//[InlineData(TextEncoderTestHelper.SupportedEncoding.FromUtf32)] // Open issue: https://github.com/dotnet/corefxlab/issues/1513
public void InputBufferContainsOnlyInvalidData(TextEncoderTestHelper.SupportedEncoding from)
{
string inputStringLow = TextEncoderTestHelper.GenerateOnlyInvalidString(TextEncoderConstants.DataLength);
string inputStringHigh = TextEncoderTestHelper.GenerateOnlyInvalidString(TextEncoderConstants.DataLength, true);
byte[] inputUtf8Bytes = TextEncoderTestHelper.GenerateOnlyInvalidUtf8Bytes(TextEncoderConstants.DataLength);
int bytesWritten;
switch (from)
{
case TextEncoderTestHelper.SupportedEncoding.FromUtf8:
byte[] expectedBytes = Text.Encoding.Convert(testEncoder, testEncoder, inputUtf8Bytes);
Span <byte> encodedBytes = new Span <byte>(new byte[expectedBytes.Length]);
ReadOnlySpan <byte> inputUtf8 = inputUtf8Bytes;
Assert.False(utf8.TryEncode(inputUtf8, encodedBytes, out int charactersConsumed, out bytesWritten));
Assert.Equal(0, charactersConsumed);
break;
case TextEncoderTestHelper.SupportedEncoding.FromUtf16:
byte[] inputStringUtf16 = testEncoderUnicode.GetBytes(inputStringLow);
expectedBytes = Text.Encoding.Convert(testEncoderUnicode, testEncoder, inputStringUtf16);
encodedBytes = new Span <byte>(new byte[expectedBytes.Length]);
ReadOnlySpan <char> inputUtf16 = inputStringLow.AsSpan();
Assert.False(utf8.TryEncode(inputUtf16, encodedBytes, out charactersConsumed, out bytesWritten));
Assert.Equal(0, charactersConsumed);
inputStringUtf16 = testEncoderUnicode.GetBytes(inputStringHigh);
expectedBytes = Text.Encoding.Convert(testEncoderUnicode, testEncoder, inputStringUtf16);
encodedBytes = new Span <byte>(new byte[expectedBytes.Length]);
inputUtf16 = inputStringHigh.AsSpan();
Assert.False(utf8.TryEncode(inputUtf16, encodedBytes, out charactersConsumed, out bytesWritten));
Assert.Equal(0, charactersConsumed);
break;
case TextEncoderTestHelper.SupportedEncoding.FromString:
inputStringUtf16 = testEncoderUnicode.GetBytes(inputStringLow);
expectedBytes = Text.Encoding.Convert(testEncoderUnicode, testEncoder, inputStringUtf16);
encodedBytes = new Span <byte>(new byte[expectedBytes.Length]);
string inputStr = inputStringLow;
Assert.False(utf8.TryEncode(inputStr, encodedBytes, out bytesWritten));
inputStringUtf16 = testEncoderUnicode.GetBytes(inputStringHigh);
expectedBytes = Text.Encoding.Convert(testEncoderUnicode, testEncoder, inputStringUtf16);
encodedBytes = new Span <byte>(new byte[expectedBytes.Length]);
inputStr = inputStringHigh;
Assert.False(utf8.TryEncode(inputStr, encodedBytes, out bytesWritten));
break;
case TextEncoderTestHelper.SupportedEncoding.FromUtf32: // Invalid if codePoint > 0x10FFFF
default:
expectedBytes = Text.Encoding.Convert(testEncoderUtf32, testEncoder, inputUtf8Bytes);
encodedBytes = new Span <byte>(new byte[expectedBytes.Length]);
ReadOnlySpan <uint> input = inputUtf8Bytes.AsSpan().NonPortableCast <byte, uint>();
Assert.False(utf8.TryEncode(input, encodedBytes, out charactersConsumed, out bytesWritten));
Assert.Equal(0, charactersConsumed);
break;
}
Assert.Equal(0, bytesWritten);
}
