mozilla-central/dom/tests/mochitest/gamepad/test_gamepad_hidden_frame.html

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Test Info: Warnings

<!-- Any copyright is dedicated to the Public Domain.
<!DOCTYPE HTML>
<title>Test hidden frames</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
<script>
const GamepadService = navigator.requestGamepadServiceTest();
let index;
async function pressButton(win) {
let p = new Promise(r => {
win.addEventListener("gamepadbuttondown", r, { once: true });
});
await GamepadService.newButtonEvent(index, 0, true, true);
await GamepadService.newButtonEvent(index, 0, false, false);
await p;
// Wait to ensure that all tabs received (or didn't) the button press as
// well.
await new Promise(r => SpecialPowers.executeSoon(r));
}
async function openGamepadTab() {
let win = SpecialPowers.wrap(window).open("gamepad_frame.html");
await new Promise(r => {
win.addEventListener("load", r, { once: true });
});
return win.wrappedJSObject;
}
function waitForTabVisible(win, visible) {
if (!win.document.hidden == visible) {
return Promise.resolve();
}
return new Promise(r => {
win.document.addEventListener("visibilitychange", r, { once: true });
});
}
add_task(async function test_gamepad_hidden_frame() {
let t1 = await openGamepadTab();
let t2 = await openGamepadTab();
index = await GamepadService.addGamepad(
"test gamepad", // id
GamepadService.standardMapping,
GamepadService.noHand,
4, // buttons
2,
0,
0,
0
);
await Promise.all([
waitForTabVisible(t1, false),
waitForTabVisible(t2, true),
]);
await pressButton(t2);
is(t1.buttonPresses, 0, "right number of button presses in tab 1");
is(t2.buttonPresses, 1, "right number of button presses in tab 2");
t1.focus(); // Switches t1 to the foreground.
await Promise.all([
waitForTabVisible(t1, true),
waitForTabVisible(t2, false),
]);
await pressButton(t1);
is(t1.buttonPresses, 1, "right number of button presses in tab 1");
is(t2.buttonPresses, 1, "right number of button presses in tab 2");
await GamepadService.removeGamepad(index);
t1.close();
t2.close();
});
</script>