| // Formatting library for C++ - locale tests |
| // |
| // Copyright (c) 2012 - present, Victor Zverovich |
| // All rights reserved. |
| // |
| // For the license information refer to format.h. |
| |
| #include "fmt/locale.h" |
| |
| #include <complex> |
| |
| #include "gmock.h" |
| |
| using fmt::detail::max_value; |
| |
| #ifndef FMT_STATIC_THOUSANDS_SEPARATOR |
| template <typename Char> struct numpunct : std::numpunct<Char> { |
| protected: |
| Char do_decimal_point() const FMT_OVERRIDE { return '?'; } |
| std::string do_grouping() const FMT_OVERRIDE { return "\03"; } |
| Char do_thousands_sep() const FMT_OVERRIDE { return '~'; } |
| }; |
| |
| template <typename Char> struct no_grouping : std::numpunct<Char> { |
| protected: |
| Char do_decimal_point() const FMT_OVERRIDE { return '.'; } |
| std::string do_grouping() const FMT_OVERRIDE { return ""; } |
| Char do_thousands_sep() const FMT_OVERRIDE { return ','; } |
| }; |
| |
| template <typename Char> struct special_grouping : std::numpunct<Char> { |
| protected: |
| Char do_decimal_point() const FMT_OVERRIDE { return '.'; } |
| std::string do_grouping() const FMT_OVERRIDE { return "\03\02"; } |
| Char do_thousands_sep() const FMT_OVERRIDE { return ','; } |
| }; |
| |
| template <typename Char> struct small_grouping : std::numpunct<Char> { |
| protected: |
| Char do_decimal_point() const FMT_OVERRIDE { return '.'; } |
| std::string do_grouping() const FMT_OVERRIDE { return "\01"; } |
| Char do_thousands_sep() const FMT_OVERRIDE { return ','; } |
| }; |
| |
| TEST(LocaleTest, DoubleDecimalPoint) { |
| std::locale loc(std::locale(), new numpunct<char>()); |
| EXPECT_EQ("1?23", fmt::format(loc, "{:L}", 1.23)); |
| } |
| |
| TEST(LocaleTest, Format) { |
| std::locale loc(std::locale(), new numpunct<char>()); |
| EXPECT_EQ("1234567", fmt::format(std::locale(), "{:L}", 1234567)); |
| EXPECT_EQ("1~234~567", fmt::format(loc, "{:L}", 1234567)); |
| EXPECT_EQ("-1~234~567", fmt::format(loc, "{:L}", -1234567)); |
| EXPECT_EQ("-256", fmt::format(loc, "{:L}", -256)); |
| fmt::format_arg_store<fmt::format_context, int> as{1234567}; |
| EXPECT_EQ("1~234~567", fmt::vformat(loc, "{:L}", fmt::format_args(as))); |
| std::string s; |
| fmt::format_to(std::back_inserter(s), loc, "{:L}", 1234567); |
| EXPECT_EQ("1~234~567", s); |
| |
| std::locale no_grouping_loc(std::locale(), new no_grouping<char>()); |
| EXPECT_EQ("1234567", fmt::format(no_grouping_loc, "{:L}", 1234567)); |
| |
| std::locale special_grouping_loc(std::locale(), new special_grouping<char>()); |
| EXPECT_EQ("1,23,45,678", fmt::format(special_grouping_loc, "{:L}", 12345678)); |
| EXPECT_EQ("12,345", fmt::format(special_grouping_loc, "{:L}", 12345)); |
| |
| std::locale small_grouping_loc(std::locale(), new small_grouping<char>()); |
| EXPECT_EQ("4,2,9,4,9,6,7,2,9,5", |
| fmt::format(small_grouping_loc, "{:L}", max_value<uint32_t>())); |
| } |
| |
| TEST(LocaleTest, FormatDetaultAlign) { |
| std::locale special_grouping_loc(std::locale(), new special_grouping<char>()); |
| EXPECT_EQ(" 12,345", fmt::format(special_grouping_loc, "{:8L}", 12345)); |
| } |
| |
| TEST(LocaleTest, WFormat) { |
| std::locale loc(std::locale(), new numpunct<wchar_t>()); |
