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 screenshots for non-draw calls can still be retrieved properly,
michael@0:  * by deferring the the most recent previous draw-call.
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:   let animationOverview = yield snapshotActor.getOverview();
michael@0: 
michael@0:   let functionCalls = animationOverview.calls;
michael@0:   ok(functionCalls,
michael@0:     "An array of function call actors was sent after recording.");
michael@0:   is(functionCalls.length, 8,
michael@0:     "The number of function call actors is correct.");
michael@0: 
michael@0:   let firstNonDrawCall = yield functionCalls[1].getDetails();
michael@0:   let secondNonDrawCall = yield functionCalls[3].getDetails();
michael@0:   let lastNonDrawCall = yield functionCalls[7].getDetails();
michael@0: 
michael@0:   is(firstNonDrawCall.name, "fillStyle",
michael@0:     "The first non-draw function's name is correct.");
michael@0:   is(secondNonDrawCall.name, "fillStyle",
michael@0:     "The second non-draw function's name is correct.");
michael@0:   is(lastNonDrawCall.name, "requestAnimationFrame",
michael@0:     "The last non-draw function's name is correct.");
michael@0: 
michael@0:   let firstScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[1]);
michael@0:   let secondScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[3]);
michael@0:   let lastScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[7]);
michael@0: 
michael@0:   ok(firstScreenshot,
michael@0:     "A screenshot was successfully retrieved for the first non-draw function.");
michael@0:   ok(secondScreenshot,
michael@0:     "A screenshot was successfully retrieved for the second non-draw function.");
michael@0:   ok(lastScreenshot,
michael@0:     "A screenshot was successfully retrieved for the last non-draw function.");
michael@0: 
michael@0:   let firstActualScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[0]);
michael@0:   ok(sameArray(firstScreenshot.pixels, firstActualScreenshot.pixels),
michael@0:     "The screenshot for the first non-draw function is correct.");
michael@0:   is(firstScreenshot.width, 128,
michael@0:     "The screenshot for the first non-draw function has the correct width.");
michael@0:   is(firstScreenshot.height, 128,
michael@0:     "The screenshot for the first non-draw function has the correct height.");
michael@0: 
michael@0:   let secondActualScreenshot =  yield snapshotActor.generateScreenshotFor(functionCalls[2]);
michael@0:   ok(sameArray(secondScreenshot.pixels, secondActualScreenshot.pixels),
michael@0:     "The screenshot for the second non-draw function is correct.");
michael@0:   is(secondScreenshot.width, 128,
michael@0:     "The screenshot for the second non-draw function has the correct width.");
michael@0:   is(secondScreenshot.height, 128,
michael@0:     "The screenshot for the second non-draw function has the correct height.");
michael@0: 
michael@0:   let lastActualScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[6]);
michael@0:   ok(sameArray(lastScreenshot.pixels, lastActualScreenshot.pixels),
michael@0:     "The screenshot for the last non-draw function is correct.");
michael@0:   is(lastScreenshot.width, 128,
michael@0:     "The screenshot for the last non-draw function has the correct width.");
michael@0:   is(lastScreenshot.height, 128,
michael@0:     "The screenshot for the last non-draw function has the correct height.");
michael@0: 
michael@0:   ok(!sameArray(firstScreenshot.pixels, secondScreenshot.pixels),
michael@0:     "The screenshots taken on consecutive draw calls are different (1).");
michael@0:   ok(!sameArray(secondScreenshot.pixels, lastScreenshot.pixels),
michael@0:     "The screenshots taken on consecutive draw calls are different (2).");
michael@0: 
michael@0:   yield removeTab(target.tab);
michael@0:   finish();
michael@0: }
michael@0: 
michael@0: function sameArray(a, b) {
michael@0:   if (a.length != b.length) {
michael@0:     return false;
michael@0:   }
michael@0:   for (let i = 0; i < a.length; i++) {
michael@0:     if (a[i] !== b[i]) {
michael@0:       return false;
michael@0:     }
michael@0:   }
michael@0:   return true;
michael@0: }