1 files changed, 103 insertions, 0 deletions
diff --git a/accessible/tests/browser/bounds/browser_position.js b/accessible/tests/browser/bounds/browser_position.js
new file mode 100644
index 0000000000..18de7d8a76
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+++ b/accessible/tests/browser/bounds/browser_position.js
@@ -0,0 +1,103 @@
+/* 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 });
+
+/**
+ * Test changing the left/top CSS properties.
+ */
+addAccessibleTask(
+  `
+<div id="div" style="position: relative; left: 0px; top: 0px; width: fit-content;">
+  test
+</div>
+  `,
+  async function (browser, docAcc) {
+    await testBoundsWithContent(docAcc, "div", browser);
+    info("Changing left");
+    await invokeContentTask(browser, [], () => {
+      content.document.getElementById("div").style.left = "200px";
+    });
+    await waitForContentPaint(browser);
+    await testBoundsWithContent(docAcc, "div", browser);
+    info("Changing top");
+    await invokeContentTask(browser, [], () => {
+      content.document.getElementById("div").style.top = "200px";
+    });
+    await waitForContentPaint(browser);
+    await testBoundsWithContent(docAcc, "div", browser);
+  },
+  { chrome: true, topLevel: true, iframe: true }
+);
+
+/**
+ * Test moving one element by inserting a second element before it such that the
+ * second element doesn't reflow.
+ */
+addAccessibleTask(
+  `
+<div id="reflowContainer">
+  <p>1</p>
+  <p id="reflow2" hidden>2</p>
+  <p id="reflow3">3</p>
+</div>
+<p id="noReflow">noReflow</p>
+  `,
+  async function (browser, docAcc) {
+    for (const id of ["reflowContainer", "reflow3", "noReflow"]) {
+      await testBoundsWithContent(docAcc, id, browser);
+    }
+    // Show p2, which will reflow everything inside "reflowContainer", but just
+    // move "noReflow" down without reflowing it.
+    info("Showing p2");
+    let shown = waitForEvent(EVENT_SHOW, "reflow2");
+    await invokeContentTask(browser, [], () => {
+      content.document.getElementById("reflow2").hidden = false;
+    });
+    await waitForContentPaint(browser);
+    await shown;
+    for (const id of ["reflowContainer", "reflow2", "reflow3", "noReflow"]) {
+      await testBoundsWithContent(docAcc, id, browser);
+    }
+  },
+  { chrome: true, topLevel: true, remoteIframe: true }
+);
+
+/**
+ * Test bounds when an Accessible is re-parented.
+ */
+addAccessibleTask(
+  `
+<div id="container">
+  <p style="height: 300px;">1</p>
+  <div class="pParent">
+    <p id="p2">2</p>
+  </div>
+</div>
+  `,
+  async function (browser, docAcc) {
+    const paraTree = { PARAGRAPH: [{ TEXT_LEAF: [] }] };
+    const container = findAccessibleChildByID(docAcc, "container");
+    testAccessibleTree(container, { SECTION: [paraTree, paraTree] });
+    await testBoundsWithContent(docAcc, "p2", browser);
+    // Add a click listener to the div containing p2. This will cause an
+    // Accessible to be created for that div, which didn't have one before.
+    info("Adding click listener to pParent");
+    let reordered = waitForEvent(EVENT_REORDER, container);
+    await invokeContentTask(browser, [], () => {
+      content.document
+        .querySelector(".pParent")
+        .addEventListener("click", function () {});
+    });
+    await reordered;
+    testAccessibleTree(container, {
+      SECTION: [paraTree, { SECTION: [paraTree] }],
+    });
+    await testBoundsWithContent(docAcc, "p2", browser);
+  },
+  { chrome: true, topLevel: true, remoteIframe: true }
+);