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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++ - ranges tests
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2 //
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3 // Copyright (c) 2012 - present, Victor Zverovich and {fmt} contributors
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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/ranges.h"
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9
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10 #include <list>
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11 #include <map>
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12 #include <numeric>
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13 #include <queue>
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14 #include <stack>
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15 #include <string>
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16 #include <utility>
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17 #include <vector>
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18
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19 #if FMT_HAS_INCLUDE(<ranges>)
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20 # include <ranges>
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21 #endif
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22
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23 #include "gtest/gtest.h"
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24
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25 #if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 601
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26 # define FMT_RANGES_TEST_ENABLE_C_STYLE_ARRAY
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27 #endif
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28
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29 #if !FMT_MSC_VERSION || FMT_MSC_VERSION > 1910
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30 # define FMT_RANGES_TEST_ENABLE_JOIN
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31 # define FMT_RANGES_TEST_ENABLE_FORMAT_STRUCT
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32 #endif
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33
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34 #ifdef FMT_RANGES_TEST_ENABLE_C_STYLE_ARRAY
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35 TEST(ranges_test, format_array) {
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36 int arr[] = {1, 2, 3, 5, 7, 11};
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37 EXPECT_EQ(fmt::format("{}", arr), "[1, 2, 3, 5, 7, 11]");
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38 }
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39
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40 TEST(ranges_test, format_2d_array) {
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41 int arr[][2] = {{1, 2}, {3, 5}, {7, 11}};
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42 EXPECT_EQ(fmt::format("{}", arr), "[[1, 2], [3, 5], [7, 11]]");
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43 }
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44
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45 TEST(ranges_test, format_array_of_literals) {
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46 const char* arr[] = {"1234", "abcd"};
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47 EXPECT_EQ(fmt::format("{}", arr), "[\"1234\", \"abcd\"]");
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48 EXPECT_EQ(fmt::format("{:n}", arr), "\"1234\", \"abcd\"");
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49 EXPECT_EQ(fmt::format("{:n:}", arr), "1234, abcd");
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50 }
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51 #endif // FMT_RANGES_TEST_ENABLE_C_STYLE_ARRAY
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52
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53 TEST(ranges_test, format_vector) {
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54 auto v = std::vector<int>{1, 2, 3, 5, 7, 11};
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55 EXPECT_EQ(fmt::format("{}", v), "[1, 2, 3, 5, 7, 11]");
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56 EXPECT_EQ(fmt::format("{::#x}", v), "[0x1, 0x2, 0x3, 0x5, 0x7, 0xb]");
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57 EXPECT_EQ(fmt::format("{:n:#x}", v), "0x1, 0x2, 0x3, 0x5, 0x7, 0xb");
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58
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59 auto vc = std::vector<char>{'a', 'b', 'c'};
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60 auto vvc = std::vector<std::vector<char>>{vc, vc};
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61 EXPECT_EQ(fmt::format("{}", vc), "['a', 'b', 'c']");
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62 EXPECT_EQ(fmt::format("{}", vvc), "[['a', 'b', 'c'], ['a', 'b', 'c']]");
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63 EXPECT_EQ(fmt::format("{:n}", vvc), "['a', 'b', 'c'], ['a', 'b', 'c']");
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64 EXPECT_EQ(fmt::format("{:n:n}", vvc), "'a', 'b', 'c', 'a', 'b', 'c'");
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65 EXPECT_EQ(fmt::format("{:n:n:}", vvc), "a, b, c, a, b, c");
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66 }
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67
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68 TEST(ranges_test, format_nested_vector) {
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69 auto v = std::vector<std::vector<int>>{{1, 2}, {3, 5}, {7, 11}};
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70 EXPECT_EQ(fmt::format("{}", v), "[[1, 2], [3, 5], [7, 11]]");
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71 EXPECT_EQ(fmt::format("{:::#x}", v), "[[0x1, 0x2], [0x3, 0x5], [0x7, 0xb]]");
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72 EXPECT_EQ(fmt::format("{:n:n:#x}", v), "0x1, 0x2, 0x3, 0x5, 0x7, 0xb");
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73 }
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74
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75 TEST(ranges_test, to_string_vector) {
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76 auto v = std::vector<std::string>{"a", "b", "c"};
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77 EXPECT_EQ(fmt::to_string(v), "[\"a\", \"b\", \"c\"]");
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78 }
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79
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80 TEST(ranges_test, format_map) {
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81 auto m = std::map<std::string, int>{{"one", 1}, {"two", 2}};
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82 EXPECT_EQ(fmt::format("{}", m), "{\"one\": 1, \"two\": 2}");
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83 EXPECT_EQ(fmt::format("{:n}", m), "\"one\": 1, \"two\": 2");
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84 }
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85
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86 TEST(ranges_test, format_set) {
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87 EXPECT_EQ(fmt::format("{}", std::set<std::string>{"one", "two"}),
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88 "{\"one\", \"two\"}");