| EXPECT_EQ(L"1234567", fmt::format(std::locale(), L"{:L}", 1234567)); |
| EXPECT_EQ(L"1~234~567", fmt::format(loc, L"{:L}", 1234567)); |
| fmt::format_arg_store<fmt::wformat_context, int> as{1234567}; |
| EXPECT_EQ(L"1~234~567", fmt::vformat(loc, L"{:L}", fmt::wformat_args(as))); |
| EXPECT_EQ(L"1234567", fmt::format(std::locale("C"), L"{:L}", 1234567)); |
| |
| std::locale no_grouping_loc(std::locale(), new no_grouping<wchar_t>()); |
| EXPECT_EQ(L"1234567", fmt::format(no_grouping_loc, L"{:L}", 1234567)); |
| |
| std::locale special_grouping_loc(std::locale(), |
| new special_grouping<wchar_t>()); |
| EXPECT_EQ(L"1,23,45,678", |
| fmt::format(special_grouping_loc, L"{:L}", 12345678)); |
| |
| std::locale small_grouping_loc(std::locale(), new small_grouping<wchar_t>()); |
| EXPECT_EQ(L"4,2,9,4,9,6,7,2,9,5", |
| fmt::format(small_grouping_loc, L"{:L}", max_value<uint32_t>())); |
| } |
| |
| TEST(LocaleTest, DoubleFormatter) { |
| auto loc = std::locale(std::locale(), new special_grouping<char>()); |
| auto f = fmt::formatter<int>(); |
| auto parse_ctx = fmt::format_parse_context("L"); |
| f.parse(parse_ctx); |
| char buf[10] = {}; |
| fmt::basic_format_context<char*, char> format_ctx( |
| buf, {}, fmt::detail::locale_ref(loc)); |
| *f.format(12345, format_ctx) = 0; |
| EXPECT_STREQ("12,345", buf); |
| } |
| |
| FMT_BEGIN_NAMESPACE |
| template <class charT> struct formatter<std::complex<double>, charT> { |
| private: |
| detail::dynamic_format_specs<char> specs_; |
| |
| public: |
| typename basic_format_parse_context<charT>::iterator parse( |
| basic_format_parse_context<charT>& ctx) { |
| using handler_type = |
| detail::dynamic_specs_handler<basic_format_parse_context<charT>>; |
| detail::specs_checker<handler_type> handler(handler_type(specs_, ctx), |
| detail::type::string_type); |
| auto it = parse_format_specs(ctx.begin(), ctx.end(), handler); |
| detail::parse_float_type_spec(specs_, ctx.error_handler()); |
| return it; |
| } |
| |
| template <class FormatContext> |
| typename FormatContext::iterator format(const std::complex<double>& c, |
| FormatContext& ctx) { |
| detail::handle_dynamic_spec<detail::precision_checker>( |
| specs_.precision, specs_.precision_ref, ctx); |
| auto format_specs = std::string(); |
| if (specs_.precision > 0) |
| format_specs = fmt::format(".{}", specs_.precision); |
| if (specs_.type) |
| format_specs += specs_.type; |
| auto real = fmt::format(ctx.locale().template get<std::locale>(), |
| "{:" + format_specs + "}", c.real()); |
| auto imag = fmt::format(ctx.locale().template get<std::locale>(), |
| "{:" + format_specs + "}", c.imag()); |
| auto fill_align_width = std::string(); |
| if (specs_.width > 0) |
| fill_align_width = fmt::format(">{}", specs_.width); |
| return format_to( |
| ctx.out(), "{:" + fill_align_width + "}", |
| fmt::format(c.real() != 0 ? "({0}+{1}i)" : "{1}i", real, imag)); |
| } |
| }; |
| FMT_END_NAMESPACE |
| |
| TEST(FormatTest, Complex) { |
| std::string s = fmt::format("{}", std::complex<double>(1, 2)); |
| EXPECT_EQ(s, "(1+2i)"); |
| EXPECT_EQ(fmt::format("{:.2f}", std::complex<double>(1, 2)), "(1.00+2.00i)"); |
| EXPECT_EQ(fmt::format("{:8}", std::complex<double>(1, 2)), " (1+2i)"); |
| } |
| |
| #endif // FMT_STATIC_THOUSANDS_SEPARATOR |