From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../browser_treeupdate_csscontentvisibility.js     | 72 ++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 accessible/tests/browser/e10s/browser_treeupdate_csscontentvisibility.js

(limited to 'accessible/tests/browser/e10s/browser_treeupdate_csscontentvisibility.js')

diff --git a/accessible/tests/browser/e10s/browser_treeupdate_csscontentvisibility.js b/accessible/tests/browser/e10s/browser_treeupdate_csscontentvisibility.js
new file mode 100644
index 0000000000..0af583a96c
--- /dev/null
+++ b/accessible/tests/browser/e10s/browser_treeupdate_csscontentvisibility.js
@@ -0,0 +1,72 @@
+/* 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 snippet = `
+  <style>
+    #target {
+      width: 150px;
+      height: 150px;
+      background-color: lightblue;
+    }
+    #child {
+      width: 100px;
+      height: 100px;
+      background-color: lightgreen;
+    }
+    #content-child {
+      width: 100px;
+      height: 100px;
+      background-color: green;
+      display: contents;
+    }
+    .hidden {
+      content-visibility: hidden;
+    }
+    .auto {
+      content-visibility: auto;
+    }
+  </style>
+  <div class="hidden" id="target">
+    <div id="child"></div>
+    <div id="content-child"></div>
+  </div>
+  `;
+
+add_setup(async function () {
+  await SpecialPowers.pushPrefEnv({
+    set: [["layout.css.content-visibility.enabled", true]],
+  });
+});
+
+async function setContentVisibility(browser, id, value) {
+  let onReorder = waitForEvent(EVENT_REORDER, id);
+
+  // Change the value of `content-visibility` property for the target
+  info(`Setting content-visibility: ${value} on ${id}`);
+  await invokeSetAttribute(browser, id, "class", value);
+  await onReorder;
+}
+
+addAccessibleTask(
+  snippet,
+  async function (browser, accDoc) {
+    const targetId = "target";
+    const target = findAccessibleChildByID(accDoc, targetId);
+
+    info("Initial Accessibility Structure Test");
+    testAccessibleTree(target, { SECTION: [] });
+
+    await setContentVisibility(browser, targetId, "auto");
+    testAccessibleTree(target, { SECTION: [{ SECTION: [] }, { SECTION: [] }] });
+
+    await setContentVisibility(browser, targetId, "hidden");
+    testAccessibleTree(target, { SECTION: [] });
+  },
+  { iframe: true, remoteIframe: true, chrome: true }
+);
-- 
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