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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests if screenshots for arbitrary draw calls are generated properly.
*/
function* ifTestingSupported() {
let { target, front } = yield initCanvasDebuggerBackend(SIMPLE_CANVAS_TRANSPARENT_URL);
let navigated = once(target, "navigate");
yield front.setup({ reload: true });
ok(true, "The front was setup up successfully.");
yield navigated;
ok(true, "Target automatically navigated when the front was set up.");
let snapshotActor = yield front.recordAnimationFrame();
let animationOverview = yield snapshotActor.getOverview();
let functionCalls = animationOverview.calls;
ok(functionCalls,
"An array of function call actors was sent after recording.");
is(functionCalls.length, 8,
"The number of function call actors is correct.");
is(functionCalls[0].name, "clearRect",
"The first called function's name is correct.");
is(functionCalls[2].name, "fillRect",
"The second called function's name is correct.");
is(functionCalls[4].name, "fillRect",
"The third called function's name is correct.");
is(functionCalls[6].name, "fillRect",
"The fourth called function's name is correct.");
let firstDrawCallScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[0]);
let secondDrawCallScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[2]);
let thirdDrawCallScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[4]);
let fourthDrawCallScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[6]);
ok(firstDrawCallScreenshot,
"The first draw call has a screenshot attached.");
is(firstDrawCallScreenshot.index, 0,
"The first draw call has the correct screenshot index.");
is(firstDrawCallScreenshot.width, 128,
"The first draw call has the correct screenshot width.");
is(firstDrawCallScreenshot.height, 128,
"The first draw call has the correct screenshot height.");
is([].find.call(Uint32(firstDrawCallScreenshot.pixels), e => e > 0), undefined,
"The first draw call's screenshot's pixels seems to be completely transparent.");
ok(secondDrawCallScreenshot,
"The second draw call has a screenshot attached.");
is(secondDrawCallScreenshot.index, 2,
"The second draw call has the correct screenshot index.");
is(secondDrawCallScreenshot.width, 128,
"The second draw call has the correct screenshot width.");
is(secondDrawCallScreenshot.height, 128,
"The second draw call has the correct screenshot height.");
is([].find.call(Uint32(firstDrawCallScreenshot.pixels), e => e > 0), undefined,
"The second draw call's screenshot's pixels seems to be completely transparent.");
ok(thirdDrawCallScreenshot,
"The third draw call has a screenshot attached.");
is(thirdDrawCallScreenshot.index, 4,
"The third draw call has the correct screenshot index.");
is(thirdDrawCallScreenshot.width, 128,
"The third draw call has the correct screenshot width.");
is(thirdDrawCallScreenshot.height, 128,
"The third draw call has the correct screenshot height.");
is([].find.call(Uint32(thirdDrawCallScreenshot.pixels), e => e > 0), 2160001024,
"The third draw call's screenshot's pixels seems to not be completely transparent.");
ok(fourthDrawCallScreenshot,
"The fourth draw call has a screenshot attached.");
is(fourthDrawCallScreenshot.index, 6,
"The fourth draw call has the correct screenshot index.");
is(fourthDrawCallScreenshot.width, 128,
"The fourth draw call has the correct screenshot width.");
is(fourthDrawCallScreenshot.height, 128,
"The fourth draw call has the correct screenshot height.");
is([].find.call(Uint32(fourthDrawCallScreenshot.pixels), e => e > 0), 2147483839,
"The fourth draw call's screenshot's pixels seems to not be completely transparent.");
isnot(firstDrawCallScreenshot.pixels, secondDrawCallScreenshot.pixels,
"The screenshots taken on consecutive draw calls are different (1).");
isnot(secondDrawCallScreenshot.pixels, thirdDrawCallScreenshot.pixels,
"The screenshots taken on consecutive draw calls are different (2).");
isnot(thirdDrawCallScreenshot.pixels, fourthDrawCallScreenshot.pixels,
"The screenshots taken on consecutive draw calls are different (3).");
yield removeTab(target.tab);
finish();
}
function Uint32(src) {
let charView = new Uint8Array(src);
return new Uint32Array(charView.buffer);
}
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