The Tor Browser / file revision

 package org.mozilla.gecko.tests;

 import org.mozilla.gecko.Actions;

 import org.mozilla.gecko.PaintedSurface;

 /**

  * A basic panning correctness test.

  * - Loads a page and verifies it draws

  * - drags page upwards by 100 pixels and verifies it draws

  * - drags page leftwards by 100 pixels and verifies it draws

  */

 public class testPanCorrectness extends PixelTest {

     public void testPanCorrectness() {

         String url = getAbsoluteUrl("/robocop/robocop_boxes.html");

         MotionEventHelper meh = new MotionEventHelper(getInstrumentation(), mDriver.getGeckoLeft(), mDriver.getGeckoTop());

         blockForGeckoReady();

         // load page and check we're at 0,0

         loadAndVerifyBoxes(url);

         // drag page upwards by 100 pixels

         Actions.RepeatedEventExpecter paintExpecter = mActions.expectPaint();

         meh.dragSync(10, 150, 10, 50);

         PaintedSurface painted = waitForPaint(paintExpecter);

         paintExpecter.unregisterListener();

         try {

             checkScrollWithBoxes(painted, 0, 100);

         } finally {

             painted.close();

         }

         // drag page leftwards by 100 pixels

         paintExpecter = mActions.expectPaint();

         meh.dragSync(150, 10, 50, 10);

         painted = waitForPaint(paintExpecter);

         paintExpecter.unregisterListener();

         try {

             checkScrollWithBoxes(painted, 100, 100);

         } finally {

             painted.close();

         }

     }

 }