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Side by Side Diff: test/mjsunit/debug-stepin-foreach.js

Issue 1525173003: [debugger] remove step count parameter from prepare step. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Flags: --expose-debug-as debug 5 // Flags: --expose-debug-as debug
6 // Tests stepping into through Array.prototype.forEach callbacks. 6 // Tests stepping into through Array.prototype.forEach callbacks.
7 7
8 Debug = debug.Debug 8 Debug = debug.Debug
9 var exception = null; 9 var exception = null;
10 var break_count = 0; 10 var break_count = 0;
11 var expected_breaks = -1; 11 var expected_breaks = -1;
12 12
13 function listener(event, exec_state, event_data, data) { 13 function listener(event, exec_state, event_data, data) {
14 try { 14 try {
15 if (event == Debug.DebugEvent.Break) { 15 if (event == Debug.DebugEvent.Break) {
16 assertTrue(exec_state.frameCount() != 0, "FAIL: Empty stack trace"); 16 assertTrue(exec_state.frameCount() != 0, "FAIL: Empty stack trace");
17 if (!break_count) { 17 if (!break_count) {
18 // Count number of expected breakpoints in this source file. 18 // Count number of expected breakpoints in this source file.
19 var source_text = exec_state.frame(0).func().script().source(); 19 var source_text = exec_state.frame(0).func().script().source();
20 expected_breaks = source_text.match(/\/\/\s*Break\s+\d+\./g).length; 20 expected_breaks = source_text.match(/\/\/\s*Break\s+\d+\./g).length;
21 print("Expected breaks: " + expected_breaks); 21 print("Expected breaks: " + expected_breaks);
22 } 22 }
23 var source = exec_state.frame(0).sourceLineText(); 23 var source = exec_state.frame(0).sourceLineText();
24 print("paused at: " + source); 24 print("paused at: " + source);
25 assertTrue(source.indexOf("// Break " + break_count + ".") > 0, 25 assertTrue(source.indexOf("// Break " + break_count + ".") > 0,
26 "Unexpected pause at: " + source + "\n" + 26 "Unexpected pause at: " + source + "\n" +
27 "Expected: // Break " + break_count + "."); 27 "Expected: // Break " + break_count + ".");
28 ++break_count; 28 ++break_count;
29 if (break_count !== expected_breaks) { 29 if (break_count !== expected_breaks) {
30 exec_state.prepareStep(Debug.StepAction.StepIn, 1); 30 exec_state.prepareStep(Debug.StepAction.StepIn);
31 } 31 }
32 } 32 }
33 } catch(e) { 33 } catch(e) {
34 exception = e; 34 exception = e;
35 print(e, e.stack); 35 print(e, e.stack);
36 } 36 }
37 }; 37 };
38 38
39 Debug.setListener(listener); 39 Debug.setListener(listener);
40 var bound_callback = callback.bind(null); 40 var bound_callback = callback.bind(null);
41 41
42 debugger; // Break 0. 42 debugger; // Break 0.
43 [1,2].forEach(callback); // Break 1. 43 [1,2].forEach(callback); // Break 1.
44 [3,4].forEach(bound_callback); // Break 6. 44 [3,4].forEach(bound_callback); // Break 6.
45 45
46 function callback(x) { 46 function callback(x) {
47 return x; // Break 2. // Break 4. // Break 7. // Break 9. 47 return x; // Break 2. // Break 4. // Break 7. // Break 9.
48 } // Break 3. // Break 5. // Break 8. // Break 10. 48 } // Break 3. // Break 5. // Break 8. // Break 10.
49 49
50 assertNull(exception); // Break 11. 50 assertNull(exception); // Break 11.
51 assertEquals(expected_breaks, break_count); 51 assertEquals(expected_breaks, break_count);
52 52
53 Debug.setListener(null); 53 Debug.setListener(null);
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