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Test Info:
- Manifest: dom/ipc/tests/browser.toml
/* Any copyright is dedicated to the Public Domain.
ok(
Services.appinfo.fissionAutostart,
"this test requires fission to function!"
);
function documentURL(origin, html) {
let params = new URLSearchParams();
params.append("html", html.trim());
return `${origin}/document-builder.sjs?${params.toString()}`;
}
async function singleTest(preferUsed) {
info(`running test with preferUsed=${preferUsed}`);
await SpecialPowers.pushPrefEnv({
set: [
["dom.ipc.processCount.webIsolated", 4],
["browser.tabs.remote.subframesPreferUsed", preferUsed],
],
});
const TEST_URL = documentURL(
`<iframe src=${JSON.stringify(
)}></iframe>`
);
await BrowserTestUtils.withNewTab(TEST_URL, async browser1 => {
is(browser1.browsingContext.children.length, 1);
let topProc1 = browser1.browsingContext.currentWindowGlobal.domProcess;
let frameProc1 =
browser1.browsingContext.children[0].currentWindowGlobal.domProcess;
isnot(
topProc1.childID,
frameProc1.childID,
"the frame should be in a separate process"
);
await BrowserTestUtils.withNewTab(TEST_URL, async browser2 => {
is(browser2.browsingContext.children.length, 1);
let topProc2 = browser2.browsingContext.currentWindowGlobal.domProcess;
let frameProc2 =
browser2.browsingContext.children[0].currentWindowGlobal.domProcess;
isnot(
topProc2.childID,
frameProc2.childID,
"the frame should be in a separate process"
);
// Compare processes used for the two tabs.
isnot(
topProc1.childID,
topProc2.childID,
"the toplevel windows should be loaded in separate processes"
);
if (preferUsed) {
is(
frameProc1.childID,
frameProc2.childID,
"the iframes should load in the same process with subframesPreferUsed"
);
} else {
isnot(
frameProc1.childID,
frameProc2.childID,
"the iframes should load in different processes without subframesPreferUsed"
);
}
});
});
}
add_task(async function test_preferUsed() {
await singleTest(true);
});
add_task(async function test_noPreferUsed() {
await singleTest(false);
});