1 files changed, 31 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/stepping-async.js b/devtools/server/tests/xpcshell/stepping-async.js
new file mode 100644
index 0000000000..0ee37883bc
--- /dev/null
+++ b/devtools/server/tests/xpcshell/stepping-async.js
@@ -0,0 +1,31 @@
+"use strict";
+/* exported stuff */
+
+async function timer() {
+  return Promise.resolve();
+}
+
+function oops() {
+  return `oops`;
+}
+
+async function inner() {
+  oops();
+  await timer();
+  Promise.resolve().then(async () => {
+    Promise.resolve().then(() => {
+      oops();
+    });
+    oops();
+  });
+  oops();
+}
+
+async function stuff() {
+  debugger;
+  const task = inner();
+  oops();
+  await task;
+  oops();
+  debugger;
+}