1 files changed, 165 insertions, 0 deletions
diff --git a/accessible/tests/browser/mac/browser_live_regions.js b/accessible/tests/browser/mac/browser_live_regions.js
new file mode 100644
index 0000000000..10a03120f8
--- /dev/null
+++ b/accessible/tests/browser/mac/browser_live_regions.js
@@ -0,0 +1,165 @@
+/* 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";
+
+/**
+ * Test live region creation and removal.
+ */
+addAccessibleTask(
+  `
+  <div id="polite" aria-relevant="removals">Polite region</div>
+  <div id="assertive" aria-live="assertive">Assertive region</div>
+  `,
+  async (browser, accDoc) => {
+    let politeRegion = getNativeInterface(accDoc, "polite");
+    ok(
+      !politeRegion.attributeNames.includes("AXARIALive"),
+      "region is not live"
+    );
+
+    let liveRegionAdded = waitForMacEvent("AXLiveRegionCreated", "polite");
+    await SpecialPowers.spawn(browser, [], () => {
+      content.document
+        .getElementById("polite")
+        .setAttribute("aria-atomic", "true");
+      content.document
+        .getElementById("polite")
+        .setAttribute("aria-live", "polite");
+    });
+    await liveRegionAdded;
+    is(
+      politeRegion.getAttributeValue("AXARIALive"),
+      "polite",
+      "region is now live"
+    );
+    ok(politeRegion.getAttributeValue("AXARIAAtomic"), "region is atomic");
+    is(
+      politeRegion.getAttributeValue("AXARIARelevant"),
+      "removals",
+      "region has defined aria-relevant"
+    );
+
+    let assertiveRegion = getNativeInterface(accDoc, "assertive");
+    is(
+      assertiveRegion.getAttributeValue("AXARIALive"),
+      "assertive",
+      "region is assertive"
+    );
+    ok(
+      !assertiveRegion.getAttributeValue("AXARIAAtomic"),
+      "region is not atomic"
+    );
+    is(
+      assertiveRegion.getAttributeValue("AXARIARelevant"),
+      "additions text",
+      "region has default aria-relevant"
+    );
+
+    let liveRegionRemoved = waitForEvent(
+      EVENT_LIVE_REGION_REMOVED,
+      "assertive"
+    );
+    await SpecialPowers.spawn(browser, [], () => {
+      content.document.getElementById("assertive").removeAttribute("aria-live");
+    });
+    await liveRegionRemoved;
+    ok(!assertiveRegion.getAttributeValue("AXARIALive"), "region is not live");
+
+    liveRegionAdded = waitForMacEvent("AXLiveRegionCreated", "new-region");
+    await SpecialPowers.spawn(browser, [], () => {
+      let newRegionElm = content.document.createElement("div");
+      newRegionElm.id = "new-region";
+      newRegionElm.setAttribute("aria-live", "assertive");
+      content.document.body.appendChild(newRegionElm);
+    });
+    await liveRegionAdded;
+
+    let newRegion = getNativeInterface(accDoc, "new-region");
+    is(
+      newRegion.getAttributeValue("AXARIALive"),
+      "assertive",
+      "region is assertive"
+    );
+
+    let loadComplete = Promise.all([
+      waitForMacEvent("AXLoadComplete"),
+      waitForMacEvent("AXLiveRegionCreated", "region-1"),
+      waitForMacEvent("AXLiveRegionCreated", "region-2"),
+      waitForMacEvent("AXLiveRegionCreated", "status"),
+      waitForMacEvent("AXLiveRegionCreated", "output"),
+    ]);
+
+    await SpecialPowers.spawn(browser, [], () => {
+      content.location = `data:text/html;charset=utf-8,
+        <div id="region-1" aria-live="polite"></div>
+        <div id="region-2" aria-live="assertive"></div>
+        <div id="region-3" aria-live="off"></div>
+        <div id="alert" role="alert"></div>
+        <div id="status" role="status"></div>
+        <output id="output"></output>`;
+    });
+    let webArea = (await loadComplete)[0];
+
+    is(webArea.getAttributeValue("AXRole"), "AXWebArea", "web area yeah");
+    const searchPred = {
+      AXSearchKey: "AXLiveRegionSearchKey",
+      AXResultsLimit: -1,
+      AXDirection: "AXDirectionNext",
+    };
+    const liveRegions = webArea.getParameterizedAttributeValue(
+      "AXUIElementsForSearchPredicate",
+      NSDictionary(searchPred)
+    );
+    Assert.deepEqual(
+      liveRegions.map(r => r.getAttributeValue("AXDOMIdentifier")),
+      ["region-1", "region-2", "alert", "status", "output"],
+      "SearchPredicate returned all live regions"
+    );
+  }
+);
+
+/**
+ * Test live region changes
+ */
+addAccessibleTask(
+  `
+  <div id="live" aria-live="polite">
+  The time is <span id="time">4:55pm</span>
+  <p id="p" style="display: none">Georgia on my mind</p>
+  <button id="button" aria-label="Start"></button>
+  </div>
+  `,
+  async (browser, accDoc) => {
+    let liveRegionChanged = waitForMacEvent("AXLiveRegionChanged", "live");
+    await SpecialPowers.spawn(browser, [], () => {
+      content.document.getElementById("time").textContent = "4:56pm";
+    });
+    await liveRegionChanged;
+    ok(true, "changed textContent");
+
+    liveRegionChanged = waitForMacEvent("AXLiveRegionChanged", "live");
+    await SpecialPowers.spawn(browser, [], () => {
+      content.document.getElementById("p").style.display = "block";
+    });
+    await liveRegionChanged;
+    ok(true, "changed display style to block");
+
+    liveRegionChanged = waitForMacEvent("AXLiveRegionChanged", "live");
+    await SpecialPowers.spawn(browser, [], () => {
+      content.document.getElementById("p").style.display = "none";
+    });
+    await liveRegionChanged;
+    ok(true, "changed display style to none");
+
+    liveRegionChanged = waitForMacEvent("AXLiveRegionChanged", "live");
+    await SpecialPowers.spawn(browser, [], () => {
+      content.document
+        .getElementById("button")
+        .setAttribute("aria-label", "Stop");
+    });
+    await liveRegionChanged;
+    ok(true, "changed aria-label");
+  }
+);