1 files changed, 65 insertions, 0 deletions
diff --git a/accessible/tests/browser/bounds/browser_test_zoom.js b/accessible/tests/browser/bounds/browser_test_zoom.js
new file mode 100644
index 0000000000..ac84e485a4
--- /dev/null
+++ b/accessible/tests/browser/bounds/browser_test_zoom.js
@@ -0,0 +1,65 @@
+/* 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/layout.js */
+
+async function testContentBounds(browser, acc) {
+  let [expectedX, expectedY, expectedWidth, expectedHeight] =
+    await getContentBoundsForDOMElm(browser, getAccessibleDOMNodeID(acc));
+
+  let contentDPR = await getContentDPR(browser);
+  let [x, y, width, height] = getBounds(acc, contentDPR);
+  let prettyAccName = prettyName(acc);
+  is(x, expectedX, "Wrong x coordinate of " + prettyAccName);
+  is(y, expectedY, "Wrong y coordinate of " + prettyAccName);
+  is(width, expectedWidth, "Wrong width of " + prettyAccName);
+  ok(height >= expectedHeight, "Wrong height of " + prettyAccName);
+}
+
+async function runTests(browser, accDoc) {
+  let p1 = findAccessibleChildByID(accDoc, "p1");
+  let p2 = findAccessibleChildByID(accDoc, "p2");
+  let imgmap = findAccessibleChildByID(accDoc, "imgmap");
+  if (!imgmap.childCount) {
+    // An image map may not be available even after the doc and image load
+    // is complete. We don't recieve any DOM events for this change either,
+    // so we need to wait for a REORDER.
+    await waitForEvent(EVENT_REORDER, "imgmap");
+  }
+  let area = imgmap.firstChild;
+
+  await testContentBounds(browser, p1);
+  await testContentBounds(browser, p2);
+  await testContentBounds(browser, area);
+
+  await SpecialPowers.spawn(browser, [], () => {
+    const { Layout } = ChromeUtils.importESModule(
+      "chrome://mochitests/content/browser/accessible/tests/browser/Layout.sys.mjs"
+    );
+    Layout.zoomDocument(content.document, 2.0);
+  });
+
+  await testContentBounds(browser, p1);
+  await testContentBounds(browser, p2);
+  await testContentBounds(browser, area);
+}
+
+/**
+ * Test accessible boundaries when page is zoomed
+ */
+addAccessibleTask(
+  `
+<p id="p1">para 1</p><p id="p2">para 2</p>
+<map name="atoz_map" id="map">
+  <area id="area1" href="http://mozilla.org"
+        coords=17,0,30,14" alt="mozilla.org" shape="rect">
+</map>
+<img id="imgmap" width="447" height="15"
+     usemap="#atoz_map"
+     src="http://example.com/a11y/accessible/tests/mochitest/letters.gif">`,
+  runTests,
+  { iframe: true, remoteIframe: true }
+);