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89 }
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90
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91 // Models std::flat_set close enough to test if no ambiguous lookup of a
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92 // formatter happens due to the flat_set type matching is_set and
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93 // is_container_adaptor_like.
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94 template <typename T> class flat_set {
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95 public:
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96 using key_type = T;
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97 using container_type = std::vector<T>;
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98
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99 using iterator = typename std::vector<T>::iterator;
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100 using const_iterator = typename std::vector<T>::const_iterator;
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101
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102 template <typename... Ts>
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103 explicit flat_set(Ts&&... args) : c{std::forward<Ts>(args)...} {}
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104
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105 auto begin() -> iterator { return c.begin(); }
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106 auto end() -> iterator { return c.end(); }
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107
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108 auto begin() const -> const_iterator { return c.begin(); }
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109 auto end() const -> const_iterator { return c.end(); }
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110
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111 private:
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112 std::vector<T> c;
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113 };
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114
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115 TEST(ranges_test, format_flat_set) {
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116 EXPECT_EQ(fmt::format("{}", flat_set<std::string>{"one", "two"}),
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117 "{\"one\", \"two\"}");
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118 }
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119
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120 namespace adl {
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121 struct box {
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122 int value;
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123 };
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124
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125 auto begin(const box& b) -> const int* { return &b.value; }
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126 auto end(const box& b) -> const int* { return &b.value + 1; }
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127 } // namespace adl
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128
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129 TEST(ranges_test, format_adl_begin_end) {
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130 auto b = adl::box{42};
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131 EXPECT_EQ(fmt::format("{}", b), "[42]");
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132 }
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133
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134 TEST(ranges_test, format_pair) {
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135 auto p = std::pair<int, float>(42, 1.5f);
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136 EXPECT_EQ(fmt::format("{}", p), "(42, 1.5)");
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137 }
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138
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139 struct unformattable {};
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140
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141 TEST(ranges_test, format_tuple) {
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142 auto t =
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143 std::tuple<int, float, std::string, char>(42, 1.5f, "this is tuple", 'i');
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144 EXPECT_EQ(fmt::format("{}", t), "(42, 1.5, \"this is tuple\", 'i')");
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145
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parents:
diff changeset
146 EXPECT_EQ(fmt::format("{}", std::tuple<>()), "()");
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parents:
diff changeset
147
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148 EXPECT_TRUE((fmt::is_formattable<std::tuple<>>::value));
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parents:
diff changeset
149 EXPECT_FALSE((fmt::is_formattable<unformattable>::value));
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parents:
diff changeset
150 EXPECT_FALSE((fmt::is_formattable<std::tuple<unformattable>>::value));
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parents:
diff changeset
151 EXPECT_FALSE((fmt::is_formattable<std::tuple<unformattable, int>>::value));
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152 EXPECT_FALSE((fmt::is_formattable<std::tuple<int, unformattable>>::value));
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diff changeset
153 EXPECT_FALSE(
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154 (fmt::is_formattable<std::tuple<unformattable, unformattable>>::value));
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diff changeset
155 EXPECT_TRUE((fmt::is_formattable<std::tuple<int, float>>::value));
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156 }
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parents:
diff changeset
157
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Paper <paper@paper.us.eu.org>
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158 struct not_default_formattable {};
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Paper <paper@paper.us.eu.org>
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159 struct bad_format {};
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Paper <paper@paper.us.eu.org>
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160
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Paper <paper@paper.us.eu.org>
parents:
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161 FMT_BEGIN_NAMESPACE
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Paper <paper@paper.us.eu.org>
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162 template <> struct formatter<not_default_formattable> {
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Paper <paper@paper.us.eu.org>
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163 auto parse(format_parse_context&) -> const char* { throw bad_format(); }
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164 auto format(not_default_formattable, format_context& ctx)
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165 -> format_context::iterator {
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166 return ctx.out();
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167 }
