1 files changed, 27 insertions, 0 deletions
diff --git a/devtools/client/debugger/new/test/mochitest/browser_dbg-scopes.js b/devtools/client/debugger/new/test/mochitest/browser_dbg-scopes.js
new file mode 100644
index 0000000000..adb99be84d
--- /dev/null
+++ b/devtools/client/debugger/new/test/mochitest/browser_dbg-scopes.js
@@ -0,0 +1,27 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function toggleNode(dbg, index) {
+  clickElement(dbg, "scopeNode", index);
+}
+
+function getLabel(dbg, index) {
+  return findElement(dbg, "scopeNode", index).innerText;
+}
+
+add_task(function* () {
+  const dbg = yield initDebugger("doc-script-switching.html");
+
+  toggleScopes(dbg);
+
+  invokeInTab("firstCall");
+  yield waitForPaused(dbg);
+
+  toggleNode(dbg, 1);
+  toggleNode(dbg, 2);
+
+  yield waitForDispatch(dbg, "LOAD_OBJECT_PROPERTIES");
+
+  is(getLabel(dbg, 1), "secondCall");
+  is(getLabel(dbg, 2), "<this>");
+});