[debug-wrapper] Further extend the debug wrapper

test/mjsunit/es6/debug-promises/promise-race-uncaught.js

-// Copyright 2015 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 a
-// Promise p3 created by Promise.race has no catch handler, and is rejected
-// because one of the Promises p2 passed to Promise.race is rejected.
-// We expect one event for p2; the system recognizes the rejection of p3
-// to be redundant and based on the rejection of p2 and does not trigger
-// an additional rejection.
-
-var Debug = debug.Debug;
-
-var expected_events = 1;
-var log = [];
-
-function listener(event, exec_state, event_data, data) {
-  if (event != Debug.DebugEvent.Exception) return;
-  try {
-    expected_events--;
-    assertTrue(expected_events >= 0);
-    assertEquals("uncaught", event_data.exception().message);
-    assertTrue(event_data.promise() instanceof Promise);
-    // Assert that the debug event is triggered at the throw site.
-    assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0);
-    assertEquals("p2", event_data.promise().name);
-    assertTrue(event_data.uncaught());
-  } catch (e) {
-    %AbortJS(e + "\n" + e.stack);
-  }
-}
-
-Debug.setBreakOnUncaughtException();
-Debug.setListener(listener);
-
-var p1 = Promise.resolve();
-p1.name = "p1";
-
-var p2 = p1.then(function() {
-  log.push("throw");
-  throw new Error("uncaught");  // event
-});
-
-p2.name = "p2";
-
-var p3 = Promise.race([p2]);
-p3.name = "p3";
-
-log.push("end main");
-
-function testDone(iteration) {
-  function checkResult() {
-    try {
-      assertTrue(iteration < 10);
-      if (expected_events === 0) {
-        assertEquals(["end main", "throw"], log);
-      } else {
-        testDone(iteration + 1);
-      }
-    } catch (e) {
-      %AbortJS(e + "\n" + e.stack);
-    }
-  }
-
-  %EnqueueMicrotask(checkResult);
-}
-
-testDone(0);