From 59203c63bb777a3bacec32fb8830fba33540e809 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 12 Jun 2024 07:35:29 +0200
Subject: Adding upstream version 127.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../test/browser_inspector_picker-shift-key.js     | 35 ++++++++++++++++++++--
 devtools/client/inspector/test/head.js             |  8 +++--
 2 files changed, 38 insertions(+), 5 deletions(-)

(limited to 'devtools/client/inspector/test')

diff --git a/devtools/client/inspector/test/browser_inspector_picker-shift-key.js b/devtools/client/inspector/test/browser_inspector_picker-shift-key.js
index 2eb1c04709..db1d5510e7 100644
--- a/devtools/client/inspector/test/browser_inspector_picker-shift-key.js
+++ b/devtools/client/inspector/test/browser_inspector_picker-shift-key.js
@@ -13,12 +13,18 @@ const TEST_URI = `data:text/html;charset=utf-8,
     <div id="nopointer" style="pointer-events: none">Element with pointer-events: none</div>
     <div id="transluscent" style="pointer-events: none;opacity: 0.1">Element with opacity of 0.1</div>
     <div id="invisible" style="pointer-events: none;opacity: 0">Element with opacity of 0</div>
+    <div>
+      <header>Hello</header>
+      <div style="z-index:-1;position:relative;">
+        <span id="negative-z-index-child">ZZ</span>
+      </div>
+    </div>
   </main>`;
 const IS_OSX = Services.appinfo.OS === "Darwin";
 
 add_task(async function () {
-  const { inspector, toolbox } = await openInspectorForURL(TEST_URI);
-
+  const { inspector, toolbox, highlighterTestFront } =
+    await openInspectorForURL(TEST_URI);
   const body = await getNodeFront("body", inspector);
   is(
     inspector.selection.nodeFront,
@@ -72,6 +78,31 @@ add_task(async function () {
     shiftKey: true,
   });
   await checkElementSelected("main", inspector);
+
+  info("Shift-clicking element with negative z-index parent works");
+  await hoverElement(
+    inspector,
+    "#negative-z-index-child",
+    undefined,
+    undefined,
+    {
+      shiftKey: true,
+    }
+  );
+  is(
+    await highlighterTestFront.getHighlighterNodeTextContent(
+      "box-model-infobar-id"
+    ),
+    "#negative-z-index-child",
+    "The highlighter is shown on #negative-z-index-child"
+  );
+
+  await clickElement({
+    inspector,
+    selector: "#negative-z-index-child",
+    shiftKey: true,
+  });
+  await checkElementSelected("#negative-z-index-child", inspector);
 });
 
 async function clickElement({ selector, inspector, shiftKey }) {
diff --git a/devtools/client/inspector/test/head.js b/devtools/client/inspector/test/head.js
index cb1b00030c..73c8902c6b 100644
--- a/devtools/client/inspector/test/head.js
+++ b/devtools/client/inspector/test/head.js
@@ -131,10 +131,12 @@ function pickElement(inspector, selector, x, y) {
  *        X-offset from the top-left corner of the element matching the provided selector
  * @param {Number} y
  *        Y-offset from the top-left corner of the element matching the provided selector
+ * @param {Object} eventOptions
+ *        Options that will be passed to synthesizeMouse
  * @return {Promise} promise that resolves when both the "picker-node-hovered" and
  *                   "highlighter-shown" events are emitted.
  */
-async function hoverElement(inspector, selector, x, y) {
+async function hoverElement(inspector, selector, x, y, eventOptions = {}) {
   const { waitForHighlighterTypeShown } = getHighlighterTestHelpers(inspector);
   info(`Waiting for element "${selector}" to be hovered`);
   const onHovered = inspector.toolbox.nodePicker.once("picker-node-hovered");
@@ -159,7 +161,7 @@ async function hoverElement(inspector, selector, x, y) {
   if (isNaN(x) || isNaN(y)) {
     BrowserTestUtils.synthesizeMouseAtCenter(
       selector,
-      { type: "mousemove" },
+      { ...eventOptions, type: "mousemove" },
       browsingContext
     );
   } else {
@@ -167,7 +169,7 @@ async function hoverElement(inspector, selector, x, y) {
       selector,
       x,
       y,
-      { type: "mousemove" },
+      { ...eventOptions, type: "mousemove" },
       browsingContext
     );
   }
-- 
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