browser_drawSnapshot_failure.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

add_task(async function test_drawSnapshot_returns_false_on_failure() {

  await BrowserTestUtils.withNewTab("about:blank", async browser => {

    // A scale that isn't finite makes WindowGlobalParent.drawSnapshot throw.

    let result = await browser.drawSnapshot(0, 0, 10, 10, NaN, "white");

    is(result, false, "drawSnapshot returns false when the snapshot fails");

});

});