[debugger] Basic scope functionality and exception events in wrapper

test/mjsunit/es6/debug-promises/throw-caught-uncaught.js

-// Copyright 2014 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
-// there is a catch handler for the exception thrown in a Promise.
-// We expect no debug event to be triggered.
-
-Debug = debug.Debug;
-
-var p = new Promise(function(resolve, reject) {
-  resolve();
-});
-
-var q = p.then(
-  function() {
-    throw new Error("caught throw");
-  });
-
-q.catch(
-  function(e) {
-    assertEquals("caught throw", e.message);
-  });
-
-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);