1 files changed, 320 insertions, 0 deletions
diff --git a/accessible/tests/browser/e10s/browser_treeupdate_doc.js b/accessible/tests/browser/e10s/browser_treeupdate_doc.js
new file mode 100644
index 0000000000..982b039762
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+++ b/accessible/tests/browser/e10s/browser_treeupdate_doc.js
@@ -0,0 +1,320 @@
+/* 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/role.js */
+loadScripts({ name: "role.js", dir: MOCHITESTS_DIR });
+
+const iframeSrc = `data:text/html,
+  <html>
+    <head>
+      <meta charset='utf-8'/>
+      <title>Inner Iframe</title>
+    </head>
+    <body id='inner-iframe'></body>
+  </html>`;
+
+addAccessibleTask(
+  `
+  <iframe id="iframe" src="${iframeSrc}"></iframe>`,
+  async function (browser, accDoc) {
+    // ID of the iframe that is being tested
+    const id = "inner-iframe";
+
+    let iframe = findAccessibleChildByID(accDoc, id);
+
+    /* ================= Initial tree check =================================== */
+    let tree = {
+      role: ROLE_DOCUMENT,
+      children: [],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Write iframe document ================================ */
+    let reorderEventPromise = waitForEvent(EVENT_REORDER, id);
+    await invokeContentTask(browser, [id], contentId => {
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      let newHTMLNode = docNode.createElement("html");
+      let newBodyNode = docNode.createElement("body");
+      let newTextNode = docNode.createTextNode("New Wave");
+      newBodyNode.id = contentId;
+      newBodyNode.appendChild(newTextNode);
+      newHTMLNode.appendChild(newBodyNode);
+      docNode.replaceChild(newHTMLNode, docNode.documentElement);
+    });
+    await reorderEventPromise;
+
+    tree = {
+      role: ROLE_DOCUMENT,
+      children: [
+        {
+          role: ROLE_TEXT_LEAF,
+          name: "New Wave",
+        },
+      ],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Replace iframe HTML element ========================== */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, id);
+    await invokeContentTask(browser, [id], contentId => {
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      // We can't use open/write/close outside of iframe document because of
+      // security error.
+      let script = docNode.createElement("script");
+      script.textContent = `
+      document.open();
+      document.write('<body id="${contentId}">hello</body>');
+      document.close();`;
+      docNode.body.appendChild(script);
+    });
+    await reorderEventPromise;
+
+    tree = {
+      role: ROLE_DOCUMENT,
+      children: [
+        {
+          role: ROLE_TEXT_LEAF,
+          name: "hello",
+        },
+      ],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Replace iframe body ================================== */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, id);
+    await invokeContentTask(browser, [id], contentId => {
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      let newBodyNode = docNode.createElement("body");
+      let newTextNode = docNode.createTextNode("New Hello");
+      newBodyNode.id = contentId;
+      newBodyNode.appendChild(newTextNode);
+      newBodyNode.setAttribute("role", "application");
+      docNode.documentElement.replaceChild(newBodyNode, docNode.body);
+    });
+    await reorderEventPromise;
+
+    tree = {
+      role: ROLE_APPLICATION,
+      children: [
+        {
+          role: ROLE_TEXT_LEAF,
+          name: "New Hello",
+        },
+      ],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Open iframe document ================================= */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, id);
+    await invokeContentTask(browser, [id], contentId => {
+      // Open document.
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      let script = docNode.createElement("script");
+      script.textContent = `
+      function closeMe() {
+        document.write('Works?');
+        document.close();
+      }
+      window.closeMe = closeMe;
+      document.open();
+      document.write('<body id="${contentId}"></body>');`;
+      docNode.body.appendChild(script);
+    });
+    await reorderEventPromise;
+
+    tree = {
+      role: ROLE_DOCUMENT,
+      children: [],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Close iframe document ================================ */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, id);
+    await invokeContentTask(browser, [], () => {
+      // Write and close document.
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      docNode.write("Works?");
+      docNode.close();
+    });
+    await reorderEventPromise;
+
+    tree = {
+      role: ROLE_DOCUMENT,
+      children: [
+        {
+          role: ROLE_TEXT_LEAF,
+          name: "Works?",
+        },
+      ],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Remove HTML from iframe document ===================== */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, iframe);
+    await invokeContentTask(browser, [], () => {
+      // Remove HTML element.
