Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [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 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 5 | // Flags: --expose-debug-as debug |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 6 | |
| 7 | Debug = debug.Debug |
| 8 | |
| 9 | var debug_step = 0; |
| 10 | var failure = null; |
| 11 | |
| 12 | function listener(event, exec_state, event_data, data) { |
| 13 | if (event != Debug.DebugEvent.Break) return; |
| 14 | try { |
| 15 | if (debug_step == 0) { |
| 16 | assertEquals(1, exec_state.frame(0).evaluate('a').value()); |
| 17 | assertEquals(3, exec_state.frame(0).evaluate('b').value()); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 18 | exec_state.frame(0).evaluate("a = 4").value(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 19 | debug_step++; |
| 20 | } else { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 21 | assertEquals(4, exec_state.frame(0).evaluate('a').value()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 22 | assertEquals(3, exec_state.frame(0).evaluate('b').value()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 23 | exec_state.frame(0).evaluate("set_a_to_5()"); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 24 | exec_state.frame(0).evaluate("b = 5").value(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 25 | } |
| 26 | } catch (e) { |
| 27 | failure = e; |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | Debug.setListener(listener); |
| 32 | |
| 33 | function* generator(a, b) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 34 | function set_a_to_5() { a = 5 } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 35 | var b = 3; // Shadows a parameter. |
| 36 | debugger; |
| 37 | yield a; |
| 38 | yield b; |
| 39 | debugger; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 40 | yield a; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 41 | return b; |
| 42 | } |
| 43 | |
| 44 | var foo = generator(1, 2); |
| 45 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 46 | assertEquals(4, foo.next().value); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 47 | assertEquals(3, foo.next().value); |
| 48 | assertEquals(5, foo.next().value); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 49 | assertEquals(5, foo.next().value); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 50 | assertNull(failure); |
| 51 | |
| 52 | Debug.setListener(null); |