@Test public void builder_forSimpleType() { // Given(SetUp) // When(Exercise) final TypedDefaultMutableTreeNodeBuilder<String> builder = TypedDefaultMutableTreeNodeBuilder.newBuilder(TypeToken.of(String.class)); final String data1 = "1"; final String data2 = "2"; final TypedDefaultMutableTreeNode<String> node = builder.build(data1); // Then(Verify) TypedDefaultMutableTreeNodeTest.compareAndSetUserObject(node, data1, data2); Assert.assertEquals(node.getUserObject(), data2); }