mozilla-central/devtools/client/responsive/test/browser/browser_many_toggles.js (file symbol)

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Test Info: Errors

/* Any copyright is dedicated to the Public Domain.
"use strict";
// Verify RDM can be toggled many times in a raw
const TEST_URL = "https://example.com/";
addRDMTask(
null,
async function () {
const tab = await addTab(TEST_URL);
// Record all currently active RDMs, there may not be one created on each loop
let opened = 0;
ResponsiveUIManager.on("on", () => opened++);
ResponsiveUIManager.on("off", () => opened--);
for (let i = 0; i < 10; i++) {
info(`Toggling RDM #${i + 1}`);
// This may throw when we were just closing is still ongoing,
// ignore any exception.
openRDM(tab).catch(() => {});
// Sometime pause in order to cover both full synchronous opening and close
// but also the same but with some pause between each operation.
if (i % 2 == 0) {
info("Wait a bit after open");
await wait(250);
}
closeRDM(tab);
if (i % 3 == 0) {
info("Wait a bit after close");
await wait(250);
}
}
// Wait a bit so that we can receive the very last ResponsiveUIManager `on` event,
// and properly wait for its closing.
await wait(1000);
// This is important to wait for all destruction as closing the tab while RDM
// is still closing may lead to exception because of pending cleanup RDP requests.
info("Wait for all opened RDM to be closed before closing the tab");
await waitFor(() => opened == 0);
info("All RDM are closed");
await removeTab(tab);
},
{ onlyPrefAndTask: true }
);