michael@0: package org.mozilla.gecko.tests;
michael@0: 
michael@0: import org.mozilla.gecko.Actions;
michael@0: import org.mozilla.gecko.PaintedSurface;
michael@0: 
michael@0: /**
michael@0:  * Basic test for axis locking behaviour.
michael@0:  * - Load page and verify it draws
michael@0:  * - Drag page upwards 100 pixels at a 5-degree angle off the vertical axis
michael@0:  * - Verify that the 5-degree angle was thrown out and it dragged vertically
michael@0:  * - Drag page upwards at a 45-degree angle
michael@0:  * - Verify that the 45-degree angle was not thrown out and it dragged diagonally
michael@0:  */
michael@0: public class testAxisLocking extends PixelTest {
michael@0:     public void testAxisLocking() {
michael@0:         String url = getAbsoluteUrl("/robocop/robocop_boxes.html");
michael@0: 
michael@0:         MotionEventHelper meh = new MotionEventHelper(getInstrumentation(), mDriver.getGeckoLeft(), mDriver.getGeckoTop());
michael@0: 
michael@0:         blockForGeckoReady();
michael@0: 
michael@0:         // load page and check we're at 0,0
michael@0:         loadAndVerifyBoxes(url);
michael@0: 
michael@0:         // drag page upwards by 100 pixels with a slight angle. verify that
michael@0:         // axis locking prevents any horizontal scrolling
michael@0:         Actions.RepeatedEventExpecter paintExpecter = mActions.expectPaint();
michael@0:         meh.dragSync(20, 150, 10, 50);
michael@0:         PaintedSurface painted = waitForPaint(paintExpecter);
michael@0:         paintExpecter.unregisterListener();
michael@0:         try {
michael@0:             checkScrollWithBoxes(painted, 0, 100);
michael@0:             // since checkScrollWithBoxes only checks 4 points, it may not pick up a
michael@0:             // sub-100 pixel horizontal shift. so we check another point manually to make sure.
michael@0:             int[] color = getBoxColorAt(0, 100);
michael@0:             mAsserter.ispixel(painted.getPixelAt(99, 0), color[0], color[1], color[2], "Pixel at 99, 0 indicates no horizontal scroll");
michael@0: 
michael@0:             // now drag at a 45-degree angle to ensure we break the axis lock, and
michael@0:             // verify that we have both horizontal and vertical scrolling
michael@0:             paintExpecter = mActions.expectPaint();
michael@0:             meh.dragSync(150, 150, 50, 50);
michael@0:         } finally {
michael@0:             painted.close();
michael@0:         }
michael@0: 
michael@0:         painted = waitForPaint(paintExpecter);
michael@0:         paintExpecter.unregisterListener();
michael@0:         try {
michael@0:             checkScrollWithBoxes(painted, 100, 200);
michael@0:         } finally {
michael@0:             painted.close();
michael@0:         }
michael@0:     }
michael@0: }