public unsafe void BytePositiveHexTests(string text, int length, byte expectedValue, int expectedConsumed) { byte[] byteBuffer = new Utf8String(text).CopyBytes(); ReadOnlySpan <byte> byteSpan = new ReadOnlySpan <byte>(byteBuffer); char[] charBuffer = text.ToCharArray(); ReadOnlySpan <char> charSpan = new ReadOnlySpan <char>(charBuffer); bool result; byte actualValue; int actualConsumed; result = PrimitiveParser.TryParseByte(byteSpan, out actualValue, out actualConsumed, EncodingData.InvariantUtf8, 'X'); Assert.True(result); Assert.Equal(expectedValue, actualValue); Assert.Equal(expectedConsumed, actualConsumed); fixed(byte *bytePointer = byteBuffer) { result = PrimitiveParser.InvariantUtf8.Hex.TryParseByte(bytePointer, length, out actualValue); Assert.True(result); Assert.Equal(expectedValue, actualValue); result = PrimitiveParser.InvariantUtf8.Hex.TryParseByte(bytePointer, length, out actualValue, out actualConsumed); Assert.True(result); Assert.Equal(expectedValue, actualValue); Assert.Equal(expectedConsumed, actualConsumed); } result = PrimitiveParser.InvariantUtf8.Hex.TryParseByte(byteSpan, out actualValue); Assert.True(result); Assert.Equal(expectedValue, actualValue); result = PrimitiveParser.InvariantUtf8.Hex.TryParseByte(byteSpan, out actualValue, out actualConsumed); Assert.True(result); Assert.Equal(expectedValue, actualValue); Assert.Equal(expectedConsumed, actualConsumed); ReadOnlySpan <byte> utf16ByteSpan = charSpan.Cast <char, byte>(); result = PrimitiveParser.TryParseByte(utf16ByteSpan, out actualValue, out actualConsumed, EncodingData.InvariantUtf16, 'X'); Assert.True(result); Assert.Equal(expectedValue, actualValue); Assert.Equal(expectedConsumed, actualConsumed / 2); fixed(char *charPointer = charBuffer) { result = PrimitiveParser.InvariantUtf16.Hex.TryParseByte(charPointer, length, out actualValue); Assert.True(result); Assert.Equal(expectedValue, actualValue); result = PrimitiveParser.InvariantUtf16.Hex.TryParseByte(charPointer, length, out actualValue, out actualConsumed); Assert.True(result); Assert.Equal(expectedValue, actualValue); Assert.Equal(expectedConsumed, actualConsumed); } result = PrimitiveParser.InvariantUtf16.Hex.TryParseByte(charSpan, out actualValue); Assert.True(result); Assert.Equal(expectedValue, actualValue); result = PrimitiveParser.InvariantUtf16.Hex.TryParseByte(charSpan, out actualValue, out actualConsumed); Assert.True(result); Assert.Equal(expectedValue, actualValue); Assert.Equal(expectedConsumed, actualConsumed); }