зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
3.8 KiB
JavaScript
95 строки
3.8 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Tests if screenshots for non-draw calls can still be retrieved properly,
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* by deferring the the most recent previous draw-call.
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*/
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function* ifTestingSupported() {
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let { target, front } = yield initCanvasDebuggerBackend(SIMPLE_CANVAS_URL);
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let navigated = once(target, "navigate");
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yield front.setup({ reload: true });
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ok(true, "The front was setup up successfully.");
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yield navigated;
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ok(true, "Target automatically navigated when the front was set up.");
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let snapshotActor = yield front.recordAnimationFrame();
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let animationOverview = yield snapshotActor.getOverview();
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let functionCalls = animationOverview.calls;
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ok(functionCalls,
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"An array of function call actors was sent after recording.");
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is(functionCalls.length, 8,
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"The number of function call actors is correct.");
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let firstNonDrawCall = yield functionCalls[1].getDetails();
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let secondNonDrawCall = yield functionCalls[3].getDetails();
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let lastNonDrawCall = yield functionCalls[7].getDetails();
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is(firstNonDrawCall.name, "fillStyle",
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"The first non-draw function's name is correct.");
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is(secondNonDrawCall.name, "fillStyle",
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"The second non-draw function's name is correct.");
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is(lastNonDrawCall.name, "requestAnimationFrame",
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"The last non-draw function's name is correct.");
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let firstScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[1]);
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let secondScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[3]);
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let lastScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[7]);
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ok(firstScreenshot,
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"A screenshot was successfully retrieved for the first non-draw function.");
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ok(secondScreenshot,
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"A screenshot was successfully retrieved for the second non-draw function.");
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ok(lastScreenshot,
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"A screenshot was successfully retrieved for the last non-draw function.");
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let firstActualScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[0]);
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ok(sameArray(firstScreenshot.pixels, firstActualScreenshot.pixels),
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"The screenshot for the first non-draw function is correct.");
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is(firstScreenshot.width, 128,
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"The screenshot for the first non-draw function has the correct width.");
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is(firstScreenshot.height, 128,
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"The screenshot for the first non-draw function has the correct height.");
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let secondActualScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[2]);
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ok(sameArray(secondScreenshot.pixels, secondActualScreenshot.pixels),
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"The screenshot for the second non-draw function is correct.");
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is(secondScreenshot.width, 128,
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"The screenshot for the second non-draw function has the correct width.");
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is(secondScreenshot.height, 128,
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"The screenshot for the second non-draw function has the correct height.");
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let lastActualScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[6]);
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ok(sameArray(lastScreenshot.pixels, lastActualScreenshot.pixels),
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"The screenshot for the last non-draw function is correct.");
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is(lastScreenshot.width, 128,
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"The screenshot for the last non-draw function has the correct width.");
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is(lastScreenshot.height, 128,
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"The screenshot for the last non-draw function has the correct height.");
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ok(!sameArray(firstScreenshot.pixels, secondScreenshot.pixels),
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"The screenshots taken on consecutive draw calls are different (1).");
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ok(!sameArray(secondScreenshot.pixels, lastScreenshot.pixels),
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"The screenshots taken on consecutive draw calls are different (2).");
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yield removeTab(target.tab);
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finish();
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}
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function sameArray(a, b) {
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if (a.length != b.length) {
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return false;
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}
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for (let i = 0; i < a.length; i++) {
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if (a[i] !== b[i]) {
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return false;
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}
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}
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return true;
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}
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