1 files changed, 278 insertions, 0 deletions
diff --git a/accessible/tests/browser/tree/browser_aria_owns.js b/accessible/tests/browser/tree/browser_aria_owns.js
new file mode 100644
index 0000000000..0ca55ed357
--- /dev/null
+++ b/accessible/tests/browser/tree/browser_aria_owns.js
@@ -0,0 +1,278 @@
+/* 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";
+
+let NO_MOVE = { unexpected: [[EVENT_REORDER, "container"]] };
+let MOVE = { expected: [[EVENT_REORDER, "container"]] };
+
+// Set last ordinal child as aria-owned, should produce no reorder.
+addAccessibleTask(
+  `<ul id="container"><li id="a">Test</li></ul>`,
+  async function (browser, accDoc) {
+    let containerAcc = findAccessibleChildByID(accDoc, "container");
+
+    testChildrenIds(containerAcc, ["a"]);
+
+    await contentSpawnMutation(browser, NO_MOVE, function () {
+      // aria-own ordinal child in place, should be a no-op.
+      content.document
+        .getElementById("container")
+        .setAttribute("aria-owns", "a");
+    });
+
+    testChildrenIds(containerAcc, ["a"]);
+  }
+);
+
+// Add a new ordinal child to a container with an aria-owned child.
+// Order should respect aria-owns.
+addAccessibleTask(
+  `<ul id="container"><li id="a">Test</li></ul>`,
+  async function (browser, accDoc) {
+    let containerAcc = findAccessibleChildByID(accDoc, "container");
+
+    testChildrenIds(containerAcc, ["a"]);
+
+    await contentSpawnMutation(browser, MOVE, function () {
+      let container = content.document.getElementById("container");
+      container.setAttribute("aria-owns", "a");
+
+      let aa = content.document.createElement("li");
+      aa.id = "aa";
+      container.appendChild(aa);
+    });
+
+    testChildrenIds(containerAcc, ["aa", "a"]);
+
+    await contentSpawnMutation(browser, MOVE, function () {
+      content.document.getElementById("container").removeAttribute("aria-owns");
+    });
+
+    testChildrenIds(containerAcc, ["a", "aa"]);
+  }
+);
+
+// Remove a no-move aria-owns attribute, should result in a no-move.
+addAccessibleTask(
+  `<ul id="container" aria-owns="a"><li id="a">Test</li></ul>`,
+  async function (browser, accDoc) {
+    let containerAcc = findAccessibleChildByID(accDoc, "container");
+
+    testChildrenIds(containerAcc, ["a"]);
+
+    await contentSpawnMutation(browser, NO_MOVE, function () {
+      // remove aria-owned child that is already ordinal, should be no-op.
+      content.document.getElementById("container").removeAttribute("aria-owns");
+    });
+
+    testChildrenIds(containerAcc, ["a"]);
+  }
+);
+
+// Attempt to steal an aria-owned child. The attempt should fail.
+addAccessibleTask(
+  `
+  <ul>
+    <li id="a">Test</li>
+  </ul>
+  <ul aria-owns="a"></ul>
+  <ul id="container"></ul>`,
+  async function (browser, accDoc) {
+    let containerAcc = findAccessibleChildByID(accDoc, "container");
+
+    testChildrenIds(containerAcc, []);
+
+    await contentSpawnMutation(browser, NO_MOVE, function () {
+      content.document
+        .getElementById("container")
+        .setAttribute("aria-owns", "a");
+    });
+
+    testChildrenIds(containerAcc, []);
+  }
+);
+
+// Don't aria-own children of <select>
+addAccessibleTask(
+  `
+  <div id="container" role="group" aria-owns="b"></div>
+  <select id="select">
+    <option id="a"></option>
+    <option id="b"></option>
+  </select>`,
+  async function (browser, accDoc) {
+    let containerAcc = findAccessibleChildByID(accDoc, "container");
+    let selectAcc = findAccessibleChildByID(accDoc, "select");
+
+    testChildrenIds(containerAcc, []);
+    testChildrenIds(selectAcc.firstChild, ["a", "b"]);
+  }
+);
+
+// Don't allow <select> to aria-own
+addAccessibleTask(
+  `
+  <div id="container" role="group">
+    <div id="a"></div>
+    <div id="b"></div>
+  </div>
+  <select id="select" aria-owns="a">
+    <option id="c"></option>
+  </select>`,
+  async function (browser, accDoc) {
+    let containerAcc = findAccessibleChildByID(accDoc, "container");
+    let selectAcc = findAccessibleChildByID(accDoc, "select");
+
+    testChildrenIds(containerAcc, ["a", "b"]);
+    testChildrenIds(selectAcc.firstChild, ["c"]);
+  }
+);
+
+// Don't allow one <select> to aria-own an <option> from another <select>.
