public void match_methods_must_set_an_error()
{
var m = new VirtualStringMatcher(new FakeVirtualString("A"));
CheckMatchError(m, () => m.MatchChar('B'));
CheckMatchError(m, () => m.MatchInt32(out int i));
CheckMatchError(m, () => m.MatchText("PP"));
CheckMatchError(m, () => m.MatchText("B"));
CheckMatchError(m, () => m.MatchWhiteSpaces());
}