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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
// This is a lightweight version of browser_jsterm_await.js to only ensure top-level await
// support in the Browser Console.
"use strict";
const TEST_URI =
"data:text/html;charset=utf-8,<!DOCTYPE html>Top-level await Browser Console test";
add_task(async function () {
// Needed for the execute() function below
await pushPref("security.allow_parent_unrestricted_js_loads", true);
// Enable await mapping.
await pushPref("devtools.debugger.features.map-await-expression", true);
await addTab(TEST_URI);
const hud = await BrowserConsoleManager.toggleBrowserConsole();
info("Evaluate a top-level await expression");
const simpleAwait = `await new Promise(r => setTimeout(() => r(["await1"]), 500))`;
await executeAndWaitForResultMessage(hud, simpleAwait, `Array [ "await1" ]`);
// Check that the resulting promise of the async iife is not displayed.
const messages = hud.ui.outputNode.querySelectorAll(".message .message-body");
const messagesText = Array.from(messages)
.map(n => n.textContent)
.join(" - ");
is(
messagesText.includes("Promise {"),
false,
"The output does not contain a Promise"
);
ok(
messagesText.includes(simpleAwait) &&
messagesText.includes(`Array [ "await1" ]`),
"The output contains the the expected messages"
);
});
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