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Test Info: Errors
- This test failed 3 times in the preceding 30 days. quicksearch this test
- Manifest: browser/base/content/test/performance/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
Services.scriptloader.loadSubScript(
this
);
add_task(
async function test_opening_panel_and_closing_should_not_leave_vsync() {
await SpecialPowers.pushPrefEnv({
set: [["browser.download.autohideButton", false]],
});
await promiseButtonShown("downloads-button");
const downloadsButton = document.getElementById("downloads-button");
const shownPromise = promisePanelOpened();
EventUtils.synthesizeNativeMouseEvent({
type: "click",
target: downloadsButton,
atCenter: true,
});
await shownPromise;
is(DownloadsPanel.panel.state, "open", "Check that panel state is 'open'");
await TestUtils.waitForCondition(
() => !ChromeUtils.vsyncEnabled(),
"Make sure vsync disabled"
);
// Should not already be using vsync
ok(!ChromeUtils.vsyncEnabled(), "vsync should be off initially");
if (
AppConstants.platform == "linux" &&
DownloadsPanel.panel.state != "open"
) {
// Panels sometime receive spurious popuphiding events on Linux.
// Given the main target of this test is Windows, avoid causing
// intermittent failures and just make the test return early.
todo(
false,
"panel should still be 'open', current state: " +
DownloadsPanel.panel.state
);
return;
}
const hiddenPromise = BrowserTestUtils.waitForEvent(
DownloadsPanel.panel,
"popuphidden"
);
EventUtils.synthesizeKey("VK_ESCAPE", {}, window);
await hiddenPromise;
await TestUtils.waitForCondition(
() => !ChromeUtils.vsyncEnabled(),
"wait for vsync to be disabled again"
);
ok(!ChromeUtils.vsyncEnabled(), "vsync should still be off");
is(
DownloadsPanel.panel.state,
"closed",
"Check that panel state is 'closed'"
);
}
);