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AK+Everywhere: Make UTF-16 to UTF-8 converter fallible

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This could fail to allocate the underlying storage needed to store the
UTF-8 data. Propagate this error.
This commit is contained in:
Timothy Flynn 2023-01-07 13:59:10 -05:00 • committed by Linus Groh
parent 1edb96376b
commit d793262beb
10 changed files with 25 additions and 22 deletions
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14
Tests/AK/TestUtf16.cpp
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@ -56,14 +56,14 @@ TEST_CASE(encode_utf8)
DeprecatedString utf8_string("Привет, мир! 😀 γειά σου κόσμος こんにちは世界");
auto string = MUST(AK::utf8_to_utf16(utf8_string));
Utf16View view { string };
EXPECT_EQ(view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes), utf8_string);
EXPECT_EQ(view.to_utf8(Utf16View::AllowInvalidCodeUnits::No), utf8_string);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes)), utf8_string);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::No)), utf8_string);
}
{
auto encoded = Array { (u16)0xd83d };
Utf16View view { encoded };
EXPECT_EQ(view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes), "\xed\xa0\xbd"sv);
EXPECT_EQ(view.to_utf8(Utf16View::AllowInvalidCodeUnits::No), "\ufffd"sv);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes)), "\xed\xa0\xbd"sv);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::No)), "\ufffd"sv);
}
}
@ -269,14 +269,14 @@ TEST_CASE(substring_view)
view = view.substring_view(7, 2);
EXPECT(view.length_in_code_units() == 2);
EXPECT_EQ(view.to_utf8(), "😀"sv);
EXPECT_EQ(MUST(view.to_utf8()), "😀"sv);
}
{
Utf16View view { string };
view = view.substring_view(7, 1);
EXPECT(view.length_in_code_units() == 1);
EXPECT_EQ(view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes), "\xed\xa0\xbd"sv);
EXPECT_EQ(view.to_utf8(Utf16View::AllowInvalidCodeUnits::No), "\ufffd"sv);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes)), "\xed\xa0\xbd"sv);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::No)), "\ufffd"sv);
}
}