2.1/user/test/com/google/gwt/user/client/ui/PopupTest.java - gwt - Git at Google

 /*
  * Copyright 2009 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
  * the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  * License for the specific language governing permissions and limitations under
  * the License.
  */
 package com.google.gwt.user.client.ui;

 import com.google.gwt.dom.client.DivElement;
 import com.google.gwt.dom.client.Document;
 import com.google.gwt.dom.client.Element;
 import com.google.gwt.event.logical.shared.CloseEvent;
 import com.google.gwt.event.logical.shared.CloseHandler;
 import com.google.gwt.junit.DoNotRunWith;
 import com.google.gwt.junit.Platform;
 import com.google.gwt.junit.client.GWTTestCase;
 import com.google.gwt.user.client.History;
 import com.google.gwt.user.client.Timer;
 import com.google.gwt.user.client.Window;

 /**
  * Tests for {@link PopupPanel}.
  */
 public class PopupTest extends GWTTestCase {

   /**
    * The Widget adder used to set the widget in a {@link PopupPanel}.
    */
   private static class Adder implements HasWidgetsTester.WidgetAdder {
     public void addChild(HasWidgets container, Widget child) {
       ((PopupPanel) container).setWidget(child);
     }
   }

   /**
    * Expose otherwise private or protected methods.
    */
   private static class TestablePopupPanel extends PopupPanel {
     private int onLoadCount;

     public void assertOnLoadCount(int expected) {
       assertEquals(expected, onLoadCount);
     }

     @Override
     public com.google.gwt.user.client.Element getContainerElement() {
       return super.getContainerElement();
     }

     @Override
     public void onLoad() {
       super.onLoad();
       onLoadCount++;
     }
   }

   @Override
   public String getModuleName() {
     return "com.google.gwt.user.User";
   }

   /**
    * Test the basic accessors.
    */
   public void testAccessors() {
     PopupPanel popup = createPopupPanel();

     // Animation enabled
     assertFalse(popup.isAnimationEnabled());
     popup.setAnimationEnabled(true);
     assertTrue(popup.isAnimationEnabled());

     // Modal
     popup.setModal(true);
     assertTrue(popup.isModal());
     popup.setModal(false);
     assertFalse(popup.isModal());

     // AutoHide enabled
     popup.setAutoHideEnabled(true);
     assertTrue(popup.isAutoHideEnabled());
     popup.setAutoHideEnabled(false);
     assertFalse(popup.isAutoHideEnabled());

     // PreviewAllNativeEvents enabled
     popup.setPreviewingAllNativeEvents(true);
     assertTrue(popup.isPreviewingAllNativeEvents());
     popup.setPreviewingAllNativeEvents(false);
     assertFalse(popup.isPreviewingAllNativeEvents());

     // setVisible
     assertTrue(popup.isVisible());
     popup.setVisible(false);
     assertFalse(popup.isVisible());
     popup.setVisible(true);
     assertTrue(popup.isVisible());

     // isShowing
     assertFalse(popup.isShowing());
     popup.show();
     assertTrue(popup.isShowing());
     popup.hide();
     assertFalse(popup.isShowing());
   }

   public void testAttachDetachOrder() {
     HasWidgetsTester.testAll(createPopupPanel(), new Adder(), false);
   }

   public void testAutoHidePartner() {
     final PopupPanel popup = new PopupPanel();

     // Add a partner
     DivElement partner0 = Document.get().createDivElement();
     popup.addAutoHidePartner(partner0);
     popup.addAutoHidePartner(Document.get().createDivElement());

     // Remove a partner
     popup.removeAutoHidePartner(partner0);
   }

   public void testAutoHideOnHistoryEvent() {
     PopupPanel popup = createPopupPanel();
     popup.show();
     assertTrue(popup.isShowing());

     // When autoHideOnHistoryEvent is disabled, the popup remains visible.
     History.newItem("popupToken0");
     assertTrue(popup.isShowing());

     // When autoHideOnHistoryEvent is enabled, the popup is hidden.
     popup.setAutoHideOnHistoryEventsEnabled(true);
     History.newItem("popupToken1");
     assertFalse(popup.isShowing());
   }

