public void CanEncodeTest()
{
var defaultEncoding = EncodingUtilities.CurrentSystemOemEncoding;
string nonAnsiCharacters = "\u521B\u5EFA";
string pathWithAnsiCharacters = @"c:\windows\system32\cmd.exe";
Assert.False(Exec.CanEncodeString(defaultEncoding.CodePage, nonAnsiCharacters));
Assert.True(Exec.CanEncodeString(defaultEncoding.CodePage, pathWithAnsiCharacters));
}