Debugger: correctly report uncaught rejections in Promise.all and Promise.race.

test/mjsunit/es6/debug-promises/promise-race-caught.js

Index: test/mjsunit/es6/debug-promises/promise-race-caught.js
diff --git a/test/mjsunit/es6/debug-promises/promise-race-caught.js b/test/mjsunit/es6/debug-promises/promise-race-caught.js
new file mode 100644
index 0000000000000000000000000000000000000000..dd3ca83ee8946834337f7e5de8854afa2415a2cf
--- /dev/null
+++ b/test/mjsunit/es6/debug-promises/promise-race-caught.js
@@ -0,0 +1,40 @@
+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --expose-debug-as debug --allow-natives-syntax
+
+// Test debug events when we only listen to uncaught exceptions and a
+// Promise p3 created by Promise.race has a catch handler, and is rejected
+// because one of the Promises p2 passed to Promise.all is rejected. We
+// expect no Exception debug event to be triggered, since p3 and by
+// extension p2 have a catch handler.
+
+var Debug = debug.Debug;
+
+var expected_events = 2;
+
+var p1 = Promise.resolve();
+p1.name = "p1";
+
+var p2 = p1.then(function() {
+  throw new Error("caught");
+});
+
+p2.name = "p2";
+
+var p3 = Promise.all([p2]);
+p3.name = "p3";
+
+p3.catch(function(e) {});
+
+function listener(event, exec_state, event_data, data) {
+  try {
+    assertTrue(event != Debug.DebugEvent.Exception)
+  } catch (e) {
+    %AbortJS(e + "\n" + e.stack);
+  }
+}
+
+Debug.setBreakOnUncaughtException();
+Debug.setListener(listener);