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105 lines
4.0 KiB
C++
105 lines
4.0 KiB
C++
// Formatting library for C++ - locale tests
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//
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// Copyright (c) 2012 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#include "fmt/locale.h"
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#include "gmock.h"
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using fmt::detail::max_value;
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#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
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template <typename Char> struct numpunct : std::numpunct<Char> {
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protected:
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Char do_decimal_point() const FMT_OVERRIDE { return '?'; }
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std::string do_grouping() const FMT_OVERRIDE { return "\03"; }
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Char do_thousands_sep() const FMT_OVERRIDE { return '~'; }
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};
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template <typename Char> struct no_grouping : std::numpunct<Char> {
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protected:
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Char do_decimal_point() const FMT_OVERRIDE { return '.'; }
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std::string do_grouping() const FMT_OVERRIDE { return ""; }
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Char do_thousands_sep() const FMT_OVERRIDE { return ','; }
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};
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template <typename Char> struct special_grouping : std::numpunct<Char> {
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protected:
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Char do_decimal_point() const FMT_OVERRIDE { return '.'; }
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std::string do_grouping() const FMT_OVERRIDE { return "\03\02"; }
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Char do_thousands_sep() const FMT_OVERRIDE { return ','; }
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};
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template <typename Char> struct small_grouping : std::numpunct<Char> {
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protected:
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Char do_decimal_point() const FMT_OVERRIDE { return '.'; }
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std::string do_grouping() const FMT_OVERRIDE { return "\01"; }
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Char do_thousands_sep() const FMT_OVERRIDE { return ','; }
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};
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TEST(LocaleTest, DoubleDecimalPoint) {
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std::locale loc(std::locale(), new numpunct<char>());
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EXPECT_EQ("1?23", fmt::format(loc, "{:L}", 1.23));
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}
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TEST(LocaleTest, Format) {
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std::locale loc(std::locale(), new numpunct<char>());
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EXPECT_EQ("1234567", fmt::format(std::locale(), "{:L}", 1234567));
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EXPECT_EQ("1~234~567", fmt::format(loc, "{:L}", 1234567));
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EXPECT_EQ("-1~234~567", fmt::format(loc, "{:L}", -1234567));
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fmt::format_arg_store<fmt::format_context, int> as{1234567};
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EXPECT_EQ("1~234~567", fmt::vformat(loc, "{:L}", fmt::format_args(as)));
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std::string s;
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fmt::format_to(std::back_inserter(s), loc, "{:L}", 1234567);
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EXPECT_EQ("1~234~567", s);
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std::locale no_grouping_loc(std::locale(), new no_grouping<char>());
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EXPECT_EQ("1234567", fmt::format(no_grouping_loc, "{:L}", 1234567));
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std::locale special_grouping_loc(std::locale(), new special_grouping<char>());
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EXPECT_EQ("1,23,45,678", fmt::format(special_grouping_loc, "{:L}", 12345678));
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EXPECT_EQ("12,345", fmt::format(special_grouping_loc, "{:L}", 12345));
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std::locale small_grouping_loc(std::locale(), new small_grouping<char>());
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EXPECT_EQ("4,2,9,4,9,6,7,2,9,5",
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fmt::format(small_grouping_loc, "{:L}", max_value<uint32_t>()));
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}
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TEST(LocaleTest, WFormat) {
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std::locale loc(std::locale(), new numpunct<wchar_t>());
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EXPECT_EQ(L"1234567", fmt::format(std::locale(), L"{:L}", 1234567));
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EXPECT_EQ(L"1~234~567", fmt::format(loc, L"{:L}", 1234567));
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fmt::format_arg_store<fmt::wformat_context, int> as{1234567};
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EXPECT_EQ(L"1~234~567", fmt::vformat(loc, L"{:L}", fmt::wformat_args(as)));
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EXPECT_EQ(L"1234567", fmt::format(std::locale("C"), L"{:L}", 1234567));
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std::locale no_grouping_loc(std::locale(), new no_grouping<wchar_t>());
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EXPECT_EQ(L"1234567", fmt::format(no_grouping_loc, L"{:L}", 1234567));
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std::locale special_grouping_loc(std::locale(),
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new special_grouping<wchar_t>());
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EXPECT_EQ(L"1,23,45,678",
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fmt::format(special_grouping_loc, L"{:L}", 12345678));
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std::locale small_grouping_loc(std::locale(), new small_grouping<wchar_t>());
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EXPECT_EQ(L"4,2,9,4,9,6,7,2,9,5",
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fmt::format(small_grouping_loc, L"{:L}", max_value<uint32_t>()));
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}
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TEST(LocaleTest, DoubleFormatter) {
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auto loc = std::locale(std::locale(), new special_grouping<char>());
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auto f = fmt::formatter<int>();
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auto parse_ctx = fmt::format_parse_context("L");
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f.parse(parse_ctx);
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char buf[10] = {};
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fmt::basic_format_context<char*, char> format_ctx(
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buf, {}, fmt::detail::locale_ref(loc));
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*f.format(12345, format_ctx) = 0;
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EXPECT_STREQ("12,345", buf);
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}
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#endif // FMT_STATIC_THOUSANDS_SEPARATOR
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