1 files changed, 55 insertions, 0 deletions
diff --git a/devtools/client/responsive/test/browser/browser_contextmenu_inspect.js b/devtools/client/responsive/test/browser/browser_contextmenu_inspect.js
new file mode 100644
index 0000000000..a4d1833c48
--- /dev/null
+++ b/devtools/client/responsive/test/browser/browser_contextmenu_inspect.js
@@ -0,0 +1,55 @@
+"use strict";
+
+// Check that Inspect Element works in Responsive Design Mode.
+
+const TEST_URI = `${URL_ROOT}doc_contextmenu_inspect.html`;
+
+addRDMTask(TEST_URI, async function({ ui, manager }) {
+  info("Open the responsive design mode and set its size to 500x500 to start");
+  await setViewportSize(ui, manager, 500, 500);
+
+  info("Open the inspector, rule-view and select the test node");
+  const { inspector } = await openRuleView();
+
+  const startNodeFront = inspector.selection.nodeFront;
+  is(startNodeFront.displayName, "body", "body element is selected by default");
+
+  const onSelected = inspector.once("inspector-updated");
+
+  const contentAreaContextMenu = document.querySelector(
+    "#contentAreaContextMenu"
+  );
+  const contextOpened = once(contentAreaContextMenu, "popupshown");
+
+  info("Simulate a context menu event from the top browser.");
+  BrowserTestUtils.synthesizeMouse(
+    ui.getViewportBrowser(),
+    250,
+    100,
+    {
+      type: "contextmenu",
+      button: 2,
+    },
+    ui.tab.linkedBrowser
+  );
+
+  await contextOpened;
+
+  info("Triggering the inspect action");
+  await gContextMenu.inspectNode();
+
+  info("Hiding the menu");
+  const contextClosed = once(contentAreaContextMenu, "popuphidden");
+  contentAreaContextMenu.hidePopup();
+  await contextClosed;
+
+  await onSelected;
+  const newNodeFront = inspector.selection.nodeFront;
+  is(
+    newNodeFront.displayName,
+    "div",
+    "div element is selected after using Inspect Element"
+  );
+
+  await closeToolbox();
+});