   /**
    * Tests that a large PopupPanel is not positioned off the top or left edges
    * of the browser window, making part of the panel unreachable.
    */
   public void testCenterLargePopup() {
     PopupPanel popup = new PopupPanel();
     popup.setHeight("4096px");
     popup.setWidth("4096px");
     popup.setWidget(new Label("foo"));
     popup.center();
     assertEquals(0, popup.getAbsoluteTop());
     assertEquals(0, popup.getAbsoluteLeft());
   }

   /**
    * Issue 2463: If a {@link PopupPanel} contains a dependent {@link PopupPanel}
    * that is hidden or shown in the onDetach or onAttach method, we could run
    * into conflicts with the animations. The {@link MenuBar} exhibits this
    * behavior because, when we detach a {@link MenuBar} from the page, it closes
    * all of its sub menus, each located in a different {@link PopupPanel}.
    */
   @DoNotRunWith(Platform.HtmlUnitUnknown)
   public void testDependantPopupPanel() {
     // Create the dependent popup
     final PopupPanel dependantPopup = createPopupPanel();
     dependantPopup.setAnimationEnabled(true);

     // Create the primary popup
     final PopupPanel primaryPopup = new PopupPanel(false, false) {
       @Override
       protected void onAttach() {
         dependantPopup.show();
         super.onAttach();
       }

       @Override
       protected void onDetach() {
         dependantPopup.hide();
         super.onDetach();
       }
     };
     primaryPopup.setAnimationEnabled(true);

     testDependantPopupPanel(primaryPopup);
   }

   public void testGlassPanelDisabled() {
     // Verify that the glass is disabled by default
     PopupPanel popup = createPopupPanel();
     assertFalse(popup.isGlassEnabled());
     assertNull(popup.getGlassElement());

     // Verify the glass panel is never created
     popup.show();
     assertNull(popup.getGlassElement());
     popup.hide();
   }

   public void testGlassDisabledWhileShowing() {
     // Show the popup and glass panel
     PopupPanel popup = createPopupPanel();
     popup.setGlassEnabled(true);
     Element glass = popup.getGlassElement();
     popup.show();

     // Disable the glass panel and hide the popup
     popup.setGlassEnabled(false);
     assertTrue(isAttached(glass));
     popup.hide();
     assertFalse(isAttached(glass));

     // Show the popup and verify that glass is no longer used
     popup.show();
     assertFalse(isAttached(glass));
     popup.hide();
   }

   public void testGlassEnabled() {
     // Verify that the glass is disabled by default
     PopupPanel popup = createPopupPanel();
     assertFalse(popup.isGlassEnabled());
     assertNull(popup.getGlassElement());

     // Enable the glass panel and verify it is created
     popup.setGlassEnabled(true);
     Element glass = popup.getGlassElement();
     assertNotNull(glass);
     assertFalse(isAttached(glass));

     // Show the popup and verify the glass panel is added
     popup.show();
     assertTrue(isAttached(glass));

     // Hide the popup and verify the glass panel is removed
     popup.hide();
     assertFalse(isAttached(glass));
   }

   public void testGlassEnabledWhileShowing() {
     // Verify that the glass is disabled by default
     PopupPanel popup = createPopupPanel();
     assertFalse(popup.isGlassEnabled());
     assertNull(popup.getGlassElement());

     // Show the popup and enable the glass panel
     popup.show();
     popup.setGlassEnabled(true);
     Element glass = popup.getGlassElement();
     assertNotNull(glass);
     assertFalse(isAttached(glass));

     // Hide the popup and verify the glass panel is removed
     popup.hide();
     assertFalse(isAttached(glass));

     // Show the popup and verify the glas is now used
     popup.show();
     assertTrue(isAttached(glass));
     popup.hide();
   }

   /**
    * Test the hiding a popup while it is showing will not result in an illegal
    * state.
    */
   public void testHideWhileShowing() {
     PopupPanel popup = createPopupPanel();

     // Start showing the popup.
     popup.setAnimationEnabled(true);
     popup.show();
     assertTrue(popup.isShowing());

     // Hide the popup while its showing.
     popup.hide();
     assertFalse(popup.isShowing());
   }

   /**
    * Test that the onLoad method is only called once when showing the popup.
    */
   public void testOnLoad() {
     TestablePopupPanel popup = new TestablePopupPanel();

