1 // Formatting library for C++ - the core API
3 // Copyright (c) 2012 - present, Victor Zverovich
8 // Copyright (c) 2018 - present, Remotion (Igor Schulz)
10 // {fmt} support for ranges, containers and types tuple interface.
12 #include "fmt/ranges.h"
25 TEST(RangesTest, FormatVector) {  in TEST()  function
27   auto ivf = fmt::format("{}", iv);  in TEST()
31 TEST(RangesTest, FormatVector2) {  in TEST()  function
33   auto ivf = fmt::format("{}", ivv);  in TEST()
37 TEST(RangesTest, FormatMap) {  in TEST()  function
39   EXPECT_EQ("{(\"one\", 1), (\"two\", 2)}", fmt::format("{}", simap));  in TEST()
42 TEST(RangesTest, FormatPair) {  in TEST()  function
44   EXPECT_EQ("(42, 1.5)", fmt::format("{}", pa1));  in TEST()
47 TEST(RangesTest, FormatTuple) {  in TEST()  function
50   EXPECT_EQ("(42, 1.5, \"this is tuple\", 'i')", fmt::format("{}", t));  in TEST()
51   EXPECT_EQ("()", fmt::format("{}", std::tuple<>()));  in TEST()
54 TEST(RangesTest, JoinTuple) {  in TEST()  function
57   EXPECT_EQ("(a, 1, 2)", fmt::format("({})", fmt::join(t1, ", ")));  in TEST()
62   EXPECT_EQ("b + 4", fmt::format("{}", fmt::join(t2, " + ")));  in TEST()
66   EXPECT_EQ("", fmt::format("{}", fmt::join(t3, "|")));  in TEST()
70   EXPECT_EQ("4", fmt::format("{}", fmt::join(t4, "/")));  in TEST()
73 TEST(RangesTest, JoinInitializerList) {  in TEST()  function
74   EXPECT_EQ("1, 2, 3", fmt::format("{}", fmt::join({1, 2, 3}, ", ")));  in TEST()
75   EXPECT_EQ("fmt rocks !",  in TEST()
76             fmt::format("{}", fmt::join({"fmt", "rocks", "!"}, " ")));  in TEST()
86       return fmt::string_view{str};  in get()
104 TEST(RangesTest, FormatStruct) {  in TEST()  function
106   EXPECT_EQ("(13, \"my struct\")", fmt::format("{}", mst));  in TEST()
109 TEST(RangesTest, FormatTo) {  in TEST()  function
111   auto end = fmt::format_to(buf, "{}", std::vector{1, 2, 3});  in TEST()
123 TEST(RangesTest, PathLike) {  in TEST()  function
124   EXPECT_FALSE((fmt::is_range<path_like, char>::value));  in TEST()
134   explicit operator fmt::string_view() const { return "foo"; }  in operator fmt::string_view()
138 TEST(RangesTest, FormatStringLike) {  in TEST()  function
139   EXPECT_EQ("foo", fmt::format("{}", string_like()));  in TEST()
154 TEST(RangesTest, JoinSentinel) {  in TEST()  function
156   EXPECT_EQ("{'h', 'e', 'l', 'l', 'o'}", fmt::format("{}", hello));  in TEST()
157   EXPECT_EQ("h_e_l_l_o", fmt::format("{}", fmt::join(hello, "_")));  in TEST()
160 // A range that provides non-const only begin()/end() to test fmt::join handles
163 // Some ranges (eg those produced by range-v3's views::filter()) can cache
164 // information during iteration so they only provide non-const begin()/end().
180 TEST(RangesTest, JoinRange) {  in TEST()  function
182   EXPECT_EQ("0,0,0", fmt::format("{}", fmt::join(x, ",")));  in TEST()
185       fmt::format("{}", fmt::join(non_const_only_range<int>(3u, 0), ",")));  in TEST()
188   EXPECT_EQ("0,0,0", fmt::format("{}", fmt::join(y, ",")));  in TEST()
190             fmt::format("{}", fmt::join(std::vector<int>(3u, 0), ",")));  in TEST()
193   EXPECT_EQ("0,0,0", fmt::format("{}", fmt::join(z, ",")));  in TEST()
199 TEST(RangesTest, UnformattableRange) {  in TEST()  function
200   EXPECT_FALSE((fmt::has_formatter<std::vector<unformattable>,  in TEST()
201                                    fmt::format_context>::value));  in TEST()