECT_EQ(fmt::format("{}", v3), "variant('i')");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
167
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
168 struct unformattable {};
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
169 EXPECT_FALSE((fmt::is_formattable<unformattable>::value));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
170 EXPECT_FALSE((fmt::is_formattable<std::variant<unformattable>>::value));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
171 EXPECT_FALSE((fmt::is_formattable<std::variant<unformattable, int>>::value));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
172 EXPECT_FALSE((fmt::is_formattable<std::variant<int, unformattable>>::value));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
173 EXPECT_FALSE(
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
174 (fmt::is_formattable<std::variant<unformattable, unformattable>>::value));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
175 EXPECT_TRUE((fmt::is_formattable<std::variant<int, float>>::value));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
176
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
177 using V1 = std::variant<std::monostate, std::string, std::string>;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
178 V1 v4{};
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
179 V1 v5{std::in_place_index<1>, "yes, this is variant"};
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
180
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
181 EXPECT_EQ(fmt::format("{}", v4), "variant(monostate)");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
182 EXPECT_EQ(fmt::format("{}", v5), "variant(\"yes, this is variant\")");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
183
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
184 volatile int i = 42; // Test compile error before GCC 11 described in #3068.
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
185 EXPECT_EQ(fmt::format("{}", i), "42");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
186
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
187 std::variant<std::monostate, throws_on_move> v6;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
188
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
189 try {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
190 throws_on_move thrower;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
191 v6.emplace<throws_on_move>(std::move(thrower));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
192 } catch (const std::runtime_error&) {
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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 // v6 is now valueless by exception
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
195
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
196 EXPECT_EQ(fmt::format("{}", v6), "variant(valueless by exception)");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
197
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
198 #endif
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Paper <paper@paper.us.eu.org>
parents:
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199 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
200
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
201 TEST(std_test, error_code) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
202 EXPECT_EQ("generic:42",
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
203 fmt::format(FMT_STRING("{0}"),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
204 std::error_code(42, std::generic_category())));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
205 EXPECT_EQ("system:42",
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
206 fmt::format(FMT_STRING("{0}"),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
207 std::error_code(42, fmt::system_category())));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
208 EXPECT_EQ("system:-42",
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
209 fmt::format(FMT_STRING("{0}"),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
210 std::error_code(-42, fmt::system_category())));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
211 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
212
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
213 template <typename Catch> void exception_test() {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
214 try {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
215 throw std::runtime_error("Test Exception");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
216 } catch (const Catch& ex) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
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217 EXPECT_EQ("Test Exception", fmt::format("{}", ex));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
218 EXPECT_EQ("std::runtime_error: Test Exception", fmt::format("{:t}", ex));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
219 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
220 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
221
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
222 namespace my_ns1 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
223 namespace my_ns2 {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
224 struct my_exception : public std::exception {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
225 private:
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
226 std::string msg;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
227
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
228 public:
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
229 my_exception(const std::string& s) : msg(s) {}
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
230 const char* what() const noexcept override;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
231 };
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
232 const char* my_exception::what() const noexcept { return msg.c_str(); }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
233 } // namespace my_ns2
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
234 } // namespace my_ns1
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Paper <paper@paper.us.eu.org>
parents:
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235
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
236 TEST(std_test, exception) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
237 using testing::StartsWith;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
238 exception_test<std::exception>();
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
239 exception_test<std::runtime_error>();
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
240
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
241 try {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
242 using namespace my_ns1::my_ns2;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
243 throw my_exception("My Exception");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
244 } catch (const std::exception& ex) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
245 EXPECT_EQ("my_ns1::my_ns2::my_exception: My Exception",
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
246 fmt::format("{:t}", ex));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
247 EXPECT_EQ("My Exception", fmt::format("{:}", ex));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
248 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
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249
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
250 try {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
251 throw std::system_error(std::error_code(), "message");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
252 } catch (const std::system_error& ex) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
253 EXPECT_THAT(fmt::format("{:t}", ex), StartsWith("std::system_error: "));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
254 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
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255
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
256 #ifdef __cpp_lib_filesystem
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
257 // Tests that the inline namespace is stripped out, e.g.
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
258 // std::filesystem::__cxx11::* -> std::filesystem::*.
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
259 try {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
260 throw std::filesystem::filesystem_error("message", std::error_code());
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
261 } catch (const std::filesystem::filesystem_error& ex) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
262 EXPECT_THAT(fmt::format("{:t}", ex),
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
263 StartsWith("std::filesystem::filesystem_error: "));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
264 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
265 #endif
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
266 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
267
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
268 TEST(std_test, format_bit_reference) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
269 std::bitset<2> bs(1);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
270 EXPECT_EQ(fmt::format("{} {}", bs[0], bs[1]), "true false");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
271 std::vector<bool> v = {true, false};
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
272 EXPECT_EQ(fmt::format("{} {}", v[0], v[1]), "true false");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
273 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
274
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
275 TEST(std_test, format_const_bit_reference) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
276 const std::bitset<2> bs(1);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
277 EXPECT_EQ(fmt::format("{} {}", bs[0], bs[1]), "true false");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
278 const std::vector<bool> v = {true, false};
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
279 EXPECT_EQ(fmt::format("{} {}", v[0], v[1]), "true false");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
280 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
281
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
282 TEST(std_test, format_bitset) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
283 auto bs = std::bitset<6>(42);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
284 EXPECT_EQ(fmt::format("{}", bs), "101010");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
285 EXPECT_EQ(fmt::format("{:0>8}", bs), "00101010");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
286 EXPECT_EQ(fmt::format("{:-^12}", bs), "---101010---");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
287 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
288
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
289 TEST(std_test, format_atomic) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
290 std::atomic<bool> b(false);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
291 EXPECT_EQ(fmt::format("{}", b), "false");
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292
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293 const std::atomic<bool> cb(true);
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294 EXPECT_EQ(fmt::format("{}", cb), "true");
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295 }
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296
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297 #ifdef __cpp_lib_atomic_flag_test
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298 TEST(std_test, format_atomic_flag) {
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299 std::atomic_flag f = ATOMIC_FLAG_INIT;
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300 (void)f.test_and_set();
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301 EXPECT_EQ(fmt::format("{}", f), "true");
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302
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303 const std::atomic_flag cf = ATOMIC_FLAG_INIT;
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304 EXPECT_EQ(fmt::format("{}", cf), "false");
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305 }
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306 #endif // __cpp_lib_atomic_flag_test