public void EncodingEncodesThrowExceptionIfInvalidHexNumber()
{
Encoding encoding = new EscapeOutRangeEncoding("utf-8");
string input = "あ[@!!Q3]あ";
Assert.Throws <FormatException>(() => encoding.GetBytes(input));
}
public void EncodingEncodesThrowExceptionIfMissingEndToken()
{
Encoding encoding = new EscapeOutRangeEncoding("utf-8");
string input = "あ[@!!E3";
Assert.Throws <EncoderFallbackException>(() => encoding.GetBytes(input));
}
public void EncodingEncodesInvalidUtf8Symbols()
{
Encoding encoding = new EscapeOutRangeEncoding("utf-8");
string input = "あ[@!!E3]あ";
byte[] output = encoding.GetBytes(input);
Assert.AreEqual(output.Length, encoding.GetByteCount(input));
Assert.Less(output.Length, encoding.GetMaxByteCount(3));
Assert.IsTrue(output.SequenceEqual(new byte[] { 0xE3, 0x81, 0x82, 0xE3, 0xE3, 0x81, 0x82 }));
}
public void EncodingDoesNotChangeValidUtf8Symbols()
{
Encoding encoding = new EscapeOutRangeEncoding("utf-8");
byte[] validBuffer = { 0xE3, 0x81, 0x82, 0xE3, 0xE3, 0x81, 0x82 };
string output = encoding.GetString(validBuffer);
Assert.AreEqual(output.Length, encoding.GetCharCount(validBuffer));
Assert.Less(output.Length, encoding.GetMaxCharCount(3));
Assert.AreEqual("あ[@!!E3]あ", output);
}
public void EncodingReplaceInvalidUtf8Symbols()
{
Encoding encoding = new EscapeOutRangeEncoding("utf-8");
byte[] invalidBuffer = { 0xE2, 0x81, 0xE3, 0xE4 };
string output = encoding.GetString(invalidBuffer);
Assert.AreEqual(output.Length, encoding.GetCharCount(invalidBuffer));
Assert.Less(output.Length, encoding.GetMaxCharCount(4));
Assert.AreEqual("[@!!E281][@!!E3][@!!E4]", output);
}
public void EncodingThrowsWithInvalidArguments()
{
Encoding encoding = new EscapeOutRangeEncoding("utf-8");
char[] input = "test".ToCharArray();
byte[] output = new byte[10];
Assert.Throws <ArgumentNullException>(
() => encoding.GetBytes((char[])null, 0, 0, output, 0));
Assert.Throws <ArgumentOutOfRangeException>(
() => encoding.GetBytes(input, -1, 1, output, 0));
Assert.Throws <ArgumentOutOfRangeException>(
() => encoding.GetBytes(input, 10, 0, output, 0));
Assert.Throws <ArgumentOutOfRangeException>(
() => encoding.GetBytes(input, 0, -1, output, 0));
Assert.Throws <ArgumentOutOfRangeException>(
() => encoding.GetBytes(input, 2, 4, output, 0));
Assert.Throws <ArgumentNullException>(
() => encoding.GetBytes(input, 0, 4, null, 0));
Assert.Throws <ArgumentOutOfRangeException>(
() => encoding.GetBytes(input, 0, 4, output, -1));
Assert.Throws <ArgumentOutOfRangeException>(
() => encoding.GetBytes(input, 0, 4, output, 15));
}