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168 };
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169 FMT_END_NAMESPACE
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170
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171 TEST(ranges_test, tuple_parse_calls_element_parse) {
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172 auto f = fmt::formatter<std::tuple<not_default_formattable>>();
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173 auto ctx = fmt::format_parse_context("");
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174 EXPECT_THROW(f.parse(ctx), bad_format);
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Paper <paper@paper.us.eu.org>
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175 }
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176
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177 #ifdef FMT_RANGES_TEST_ENABLE_FORMAT_STRUCT
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178 struct tuple_like {
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179 int i;
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Paper <paper@paper.us.eu.org>
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180 std::string str;
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181
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182 template <size_t N>
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183 auto get() const noexcept -> fmt::enable_if_t<N == 0, int> {
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184 return i;
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Paper <paper@paper.us.eu.org>
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185 }
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Paper <paper@paper.us.eu.org>
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186 template <size_t N>
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187 auto get() const noexcept -> fmt::enable_if_t<N == 1, fmt::string_view> {
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188 return str;
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Paper <paper@paper.us.eu.org>
parents:
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189 }
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Paper <paper@paper.us.eu.org>
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190 };
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191
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Paper <paper@paper.us.eu.org>
parents:
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192 template <size_t N>
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193 auto get(const tuple_like& t) noexcept -> decltype(t.get<N>()) {
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194 return t.get<N>();
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195 }
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196
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Paper <paper@paper.us.eu.org>
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197 namespace std {
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Paper <paper@paper.us.eu.org>
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198 template <>
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Paper <paper@paper.us.eu.org>
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199 struct tuple_size<tuple_like> : std::integral_constant<size_t, 2> {};
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200
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Paper <paper@paper.us.eu.org>
parents:
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201 template <size_t N> struct tuple_element<N, tuple_like> {
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parents:
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202 using type = decltype(std::declval<tuple_like>().get<N>());
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203 };
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Paper <paper@paper.us.eu.org>
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204 } // namespace std
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205
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206 TEST(ranges_test, format_struct) {
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207 auto t = tuple_like{42, "foo"};
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208 EXPECT_EQ(fmt::format("{}", t), "(42, \"foo\")");
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209 }
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Paper <paper@paper.us.eu.org>
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210 #endif // FMT_RANGES_TEST_ENABLE_FORMAT_STRUCT
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211
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Paper <paper@paper.us.eu.org>
parents:
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212 TEST(ranges_test, format_to) {
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Paper <paper@paper.us.eu.org>
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213 char buf[10];
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Paper <paper@paper.us.eu.org>
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214 auto end = fmt::format_to(buf, "{}", std::vector<int>{1, 2, 3});
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215 *end = '\0';
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Paper <paper@paper.us.eu.org>
parents:
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216 EXPECT_STREQ(buf, "[1, 2, 3]");
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Paper <paper@paper.us.eu.org>
parents:
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217 }
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Paper <paper@paper.us.eu.org>
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218
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Paper <paper@paper.us.eu.org>
parents:
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219 template <typename Char> struct path_like {
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Paper <paper@paper.us.eu.org>
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220 auto begin() const -> const path_like*;
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Paper <paper@paper.us.eu.org>
parents:
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221 auto end() const -> const path_like*;
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Paper <paper@paper.us.eu.org>
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222
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Paper <paper@paper.us.eu.org>
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223 operator std::basic_string<Char>() const;
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Paper <paper@paper.us.eu.org>
parents:
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224 };
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Paper <paper@paper.us.eu.org>
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225
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Paper <paper@paper.us.eu.org>
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226 TEST(ranges_test, disabled_range_formatting_of_path) {
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Paper <paper@paper.us.eu.org>
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227 // Range formatting of path is disabled because of infinite recursion
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Paper <paper@paper.us.eu.org>
parents:
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228 // (path element is itself a path).
