Bug 1591579 - Test for XHR on sharedWorkers, r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D50951 --HG-- extra : moz-landing-system : lando
2025-02-04 04:58:00 +00:00 · 2019-11-04 15:38:06 +00:00 · 2019-11-04 15:38:06 +00:00 · 07aed8049d
commit 07aed8049d
parent 6c4f3e3599
3 changed files with 130 additions and 0 deletions
--- a/dom/xhr/tests/mochitest.ini
+++ b/dom/xhr/tests/mochitest.ini
@ -113,3 +113,5 @@ skip-if = toolkit == "android" && debug && !is_fennec
 skip-if = (os == "win" && processor == "aarch64") #bug 1535784
 [test_worker_xhr_doubleSend.html]
 support-files = xhr_worker_doubleSend.js
+[test_sharedworker_xhr.html]
+support-files = xhr_sharedworker.js
--- a/dom/xhr/tests/test_sharedworker_xhr.html
+++ b/dom/xhr/tests/test_sharedworker_xhr.html
@ -0,0 +1,23 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test for SharedWorker Threads XHR</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<script class="testbody" type="text/javascript">
+
+var worker = new SharedWorker("xhr_sharedworker.js");
+
+worker.port.onmessage = function(event) {
+  is(event.data, "done", "Got correct result");
+  SimpleTest.finish();
+}
+worker.port.postMessage("worker_testXHR.txt");
+
+SimpleTest.waitForExplicitFinish();
+
+</script>
+</body>
+</html>
--- a/dom/xhr/tests/xhr_sharedworker.js
+++ b/dom/xhr/tests/xhr_sharedworker.js
@ -0,0 +1,105 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/* eslint-env worker */
+onconnect = e => {
+  e.ports[0].onmessage = event => {
+    const url = event.data;
+
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", url, false);
+    xhr.send();
+
+    const refText = xhr.responseText;
+
+    function getResponse(type) {
+      xhr = new XMLHttpRequest();
+      xhr.open("GET", url, false);
+      if (type !== undefined) {
+        xhr.responseType = type;
+      }
+      xhr.send();
+      return xhr.response;
+    }
+
+    if (getResponse() != refText) {
+      throw new Error("unset responseType failed");
+    }
+
+    if (getResponse("") != refText) {
+      throw new Error("'' responseType failed");
+    }
+
+    if (getResponse("text") != refText) {
+      throw new Error("'text' responseType failed");
+    }
+
+    var array = new Uint8Array(getResponse("arraybuffer"));
+    if (String.fromCharCode.apply(String, array) != refText) {
+      throw new Error("'arraybuffer' responseType failed");
+    }
+
+    var blob = getResponse("blob");
+    if (new FileReaderSync().readAsText(blob) != refText) {
+      throw new Error("'blob' responseType failed");
+    }
+
+    // Make sure that we get invalid state exceptions when getting the wrong
+    // property.
+
+    function testResponseTextException(type) {
+      xhr = new XMLHttpRequest();
+      xhr.open("GET", url, false);
+      xhr.responseType = type;
+      xhr.send();
+
+      var exception;
+
+      try {
+        xhr.responseText;
+      } catch (ex) {
+        exception = ex;
+      }
+
+      if (!exception) {
+        throw new Error(
+          `Failed to throw when getting responseText on ${type} type`
+        );
+      }
+
+      if (exception.name != "InvalidStateError") {
+        throw new Error(
+          `Unexpected error when getting responseText on ${type} type`
+        );
+      }
+
+      if (exception.code != DOMException.INVALID_STATE_ERR) {
+        throw new Error(
+          `Unexpected error code when getting responseText on ${type} type`
+        );
+      }
+    }
+
+    testResponseTextException("arraybuffer");
+    testResponseTextException("blob");
+
+    // Make sure "document" works, but returns text.
+    xhr = new XMLHttpRequest();
+
+    if (xhr.responseType != "") {
+      throw new Error("Default value for responseType is wrong!");
+    }
+
+    xhr.open("GET", url, false);
+    xhr.responseType = "document";
+    xhr.send();
+
+    if (xhr.responseText != refText) {
+      throw new Error("'document' type not working correctly");
+    }
+
+    e.ports[0].postMessage("done");
+  };
+};