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AK: Add a way to get the number of valid bytes in a Utf8View

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AnotherTest 2020-05-18 13:45:18 +04:30 • committed by Andreas Kling
parent 07c765e258
commit a4e0b585fe
3 changed files with 24 additions and 9 deletions
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17
AK/Tests/TestUtf8.cpp
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@ -48,7 +48,9 @@ TEST_CASE(decode_ascii)
TEST_CASE(decode_utf8)
{
Utf8View utf8 { "Привет, мир! 😀 γειά σου κόσμος こんにちは世界" };
EXPECT(utf8.validate());
size_t valid_bytes;
EXPECT(utf8.validate(valid_bytes));
EXPECT(valid_bytes == (size_t)utf8.byte_length());
u32 expected[] = { 1055, 1088, 1080, 1074, 1077, 1090, 44, 32, 1084, 1080, 1088, 33, 32, 128512, 32, 947, 949, 953, 940, 32, 963, 959, 965, 32, 954, 972, 963, 956, 959, 962, 32, 12371, 12435, 12395, 12385, 12399, 19990, 30028 };
size_t expected_size = sizeof(expected) / sizeof(expected[0]);
@ -64,21 +66,26 @@ TEST_CASE(decode_utf8)
TEST_CASE(validate_invalid_ut8)
{
size_t valid_bytes;
char invalid_utf8_1[] = { 42, 35, (char)182, 9, 0 };
Utf8View utf8_1 { invalid_utf8_1 };
EXPECT(!utf8_1.validate());
EXPECT(!utf8_1.validate(valid_bytes));
EXPECT(valid_bytes == 2);
char invalid_utf8_2[] = { 42, 35, (char)208, (char)208, 0 };
Utf8View utf8_2 { invalid_utf8_2 };
EXPECT(!utf8_2.validate());
EXPECT(!utf8_2.validate(valid_bytes));
EXPECT(valid_bytes == 2);
char invalid_utf8_3[] = { (char)208, 0 };
Utf8View utf8_3 { invalid_utf8_3 };
EXPECT(!utf8_3.validate());
EXPECT(!utf8_3.validate(valid_bytes));
EXPECT(valid_bytes == 0);
char invalid_utf8_4[] = { (char)208, 35, 0 };
Utf8View utf8_4 { invalid_utf8_4 };
EXPECT(!utf8_4.validate());
EXPECT(!utf8_4.validate(valid_bytes));
EXPECT(valid_bytes == 0);
}
TEST_MAIN(UTF8)