public void DecodeIfNotBinary_NulCharacters()
{
Action <string, Encoding, bool> verify = (text, encoding, shallThrow) =>
{
using (var stream = new MemoryStream(encoding.GetBytes(text)))
{
if (shallThrow)
{
Assert.Throws(typeof(InvalidDataException), () => EncodedStringText.DecodeIfNotBinary(stream, encoding));
}
else
{
Assert.Equal(text, EncodedStringText.DecodeIfNotBinary(stream, encoding));
Assert.True(stream.CanRead);
}
}
};
verify("", Encoding.BigEndianUnicode, false);
verify("\0abc", Encoding.GetEncoding(437), false);
verify("a\0bc", Encoding.UTF8, false);
verify("abc\0", Encoding.GetEncoding(1252), false);
verify("a\0b\0c", Encoding.UTF32, false);
verify("\0\0abc", Encoding.Unicode, true);
verify("a\0\0bc", Encoding.ASCII, true);
verify("abc\0\0", Encoding.Default, true);
}
public void DecodeIfNotBinary()
{
var encoding = Encoding.GetEncoding(1252);
var bytes = new byte[] { 0x81, 0x8D, 0x8F, 0x90, 0x9D };
using (var stream = new MemoryStream(bytes))
{
Assert.Equal("\x81\x8D\x8F\x90\x9D", EncodedStringText.DecodeIfNotBinary(stream, encoding));
Assert.True(stream.CanRead);
}
var text = "abc def baz aeiouy äëïöüû";
bytes = GetBytes(encoding, text);
using (var stream = new MemoryStream(bytes))
{
Assert.Equal(text, EncodedStringText.DecodeIfNotBinary(stream, encoding));
Assert.True(stream.CanRead);
}
// Test binary detection with a real binary
using (var stream = new MemoryStream(ProprietaryTestResources.NetFX.v4_0_30319.System))
{
Assert.Throws(typeof(InvalidDataException), () => EncodedStringText.DecodeIfNotBinary(stream, encoding));
Assert.True(stream.CanRead);
}
// Large file decode
text = new String('x', 1024 * 1024);
bytes = GetBytes(encoding, text);
using (var stream = new MemoryStream(bytes))
{
Assert.Equal(text, EncodedStringText.DecodeIfNotBinary(stream, encoding));
Assert.True(stream.CanRead);
}
}