1 files changed, 24 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-async-stepping.js b/devtools/client/debugger/test/mochitest/browser_dbg-async-stepping.js
new file mode 100644
index 0000000000..a39d7f3875
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-async-stepping.js
@@ -0,0 +1,24 @@
+/* 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/>. */
+
+// Tests async stepping will step over await statements
+
+"use strict";
+
+add_task(async function test() {
+  await pushPref("devtools.debugger.features.async-stepping", true);
+  const dbg = await initDebugger("doc-async.html", "async.js");
+
+  await selectSource(dbg, "async.js");
+  await addBreakpoint(dbg, "async.js", 8);
+  invokeInTab("main");
+
+  await waitForPaused(dbg);
+  assertPausedAtSourceAndLine(dbg, findSource(dbg, "async.js").id, 8);
+
+  await stepOver(dbg);
+  assertPausedAtSourceAndLine(dbg, findSource(dbg, "async.js").id, 9);
+
+  await assertBreakpoint(dbg, 8);
+});