1 files changed, 18 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-event-handler.js b/devtools/client/debugger/test/mochitest/browser_dbg-event-handler.js
new file mode 100644
index 0000000000..10acc9f118
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-event-handler.js
@@ -0,0 +1,18 @@
+/* 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/>. */
+
+// Test that pausing within an event handler on an element does *not* show the
+// HTML page containing that element. It should show a sources tab containing
+// just the handler's text instead.
+
+"use strict";
+
+add_task(async function () {
+  const dbg = await initDebugger("doc-event-handler.html");
+
+  invokeInTab("synthesizeClick");
+  await waitForPaused(dbg);
+  const source = dbg.selectors.getSelectedSource();
+  ok(!source.url, "Selected source should not have a URL");
+});