Trigger exception debug events on Promise reject.

test/mjsunit/es6/debug-promises/reject-in-constructor.js

Index: test/mjsunit/es6/debug-promises/reject-in-constructor.js
diff --git a/test/mjsunit/es6/debug-promises-throw-in-constructor.js b/test/mjsunit/es6/debug-promises/reject-in-constructor.js
similarity index 65%
copy from test/mjsunit/es6/debug-promises-throw-in-constructor.js
copy to test/mjsunit/es6/debug-promises/reject-in-constructor.js
index e0ffcf70521b2237aeecf742cb22b17aef521660..a05b3ac5d656967ce31ab0b2dec08ea464e92fec 100644
--- a/test/mjsunit/es6/debug-promises-throw-in-constructor.js
+++ b/test/mjsunit/es6/debug-promises/reject-in-constructor.js
@@ -5,32 +5,25 @@
 // Flags: --expose-debug-as debug
 
 // Test debug events when we only listen to uncaught exceptions and
-// an exception is thrown in the the Promise constructor.
+// the Promise is rejected in the Promise constructor.
 // We expect an Exception debug event with a promise to be triggered.
 
 Debug = debug.Debug;
 
-var step = 0;
+var steps = 0;
 var exception = null;
 
 function listener(event, exec_state, event_data, data) {
   try {
-    // Ignore exceptions during startup in stress runs.
-    if (step >= 1) return;
     if (event == Debug.DebugEvent.Exception) {
-      assertEquals(0, step);
+      steps++;
       assertEquals("uncaught", event_data.exception().message);
       assertTrue(event_data.promise() instanceof Promise);
       assertTrue(event_data.uncaught());
       // Assert that the debug event is triggered at the throw site.
       assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0);
-      step++;
     }
   } catch (e) {
-    // Signal a failure with exit code 1.  This is necessary since the
-    // debugger swallows exceptions and we expect the chained function
-    // and this listener to be executed after the main script is finished.
-    print("Unexpected exception: " + e + "\n" + e.stack);
     exception = e;
   }
 }
@@ -39,8 +32,8 @@ Debug.setBreakOnUncaughtException();
 Debug.setListener(listener);
 
 var p = new Promise(function(resolve, reject) {
-  throw new Error("uncaught");  // event
+  reject(new Error("uncaught"));  // event
 });
 
-assertEquals(1, step);
+assertEquals(1, steps);
 assertNull(exception);