The Tor Browser: browser/devtools/canvasdebugger/test/browser

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* Any copyright is dedicated to the Public Domain.

     2    http://creativecommons.org/publicdomain/zero/1.0/ */

     4 /**

     5  * Tests if screenshots for arbitrary draw calls are generated properly.

     6  */

     8 function ifTestingSupported() {

     9   let [target, debuggee, front] = yield initCanavsDebuggerBackend(SIMPLE_CANVAS_TRANSPARENT_URL);

    11   let navigated = once(target, "navigate");

    13   yield front.setup({ reload: true });

    14   ok(true, "The front was setup up successfully.");

    16   yield navigated;

    17   ok(true, "Target automatically navigated when the front was set up.");

    19   let snapshotActor = yield front.recordAnimationFrame();

    20   let animationOverview = yield snapshotActor.getOverview();

    22   let functionCalls = animationOverview.calls;

    23   ok(functionCalls,

    24     "An array of function call actors was sent after recording.");

    25   is(functionCalls.length, 8,

    26     "The number of function call actors is correct.");

    28   is(functionCalls[0].name, "clearRect",

    29     "The first called function's name is correct.");

    30   is(functionCalls[2].name, "fillRect",

    31     "The second called function's name is correct.");

    32   is(functionCalls[4].name, "fillRect",

    33     "The third called function's name is correct.");

    34   is(functionCalls[6].name, "fillRect",

    35     "The fourth called function's name is correct.");

    37   let firstDrawCallScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[0]);

    38   let secondDrawCallScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[2]);

    39   let thirdDrawCallScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[4]);

    40   let fourthDrawCallScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[6]);

    42   ok(firstDrawCallScreenshot,

    43     "The first draw call has a screenshot attached.");

    44   is(firstDrawCallScreenshot.index, 0,

    45     "The first draw call has the correct screenshot index.");

    46   is(firstDrawCallScreenshot.width, 128,

    47     "The first draw call has the correct screenshot width.");

    48   is(firstDrawCallScreenshot.height, 128,

    49     "The first draw call has the correct screenshot height.");

    50   is([].find.call(firstDrawCallScreenshot.pixels, e => e > 0), undefined,

    51     "The first draw call's screenshot's pixels seems to be completely transparent.");

    53   ok(secondDrawCallScreenshot,

    54     "The second draw call has a screenshot attached.");

    55   is(secondDrawCallScreenshot.index, 2,

    56     "The second draw call has the correct screenshot index.");

    57   is(secondDrawCallScreenshot.width, 128,

    58     "The second draw call has the correct screenshot width.");

    59   is(secondDrawCallScreenshot.height, 128,

    60     "The second draw call has the correct screenshot height.");

    61   is([].find.call(firstDrawCallScreenshot.pixels, e => e > 0), undefined,

    62     "The second draw call's screenshot's pixels seems to be completely transparent.");

    64   ok(thirdDrawCallScreenshot,

    65     "The third draw call has a screenshot attached.");

    66   is(thirdDrawCallScreenshot.index, 4,

    67     "The third draw call has the correct screenshot index.");

    68   is(thirdDrawCallScreenshot.width, 128,

    69     "The third draw call has the correct screenshot width.");

    70   is(thirdDrawCallScreenshot.height, 128,

    71     "The third draw call has the correct screenshot height.");

    72   is([].find.call(thirdDrawCallScreenshot.pixels, e => e > 0), 2160001024,

    73     "The third draw call's screenshot's pixels seems to not be completely transparent.");

    75   ok(fourthDrawCallScreenshot,

    76     "The fourth draw call has a screenshot attached.");

    77   is(fourthDrawCallScreenshot.index, 6,

    78     "The fourth draw call has the correct screenshot index.");

    79   is(fourthDrawCallScreenshot.width, 128,

    80     "The fourth draw call has the correct screenshot width.");

    81   is(fourthDrawCallScreenshot.height, 128,

    82     "The fourth draw call has the correct screenshot height.");

    83   is([].find.call(fourthDrawCallScreenshot.pixels, e => e > 0), 2147483839,

    84     "The fourth draw call's screenshot's pixels seems to not be completely transparent.");

    86   isnot(firstDrawCallScreenshot.pixels, secondDrawCallScreenshot.pixels,

    87     "The screenshots taken on consecutive draw calls are different (1).");

    88   isnot(secondDrawCallScreenshot.pixels, thirdDrawCallScreenshot.pixels,

    89     "The screenshots taken on consecutive draw calls are different (2).");

    90   isnot(thirdDrawCallScreenshot.pixels, fourthDrawCallScreenshot.pixels,

    91     "The screenshots taken on consecutive draw calls are different (3).");

    93   yield removeTab(target.tab);

    94   finish();

    95 }

The Tor Browser / file revision