1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Debugger-onPromiseSettled-05.js b/js/src/jit-test/tests/debug/Debugger-onPromiseSettled-05.js
new file mode 100644
index 0000000000..8c99684619
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Debugger-onPromiseSettled-05.js
@@ -0,0 +1,25 @@
+// Settling a promise within an onPromiseSettled handler causes a recursive
+// handler invocation.
+
+var g = newGlobal({newCompartment: true});
+var dbg = new Debugger();
+var gw = dbg.addDebuggee(g);
+var log;
+var depth;
+
+dbg.onPromiseSettled = function (promise) {
+  log += '('; depth++;
+
+  assertEq(promise.seen, undefined);
+  promise.seen = true;
+
+  if (depth < 3) {
+    gw.executeInGlobal(`settlePromiseNow(new Promise(_=>{}));`);
+  }
+  log += ')'; depth--;
+};
+
+log = '';
+depth = 0;
+g.settlePromiseNow(new g.Promise(_=>{}));
+assertEq(log, '((()))');