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Side by Side Diff: test/mjsunit/es6/debug-promises/reject-caught-all.js

Issue 2497973002: [debug-wrapper] Further extend the debug wrapper (Closed)
Patch Set: Address comments Created 4 years, 1 month ago
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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.
4
5 // Flags: --expose-debug-as debug --allow-natives-syntax
6
7 // Test debug events when we listen to all exceptions and
8 // there is a catch handler for the to-be-rejected Promise.
9 // We expect a normal Exception debug event to be triggered.
10
11 Debug = debug.Debug;
12
13 var log = [];
14 var expected_events = 1;
15
16 var p = new Promise(function(resolve, reject) {
17 log.push("resolve");
18 resolve();
19 });
20
21 var q = p.then(
22 function(value) {
23 log.push("reject");
24 return Promise.reject(new Error("reject"));
25 });
26
27 q.catch(
28 function(e) {
29 assertEquals("reject", e.message);
30 });
31
32
33 function listener(event, exec_state, event_data, data) {
34 try {
35 if (event == Debug.DebugEvent.Exception) {
36 expected_events--;
37 assertTrue(expected_events >= 0);
38 assertEquals("reject", event_data.exception().message);
39 assertSame(q, event_data.promise());
40 assertFalse(event_data.uncaught());
41 }
42 } catch (e) {
43 %AbortJS(e + "\n" + e.stack);
44 }
45 }
46
47 Debug.setBreakOnException();
48 Debug.setListener(listener);
49
50 log.push("end main");
51
52 function testDone(iteration) {
53 function checkResult() {
54 try {
55 assertTrue(iteration < 10);
56 if (expected_events === 0) {
57 assertEquals(["resolve", "end main", "reject"], log);
58 } else {
59 testDone(iteration + 1);
60 }
61 } catch (e) {
62 %AbortJS(e + "\n" + e.stack);
63 }
64 }
65
66 %EnqueueMicrotask(checkResult);
67 }
68
69 testDone(0);
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