michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: "use strict";
michael@0: 
michael@0: let tiltOpened = false;
michael@0: 
michael@0: function test() {
michael@0:   if (!isTiltEnabled()) {
michael@0:     info("Skipping destruction test because Tilt isn't enabled.");
michael@0:     return;
michael@0:   }
michael@0:   if (!isWebGLSupported()) {
michael@0:     info("Skipping destruction test because WebGL isn't supported.");
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   createTab(function() {
michael@0:     createTilt({
michael@0:       onTiltOpen: function()
michael@0:       {
michael@0:         tiltOpened = true;
michael@0: 
michael@0:         Services.obs.addObserver(finalize, DESTROYED, false);
michael@0:         EventUtils.sendKey("ESCAPE");
michael@0:       }
michael@0:     }, false, function suddenDeath()
michael@0:     {
michael@0:       info("Tilt could not be initialized properly.");
michael@0:       cleanup();
michael@0:     });
michael@0:   });
michael@0: }
michael@0: 
michael@0: function finalize() {
michael@0:   let id = TiltUtils.getWindowId(gBrowser.selectedBrowser.contentWindow);
michael@0: 
michael@0:   is(Tilt.visualizers[id], null,
michael@0:     "The current instance of the visualizer wasn't destroyed properly.");
michael@0: 
michael@0:   cleanup();
michael@0: }
michael@0: 
michael@0: function cleanup() {
michael@0:   if (tiltOpened) { Services.obs.removeObserver(finalize, DESTROYED); }
michael@0:   gBrowser.removeCurrentTab();
michael@0:   finish();
michael@0: }