blob: 1902767b7986ab395361711e0fab7e23a593c0d5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// Copyright 2017 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.
function f() {
throw new Error();
}
function g() {
try {
f();
} catch (e) {
return 1; // Break
}
}
function h() {
return g();
}
%PrepareFunctionForOptimization(h);
h();
h();
var Debug = debug.Debug;
var step_count = 0;
var exception = null;
function listener(event, exec_state, event_data, data) {
if (event == Debug.DebugEvent.Exception) {
step_count++;
exec_state.prepareStep(Debug.StepAction.StepNext);
} else if (event == Debug.DebugEvent.Break) {
step_count++;
try {
assertTrue(exec_state.frame().sourceLineText().includes('Break'));
} catch (e) {
exception = e;
print(e);
}
}
}
Debug.setListener(listener);
Debug.setBreakOnException();
%OptimizeFunctionOnNextCall(h);
h();
Debug.setListener(null);
assertNull(exception);
|
