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1 // Copyright 2015 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 | |
6 | |
7 Debug = debug.Debug | |
8 var exception = null; | |
9 var break_count = 0; | |
10 | |
11 function listener(event, exec_state, event_data, data) { | |
12 try { | |
13 if (event == Debug.DebugEvent.Break) { | |
14 assertTrue(exec_state.frameCount() != 0, "FAIL: Empty stack trace"); | |
15 // Count number of expected breakpoints in this source file. | |
16 if (!break_count) { | |
17 var source_text = exec_state.frame(0).func().script().source(); | |
18 expected_breaks = source_text.match(/\/\/\s*Break\s+\d+\./g).length; | |
19 print("Expected breaks: " + expected_breaks); | |
20 } | |
21 var frameMirror = exec_state.frame(0); | |
22 | |
23 frameMirror.allScopes(); | |
24 var source = frameMirror.sourceLineText(); | |
25 print("paused at: " + source); | |
26 assertTrue(source.indexOf("// Break " + break_count + ".") > 0, | |
27 "Unexpected pause at: " + source + "\n" + | |
28 "Expected: // Break " + break_count + "."); | |
29 ++break_count; | |
30 | |
31 if (break_count !== expected_breaks) { | |
32 exec_state.prepareStep(Debug.StepAction.StepIn); | |
33 print("Next step prepared"); | |
34 } | |
35 } | |
36 } catch(e) { | |
37 exception = e; | |
38 print(e, e.stack); | |
39 } | |
40 }; | |
41 | |
42 Debug.setListener(listener); | |
43 | |
44 var sum = 0; | |
45 (function (){ | |
46 'use strict'; | |
47 | |
48 debugger; // Break 0. | |
49 var i = 0; // Break 1. | |
50 i++; // Break 2. | |
51 i++; // Break 3. | |
52 debugger; // Break 4. | |
53 return i; // Break 5. | |
54 }()); // Break 6. | |
55 | |
56 assertNull(exception); // Break 7. | |
57 assertEquals(expected_breaks, break_count); | |
58 | |
59 Debug.setListener(null); | |
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