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Test Info: Errors
- This test gets skipped with pattern: os == 'win'
- This test failed 15 times in the preceding 30 days. quicksearch this test
- Manifest: devtools/client/framework/test/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
// This test can be slow on linux debug
requestLongerTimeout(2);
// in middle of DevTools initialization.
// So try opening DevTools a couple of times while destroying content processes in the background.
const URL1 =
"data:text/html;charset=utf8,test many toggles with other content process destructions";
add_task(
async function manyTogglesWithContentProcessDestructionsInBackground() {
const tab = await addTab(URL1);
const ProcessTools = Cc["@mozilla.org/processtools-service;1"].getService(
Ci.nsIProcessToolsService
);
const openedTabs = [];
const interval = setInterval(() => {
// Close the process specific to about:home, which is using a privilegedabout process type
const pid = ChromeUtils.getAllDOMProcesses().filter(
r => r.remoteType == "privilegedabout"
)[0]?.osPid;
if (!pid) {
return;
}
try {
ProcessTools.kill(pid);
} catch (ex) {
info(`ProcessTools.kill(${pid}) returned: ${ex.result}`);
// NS_ERROR_NOT_AVAILABLE is thrown is the process disappeared (ESRCH)
// So we should be fine ignoring this
if (ex.result !== Cr.NS_ERROR_NOT_AVAILABLE) {
throw ex;
}
}
// The privilegedabout process wouldn't be automatically re-created, so open a new tab to force creating a new process.
openedTabs.push(BrowserTestUtils.addTab(gBrowser, "about:home"));
});
info(
"Open/close DevTools many times in a row while some processes get destroyed"
);
for (let i = 0; i < 5; i++) {
const toolbox = await gDevTools.showToolboxForTab(tab, {
toolId: "webconsole",
});
await toolbox.destroy();
}
clearInterval(interval);
info("Close all tabs that were used to spawn a new content process");
for (const tab of openedTabs) {
await removeTab(tab);
}
await removeTab(tab);
}
);
// Bug 1903980: DevTools throw in background and becomes blank when closing them while iframe are being destroyed.
const URL2 = `data:text/html,<script>
setInterval(()=>{
document.body.innerHTML="";
let iframe=document.createElement("iframe");
iframe.src="data:text/html,foo";
document.body.appendChild(iframe);
},0);</script>`;
add_task(async function manyTogglesWithDestroyingIframes() {
const tab = await addTab(URL2);
info(
"Open/close DevTools many times in a row while some processes get destroyed"
);
for (let i = 0; i < 3; i++) {
const toolbox = await gDevTools.showToolboxForTab(tab, {
toolId: "webconsole",
});
await toolbox.destroy();
}
await removeTab(tab);
});