@Test public void testErrorResourceIsSetOnLoadFailed() { final int expectedId = 12345; Drawable expected = new ColorDrawable(Color.RED); Context context = mockContextToReturn(expectedId, expected); MockTarget target = new MockTarget(); harness.context = context; harness.errorResourceId = expectedId; harness.target = target; GenericRequest request = harness.getRequest(); request.onException(null); assertEquals(expected, target.currentPlaceholder); }