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LibUnicode: Implement locale-aware AFTER_I special casing

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This commit is contained in:
Timothy Flynn 2021-09-05 14:39:20 -04:00 • committed by Linus Groh
parent 68b2680040
commit 0053d48c41
3 changed files with 94 additions and 12 deletions
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43
Tests/LibUnicode/TestUnicodeCharacterTypes.cpp
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@ -155,6 +155,49 @@ TEST_CASE(to_unicode_lowercase_special_casing_sigma)
EXPECT_EQ(result, "a\u180E\u03C3\u180Eb");
}
TEST_CASE(to_unicode_lowercase_special_casing_i)
{
// LATIN CAPITAL LETTER I
auto result = Unicode::to_unicode_lowercase_full("I"sv, "en"sv);
EXPECT_EQ(result, "i"sv);
result = Unicode::to_unicode_lowercase_full("I"sv, "az"sv);
EXPECT_EQ(result, "\u0131"sv);
result = Unicode::to_unicode_lowercase_full("I"sv, "tr"sv);
EXPECT_EQ(result, "\u0131"sv);
// LATIN CAPITAL LETTER I WITH DOT ABOVE
result = Unicode::to_unicode_lowercase_full("\u0130"sv, "en"sv);
EXPECT_EQ(result, "\u0069\u0307"sv);
result = Unicode::to_unicode_lowercase_full("\u0130"sv, "az"sv);
EXPECT_EQ(result, "i"sv);
result = Unicode::to_unicode_lowercase_full("\u0130"sv, "tr"sv);
EXPECT_EQ(result, "i"sv);
// LATIN CAPITAL LETTER I followed by COMBINING DOT ABOVE
result = Unicode::to_unicode_lowercase_full("I\u0307"sv, "en"sv);
EXPECT_EQ(result, "i\u0307"sv);
result = Unicode::to_unicode_lowercase_full("I\u0307"sv, "az"sv);
EXPECT_EQ(result, "i"sv);
result = Unicode::to_unicode_lowercase_full("I\u0307"sv, "tr"sv);
EXPECT_EQ(result, "i"sv);
// LATIN CAPITAL LETTER I followed by combining class 0 and COMBINING DOT ABOVE
result = Unicode::to_unicode_lowercase_full("IA\u0307"sv, "en"sv);
EXPECT_EQ(result, "ia\u0307"sv);
result = Unicode::to_unicode_lowercase_full("IA\u0307"sv, "az"sv);
EXPECT_EQ(result, "\u0131a\u0307"sv);
result = Unicode::to_unicode_lowercase_full("IA\u0307"sv, "tr"sv);
EXPECT_EQ(result, "\u0131a\u0307"sv);
}
TEST_CASE(to_unicode_uppercase_unconditional_special_casing)
{
// LATIN SMALL LETTER SHARP S