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AK: Do not append string bytes as code points when title-casing a string

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By appending individual bytes as code points, we were "breaking apart"
multi-byte UTF-8 code points. This now behaves the same way as the
invert_case() helper in StringUtils.
This commit is contained in:
Timothy Flynn 2022-10-20 08:44:18 -04:00 • committed by Linus Groh
parent 66e424a084
commit b9dc0b7d1b
2 changed files with 4 additions and 2 deletions
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2
Tests/AK/TestStringUtils.cpp
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@ -387,4 +387,6 @@ TEST_CASE(to_titlecase)
EXPECT_EQ(AK::StringUtils::to_titlecase("foo bar"sv), "Foo Bar"sv);
EXPECT_EQ(AK::StringUtils::to_titlecase("foo bar"sv), "Foo Bar"sv);
EXPECT_EQ(AK::StringUtils::to_titlecase(" foo bar "sv), " Foo Bar "sv);
EXPECT_EQ(AK::StringUtils::to_titlecase("\xc3\xa7"sv), "\xc3\xa7"sv); // U+00E7 LATIN SMALL LETTER C WITH CEDILLA
EXPECT_EQ(AK::StringUtils::to_titlecase("\xe1\x80\x80"sv), "\xe1\x80\x80"sv); // U+1000 MYANMAR LETTER KA
}