1 files changed, 134 insertions, 0 deletions
diff --git a/accessible/tests/browser/e10s/browser_caching_attributes.js b/accessible/tests/browser/e10s/browser_caching_attributes.js
new file mode 100644
index 0000000000..b8e157b068
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+++ b/accessible/tests/browser/e10s/browser_caching_attributes.js
@@ -0,0 +1,134 @@
+/* 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";
+
+/* import-globals-from ../../mochitest/attributes.js */
+loadScripts({ name: "attributes.js", dir: MOCHITESTS_DIR });
+
+/**
+ * Default textbox accessible attributes.
+ */
+const defaultAttributes = {
+  "margin-top": "0px",
+  "margin-right": "0px",
+  "margin-bottom": "0px",
+  "margin-left": "0px",
+  "text-align": "start",
+  "text-indent": "0px",
+  id: "textbox",
+  tag: "input",
+  display: "inline-block",
+};
+
+/**
+ * Test data has the format of:
+ * {
+ *   desc        {String}         description for better logging
+ *   expected    {Object}         expected attributes for given accessibles
+ *   unexpected  {Object}         unexpected attributes for given accessibles
+ *
+ *   action      {?AsyncFunction} an optional action that awaits a change in
+ *                                attributes
+ *   attrs       {?Array}         an optional list of attributes to update
+ *   waitFor     {?Number}        an optional event to wait for
+ * }
+ */
+const attributesTests = [
+  {
+    desc: "Initiall accessible attributes",
+    expected: defaultAttributes,
+    unexpected: {
+      "line-number": "1",
+      "explicit-name": "true",
+      "container-live": "polite",
+      live: "polite",
+    },
+  },
+  {
+    desc: "@line-number attribute is present when textbox is focused",
+    async action(browser) {
+      await invokeFocus(browser, "textbox");
+    },
+    waitFor: EVENT_FOCUS,
+    expected: Object.assign({}, defaultAttributes, { "line-number": "1" }),
+    unexpected: {
+      "explicit-name": "true",
+      "container-live": "polite",
+      live: "polite",
+    },
+  },
+  {
+    desc: "@aria-live sets container-live and live attributes",
+    attrs: [
+      {
+        attr: "aria-live",
+        value: "polite",
+      },
+    ],
+    expected: Object.assign({}, defaultAttributes, {
+      "line-number": "1",
+      "container-live": "polite",
+      live: "polite",
+    }),
+    unexpected: {
+      "explicit-name": "true",
+    },
+  },
+  {
+    desc: "@title attribute sets explicit-name attribute to true",
+    attrs: [
+      {
+        attr: "title",
+        value: "textbox",
+      },
+    ],
+    expected: Object.assign({}, defaultAttributes, {
+      "line-number": "1",
+      "explicit-name": "true",
+      "container-live": "polite",
+      live: "polite",
+    }),
+    unexpected: {},
+  },
+];
+
+/**
+ * Test caching of accessible object attributes
+ */
+addAccessibleTask(
+  `
+  <input id="textbox" value="hello">`,
+  async function(browser, accDoc) {
+    let textbox = findAccessibleChildByID(accDoc, "textbox");
+    for (let {
+      desc,
+      action,
+      attrs,
+      expected,
+      waitFor,
+      unexpected,
+    } of attributesTests) {
+      info(desc);
+      let onUpdate;
+
+      if (waitFor) {
+        onUpdate = waitForEvent(waitFor, "textbox");
+      }
+
+      if (action) {
+        await action(browser);
+      } else if (attrs) {
+        for (let { attr, value } of attrs) {
+          await invokeSetAttribute(browser, "textbox", attr, value);
+        }
+      }
+
+      await onUpdate;
+      testAttrs(textbox, expected);
+      testAbsentAttrs(textbox, unexpected);
+    }
+  },
+  { iframe: true, remoteIframe: true }
+);