code = "$a = 'abc' ? {\n" + //
"'abc' =>" + "$1\n" + //
"}\n"; //
r = getResourceFromString(code);
AssertableDiagnostics asserter = tester.validate(r.getContents().get(0));
asserter.assertAll(AssertableDiagnostics.warningCode(IPPDiagnostics.ISSUE__MISSING_DEFAULT));
resourceWarningDiagnostics(r).assertAll(
AssertableResourceDiagnostics.diagnostic(IPPDiagnostics.ISSUE__UNKNOWN_REGEXP));
resourceErrorDiagnostics(r).assertOK();
}