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Add support for code units > 0xFFFF in fill

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This commit is contained in:
Victor Zverovich 2024-10-19 07:58:53 -07:00
parent 58c185b634
commit 601be1cbe7
2 changed files with 13 additions and 10 deletions
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4
include/fmt/base.h
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@ -800,7 +800,8 @@ class basic_specs {
template <typename Char> constexpr auto fill_unit() const -> Char {
using uchar = unsigned char;
return static_cast<Char>(static_cast<uchar>(fill_data_[0]) |
(static_cast<uchar>(fill_data_[1]) << 8));
(static_cast<uchar>(fill_data_[1]) << 8) |
(static_cast<uchar>(fill_data_[2]) << 16));
}
FMT_CONSTEXPR void set_fill(char c) {
@ -816,6 +817,7 @@ class basic_specs {
unsigned uchar = static_cast<detail::unsigned_char<Char>>(s[0]);
fill_data_[0] = static_cast<char>(uchar);
fill_data_[1] = static_cast<char>(uchar >> 8);
fill_data_[2] = static_cast<char>(uchar >> 16);
return;
}
FMT_ASSERT(size <= max_fill_size, "invalid fill");

19
test/xchar-test.cc
View File

@ -72,16 +72,17 @@ TEST(xchar_test, format_explicitly_convertible_to_wstring_view) {
#endif
TEST(xchar_test, format) {
EXPECT_EQ(L"42", fmt::format(L"{}", 42));
EXPECT_EQ(L"4.2", fmt::format(L"{}", 4.2));
EXPECT_EQ(L"abc", fmt::format(L"{}", L"abc"));
EXPECT_EQ(L"z", fmt::format(L"{}", L'z'));
EXPECT_EQ(fmt::format(L"{}", 42), L"42");
EXPECT_EQ(fmt::format(L"{}", 4.2), L"4.2");
EXPECT_EQ(fmt::format(L"{}", L"abc"), L"abc");
EXPECT_EQ(fmt::format(L"{}", L'z'), L"z");
EXPECT_THROW(fmt::format(fmt::runtime(L"{:*\x343E}"), 42), fmt::format_error);
EXPECT_EQ(L"true", fmt::format(L"{}", true));
EXPECT_EQ(L"a", fmt::format(L"{0}", L'a'));
EXPECT_EQ(L"Cyrillic letter \x42e",
fmt::format(L"Cyrillic letter {}", L'\x42e'));
EXPECT_EQ(L"abc1", fmt::format(L"{}c{}", L"ab", 1));
EXPECT_EQ(fmt::format(L"{}", true), L"true");
EXPECT_EQ(fmt::format(L"{0}", L'a'), L"a");
EXPECT_EQ(fmt::format(L"Letter {}", L'\x40e'), L"Letter \x40e"); // Ў
if (sizeof(wchar_t) == 4)
EXPECT_EQ(fmt::format(fmt::runtime(L"{:𓀨>3}"), 42), L"𓀨42");
EXPECT_EQ(fmt::format(L"{}c{}", L"ab", 1), L"abc1");
}
TEST(xchar_test, is_formattable) {