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Code Issues Projects Releases Packages Wiki Activity Actions 10

AK: Return an empty optional when UTF-16 code unit lookup fails

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Accidentally returned the wrong type here.
This commit is contained in:
Timothy Flynn 2025-07-26 12:13:02 -04:00 • committed by Andreas Kling
commit ed63a60247
Notes: github-actions[bot] 2025-07-28 10:27:03 +00:00
2 changed files with 7 additions and 1 deletions
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2
AK/Utf16View.h
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@ -420,7 +420,7 @@ public:
if (has_ascii_storage()) {
if (!AK::is_ascii(needle))
return false;
return {};
auto byte = static_cast<char>(needle);
return AK::memmem_optional(m_string.ascii + start_offset, length_in_code_units() - start_offset, &byte, sizeof(byte));

6
Tests/AK/TestUtf16View.cpp
View file

@ -547,6 +547,12 @@ TEST_CASE(contains)
EXPECT(u"😀"sv.contains(u'\xd83d'));
EXPECT(u"😀"sv.contains(u'\xde00'));
EXPECT(!Utf16View { ""sv }.contains(u'a'));
EXPECT(Utf16View { "a"sv }.contains(u'a'));
EXPECT(!Utf16View { "b"sv }.contains(u'a'));
EXPECT(!Utf16View { "b"sv }.contains(u'\xd83d'));
EXPECT(!Utf16View { "b"sv }.contains(u'\xde00'));
EXPECT(u""sv.contains(u""sv));
EXPECT(!u""sv.contains(u"a"sv));
EXPECT(u"a"sv.contains(u"a"sv));