+addAccessibleTask(
+  `
+  <select id="select1" aria-owns="c">
+    <option id="a"></option>
+    <option id="b"></option>
+  </select>
+  <select id="select2">
+    <option id="c"></option>
+  </select>`,
+  async function (browser, accDoc) {
+    let selectAcc1 = findAccessibleChildByID(accDoc, "select1");
+    let selectAcc2 = findAccessibleChildByID(accDoc, "select2");
+
+    testChildrenIds(selectAcc1.firstChild, ["a", "b"]);
+    testChildrenIds(selectAcc2.firstChild, ["c"]);
+  }
+);
+
+// Don't allow a <select> to reorder its children with aria-owns.
+addAccessibleTask(
+  `
+  <select id="container" aria-owns="c b a">
+    <option id="a"></option>
+    <option id="b"></option>
+    <option id="c"></option>
+  </select>`,
+  async function (browser, accDoc) {
+    let containerAcc = findAccessibleChildByID(accDoc, "container");
+
+    testChildrenIds(containerAcc.firstChild, ["a", "b", "c"]);
+
+    await contentSpawnMutation(browser, NO_MOVE, function () {
+      content.document
+        .getElementById("container")
+        .setAttribute("aria-owns", "a c b");
+    });
+
+    testChildrenIds(containerAcc.firstChild, ["a", "b", "c"]);
+  }
+);
+
+// Don't crash if ID in aria-owns does not exist
+addAccessibleTask(
+  `
+  <select id="container" aria-owns="boom" multiple></select>`,
+  async function (browser, accDoc) {
+    ok(true, "Did not crash");
+  }
+);
+
+addAccessibleTask(
+  `
+  <ul id="one">
+    <li id="a">Test</li>
+    <li id="b">Test 2</li>
+    <li id="c">Test 3</li>
+  </ul>
+  <ul id="two"></ul>`,
+  async function (browser, accDoc) {
+    let one = findAccessibleChildByID(accDoc, "one");
+    let two = findAccessibleChildByID(accDoc, "two");
+
+    let waitfor = {
+      expected: [
+        [EVENT_REORDER, "one"],
+        [EVENT_REORDER, "two"],
+      ],
+    };
+
+    await contentSpawnMutation(browser, waitfor, function () {
+      // Put same id twice in aria-owns
+      content.document.getElementById("two").setAttribute("aria-owns", "a a");
+    });
+
+    testChildrenIds(one, ["b", "c"]);
+    testChildrenIds(two, ["a"]);
+
+    await contentSpawnMutation(browser, waitfor, function () {
+      // If the previous double-id aria-owns worked correctly, we should
+      // be in a good state and all is fine..
+      content.document.getElementById("two").setAttribute("aria-owns", "a b");
+    });
+
+    testChildrenIds(one, ["c"]);
+    testChildrenIds(two, ["a", "b"]);
+  }
+);
+
+addAccessibleTask(
+  `<div id="a"></div><div id="b"></div>`,
+  async function (browser, accDoc) {
+    testChildrenIds(accDoc, ["a", "b"]);
+
+    let waitFor = {
+      expected: [[EVENT_REORDER, e => e.accessible == accDoc]],
+    };
+
+    await contentSpawnMutation(browser, waitFor, function () {
+      content.document.documentElement.style.display = "none";
+      content.document.documentElement.getBoundingClientRect();
+      content.document.body.setAttribute("aria-owns", "b a");
+      content.document.documentElement.remove();
+    });
+
+    testChildrenIds(accDoc, []);
+  }
+);
+
+// Don't allow ordinal child to be placed after aria-owned child (bug 1405796)
+addAccessibleTask(
+  `<div id="container"><div id="a">Hello</div></div>
+                   <div><div id="c">There</div><div id="d">There</div></div>`,
+  async function (browser, accDoc) {
+    let containerAcc = findAccessibleChildByID(accDoc, "container");
+
+    testChildrenIds(containerAcc, ["a"]);
+
+    await contentSpawnMutation(browser, MOVE, function () {
+      content.document
+        .getElementById("container")
+        .setAttribute("aria-owns", "c");
+    });
+
+    testChildrenIds(containerAcc, ["a", "c"]);
+
+    await contentSpawnMutation(browser, MOVE, function () {
+      let span = content.document.createElement("span");
+      content.document.getElementById("container").appendChild(span);
+
+      let b = content.document.createElement("div");
+      b.id = "b";
+      content.document.getElementById("container").appendChild(b);
+    });
+
+    testChildrenIds(containerAcc, ["a", "b", "c"]);
+
+    await contentSpawnMutation(browser, MOVE, function () {
+      content.document
+        .getElementById("container")
+        .setAttribute("aria-owns", "c d");
+    });
+
+    testChildrenIds(containerAcc, ["a", "b", "c", "d"]);
+  }
+);