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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/tests/browser/browser_largeAllocation.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/dom/tests/browser/browser_largeAllocation.js b/dom/tests/browser/browser_largeAllocation.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const TEST_URI = "http://example.com/browser/dom/tests/browser/test_largeAllocation.html";
+
+function expectProcessCreated() {
+ let os = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
+ return new Promise(resolve => {
+ let topic = "ipc:content-created";
+ function observer() {
+ os.removeObserver(observer, topic);
+ ok(true, "Expect process created");
+ resolve();
+ }
+ os.addObserver(observer, topic, /* weak = */ false);
+ });
+}
+
+function expectNoProcess() {
+ let os = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
+ let topic = "ipc:content-created";
+ function observer() {
+ ok(false, "A process was created!");
+ os.removeObserver(observer, topic);
+ }
+ os.addObserver(observer, topic, /* weak = */ false);
+
+ return () => os.removeObserver(observer, topic);
+}
+
+function getPID(aBrowser) {
+ return ContentTask.spawn(aBrowser, null, () => {
+ const appinfo = Components.classes["@mozilla.org/xre/app-info;1"]
+ .getService(Components.interfaces.nsIXULRuntime);
+ return appinfo.processID;
+ });
+}
+
+add_task(function*() {
+ // I'm terrible and put this set of tests into a single file, so I need a longer timeout
+ requestLongerTimeout(2);
+
+ yield SpecialPowers.pushPrefEnv({
+ set: [
+ ["dom.largeAllocationHeader.enabled", true],
+ ]
+ });
+
+ // A toplevel tab should be able to navigate cross process!
+ yield BrowserTestUtils.withNewTab("about:blank", function*(aBrowser) {
+ ok(true, "Starting test 0");
+ let pid1 = yield getPID(aBrowser);
+
+ let epc = expectProcessCreated();
+ yield ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
+ content.document.location = TEST_URI;
+ });
+
+ // Wait for the new process to be created
+ yield epc;
+
+ let pid2 = yield getPID(aBrowser);
+
+ isnot(pid1, pid2, "The pids should be different between the initial load and the new load");
+ });
+
+ // When a Large-Allocation document is loaded in an iframe, the header should
+ // be ignored, and the tab should stay in the current process.
+ yield BrowserTestUtils.withNewTab("about:blank", function*(aBrowser) {
+ ok(true, "Starting test 1");
+ let pid1 = yield getPID(aBrowser);
+
+ // Fail the test if we create a process
+ let stopExpectNoProcess = expectNoProcess();
+
+ yield ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
+ content.document.body.innerHTML = `<iframe src='${TEST_URI}'></iframe>`;
+
+ return new Promise(resolve => {
+ content.document.body.querySelector('iframe').onload = () => {
+ ok(true, "Iframe finished loading");
+ resolve();
+ };
+ });
+ });
+
+ let pid2 = yield getPID(aBrowser);
+
+ is(pid1, pid2, "The PID should not have changed");
+
+ stopExpectNoProcess();
+ });
+
+ // If you have an opener cross process navigation shouldn't work
+ yield BrowserTestUtils.withNewTab("http://example.com", function*(aBrowser) {
+ ok(true, "Starting test 2");
+ let pid1 = yield getPID(aBrowser);
+
+ // Fail the test if we create a process
+ let stopExpectNoProcess = expectNoProcess();
+
+ let loaded = ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
+ content.document.body.innerHTML = '<button>CLICK ME</button>';
+
+ return new Promise(resolve => {
+ content.document.querySelector('button').onclick = e => {
+ let w = content.window.open(TEST_URI, '_blank');
+ w.onload = () => {
+ ok(true, "Window finished loading");
+ w.close();
+ resolve();
+ };
+ };
+ });
+ });
+
+ yield BrowserTestUtils.synthesizeMouseAtCenter("button", {}, aBrowser);
+
+ yield loaded;
+
+ let pid2 = yield getPID(aBrowser);
+
+ is(pid1, pid2, "The PID should not have changed");
+
+ stopExpectNoProcess();
+ });
+
+ // Load Large-Allocation twice with about:blank load in between
+ yield BrowserTestUtils.withNewTab("about:blank", function*(aBrowser) {
+ ok(true, "Starting test 3");
+ let pid1 = yield getPID(aBrowser);
+
+ let epc = expectProcessCreated();
+
+ yield ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
+ content.document.location = TEST_URI;
+ });
+
+ yield epc;
+
+ let pid2 = yield getPID(aBrowser);
+
+ isnot(pid1, pid2);
+
+ epc = expectProcessCreated();
+
+ yield BrowserTestUtils.browserLoaded(aBrowser);
+
+ yield ContentTask.spawn(aBrowser, null, () => content.document.location = "about:blank");
+
+ yield BrowserTestUtils.browserLoaded(aBrowser);
+
+ let pid3 = yield getPID(aBrowser);
+
+ is(pid2, pid3);
+
+ yield ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
+ content.document.location = TEST_URI;
+ });
+
+ yield epc;
+
+ let pid4 = yield getPID(aBrowser);
+
+ isnot(pid1, pid4);
+ isnot(pid2, pid4);
+ });
+
+ // Load Large-Allocation then about:blank load, then back button press should load from bfcache.
+ yield BrowserTestUtils.withNewTab("about:blank", function*(aBrowser) {
+ ok(true, "Starting test 4");
+ let pid1 = yield getPID(aBrowser);
+
+ let epc = expectProcessCreated();
+
+ yield ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
+ content.document.location = TEST_URI;
+ });
+
+ yield epc;
+
+ let pid2 = yield getPID(aBrowser);
+
+ isnot(pid1, pid2, "PIDs 1 and 2 should not match");
+
+ let stopExpectNoProcess = expectNoProcess();
+
+ yield BrowserTestUtils.browserLoaded(aBrowser);
+
+ // Switch to about:blank, so we can navigate back
+ yield ContentTask.spawn(aBrowser, null, () => {
+ content.document.location = "about:blank";
+ });
+
+ yield BrowserTestUtils.browserLoaded(aBrowser);
+
+ let pid3 = yield getPID(aBrowser);
+
+ is(pid2, pid3, "PIDs 2 and 3 should match");
+
+ // Navigate back to the previous page, loading it from bfcache
+ yield ContentTask.spawn(aBrowser, TEST_URI, TEST_URI => {
+ content.window.history.back();
+ });
+
+ let pid4 = yield getPID(aBrowser);
+
+ isnot(pid1, pid4, "PID 4 shouldn't match PID 1");
+ is(pid2, pid4, "PID 4 should match PID 2");
+
+ stopExpectNoProcess();
+ });
+});