@Test
public void supportsPosixlyCorrectBehavior() {
OptionParser parser = new OptionParser("i:j::k");
String[] arguments = {
"-ibar", "-i", "junk", "xyz", "-jixnay", "foo", "-k", "blah", "--", "bah"
};
OptionSet options = parser.parse(arguments);
assertTrue(options.has("i"));
assertTrue(options.has("j"));
assertTrue(options.has("k"));
assertEquals(asList("bar", "junk"), options.valuesOf("i"));
assertEquals(singletonList("ixnay"), options.valuesOf("j"));
assertEquals(asList("xyz", "foo", "blah", "bah"), options.nonOptionArguments());
parser.posixlyCorrect(true);
options = parser.parse(arguments);
assertTrue(options.has("i"));
assertFalse(options.has("j"));
assertFalse(options.has("k"));
assertEquals(asList("bar", "junk"), options.valuesOf("i"));
assertEquals(emptyList(), options.valuesOf("j"));
assertEquals(
asList("xyz", "-jixnay", "foo", "-k", "blah", "--", "bah"), options.nonOptionArguments());
}
