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// 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 "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, "{:n}", 1.23));
}
TEST(LocaleTest, Format) {
std::locale loc(std::locale(), new numpunct<char>());
EXPECT_EQ("1234567", fmt::format(std::locale(), "{:n}", 1234567));
EXPECT_EQ("1~234~567", fmt::format(loc, "{:n}", 1234567));
fmt::format_arg_store<fmt::format_context, int> as{1234567};
EXPECT_EQ("1~234~567", fmt::vformat(loc, "{:n}", fmt::format_args(as)));
std::string s;
fmt::format_to(std::back_inserter(s), loc, "{:n}", 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, "{:n}", 1234567));
std::locale special_grouping_loc(std::locale(), new special_grouping<char>());
EXPECT_EQ("1,23,45,678", fmt::format(special_grouping_loc, "{:n}", 12345678));
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, "{:n}", max_value<uint32_t>()));
}
TEST(LocaleTest, WFormat) {
std::locale loc(std::locale(), new numpunct<wchar_t>());
EXPECT_EQ(L"1234567", fmt::format(std::locale(), L"{:n}", 1234567));
EXPECT_EQ(L"1~234~567", fmt::format(loc, L"{:n}", 1234567));
fmt::format_arg_store<fmt::wformat_context, int> as{1234567};
EXPECT_EQ(L"1~234~567", fmt::vformat(loc, L"{:n}", fmt::wformat_args(as)));
EXPECT_EQ(L"1234567", fmt::format(std::locale("C"), L"{:n}", 1234567));
std::locale no_grouping_loc(std::locale(), new no_grouping<wchar_t>());
EXPECT_EQ(L"1234567", fmt::format(no_grouping_loc, L"{:n}", 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"{:n}", 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"{:n}", max_value<uint32_t>()));
}
#endif // FMT_STATIC_THOUSANDS_SEPARATOR
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