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Paper <paper@paper.us.eu.org>
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229 EXPECT_EQ((fmt::range_format_kind<path_like<char>, char>::value),
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Paper <paper@paper.us.eu.org>
parents:
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230 fmt::range_format::disabled);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
231 EXPECT_EQ((fmt::range_format_kind<path_like<wchar_t>, char>::value),
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Paper <paper@paper.us.eu.org>
parents:
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232 fmt::range_format::disabled);
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Paper <paper@paper.us.eu.org>
parents:
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233 }
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Paper <paper@paper.us.eu.org>
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234
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Paper <paper@paper.us.eu.org>
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235 // A range that provides non-const only begin()/end() to test fmt::join
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Paper <paper@paper.us.eu.org>
parents:
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236 // handles that.
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Paper <paper@paper.us.eu.org>
parents:
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237 //
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Paper <paper@paper.us.eu.org>
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238 // Some ranges (e.g. those produced by range-v3's views::filter()) can cache
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Paper <paper@paper.us.eu.org>
parents:
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239 // information during iteration so they only provide non-const begin()/end().
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
240 template <typename T> class non_const_only_range {
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Paper <paper@paper.us.eu.org>
parents:
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241 private:
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Paper <paper@paper.us.eu.org>
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242 std::vector<T> vec;
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Paper <paper@paper.us.eu.org>
parents:
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243
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Paper <paper@paper.us.eu.org>
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244 public:
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Paper <paper@paper.us.eu.org>
parents:
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245 using const_iterator = typename ::std::vector<T>::const_iterator;
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Paper <paper@paper.us.eu.org>
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246
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Paper <paper@paper.us.eu.org>
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diff changeset
247 template <typename... Args>
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Paper <paper@paper.us.eu.org>
parents:
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248 explicit non_const_only_range(Args&&... args)
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Paper <paper@paper.us.eu.org>
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249 : vec(std::forward<Args>(args)...) {}
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Paper <paper@paper.us.eu.org>
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250
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Paper <paper@paper.us.eu.org>
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251 auto begin() -> const_iterator { return vec.begin(); }
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Paper <paper@paper.us.eu.org>
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252 auto end() -> const_iterator { return vec.end(); }
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Paper <paper@paper.us.eu.org>
parents:
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253 };
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Paper <paper@paper.us.eu.org>
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254
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Paper <paper@paper.us.eu.org>
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255 template <typename T> class noncopyable_range {
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Paper <paper@paper.us.eu.org>
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256 private:
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Paper <paper@paper.us.eu.org>
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257 std::vector<T> vec;
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Paper <paper@paper.us.eu.org>
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258
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259 public:
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Paper <paper@paper.us.eu.org>
parents:
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260 using iterator = typename ::std::vector<T>::iterator;
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Paper <paper@paper.us.eu.org>
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261
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Paper <paper@paper.us.eu.org>
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262 template <typename... Args>
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Paper <paper@paper.us.eu.org>
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263 explicit noncopyable_range(Args&&... args)
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Paper <paper@paper.us.eu.org>
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264 : vec(std::forward<Args>(args)...) {}
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Paper <paper@paper.us.eu.org>
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265
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Paper <paper@paper.us.eu.org>
