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-rw-r--r--dom/workers/test/browser_bug1047663.js56
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diff --git a/dom/workers/test/browser_bug1047663.js b/dom/workers/test/browser_bug1047663.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/. */
+"use strict";
+
+const EXAMPLE_URL = "https://example.com/browser/dom/workers/test/";
+const TAB_URL = EXAMPLE_URL + "bug1047663_tab.html";
+const WORKER_URL = EXAMPLE_URL + "bug1047663_worker.sjs";
+
+function test() {
+ waitForExplicitFinish();
+
+ (async function () {
+ // Disable rcwn to make cache behavior deterministic.
+ await SpecialPowers.pushPrefEnv({
+ set: [["network.http.rcwn.enabled", false]],
+ });
+
+ let tab = await addTab(TAB_URL);
+
+ // Create a worker. Post a message to it, and check the reply. Since the
+ // server side JavaScript file returns the first source for the first
+ // request, the reply should be "one". If the reply is correct, terminate
+ // the worker.
+ await createWorkerInTab(tab, WORKER_URL);
+ let message = await postMessageToWorkerInTab(tab, WORKER_URL, "ping");
+ is(message, "one");
+ await terminateWorkerInTab(tab, WORKER_URL);
+
+ // Create a second worker with the same URL. Post a message to it, and check
+ // the reply. The server side JavaScript file returns the second source for
+ // all subsequent requests, but since the cache is still enabled, the reply
+ // should still be "one". If the reply is correct, terminate the worker.
+ await createWorkerInTab(tab, WORKER_URL);
+ message = await postMessageToWorkerInTab(tab, WORKER_URL, "ping");
+ is(message, "one");
+ await terminateWorkerInTab(tab, WORKER_URL);
+
+ // Disable the cache in this tab. This should also disable the cache for all
+ // workers in this tab.
+ await disableCacheInTab(tab);
+
+ // Create a third worker with the same URL. Post a message to it, and check
+ // the reply. Since the server side JavaScript file returns the second
+ // source for all subsequent requests, and the cache is now disabled, the
+ // reply should now be "two". If the reply is correct, terminate the worker.
+ await createWorkerInTab(tab, WORKER_URL);
+ message = await postMessageToWorkerInTab(tab, WORKER_URL, "ping");
+ is(message, "two");
+ await terminateWorkerInTab(tab, WORKER_URL);
+
+ removeTab(tab);
+
+ finish();
+ })();
+}