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const { PromptTestUtils } = ChromeUtils.importESModule(
"resource://testing-common/PromptTestUtils.sys.mjs"
);
function pageScript() {
window.addEventListener(
"beforeunload",
function (event) {
var str = "Some text that causes the beforeunload dialog to be shown";
event.returnValue = str;
return str;
},
true
);
}
SpecialPowers.pushPrefEnv({
set: [
["dom.require_user_interaction_for_beforeunload", true],
["security.allow_eval_with_system_principal", true],
],
});
const FRAME_URL =
"data:text/html," + encodeURIComponent("<body>Just a frame</body>");
const PAGE_URL =
"data:text/html," +
encodeURIComponent(
"<iframe src='" +
FRAME_URL +
"'></iframe><script>(" +
pageScript.toSource() +
")();</script>"
);
add_task(async function doClick() {
// The onbeforeunload dialog should appear.
let dialogPromise = PromptTestUtils.waitForPrompt(null, {
modalType: Services.prompt.MODAL_TYPE_CONTENT,
promptType: "confirmEx",
});
let openPagePromise = openPage(true);
let dialog = await dialogPromise;
Assert.ok(true, "Showed the beforeunload dialog.");
await PromptTestUtils.handlePrompt(dialog, { buttonNumClick: 0 });
await openPagePromise;
});
add_task(async function noClick() {
// The onbeforeunload dialog should NOT appear.
await openPage(false);
info("If we time out here, then the dialog was shown...");
});
async function openPage(shouldClick) {
// Open about:blank in a new tab.
await BrowserTestUtils.withNewTab(
{ gBrowser, url: "about:blank" },
async function (browser) {
// Load the page.
BrowserTestUtils.startLoadingURIString(browser, PAGE_URL);
await BrowserTestUtils.browserLoaded(browser);
let frameBC = browser.browsingContext.children[0];
if (shouldClick) {
await BrowserTestUtils.synthesizeMouse("body", 2, 2, {}, frameBC);
}
let hasInteractedWith = await SpecialPowers.spawn(
frameBC,
[],
function () {
return [
content.document.userHasInteracted,
content.document.userHasInteracted,
];
}
);
is(
shouldClick,
hasInteractedWith[0],
"Click should update parent interactivity state"
);
is(
shouldClick,
hasInteractedWith[1],
"Click should update frame interactivity state"
);
// And then navigate away.
BrowserTestUtils.startLoadingURIString(browser, "http://example.com/");
await BrowserTestUtils.browserLoaded(browser);
}
);
}
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