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266 noncopyable_range(noncopyable_range const&) = delete;
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Paper <paper@paper.us.eu.org>
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267 noncopyable_range(noncopyable_range&) = delete;
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268
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269 auto begin() -> iterator { return vec.begin(); }
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270 auto end() -> iterator { return vec.end(); }
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271 };
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272
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Paper <paper@paper.us.eu.org>
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273 TEST(ranges_test, range) {
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274 auto&& w = noncopyable_range<int>(3u, 0);
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Paper <paper@paper.us.eu.org>
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275 EXPECT_EQ(fmt::format("{}", w), "[0, 0, 0]");
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276 EXPECT_EQ(fmt::format("{}", noncopyable_range<int>(3u, 0)), "[0, 0, 0]");
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277
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Paper <paper@paper.us.eu.org>
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278 auto x = non_const_only_range<int>(3u, 0);
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Paper <paper@paper.us.eu.org>
parents:
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279 EXPECT_EQ(fmt::format("{}", x), "[0, 0, 0]");
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Paper <paper@paper.us.eu.org>
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280 EXPECT_EQ(fmt::format("{}", non_const_only_range<int>(3u, 0)), "[0, 0, 0]");
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Paper <paper@paper.us.eu.org>
parents:
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281
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Paper <paper@paper.us.eu.org>
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282 auto y = std::vector<int>(3u, 0);
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Paper <paper@paper.us.eu.org>
parents:
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283 EXPECT_EQ(fmt::format("{}", y), "[0, 0, 0]");
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Paper <paper@paper.us.eu.org>
parents:
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284 EXPECT_EQ(fmt::format("{}", std::vector<int>(3u, 0)), "[0, 0, 0]");
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Paper <paper@paper.us.eu.org>
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285
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Paper <paper@paper.us.eu.org>
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286 const auto z = std::vector<int>(3u, 0);
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Paper <paper@paper.us.eu.org>
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287 EXPECT_EQ(fmt::format("{}", z), "[0, 0, 0]");
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Paper <paper@paper.us.eu.org>
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288 }
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Paper <paper@paper.us.eu.org>
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289
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
290 enum test_enum { foo };
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Paper <paper@paper.us.eu.org>
parents:
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291 auto format_as(test_enum e) -> int { return e; }
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Paper <paper@paper.us.eu.org>
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292
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
293 TEST(ranges_test, enum_range) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
294 auto v = std::vector<test_enum>{test_enum::foo};
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
295 EXPECT_EQ(fmt::format("{}", v), "[0]");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
296 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
297
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
298 #if !FMT_MSC_VERSION
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
299 TEST(ranges_test, unformattable_range) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
300 EXPECT_FALSE((fmt::has_formatter<std::vector<unformattable>,
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
301 fmt::format_context>::value));
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
302 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
303 #endif
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
304
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
305 #ifdef FMT_RANGES_TEST_ENABLE_JOIN
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
306 TEST(ranges_test, join_tuple) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
307 // Value tuple args.
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
308 auto t1 = std::tuple<char, int, float>('a', 1, 2.0f);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
309 EXPECT_EQ(fmt::format("({})", fmt::join(t1, ", ")), "(a, 1, 2)");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
310
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
311 // Testing lvalue tuple args.
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
312 int x = 4;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
313 auto t2 = std::tuple<char, int&>('b', x);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
314 EXPECT_EQ(fmt::format("{}", fmt::join(t2, " + ")), "b + 4");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
315
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
316 // Empty tuple.
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
317 auto t3 = std::tuple<>();
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
318 EXPECT_EQ(fmt::format("{}", fmt::join(t3, "|")), "");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
319
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
320 // Single element tuple.
