44 lines
1.4 KiB
JavaScript
44 lines
1.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const TEST_URI = "http://example.com/browser/dom/tests/browser/test_largeAllocation.html";
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function expectProcessCreated() {
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let os = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
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return new Promise(resolve => {
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let topic = "ipc:content-created";
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function observer() {
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os.removeObserver(observer, topic);
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ok(true, "Expect process created");
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resolve();
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}
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os.addObserver(observer, topic, /* weak = */ false);
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});
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}
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add_task(function*() {
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yield SpecialPowers.pushPrefEnv({
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set: [
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["dom.largeAllocationHeader.enabled", true],
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]
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});
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// A toplevel tab should be able to navigate cross process!
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yield BrowserTestUtils.withNewTab("about:blank", function*(aBrowser) {
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let epc = expectProcessCreated();
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yield ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
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content.document.location = TEST_URI;
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});
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// Wait for the new process to be created by the Large-Allocation header
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yield epc;
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// Allocate a gigabyte of memory in the content process
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yield ContentTask.spawn(aBrowser, null, () => {
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let arrayBuffer = new ArrayBuffer(1024*1024*1024);
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ok(arrayBuffer, "Successfully allocated a gigabyte of memory in content process");
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});
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});
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});
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