     // show() without animation
     {
       popup.setAnimationEnabled(false);
       popup.show();
       popup.assertOnLoadCount(1);
       popup.hide();
     }

     // show() with animation
     {
       popup.setAnimationEnabled(true);
       popup.show();
       popup.assertOnLoadCount(2);
       popup.hide();
     }

     // center() without animation
     {
       popup.setAnimationEnabled(false);
       popup.center();
       popup.assertOnLoadCount(3);
       popup.hide();
     }

     // center() with animation
     {
       popup.setAnimationEnabled(true);
       popup.center();
       popup.assertOnLoadCount(4);
       popup.hide();
     }
   }

   public void testPopup() {
     // Get rid of window margins so we can test absolute position.
     Window.setMargin("0px");

     PopupPanel popup = createPopupPanel();
     popup.setAnimationEnabled(false);
     Label lbl = new Label("foo");

     // Make sure that setting the popup's size & position works _before_
     // setting its widget.
     popup.setSize("384px", "128px");
     popup.setPopupPosition(128, 64);
     popup.setWidget(lbl);
     popup.show();

     // DecoratorPanel adds width and height because it wraps the content in a
     // 3x3 table.
     assertTrue("Expected >= 384, got " + popup.getOffsetWidth(),
         popup.getOffsetWidth() >= 384);
     assertTrue("Expected >= 128, got " + popup.getOffsetHeight(),
         popup.getOffsetHeight() >= 128);
     assertEquals(128, popup.getPopupLeft());
     assertEquals(64, popup.getPopupTop());

     // Make sure that the popup returns to the correct position
     // after hiding and showing it.
     popup.hide();
     popup.show();
     assertEquals(128, popup.getPopupLeft());
     assertEquals(64, popup.getPopupTop());

     // Make sure that setting the popup's size & position works _after_
     // setting its widget (and that clearing its size properly resizes it to
     // its widget's size).
     popup.setSize("", "");
     popup.setPopupPosition(16, 16);

     // DecoratorPanel adds width and height because it wraps the content in a
     // 3x3 table.
     assertTrue(popup.getOffsetWidth() >= lbl.getOffsetWidth());
     assertTrue(popup.getOffsetWidth() >= lbl.getOffsetHeight());
     assertEquals(16, popup.getAbsoluteLeft());
     assertEquals(16, popup.getAbsoluteTop());

     // Ensure that hiding the popup fires the appropriate events.
     delayTestFinish(1000);
     popup.addCloseHandler(new CloseHandler<PopupPanel>() {
       public void onClose(CloseEvent<PopupPanel> event) {
         finishTest();
       }
     });
     popup.hide();
   }

   /**
    * Issue 4720: Glass is not removed when removeFromParent is called.
    */
   public void testRemoveFromParent() {
     PopupPanel popup = createPopupPanel();
     popup.setGlassEnabled(true);
     assertNull(popup.getGlassElement().getParentElement());

     popup.show();
     assertNotNull(popup.getGlassElement().getParentElement());

     popup.removeFromParent();
     assertNull(popup.getGlassElement().getParentElement());
   }

   public void testSeparateContainers() {
     TestablePopupPanel p1 = new TestablePopupPanel();
     TestablePopupPanel p2 = new TestablePopupPanel();
     assertTrue(p1.getContainerElement() != null);
     assertTrue(p2.getContainerElement() != null);
     assertFalse(p1.getContainerElement() == p2.getContainerElement());
   }

   /**
    * Issue 2481: Try to set the contents of the popup while the popup is
    * attached. When we hide the popup, this should not leave the popup in an
    * invalid attach state.
    */
   public void testSetWidgetWhileAttached() {
     PopupPanel popup = createPopupPanel();
     popup.show();
     popup.setWidget(new Label("test"));
     popup.hide();
   }

   public void testSetVisibleWithGlass() {
     PopupPanel popup = createPopupPanel();
     popup.setGlassEnabled(true);
     popup.show();

