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Improve locale support

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This commit is contained in:
Victor Zverovich
2022-08-31 08:05:17 -07:00
parent 0b0f7cfbfc
commit 64e29893cf
5 changed files with 112 additions and 13 deletions
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23
test/xchar-test.cc
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@@ -7,12 +7,14 @@
#include "fmt/xchar.h"
#include <algorithm>
#include <complex>
#include <cwchar>
#include <vector>
#include "fmt/chrono.h"
#include "fmt/color.h"
#include "fmt/locale.h"
#include "fmt/ostream.h"
#include "fmt/ranges.h"
#include "gtest-extra.h" // Contains
@@ -344,6 +346,7 @@ TEST(xchar_test, escape_string) {
TEST(xchar_test, to_wstring) { EXPECT_EQ(L"42", fmt::to_wstring(42)); }
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
template <typename Char> struct numpunct : std::numpunct<Char> {
protected:
Char do_decimal_point() const override { return '?'; }
@@ -441,7 +444,7 @@ TEST(locale_test, wformat) {
fmt::format(small_grouping_loc, L"{:L}", max_value<uint32_t>()));
}
TEST(locale_test, double_formatter) {
TEST(locale_test, int_formatter) {
auto loc = std::locale(std::locale(), new special_grouping<char>());
auto f = fmt::formatter<int>();
auto parse_ctx = fmt::format_parse_context("L");
@@ -518,4 +521,22 @@ TEST(locale_test, sign) {
EXPECT_EQ(fmt::format(std::locale(), L"{:L}", -50), L"-50");
}
class num_format : public fmt::num_format_facet<> {
protected:
using fmt::num_format_facet<>::do_put;
iter_type do_put(iter_type out, std::ios_base&, char,
unsigned long long) const override;
};
num_format::iter_type num_format::do_put(iter_type out, std::ios_base&, char,
unsigned long long) const {
const char s[] = "foo";
return std::copy_n(s, sizeof(s) - 1, out);
}
TEST(locale_test, num_format) {
auto loc = std::locale(std::locale(), new num_format());
EXPECT_EQ(fmt::format(loc, "{:L}", 42), "foo");
}
#endif // FMT_STATIC_THOUSANDS_SEPARATOR