[debug-wrapper] Further extend the debug wrapper

test/mjsunit/es6/debug-promises/throw-with-throw-in-reject.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 an exception is thrown inside a Promise, which is
-// caught by a custom promise, which throws a new exception in its reject
-// handler. We expect two Exception debug events:
-//  1) when the exception is thrown in the promise q.
-//  2) when the custom reject closure in MyPromise throws an exception.
-
-Debug = debug.Debug;
-
-var expected_events = 1;
-var log = [];
-
-var p = new Promise(function(resolve, reject) {
-  log.push("resolve");
-  resolve();
-});
-
-function MyPromise(resolver) {
-  var reject = function() {
-    log.push("throw in reject");
-    throw new Error("reject");  // event
-  };
-  var resolve = function() { };
-  log.push("construct");
-  resolver(resolve, reject);
-};
-
-MyPromise.prototype = new Promise(function() {});
-MyPromise.__proto__ = Promise;
-p.constructor = MyPromise;
-
-var q = p.then(
-  function() {
-    log.push("throw caught");
-    throw new Error("caught");  // event
-  });
-
-function listener(event, exec_state, event_data, data) {
-  try {
-    if (event == Debug.DebugEvent.Exception) {
-      expected_events--;
-      assertTrue(expected_events >= 0);
-      if (expected_events == 0) {
-        assertEquals(["resolve", "construct", "end main",
-                      "throw caught"], log);
-        assertEquals("caught", event_data.exception().message);
-      } else {
-        assertUnreachable();
-      }
-      assertSame(q, event_data.promise());
-      assertTrue(exec_state.frame(0).sourceLineText().indexOf('// event') > 0);
-    }
-  } catch (e) {
-    %AbortJS(e + "\n" + e.stack);
-  }
-}
-
-Debug.setBreakOnUncaughtException();
-Debug.setListener(listener);
-
-log.push("end main");
-
-function testDone(iteration) {
-  function checkResult() {
-    try {
-      assertTrue(iteration < 10);
-      if (expected_events === 0) {
-        assertEquals(["resolve", "construct", "end main",
-                      "throw caught", "throw in reject"], log);
-      } else {
-        testDone(iteration + 1);
-      }
-    } catch (e) {
-      %AbortJS(e + "\n" + e.stack);
-    }
-  }
-
-  %EnqueueMicrotask(checkResult);
-}
-
-testDone(0);