     Element glass = popup.getGlassElement();
     assertTrue(popup.isVisible());
     assertFalse("hidden".equalsIgnoreCase(glass.getStyle().getVisibility()));

     popup.setVisible(false);
     assertFalse(popup.isVisible());
     assertTrue("hidden".equalsIgnoreCase(glass.getStyle().getVisibility()));

     popup.setVisible(true);
     assertTrue(popup.isVisible());
     assertFalse("hidden".equalsIgnoreCase(glass.getStyle().getVisibility()));

     popup.hide();
   }

   /**
    * Test that showing a popup while it is attached does not put it in an
    * invalid state.
    */
   public void testShowWhileAttached() {
     PopupPanel popup = createPopupPanel();
     RootPanel.get().add(popup);
     popup.show();
     assertTrue(popup.isAttached());
     assertTrue(popup.isShowing());

     popup.hide();
     assertFalse(popup.isAttached());
     assertFalse(popup.isShowing());
   }

   /**
    * Test that showing a popup while it is hiding will not result in an illegal
    * state.
    */
   public void testShowWhileHiding() {
     PopupPanel popup = createPopupPanel();

     // Show the popup
     popup.setAnimationEnabled(false);
     popup.show();
     assertTrue(popup.isShowing());

     // Start hiding the popup
     popup.setAnimationEnabled(true);
     popup.hide();
     assertFalse(popup.isShowing());

     // Show the popup while its hiding
     popup.show();
     assertTrue(popup.isShowing());
   }

   /**
    * Create a new PopupPanel.
    */
   protected PopupPanel createPopupPanel() {
     return new PopupPanel();
   }

   @Override
   protected void gwtTearDown() {
     RootPanel.get().clear();
   }

   /**
    * @see #testDependantPopupPanel()
    */
   protected void testDependantPopupPanel(final PopupPanel primaryPopup) {
     // Show the popup
     primaryPopup.show();

     // Hide the popup
     new Timer() {
       @Override
       public void run() {
         primaryPopup.hide();
       }
     }.schedule(1000);

     delayTestFinish(5000);
     // Give time for any errors to occur
     new Timer() {
       @Override
       public void run() {
         finishTest();
       }
     }.schedule(2000);
   }

   private boolean isAttached(Element elem) {
     return Document.get().getBody().isOrHasChild(elem);
   }
 }
	/*
	* Copyright 2009 Google Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License"); you may not
	* use this file except in compliance with the License. You may obtain a copy of
	* the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
	* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
	* License for the specific language governing permissions and limitations under
	* the License.
	*/
	package com.google.gwt.user.client.ui;

	import com.google.gwt.dom.client.DivElement;
	import com.google.gwt.dom.client.Document;
	import com.google.gwt.dom.client.Element;
	import com.google.gwt.event.logical.shared.CloseEvent;
	import com.google.gwt.event.logical.shared.CloseHandler;
	import com.google.gwt.junit.DoNotRunWith;
	import com.google.gwt.junit.Platform;
	import com.google.gwt.junit.client.GWTTestCase;
	import com.google.gwt.user.client.History;
	import com.google.gwt.user.client.Timer;
	import com.google.gwt.user.client.Window;

	/**
	* Tests for {@link PopupPanel}.
	*/
	public class PopupTest extends GWTTestCase {

	/**
	* The Widget adder used to set the widget in a {@link PopupPanel}.
	*/
	private static class Adder implements HasWidgetsTester.WidgetAdder {
	public void addChild(HasWidgets container, Widget child) {
	((PopupPanel) container).setWidget(child);
	}
	}

	/**
	* Expose otherwise private or protected methods.
	*/
	private static class TestablePopupPanel extends PopupPanel {
	private int onLoadCount;

	public void assertOnLoadCount(int expected) {
	assertEquals(expected, onLoadCount);
	}

	@Override
	public com.google.gwt.user.client.Element getContainerElement() {
	return super.getContainerElement();
	}

	@Override
	public void onLoad() {
	super.onLoad();
	onLoadCount++;
	}
	}

	@Override
	public String getModuleName() {
	return "com.google.gwt.user.User";
	}

	/**
	* Test the basic accessors.
	*/
	public void testAccessors() {
	PopupPanel popup = createPopupPanel();

	// Animation enabled
	assertFalse(popup.isAnimationEnabled());
	popup.setAnimationEnabled(true);
	assertTrue(popup.isAnimationEnabled());