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
321 auto t4 = std::tuple<float>(4.0f);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
322 EXPECT_EQ(fmt::format("{}", fmt::join(t4, "/")), "4");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
323
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
324 # if FMT_TUPLE_JOIN_SPECIFIERS
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
325 // Specs applied to each element.
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
326 auto t5 = std::tuple<int, int, long>(-3, 100, 1);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
327 EXPECT_EQ(fmt::format("{:+03}", fmt::join(t5, ", ")), "-03, +100, +01");
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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 auto t6 = std::tuple<float, double, long double>(3, 3.14, 3.1415);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
330 EXPECT_EQ(fmt::format("{:5.5f}", fmt::join(t6, ", ")),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
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331 "3.00000, 3.14000, 3.14150");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
332
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
333 // Testing lvalue tuple args.
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
334 int y = -1;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
335 auto t7 = std::tuple<int, int&, const int&>(3, y, y);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
336 EXPECT_EQ(fmt::format("{:03}", fmt::join(t7, ", ")), "003, -01, -01");
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Paper <paper@paper.us.eu.org>
parents:
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337 # endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
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338 }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
339
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
340 TEST(ranges_test, join_initializer_list) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
341 EXPECT_EQ(fmt::format("{}", fmt::join({1, 2, 3}, ", ")), "1, 2, 3");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
342 EXPECT_EQ(fmt::format("{}", fmt::join({"fmt", "rocks", "!"}, " ")),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
343 "fmt rocks !");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
344 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
345
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
346 struct zstring_sentinel {};
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
347
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
348 bool operator==(const char* p, zstring_sentinel) { return *p == '\0'; }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
349 bool operator!=(const char* p, zstring_sentinel) { return *p != '\0'; }
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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 struct zstring {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
352 const char* p;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
353 auto begin() const -> const char* { return p; }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
354 auto end() const -> zstring_sentinel { return {}; }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
355 };
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
356
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
357 # ifdef __cpp_lib_ranges
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
358 struct cpp20_only_range {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
359 struct iterator {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
360 int val = 0;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
361
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
362 using value_type = int;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
363 using difference_type = std::ptrdiff_t;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
364 using iterator_concept = std::input_iterator_tag;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
365
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
366 iterator() = default;
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
367 iterator(int i) : val(i) {}
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
368 auto operator*() const -> int { return val; }
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
369 auto operator++() -> iterator& {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
370 ++val;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
371 return *this;
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 void operator++(int) { ++*this; }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
374 auto operator==(const iterator& rhs) const -> bool {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
375 return val == rhs.val;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
376 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
377 };
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
378
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
379 int lo;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
380 int hi;
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 auto begin() const -> iterator { return iterator(lo); }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
383 auto end() const -> iterator { return iterator(hi); }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
384 };
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
385
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
386 static_assert(std::input_iterator<cpp20_only_range::iterator>);
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
387 # endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
388
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
389 TEST(ranges_test, join_sentinel) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
390 auto hello = zstring{"hello"};
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
391 EXPECT_EQ(fmt::format("{}", hello), "['h', 'e', 'l', 'l', 'o']");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
392 EXPECT_EQ(fmt::format("{::}", hello), "[h, e, l, l, o]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
393 EXPECT_EQ(fmt::format("{}", fmt::join(hello, "_")), "h_e_l_l_o");
