@Test
public void testConstructor() {

	try {
		createURLPatternMapper(
			new HashMap() {
				{
					put("", "");
				}
			});
		Assert.fail();
	}
	catch (IllegalArgumentException illegalArgumentException) {
	}
	try {
		createURLPatternMapper(
			new HashMap() {
				{
					put(null, "null");
				}
			});
		Assert.fail();
	}
	catch (IllegalArgumentException illegalArgumentException) {
	}
}