	// Modal
	popup.setModal(true);
	assertTrue(popup.isModal());
	popup.setModal(false);
	assertFalse(popup.isModal());

	// AutoHide enabled
	popup.setAutoHideEnabled(true);
	assertTrue(popup.isAutoHideEnabled());
	popup.setAutoHideEnabled(false);
	assertFalse(popup.isAutoHideEnabled());

	// PreviewAllNativeEvents enabled
	popup.setPreviewingAllNativeEvents(true);
	assertTrue(popup.isPreviewingAllNativeEvents());
	popup.setPreviewingAllNativeEvents(false);
	assertFalse(popup.isPreviewingAllNativeEvents());

	// setVisible
	assertTrue(popup.isVisible());
	popup.setVisible(false);
	assertFalse(popup.isVisible());
	popup.setVisible(true);
	assertTrue(popup.isVisible());

	// isShowing
	assertFalse(popup.isShowing());
	popup.show();
	assertTrue(popup.isShowing());
	popup.hide();
	assertFalse(popup.isShowing());
	}

	public void testAttachDetachOrder() {
	HasWidgetsTester.testAll(createPopupPanel(), new Adder(), false);
	}

	public void testAutoHidePartner() {
	final PopupPanel popup = new PopupPanel();

	// Add a partner
	DivElement partner0 = Document.get().createDivElement();
	popup.addAutoHidePartner(partner0);
	popup.addAutoHidePartner(Document.get().createDivElement());

	// Remove a partner
	popup.removeAutoHidePartner(partner0);
	}

	public void testAutoHideOnHistoryEvent() {
	PopupPanel popup = createPopupPanel();
	popup.show();
	assertTrue(popup.isShowing());

	// When autoHideOnHistoryEvent is disabled, the popup remains visible.
	History.newItem("popupToken0");
	assertTrue(popup.isShowing());

	// When autoHideOnHistoryEvent is enabled, the popup is hidden.
	popup.setAutoHideOnHistoryEventsEnabled(true);
	History.newItem("popupToken1");
	assertFalse(popup.isShowing());
	}

	/**
	* Tests that a large PopupPanel is not positioned off the top or left edges
	* of the browser window, making part of the panel unreachable.
	*/
	public void testCenterLargePopup() {
	PopupPanel popup = new PopupPanel();
	popup.setHeight("4096px");
	popup.setWidth("4096px");
	popup.setWidget(new Label("foo"));
	popup.center();
	assertEquals(0, popup.getAbsoluteTop());
	assertEquals(0, popup.getAbsoluteLeft());
	}

	/**
	* Issue 2463: If a {@link PopupPanel} contains a dependent {@link PopupPanel}
	* that is hidden or shown in the onDetach or onAttach method, we could run
	* into conflicts with the animations. The {@link MenuBar} exhibits this
	* behavior because, when we detach a {@link MenuBar} from the page, it closes
	* all of its sub menus, each located in a different {@link PopupPanel}.
	*/
	@DoNotRunWith(Platform.HtmlUnitUnknown)
	public void testDependantPopupPanel() {
	// Create the dependent popup
	final PopupPanel dependantPopup = createPopupPanel();
	dependantPopup.setAnimationEnabled(true);

	// Create the primary popup
	final PopupPanel primaryPopup = new PopupPanel(false, false) {
	@Override
	protected void onAttach() {
	dependantPopup.show();
	super.onAttach();
	}

	@Override
	protected void onDetach() {
	dependantPopup.hide();
	super.onDetach();
	}
	};
	primaryPopup.setAnimationEnabled(true);

	testDependantPopupPanel(primaryPopup);
	}

	public void testGlassPanelDisabled() {
	// Verify that the glass is disabled by default
	PopupPanel popup = createPopupPanel();
	assertFalse(popup.isGlassEnabled());
	assertNull(popup.getGlassElement());

	// Verify the glass panel is never created
	popup.show();
	assertNull(popup.getGlassElement());
	popup.hide();
	}

	public void testGlassDisabledWhileShowing() {
	// Show the popup and glass panel
	PopupPanel popup = createPopupPanel();
	popup.setGlassEnabled(true);
	Element glass = popup.getGlassElement();
	popup.show();