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      docNode.firstChild.remove();
+    });
+    let event = await reorderEventPromise;
+
+    ok(
+      event.accessible instanceof nsIAccessibleDocument,
+      "Reorder should happen on the document"
+    );
+    tree = {
+      role: ROLE_DOCUMENT,
+      children: [],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Insert HTML to iframe document ======================= */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, id);
+    await invokeContentTask(browser, [id], contentId => {
+      // Insert HTML element.
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      let html = docNode.createElement("html");
+      let body = docNode.createElement("body");
+      let text = docNode.createTextNode("Haha");
+      body.appendChild(text);
+      body.id = contentId;
+      html.appendChild(body);
+      docNode.appendChild(html);
+    });
+    await reorderEventPromise;
+
+    tree = {
+      role: ROLE_DOCUMENT,
+      children: [
+        {
+          role: ROLE_TEXT_LEAF,
+          name: "Haha",
+        },
+      ],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Remove body from iframe document ===================== */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, iframe);
+    await invokeContentTask(browser, [], () => {
+      // Remove body element.
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      docNode.documentElement.removeChild(docNode.body);
+    });
+    event = await reorderEventPromise;
+
+    ok(
+      event.accessible instanceof nsIAccessibleDocument,
+      "Reorder should happen on the document"
+    );
+    tree = {
+      role: ROLE_DOCUMENT,
+      children: [],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================ Insert element under document element while body missed */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, iframe);
+    await invokeContentTask(browser, [], () => {
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      let inputNode = (content.window.inputNode =
+        docNode.createElement("input"));
+      docNode.documentElement.appendChild(inputNode);
+    });
+    event = await reorderEventPromise;
+
+    ok(
+      event.accessible instanceof nsIAccessibleDocument,
+      "Reorder should happen on the document"
+    );
+    tree = {
+      DOCUMENT: [{ ENTRY: [] }],
+    };
+    testAccessibleTree(iframe, tree);
+
+    reorderEventPromise = waitForEvent(EVENT_REORDER, iframe);
+    await invokeContentTask(browser, [], () => {
+      let docEl =
+        content.document.getElementById("iframe").contentDocument
+          .documentElement;
+      // Remove aftermath of this test before next test starts.
+      docEl.firstChild.remove();
+    });
+    // Make sure reorder event was fired and that the input was removed.
+    await reorderEventPromise;
+    tree = {
+      role: ROLE_DOCUMENT,
+      children: [],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Insert body to iframe document ======================= */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, id);
+    await invokeContentTask(browser, [id], contentId => {
+      // Write and close document.
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      // Insert body element.
+      let body = docNode.createElement("body");
+      let text = docNode.createTextNode("Yo ho ho i butylka roma!");
+      body.appendChild(text);
+      body.id = contentId;
+      docNode.documentElement.appendChild(body);
+    });
+    await reorderEventPromise;
+
+    tree = {
+      role: ROLE_DOCUMENT,
+      children: [
+        {
+          role: ROLE_TEXT_LEAF,
+          name: "Yo ho ho i butylka roma!",
+        },
+      ],
+    };
+    testAccessibleTree(iframe, tree);
+
+    /* ================= Change source ======================================== */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, "iframe");
+    await invokeSetAttribute(
+      browser,
+      "iframe",
+      "src",
+      `data:text/html,<html><body id="${id}"><input></body></html>`
+    );
+    event = await reorderEventPromise;
+
+    tree = {
+      INTERNAL_FRAME: [{ DOCUMENT: [{ ENTRY: [] }] }],
+    };
+    testAccessibleTree(event.accessible, tree);
+    iframe = findAccessibleChildByID(event.accessible, id);
+
+    /* ================= Replace iframe body on ARIA role body ================ */
+    reorderEventPromise = waitForEvent(EVENT_REORDER, id);
+    await invokeContentTask(browser, [id], contentId => {
+      let docNode = content.document.getElementById("iframe").contentDocument;
+      let newBodyNode = docNode.createElement("body");
+      let newTextNode = docNode.createTextNode("New Hello");
+      newBodyNode.appendChild(newTextNode);
+      newBodyNode.setAttribute("role", "application");
+      newBodyNode.id = contentId;
+      docNode.documentElement.replaceChild(newBodyNode, docNode.body);
+    });
+    await reorderEventPromise;
+
+    tree = {
+      role: ROLE_APPLICATION,
+      children: [
+        {
+          role: ROLE_TEXT_LEAF,
+          name: "New Hello",
+        },
+      ],
+    };
+    testAccessibleTree(iframe, tree);
+  },
+  { iframe: true, remoteIframe: true }
+);