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
394 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
395
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
396 TEST(ranges_test, join_range) {
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
397 auto&& w = noncopyable_range<int>(3u, 0);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
398 EXPECT_EQ(fmt::format("{}", fmt::join(w, ",")), "0,0,0");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
399 EXPECT_EQ(fmt::format("{}", fmt::join(noncopyable_range<int>(3u, 0), ",")),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
400 "0,0,0");
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 auto x = non_const_only_range<int>(3u, 0);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
403 EXPECT_EQ(fmt::format("{}", fmt::join(x, ",")), "0,0,0");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
404 EXPECT_EQ(fmt::format("{}", fmt::join(non_const_only_range<int>(3u, 0), ",")),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
405 "0,0,0");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
406
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
407 auto y = std::vector<int>(3u, 0);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
408 EXPECT_EQ(fmt::format("{}", fmt::join(y, ",")), "0,0,0");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
409 EXPECT_EQ(fmt::format("{}", fmt::join(std::vector<int>(3u, 0), ",")),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
410 "0,0,0");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
411
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
412 const auto z = std::vector<int>(3u, 0);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
413 EXPECT_EQ(fmt::format("{}", fmt::join(z, ",")), "0,0,0");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
414
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
415 # ifdef __cpp_lib_ranges
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
416 EXPECT_EQ(fmt::format("{}", cpp20_only_range{.lo = 0, .hi = 5}),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
417 "[0, 1, 2, 3, 4]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
418 EXPECT_EQ(
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
419 fmt::format("{}", fmt::join(cpp20_only_range{.lo = 0, .hi = 5}, ",")),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
420 "0,1,2,3,4");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
421 # endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
422 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
423 #endif // FMT_RANGES_TEST_ENABLE_JOIN
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
424
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
425 #if defined(__cpp_lib_ranges) && __cpp_lib_ranges >= 202302L
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Paper <paper@paper.us.eu.org>
parents:
diff changeset
426 TEST(ranges_test, nested_ranges) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
427 auto l = std::list{1, 2, 3};
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
428 auto r = std::views::iota(0, 3) | std::views::transform([&l](auto i) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
429 return std::views::take(std::ranges::subrange(l), i);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
430 }) |
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
431 std::views::transform(std::views::reverse);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
432 EXPECT_EQ(fmt::format("{}", r), "[[], [1], [2, 1]]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
433 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
434 #endif
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
435
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
436 TEST(ranges_test, is_printable) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
437 using fmt::detail::is_printable;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
438 EXPECT_TRUE(is_printable(0x0323));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
439 EXPECT_FALSE(is_printable(0x0378));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
440 EXPECT_FALSE(is_printable(0x110000));
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
441 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
442
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
443 TEST(ranges_test, escape) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
444 using vec = std::vector<std::string>;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
445 EXPECT_EQ(fmt::format("{}", vec{"\n\r\t\"\\"}), "[\"\\n\\r\\t\\\"\\\\\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
446 EXPECT_EQ(fmt::format("{}", vec{"\x07"}), "[\"\\x07\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
447 EXPECT_EQ(fmt::format("{}", vec{"\x7f"}), "[\"\\x7f\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
448 EXPECT_EQ(fmt::format("{}", vec{"n\xcc\x83"}), "[\"n\xcc\x83\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
449
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
450 if (fmt::detail::is_utf8()) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
451 EXPECT_EQ(fmt::format("{}", vec{"\xcd\xb8"}), "[\"\\u0378\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
452 // Unassigned Unicode code points.
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
453 EXPECT_EQ(fmt::format("{}", vec{"\xf0\xaa\x9b\x9e"}), "[\"\\U0002a6de\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
454 // Broken utf-8.
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
455 EXPECT_EQ(fmt::format("{}", vec{"\xf4\x8f\xbf\xc0"}),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
456 "[\"\\xf4\\x8f\\xbf\\xc0\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
457 EXPECT_EQ(fmt::format("{}", vec{"\xf0\x28"}), "[\"\\xf0(\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
458 EXPECT_EQ(fmt::format("{}", vec{"\xe1\x28"}), "[\"\\xe1(\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
459 EXPECT_EQ(fmt::format("{}", vec{std::string("\xf0\x28\0\0anything", 12)}),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
460 "[\"\\xf0(\\x00\\x00anything\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
461
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
462 // Correct utf-8.
