@Test(expected = IllegalArgumentException.class)
	public void testEmptyList() {
		new DateTrigger((Date) null);
		fail("A null constructor entry should cause DateTrigger to fire an IllegalArgumentException");
	}
Tests for {@link DateTrigger}.

@author Glenn Renfro
spring-xd-module/src/test/java/org/springframework/xd/module/support/DateTriggerTest.java