The Tor Browser: browser/devtools/canvasdebugger/test/browser_canvas-frontend-img-screenshots.js@6474c204b198

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 are properly displayed in the UI.

     6  */

     8 function ifTestingSupported() {

     9   let [target, debuggee, panel] = yield initCanavsDebuggerFrontend(SIMPLE_CANVAS_URL);

    10   let { window, $, EVENTS, SnapshotsListView } = panel.panelWin;

    12   yield reload(target);

    14   let recordingFinished = once(window, EVENTS.SNAPSHOT_RECORDING_FINISHED);

    15   let callListPopulated = once(window, EVENTS.CALL_LIST_POPULATED);

    16   let screenshotDisplayed = once(window, EVENTS.CALL_SCREENSHOT_DISPLAYED);

    17   SnapshotsListView._onRecordButtonClick();

    18   yield promise.all([recordingFinished, callListPopulated, screenshotDisplayed]);

    20   is($("#screenshot-container").hidden, false,

    21     "The screenshot container should now be visible.");

    23   is($("#screenshot-dimensions").getAttribute("value"), "128 x 128",

    24     "The screenshot dimensions label has the expected value.");

    26   is($("#screenshot-image").getAttribute("flipped"), "false",

    27     "The screenshot element should not be flipped vertically.");

    29   ok(window.getComputedStyle($("#screenshot-image")).backgroundImage.contains("#screenshot-rendering"),

    30     "The screenshot element should have an offscreen canvas element as a background.");

    32   yield teardown(panel);

    33   finish();

    34 }

The Tor Browser / file revision