michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: /**
michael@0:  * Tests if draw calls inside a single animation frame generate and retrieve
michael@0:  * the correct "end result" screenshot.
michael@0:  */
michael@0: 
michael@0: function ifTestingSupported() {
michael@0:   let [target, debuggee, front] = yield initCanavsDebuggerBackend(SIMPLE_CANVAS_URL);
michael@0: 
michael@0:   let navigated = once(target, "navigate");
michael@0: 
michael@0:   yield front.setup({ reload: true });
michael@0:   ok(true, "The front was setup up successfully.");
michael@0: 
michael@0:   yield navigated;
michael@0:   ok(true, "Target automatically navigated when the front was set up.");
michael@0: 
michael@0:   let snapshotActor = yield front.recordAnimationFrame();
michael@0:   ok(snapshotActor,
michael@0:     "A snapshot actor was sent after recording.");
michael@0: 
michael@0:   let animationOverview = yield snapshotActor.getOverview();
michael@0:   ok(snapshotActor,
michael@0:     "An animation overview could be retrieved after recording.");
michael@0: 
michael@0:   let screenshot = animationOverview.screenshot;
michael@0:   ok(screenshot,
michael@0:     "A screenshot was sent after recording.");
michael@0: 
michael@0:   is(screenshot.index, 6,
michael@0:     "The screenshot's index is correct.");
michael@0:   is(screenshot.width, 128,
michael@0:     "The screenshot's width is correct.");
michael@0:   is(screenshot.height, 128,
michael@0:     "The screenshot's height is correct.");
michael@0:   is(screenshot.flipped, false,
michael@0:     "The screenshot's flipped flag is correct.");
michael@0:   is([].find.call(screenshot.pixels, e => e > 0), 4290822336,
michael@0:     "The screenshot's pixels seem to not be completely transparent.");
michael@0: 
michael@0:   yield removeTab(target.tab);
michael@0:   finish();
michael@0: }