@Test
public void testAllowedValuesForASimpleTypeCollection() {
final String testNS = "testDROOLS2357";
final FEEL feel = FEEL.newInstance();
final DMNType tDecision1 = typeRegistry.registerType(new SimpleTypeImpl(testNS, "tListOfVowels", null, true, feel.evaluateUnaryTests("\"a\",\"e\",\"i\",\"o\",\"u\""), FEEL_STRING, BuiltInType.STRING));
assertTrue(tDecision1.isAssignableValue("a"));
assertTrue(tDecision1.isAssignableValue(Collections.singletonList("a")));
assertFalse(tDecision1.isAssignableValue("z"));
assertTrue(tDecision1.isAssignableValue(Arrays.asList("a", "e")));
assertFalse(tDecision1.isAssignableValue(Arrays.asList("a", "e", "zzz")));
}