	// Disable the glass panel and hide the popup
	popup.setGlassEnabled(false);
	assertTrue(isAttached(glass));
	popup.hide();
	assertFalse(isAttached(glass));

	// Show the popup and verify that glass is no longer used
	popup.show();
	assertFalse(isAttached(glass));
	popup.hide();
	}

	public void testGlassEnabled() {
	// Verify that the glass is disabled by default
	PopupPanel popup = createPopupPanel();
	assertFalse(popup.isGlassEnabled());
	assertNull(popup.getGlassElement());

	// Enable the glass panel and verify it is created
	popup.setGlassEnabled(true);
	Element glass = popup.getGlassElement();
	assertNotNull(glass);
	assertFalse(isAttached(glass));

	// Show the popup and verify the glass panel is added
	popup.show();
	assertTrue(isAttached(glass));

	// Hide the popup and verify the glass panel is removed
	popup.hide();
	assertFalse(isAttached(glass));
	}

	public void testGlassEnabledWhileShowing() {
	// Verify that the glass is disabled by default
	PopupPanel popup = createPopupPanel();
	assertFalse(popup.isGlassEnabled());
	assertNull(popup.getGlassElement());

	// Show the popup and enable the glass panel
	popup.show();
	popup.setGlassEnabled(true);
	Element glass = popup.getGlassElement();
	assertNotNull(glass);
	assertFalse(isAttached(glass));

	// Hide the popup and verify the glass panel is removed
	popup.hide();
	assertFalse(isAttached(glass));

	// Show the popup and verify the glas is now used
	popup.show();
	assertTrue(isAttached(glass));
	popup.hide();
	}

	/**
	* Test the hiding a popup while it is showing will not result in an illegal
	* state.
	*/
	public void testHideWhileShowing() {
	PopupPanel popup = createPopupPanel();

	// Start showing the popup.
	popup.setAnimationEnabled(true);
	popup.show();
	assertTrue(popup.isShowing());

	// Hide the popup while its showing.
	popup.hide();
	assertFalse(popup.isShowing());
	}

	/**
	* Test that the onLoad method is only called once when showing the popup.
	*/
	public void testOnLoad() {
	TestablePopupPanel popup = new TestablePopupPanel();

	// show() without animation
	{
	popup.setAnimationEnabled(false);
	popup.show();
	popup.assertOnLoadCount(1);
	popup.hide();
	}

	// show() with animation
	{
	popup.setAnimationEnabled(true);
	popup.show();
	popup.assertOnLoadCount(2);
	popup.hide();
	}

	// center() without animation
	{
	popup.setAnimationEnabled(false);
	popup.center();
	popup.assertOnLoadCount(3);
	popup.hide();
	}

	// center() with animation
	{
	popup.setAnimationEnabled(true);
	popup.center();
	popup.assertOnLoadCount(4);
	popup.hide();
	}
	}

	public void testPopup() {
	// Get rid of window margins so we can test absolute position.
	Window.setMargin("0px");

	PopupPanel popup = createPopupPanel();
	popup.setAnimationEnabled(false);
	Label lbl = new Label("foo");

	// Make sure that setting the popup's size & position works _before_
	// setting its widget.
	popup.setSize("384px", "128px");
	popup.setPopupPosition(128, 64);
	popup.setWidget(lbl);
	popup.show();

	// DecoratorPanel adds width and height because it wraps the content in a
	// 3x3 table.
	assertTrue("Expected >= 384, got " + popup.getOffsetWidth(),
	popup.getOffsetWidth() >= 384);
	assertTrue("Expected >= 128, got " + popup.getOffsetHeight(),
	popup.getOffsetHeight() >= 128);
	assertEquals(128, popup.getPopupLeft());
	assertEquals(64, popup.getPopupTop());

	// Make sure that the popup returns to the correct position
	// after hiding and showing it.
	popup.hide();
	popup.show();
	assertEquals(128, popup.getPopupLeft());
	assertEquals(64, popup.getPopupTop());

	// Make sure that setting the popup's size & position works _after_
	// setting its widget (and that clearing its size properly resizes it to
	// its widget's size).
	popup.setSize("", "");
	popup.setPopupPosition(16, 16);

