private static void AssertIsInvalidThreeByteSequence(byte[] invalidSequence)
{
Assert.Equal(3, invalidSequence.Length);
byte[] knownGoodBytes = Utf8Tests.DecodeHex(EURO_SYMBOL);
byte[] toTest = invalidSequence.Concat(invalidSequence).Concat(knownGoodBytes).ToArray(); // at start of first DWORD
GetIndexOfFirstInvalidUtf8Sequence_Test_Core(toTest, 0, 0, 0);
// Run the same tests but with extra data at the beginning so that we're inside one of
// the 3-byte processing "hot loop" code paths.
toTest = knownGoodBytes.Concat(invalidSequence).Concat(knownGoodBytes).ToArray(); // straddling first and second DWORDs
GetIndexOfFirstInvalidUtf8Sequence_Test_Core(toTest, 3, 1, 0);
toTest = knownGoodBytes.Concat(knownGoodBytes).Concat(invalidSequence).Concat(knownGoodBytes).ToArray(); // straddling second and third DWORDs
GetIndexOfFirstInvalidUtf8Sequence_Test_Core(toTest, 6, 2, 0);
toTest = knownGoodBytes.Concat(knownGoodBytes).Concat(knownGoodBytes).Concat(invalidSequence).Concat(knownGoodBytes).ToArray(); // at end of third DWORD
GetIndexOfFirstInvalidUtf8Sequence_Test_Core(toTest, 9, 3, 0);
}
private static void AssertIsInvalidTwoByteSequence(byte[] invalidSequence)
{
Assert.Equal(2, invalidSequence.Length);
byte[] knownGoodBytes = Utf8Tests.DecodeHex(E_ACUTE);
byte[] toTest = invalidSequence.Concat(invalidSequence).Concat(knownGoodBytes).ToArray(); // at start of first DWORD
GetIndexOfFirstInvalidUtf8Sequence_Test_Core(toTest, 0, 0, 0);
toTest = knownGoodBytes.Concat(invalidSequence).Concat(knownGoodBytes).ToArray(); // at end of first DWORD
GetIndexOfFirstInvalidUtf8Sequence_Test_Core(toTest, 2, 1, 0);
// Run the same tests but with extra data at the beginning so that we're inside one of
// the 2-byte processing "hot loop" code paths.
toTest = knownGoodBytes.Concat(knownGoodBytes).Concat(invalidSequence).Concat(knownGoodBytes).ToArray(); // at start of next DWORD
GetIndexOfFirstInvalidUtf8Sequence_Test_Core(toTest, 4, 2, 0);
toTest = knownGoodBytes.Concat(knownGoodBytes).Concat(knownGoodBytes).Concat(invalidSequence).Concat(knownGoodBytes).ToArray(); // at end of next DWORD
GetIndexOfFirstInvalidUtf8Sequence_Test_Core(toTest, 6, 3, 0);
}