public void match_methods_must_set_an_error()
{
var m = new StringMatcher( "A" );
DateTimeStamp ts;
CheckMatchError( m, () => m.MatchDateTimeStamp( out ts ) );
DateTime dt;
CheckMatchError( m, () => m.MatchFileNameUniqueTimeUtcFormat( out dt ) );
CheckMatchError( m, () => m.MatchText( "B" ) );
}