public void testRenderPageIncrement() throws IOException {
    Scale scale = new Scale(shell, SWT.NONE);

    scale.setPageIncrement(20);
    lca.renderChanges(scale);

    Message message = Fixture.getProtocolMessage();
    assertEquals(new Integer(20), message.findSetProperty(scale, "pageIncrement"));
  }
  public void testRenderMaxmum() throws IOException {
    Scale scale = new Scale(shell, SWT.NONE);

    scale.setMaximum(10);
    lca.renderChanges(scale);

    Message message = Fixture.getProtocolMessage();
    assertEquals(new Integer(10), message.findSetProperty(scale, "maximum"));
  }
  public void testRenderAddSelectionListener() throws Exception {
    Scale scale = new Scale(shell, SWT.NONE);
    Fixture.markInitialized(display);
    Fixture.markInitialized(scale);
    Fixture.preserveWidgets();

    scale.addSelectionListener(new SelectionAdapter() {});
    lca.renderChanges(scale);

    Message message = Fixture.getProtocolMessage();
    assertEquals(Boolean.TRUE, message.findListenProperty(scale, "selection"));
  }
  public void testRenderPageIncrementUnchanged() throws IOException {
    Scale scale = new Scale(shell, SWT.NONE);
    Fixture.markInitialized(display);
    Fixture.markInitialized(scale);

    scale.setPageIncrement(20);
    Fixture.preserveWidgets();
    lca.renderChanges(scale);

    Message message = Fixture.getProtocolMessage();
    assertNull(message.findSetOperation(scale, "pageIncrement"));
  }
  public void testRenderSelectionListenerUnchanged() throws Exception {
    Scale scale = new Scale(shell, SWT.NONE);
    Fixture.markInitialized(display);
    Fixture.markInitialized(scale);
    Fixture.preserveWidgets();

    scale.addSelectionListener(new SelectionAdapter() {});
    Fixture.preserveWidgets();
    lca.renderChanges(scale);

    Message message = Fixture.getProtocolMessage();
    assertNull(message.findListenOperation(scale, "selection"));
  }