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 non-draw calls can still be retrieved properly,

     6  * by deferring the the most recent previous draw-call.

     7  */

     9 function ifTestingSupported() {

    10   let [target, debuggee, front] = yield initCanavsDebuggerBackend(SIMPLE_CANVAS_URL);

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

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

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

    17   yield navigated;

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

    20   let snapshotActor = yield front.recordAnimationFrame();

    21   let animationOverview = yield snapshotActor.getOverview();

    23   let functionCalls = animationOverview.calls;

    24   ok(functionCalls,

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

    26   is(functionCalls.length, 8,

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

    29   let firstNonDrawCall = yield functionCalls[1].getDetails();

    30   let secondNonDrawCall = yield functionCalls[3].getDetails();

    31   let lastNonDrawCall = yield functionCalls[7].getDetails();

    33   is(firstNonDrawCall.name, "fillStyle",

    34     "The first non-draw function's name is correct.");

    35   is(secondNonDrawCall.name, "fillStyle",

    36     "The second non-draw function's name is correct.");

    37   is(lastNonDrawCall.name, "requestAnimationFrame",

    38     "The last non-draw function's name is correct.");

    40   let firstScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[1]);

    41   let secondScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[3]);

    42   let lastScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[7]);

    44   ok(firstScreenshot,

    45     "A screenshot was successfully retrieved for the first non-draw function.");

    46   ok(secondScreenshot,

    47     "A screenshot was successfully retrieved for the second non-draw function.");

    48   ok(lastScreenshot,

    49     "A screenshot was successfully retrieved for the last non-draw function.");

    51   let firstActualScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[0]);

    52   ok(sameArray(firstScreenshot.pixels, firstActualScreenshot.pixels),

    53     "The screenshot for the first non-draw function is correct.");

    54   is(firstScreenshot.width, 128,

    55     "The screenshot for the first non-draw function has the correct width.");

    56   is(firstScreenshot.height, 128,

    57     "The screenshot for the first non-draw function has the correct height.");

    59   let secondActualScreenshot =  yield snapshotActor.generateScreenshotFor(functionCalls[2]);

    60   ok(sameArray(secondScreenshot.pixels, secondActualScreenshot.pixels),

    61     "The screenshot for the second non-draw function is correct.");

    62   is(secondScreenshot.width, 128,

    63     "The screenshot for the second non-draw function has the correct width.");

    64   is(secondScreenshot.height, 128,

    65     "The screenshot for the second non-draw function has the correct height.");

    67   let lastActualScreenshot = yield snapshotActor.generateScreenshotFor(functionCalls[6]);

    68   ok(sameArray(lastScreenshot.pixels, lastActualScreenshot.pixels),

    69     "The screenshot for the last non-draw function is correct.");

    70   is(lastScreenshot.width, 128,

    71     "The screenshot for the last non-draw function has the correct width.");

    72   is(lastScreenshot.height, 128,

    73     "The screenshot for the last non-draw function has the correct height.");

    75   ok(!sameArray(firstScreenshot.pixels, secondScreenshot.pixels),

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

    77   ok(!sameArray(secondScreenshot.pixels, lastScreenshot.pixels),

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

    80   yield removeTab(target.tab);

    81   finish();

    82 }

    84 function sameArray(a, b) {

    85   if (a.length != b.length) {

    86     return false;

    87   }

    88   for (let i = 0; i < a.length; i++) {

    89     if (a[i] !== b[i]) {

    90       return false;

    91     }

    92   }

    93   return true;

    94 }

The Tor Browser / file revision