	// DecoratorPanel adds width and height because it wraps the content in a
	// 3x3 table.
	assertTrue(popup.getOffsetWidth() >= lbl.getOffsetWidth());
	assertTrue(popup.getOffsetWidth() >= lbl.getOffsetHeight());
	assertEquals(16, popup.getAbsoluteLeft());
	assertEquals(16, popup.getAbsoluteTop());

	// Ensure that hiding the popup fires the appropriate events.
	delayTestFinish(1000);
	popup.addCloseHandler(new CloseHandler<PopupPanel>() {
	public void onClose(CloseEvent<PopupPanel> event) {
	finishTest();
	}
	});
	popup.hide();
	}

	/**
	* Issue 4720: Glass is not removed when removeFromParent is called.
	*/
	public void testRemoveFromParent() {
	PopupPanel popup = createPopupPanel();
	popup.setGlassEnabled(true);
	assertNull(popup.getGlassElement().getParentElement());

	popup.show();
	assertNotNull(popup.getGlassElement().getParentElement());

	popup.removeFromParent();
	assertNull(popup.getGlassElement().getParentElement());
	}

	public void testSeparateContainers() {
	TestablePopupPanel p1 = new TestablePopupPanel();
	TestablePopupPanel p2 = new TestablePopupPanel();
	assertTrue(p1.getContainerElement() != null);
	assertTrue(p2.getContainerElement() != null);
	assertFalse(p1.getContainerElement() == p2.getContainerElement());
	}

	/**
	* Issue 2481: Try to set the contents of the popup while the popup is
	* attached. When we hide the popup, this should not leave the popup in an
	* invalid attach state.
	*/
	public void testSetWidgetWhileAttached() {
	PopupPanel popup = createPopupPanel();
	popup.show();
	popup.setWidget(new Label("test"));
	popup.hide();
	}

	public void testSetVisibleWithGlass() {
	PopupPanel popup = createPopupPanel();
	popup.setGlassEnabled(true);
	popup.show();

	Element glass = popup.getGlassElement();
	assertTrue(popup.isVisible());
	assertFalse("hidden".equalsIgnoreCase(glass.getStyle().getVisibility()));

	popup.setVisible(false);
	assertFalse(popup.isVisible());
	assertTrue("hidden".equalsIgnoreCase(glass.getStyle().getVisibility()));

	popup.setVisible(true);
	assertTrue(popup.isVisible());
	assertFalse("hidden".equalsIgnoreCase(glass.getStyle().getVisibility()));

	popup.hide();
	}

	/**
	* Test that showing a popup while it is attached does not put it in an
	* invalid state.
	*/
	public void testShowWhileAttached() {
	PopupPanel popup = createPopupPanel();
	RootPanel.get().add(popup);
	popup.show();
	assertTrue(popup.isAttached());
	assertTrue(popup.isShowing());

	popup.hide();
	assertFalse(popup.isAttached());
	assertFalse(popup.isShowing());
	}

	/**
	* Test that showing a popup while it is hiding will not result in an illegal
	* state.
	*/
	public void testShowWhileHiding() {
	PopupPanel popup = createPopupPanel();

	// Show the popup
	popup.setAnimationEnabled(false);
	popup.show();
	assertTrue(popup.isShowing());

	// Start hiding the popup
	popup.setAnimationEnabled(true);
	popup.hide();
	assertFalse(popup.isShowing());

	// Show the popup while its hiding
	popup.show();
	assertTrue(popup.isShowing());
	}

	/**
	* Create a new PopupPanel.
	*/
	protected PopupPanel createPopupPanel() {
	return new PopupPanel();
	}

	@Override
	protected void gwtTearDown() {
	RootPanel.get().clear();
	}

	/**
	* @see #testDependantPopupPanel()
	*/
	protected void testDependantPopupPanel(final PopupPanel primaryPopup) {
	// Show the popup
	primaryPopup.show();

	// Hide the popup
	new Timer() {
	@Override
	public void run() {
	primaryPopup.hide();
	}
	}.schedule(1000);

	delayTestFinish(5000);
	// Give time for any errors to occur
	new Timer() {
	@Override
	public void run() {
	finishTest();
	}
	}.schedule(2000);
	}

	private boolean isAttached(Element elem) {
	return Document.get().getBody().isOrHasChild(elem);
	}
	}