[debugger] Basic scope functionality and exception events in wrapper

test/mjsunit/es6/debug-promises/throw-eventually-caught.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 to-be-rejected Promise.
-// We expect no Exception debug events, since the default reject handler passes
-// the rejection on to a user-defined reject handler.
-
-Debug = debug.Debug;
-
-var resolve, reject;
-var p0 = new Promise(function(res, rej) { resolve = res; reject = rej; });
-
-var p1 = p0.then(function() {
-  throw new Error();
-});
-
-var p2 = p1.then(function() { });
-var p3 = p2.catch(function() { });
-
-var q = new Promise(function(res, rej) {
-  res();
-});
-
-q.then(function() {
-  resolve();
-})
-
-
-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);