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AK: Implement a UTF-16 method to check if a string is ASCII whitespace

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This commit is contained in:
Timothy Flynn 2025-07-24 11:44:19 -04:00 • committed by Jelle Raaijmakers
parent f53389bab1
commit 6c73dff120
Notes: github-actions[bot] 2025-07-24 17:01:46 +00:00
3 changed files with 25 additions and 0 deletions
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16
Tests/AK/TestUtf16View.cpp
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@ -341,6 +341,22 @@ TEST_CASE(is_ascii)
EXPECT(!u"The quick (“brown”) fox can’t jump 32.3 feet, right?"sv.is_ascii());
}
TEST_CASE(is_ascii_whitespace)
{
EXPECT(Utf16View {}.is_ascii_whitespace());
EXPECT(u" "sv.is_ascii_whitespace());
EXPECT(u"\t"sv.is_ascii_whitespace());
EXPECT(u"\r"sv.is_ascii_whitespace());
EXPECT(u"\n"sv.is_ascii_whitespace());
EXPECT(u" \t\r\n\v "sv.is_ascii_whitespace());
EXPECT(!u"a"sv.is_ascii_whitespace());
EXPECT(!u"😀"sv.is_ascii_whitespace());
EXPECT(!u"\u00a0"sv.is_ascii_whitespace());
EXPECT(!u"\ufeff"sv.is_ascii_whitespace());
EXPECT(!u" \t \u00a0 \ufeff "sv.is_ascii_whitespace());
}
TEST_CASE(to_ascii_lowercase)
{
EXPECT_EQ(u""sv.to_ascii_lowercase(), u""sv);