-
- @Test
- public void testCheckSetFieldCastIdentity() {
- assertNull(CodeHelpers.checkSetFieldCastIdentity(Identity.class, "foo", null));
- assertSame(Set.of(), CodeHelpers.checkSetFieldCastIdentity(Identity.class, "foo", Set.of()));
-
- final var set = Set.of(Identity.class);
- assertSame(set, CodeHelpers.checkSetFieldCastIdentity(Identity.class, "foo", set));
- final var derivedSet = Set.of(DerivedIdentity.class);
- assertSame(derivedSet, CodeHelpers.checkSetFieldCastIdentity(Identity.class, "foo", derivedSet));
-
- IllegalArgumentException iae = assertThrows(IllegalArgumentException.class,
- () -> CodeHelpers.checkSetFieldCastIdentity(Identity.class, "foo", Collections.singleton(null)));
- assertThat(iae.getCause(), instanceOf(NullPointerException.class));
-
- iae = assertThrows(IllegalArgumentException.class,
- () -> CodeHelpers.checkSetFieldCastIdentity(Identity.class, "foo", Set.of(new Object())));
- assertThat(iae.getCause(), instanceOf(ClassCastException.class));
-
- iae = assertThrows(IllegalArgumentException.class,
- () -> CodeHelpers.checkSetFieldCastIdentity(Identity.class, "foo", Set.of(BaseIdentity.class)));
- assertThat(iae.getCause(), instanceOf(ClassCastException.class));
- }
-
- private interface Identity extends BaseIdentity {
-
- }
-
- private interface DerivedIdentity extends Identity {
-
- }