blob: d3e4e6e458204316db151d26e06c5399169f0ad4 (
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
// 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.
Debug = debug.Debug
var exception = null;
var break_count = 0;
const expected_breaks = 10;
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) {
assertTrue(exec_state.frameCount() != 0, "FAIL: Empty stack trace");
var source = exec_state.frame(0).sourceLineText();
print("paused at: " + source);
assertTrue(source.indexOf("// Break " + break_count + ".") > 0,
"Unexpected pause at: " + source + "\n" +
"Expected: // Break " + break_count + ".");
if (source.indexOf("StepOver.") !== -1) {
exec_state.prepareStep(Debug.StepAction.StepNext);
} else if (source.indexOf("StepOut.") !== -1) {
exec_state.prepareStep(Debug.StepAction.StepOut);
} else {
exec_state.prepareStep(Debug.StepAction.StepIn);
}
++break_count;
}
} catch (e) {
exception = e;
print(e, e.stack);
}
};
Debug.setListener(listener);
Promise.resolve(42)
.then(promise1)
.then(Object) // Should skip stepping into native.
.then(Boolean) // Should skip stepping into native.
.then(promise2)
.catch(promise3)
.then(promise4)
.catch(function(e) {
%AbortJS("FAIL: uncaught exception " + e);
});
function promise1() {
debugger; // Break 0.
return exception || 1 // Break 1.
; // Break 2. StepOver.
}
function promise2() {
throw new Error; // Break 3.
}
function promise3() {
return break_count // Break 4.
; // Break 5.
}
function promise4() {
finalize(); // Break 6. StepOver.
return 0 // Break 7.
; // Break 8. StepOut.
}
function finalize() {
Promise.resolve().then(function() {
if (expected_breaks !== break_count) { // Break 9. StepOut.
%AbortJS("FAIL: expected <" + expected_breaks + "> breaks instead of <" +
break_count + ">");
}
if (exception !== null) {
%AbortJS("FAIL: exception: " + exception);
}
});
}
|
