1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // Flags: --expose-debug-as debug --allow-natives-syntax
7 // Test debug events when we only listen to uncaught exceptions and
8 // there is a catch handler for the exception thrown in a Promise.
9 // We expect an Exception debug event with a promise to be triggered.
13 var expected_events = 1;
16 var p = new Promise(function(resolve, reject) {
24 throw new Error("uncaught"); // event
27 function listener(event, exec_state, event_data, data) {
28 if (event == Debug.DebugEvent.AsyncTaskEvent) return;
30 if (event == Debug.DebugEvent.Exception) {
32 assertTrue(expected_events >= 0);
33 assertEquals("uncaught", event_data.exception().message);
34 assertTrue(event_data.promise() instanceof Promise);
35 assertSame(q, event_data.promise());
36 assertTrue(event_data.uncaught());
37 // Assert that the debug event is triggered at the throw site.
38 assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0);
41 %AbortJS(e + "\n" + e.stack);
45 Debug.setBreakOnUncaughtException();
46 Debug.setListener(listener);
50 function testDone(iteration) {
51 function checkResult() {
53 assertTrue(iteration < 10);
54 if (expected_events === 0) {
55 assertEquals(["resolve", "end main", "throw"], log);
57 testDone(iteration + 1);
60 %AbortJS(e + "\n" + e.stack);
64 // Run testDone through the Object.observe processing loop.
66 Object.observe(dummy, checkResult);