public void testNotNull() {
MapConstraint<Object, Object> constraint = MapConstraints.notNull();
constraint.checkKeyValue("foo", 1);
assertEquals("Not null", constraint.toString());
try {
constraint.checkKeyValue(null, 1);
fail("NullPointerException expected");
} catch (NullPointerException expected) {
}
try {
constraint.checkKeyValue("foo", null);
fail("NullPointerException expected");
} catch (NullPointerException expected) {
}
try {
constraint.checkKeyValue(null, null);
fail("NullPointerException expected");
} catch (NullPointerException expected) {
}
}
