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Bug 1304140 - Part 2: Add tests for the Large-Allocation header, r=smaug
MozReview-Commit-ID: B2UpbKd2ptp
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@ -8,6 +8,8 @@ support-files =
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worker_bug1004814.js
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geo_leak_test.html
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dummy.html
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test_largeAllocation.html
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test_largeAllocation.html^headers^
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!/dom/tests/mochitest/geolocation/network_geolocation.sjs
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[browser_test_toolbars_visibility.js]
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@ -38,3 +40,8 @@ support-files =
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[browser_xhr_sandbox.js]
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skip-if= buildapp == 'mulet'
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[browser_bug1004814.js]
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[browser_largeAllocation.js]
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skip-if = !e10s # Large-Allocation requires e10s
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[browser_allocateGigabyte.js]
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disabled = Does not reliably pass on 32-bit systems - bug 1314098
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skip-if = !e10s
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43
dom/tests/browser/browser_allocateGigabyte.js
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dom/tests/browser/browser_allocateGigabyte.js
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@ -0,0 +1,43 @@
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/* 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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214
dom/tests/browser/browser_largeAllocation.js
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dom/tests/browser/browser_largeAllocation.js
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@ -0,0 +1,214 @@
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/* 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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function expectNoProcess() {
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let os = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
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let topic = "ipc:content-created";
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function observer() {
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ok(false, "A process was created!");
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os.removeObserver(observer, topic);
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}
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os.addObserver(observer, topic, /* weak = */ false);
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return () => os.removeObserver(observer, topic);
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}
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function getPID(aBrowser) {
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return ContentTask.spawn(aBrowser, null, () => {
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const appinfo = Components.classes["@mozilla.org/xre/app-info;1"]
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.getService(Components.interfaces.nsIXULRuntime);
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return appinfo.processID;
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});
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}
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add_task(function*() {
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// I'm terrible and put this set of tests into a single file, so I need a longer timeout
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requestLongerTimeout(2);
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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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ok(true, "Starting test 0");
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let pid1 = yield getPID(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
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yield epc;
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let pid2 = yield getPID(aBrowser);
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isnot(pid1, pid2, "The pids should be different between the initial load and the new load");
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});
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// When a Large-Allocation document is loaded in an iframe, the header should
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// be ignored, and the tab should stay in the current process.
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yield BrowserTestUtils.withNewTab("about:blank", function*(aBrowser) {
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ok(true, "Starting test 1");
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let pid1 = yield getPID(aBrowser);
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// Fail the test if we create a process
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let stopExpectNoProcess = expectNoProcess();
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yield ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
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content.document.body.innerHTML = `<iframe src='${TEST_URI}'></iframe>`;
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return new Promise(resolve => {
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content.document.body.querySelector('iframe').onload = () => {
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ok(true, "Iframe finished loading");
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resolve();
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};
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});
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});
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let pid2 = yield getPID(aBrowser);
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is(pid1, pid2, "The PID should not have changed");
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stopExpectNoProcess();
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});
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// If you have an opener cross process navigation shouldn't work
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yield BrowserTestUtils.withNewTab("http://example.com", function*(aBrowser) {
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ok(true, "Starting test 2");
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let pid1 = yield getPID(aBrowser);
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// Fail the test if we create a process
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let stopExpectNoProcess = expectNoProcess();
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let loaded = ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
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content.document.body.innerHTML = '<button>CLICK ME</button>';
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return new Promise(resolve => {
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content.document.querySelector('button').onclick = e => {
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let w = content.window.open(TEST_URI, '_blank');
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w.onload = () => {
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ok(true, "Window finished loading");
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w.close();
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resolve();
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};
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};
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});
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});
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yield BrowserTestUtils.synthesizeMouseAtCenter("button", {}, aBrowser);
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yield loaded;
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let pid2 = yield getPID(aBrowser);
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is(pid1, pid2, "The PID should not have changed");
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stopExpectNoProcess();
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});
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// Load Large-Allocation twice with about:blank load in between
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yield BrowserTestUtils.withNewTab("about:blank", function*(aBrowser) {
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ok(true, "Starting test 3");
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let pid1 = yield getPID(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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yield epc;
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let pid2 = yield getPID(aBrowser);
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isnot(pid1, pid2);
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epc = expectProcessCreated();
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yield BrowserTestUtils.browserLoaded(aBrowser);
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yield ContentTask.spawn(aBrowser, null, () => content.document.location = "about:blank");
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yield BrowserTestUtils.browserLoaded(aBrowser);
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let pid3 = yield getPID(aBrowser);
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is(pid2, pid3);
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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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yield epc;
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let pid4 = yield getPID(aBrowser);
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isnot(pid1, pid4);
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isnot(pid2, pid4);
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});
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// Load Large-Allocation then about:blank load, then back button press should load from bfcache.
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yield BrowserTestUtils.withNewTab("about:blank", function*(aBrowser) {
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ok(true, "Starting test 4");
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let pid1 = yield getPID(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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yield epc;
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let pid2 = yield getPID(aBrowser);
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isnot(pid1, pid2, "PIDs 1 and 2 should not match");
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let stopExpectNoProcess = expectNoProcess();
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yield BrowserTestUtils.browserLoaded(aBrowser);
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// Switch to about:blank, so we can navigate back
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yield ContentTask.spawn(aBrowser, null, () => {
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content.document.location = "about:blank";
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});
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yield BrowserTestUtils.browserLoaded(aBrowser);
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let pid3 = yield getPID(aBrowser);
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is(pid2, pid3, "PIDs 2 and 3 should match");
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// Navigate back to the previous page, loading it from bfcache
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yield ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
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content.window.history.back();
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});
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let pid4 = yield getPID(aBrowser);
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isnot(pid1, pid4, "PID 4 shouldn't match PID 1");
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is(pid2, pid4, "PID 4 should match PID 2");
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stopExpectNoProcess();
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});
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});
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4
dom/tests/browser/test_largeAllocation.html
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4
dom/tests/browser/test_largeAllocation.html
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<!doctype html>
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<html>
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<body>Loaded in a new process!</body>
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</html>
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1
dom/tests/browser/test_largeAllocation.html^headers^
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1
dom/tests/browser/test_largeAllocation.html^headers^
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Large-Allocation: 0
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