@Test public void imageResource() { // Arrange ImageResource testImageResource = MyClientBundle.INSTANCE.testImageResource(); // Act String name = testImageResource.getName(); String url = testImageResource.getSafeUri().asString(); int heigh = testImageResource.getHeight(); int left = testImageResource.getLeft(); int width = testImageResource.getWidth(); int top = testImageResource.getTop(); String toString = testImageResource.toString(); // Assert assertEquals("testImageResource", name); assertEquals( "http://127.0.0.1:8888/gwt_test_utils_module/com/octo/gwt/test/resources/testImageResource.gif", url); assertEquals(0, heigh); assertEquals(0, left); assertEquals(0, width); assertEquals(0, top); assertEquals( "com.octo.gwt.test.internal.resources.ImageResourceCallback generated for 'com.octo.gwt.test.resources.MyClientBundle.testImageResource()'", toString); assertEquals(testImageResource, MyClientBundle.INSTANCE.testImageResource()); }