Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 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 |
| 6 | // Tests stepping into through Array.prototype.forEach callbacks. |
| 7 | |
| 8 | Debug = debug.Debug |
| 9 | var exception = null; |
| 10 | var break_count = 0; |
| 11 | var expected_breaks = -1; |
| 12 | |
| 13 | function listener(event, exec_state, event_data, data) { |
| 14 | try { |
| 15 | if (event == Debug.DebugEvent.Break) { |
| 16 | assertTrue(exec_state.frameCount() != 0, "FAIL: Empty stack trace"); |
| 17 | if (!break_count) { |
| 18 | // Count number of expected breakpoints in this source file. |
| 19 | var source_text = exec_state.frame(0).func().script().source(); |
| 20 | expected_breaks = source_text.match(/\/\/\s*Break\s+\d+\./g).length; |
| 21 | print("Expected breaks: " + expected_breaks); |
| 22 | } |
| 23 | var source = exec_state.frame(0).sourceLineText(); |
| 24 | print("paused at: " + source); |
| 25 | assertTrue(source.indexOf("// Break " + break_count + ".") > 0, |
| 26 | "Unexpected pause at: " + source + "\n" + |
| 27 | "Expected: // Break " + break_count + "."); |
| 28 | ++break_count; |
| 29 | if (break_count !== expected_breaks) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 30 | exec_state.prepareStep(Debug.StepAction.StepIn); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 31 | } |
| 32 | } |
| 33 | } catch(e) { |
| 34 | exception = e; |
| 35 | print(e, e.stack); |
| 36 | } |
| 37 | }; |
| 38 | |
| 39 | Debug.setListener(listener); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 40 | var bound_callback = callback.bind(null); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 41 | |
| 42 | debugger; // Break 0. |
| 43 | [1,2].forEach(callback); // Break 1. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 44 | [3,4].forEach(bound_callback); // Break 6. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 45 | |
| 46 | function callback(x) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 47 | return x; // Break 2. // Break 4. // Break 7. // Break 9. |
| 48 | } // Break 3. // Break 5. // Break 8. // Break 10. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 49 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 50 | assertNull(exception); // Break 11. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 51 | assertEquals(expected_breaks, break_count); |
| 52 | |
| 53 | Debug.setListener(null); |