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
463 EXPECT_EQ(fmt::format("{}", vec{"🦄"}), "[\"🦄\"]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
464 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
465
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
466 EXPECT_EQ(fmt::format("{}", std::vector<std::vector<char>>{{'x'}}),
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
467 "[['x']]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
468 EXPECT_EQ(fmt::format("{}", std::tuple<std::vector<char>>{{'x'}}), "(['x'])");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
469 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
470
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
471 template <typename R> struct fmt_ref_view {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
472 R* r;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
473
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
474 auto begin() const -> decltype(r->begin()) { return r->begin(); }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
475 auto end() const -> decltype(r->end()) { return r->end(); }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
476 };
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
477
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
478 TEST(ranges_test, range_of_range_of_mixed_const) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
479 auto v = std::vector<std::vector<int>>{{1, 2, 3}, {4, 5}};
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
480 EXPECT_EQ(fmt::format("{}", v), "[[1, 2, 3], [4, 5]]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
481
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
482 auto r = fmt_ref_view<decltype(v)>{&v};
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
483 EXPECT_EQ(fmt::format("{}", r), "[[1, 2, 3], [4, 5]]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
484 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
485
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
486 TEST(ranges_test, vector_char) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
487 EXPECT_EQ(fmt::format("{}", std::vector<char>{'a', 'b'}), "['a', 'b']");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
488 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
489
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
490 TEST(ranges_test, container_adaptor) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
491 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
492 using fmt::detail::is_container_adaptor_like;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
493 using T = std::nullptr_t;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
494 static_assert(is_container_adaptor_like<std::stack<T>>::value, "");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
495 static_assert(is_container_adaptor_like<std::queue<T>>::value, "");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
496 static_assert(is_container_adaptor_like<std::priority_queue<T>>::value, "");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
497 static_assert(!is_container_adaptor_like<std::vector<T>>::value, "");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
498 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
499
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
500 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
501 auto s = std::stack<int>();
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
502 s.push(1);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
503 s.push(2);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
504 EXPECT_EQ(fmt::format("{}", s), "[1, 2]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
505 EXPECT_EQ(fmt::format("{}", const_cast<const decltype(s)&>(s)), "[1, 2]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
506 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
507
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
508 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
509 auto q = std::queue<int>();
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
510 q.push(1);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
511 q.push(2);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
512 EXPECT_EQ(fmt::format("{}", q), "[1, 2]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
513 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
514
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
515 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
516 auto q = std::priority_queue<int>();
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
517 q.push(3);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
518 q.push(1);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
519 q.push(2);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
520 q.push(4);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
521 EXPECT_EQ(fmt::format("{}", q), "[4, 3, 2, 1]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
522 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
523
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
524 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
525 auto s = std::stack<char, std::string>();
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
526 s.push('a');
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
527 s.push('b');
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
528 // See https://cplusplus.github.io/LWG/issue3881.
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
529 EXPECT_EQ(fmt::format("{}", s), "['a', 'b']");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
530 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
531
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
532 {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
533 struct my_container_adaptor {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
534 using value_type = int;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
535 using container_type = std::vector<value_type>;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
536 void push(const value_type& v) { c.push_back(v); }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
537
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
538 protected:
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
539 container_type c;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
540 };
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
541
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
542 auto m = my_container_adaptor();
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
543 m.push(1);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
544 m.push(2);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
545 EXPECT_EQ(fmt::format("{}", m), "[1, 2]");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
546 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
547 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
548
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
549 struct tieable {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
550 int a = 3;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
551 double b = 0.42;
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
552 };
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
553
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
554 auto format_as(const tieable& t) -> std::tuple<int, double> {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
555 return std::tie(t.a, t.b);
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
556 }
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
557
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
558 TEST(ranges_test, format_as_tie) {
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
559 EXPECT_EQ(fmt::format("{}", tieable()), "(3, 0.42)");
1faa72660932 *: transfer back to cmake from autotools
Paper <paper@paper.us.eu.org>
parents:
diff changeset
560 }