[debug-wrapper] Further extend the debug wrapper

test/mjsunit/es6/debug-promises/throw-caught-by-default-reject-handler.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 only a default reject handler for the to-be-rejected Promise.
-// We expect only one debug event: when the first Promise is rejected
-// and only has default reject handlers. No event is triggered when
-// simply forwarding the rejection with .then's default handler.
-
-Debug = debug.Debug;
-
-var expected_events = 1;
-var log = [];
-
-var resolve, reject;
-var p0 = new Promise(function(res, rej) { resolve = res; reject = rej; });
-var p1 = p0.then(function() {
-  log.push("p0.then");
-  throw new Error("123");  // event
-});
-var p2 = p1.then(function() {
-  log.push("p1.then");
-});
-
-var q = new Promise(function(res, rej) {
-  log.push("resolve q");
-  res();
-});
-
-q.then(function() {
-  log.push("resolve p");
-  resolve();
-})
-
-
-function listener(event, exec_state, event_data, data) {
-  try {
-    if (event == Debug.DebugEvent.Exception) {
-      expected_events--;
-      assertTrue(expected_events >= 0);
-      assertTrue(event_data.uncaught());
-      assertTrue(event_data.promise() instanceof Promise);
-      // p1 is rejected, uncaught except for its default reject handler.
-      assertTrue(
-          exec_state.frame(0).sourceLineText().indexOf("// event") > 0);
-      assertSame(p1, event_data.promise());
-    }
-  } 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 q", "end main", "resolve p", "p0.then"], log);
-      } else {
-        testDone(iteration + 1);
-      }
-    } catch (e) {
-      %AbortJS(e + "\n" + e.stack);
-    }
-  }
-
-  %EnqueueMicrotask(checkResult);
-}
-
-testDone(0);