Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1 | // Copyright 2016 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 | // Test that the parameter initialization block scope set up for |
| 8 | // sloppy eval is visible to the debugger. |
| 9 | |
| 10 | var Debug = debug.Debug; |
| 11 | var exception = null; |
| 12 | var break_count = 0; |
| 13 | |
| 14 | function call_for_break() { |
| 15 | return 5; |
| 16 | } |
| 17 | |
| 18 | function test(x = eval("var y = 7; debugger; y") + call_for_break()) { |
| 19 | return x; |
| 20 | } |
| 21 | |
| 22 | function listener(event, exec_state, event_data, data) { |
| 23 | if (event != Debug.DebugEvent.Break) return; |
| 24 | try { |
| 25 | var frame = exec_state.frame(0); |
| 26 | var block_scope; |
| 27 | if (break_count++ == 0) { |
| 28 | // Inside eval. |
| 29 | assertEquals([ debug.ScopeType.Eval, |
| 30 | debug.ScopeType.Block, |
| 31 | debug.ScopeType.Closure, |
| 32 | debug.ScopeType.Script, |
| 33 | debug.ScopeType.Global ], |
| 34 | frame.allScopes().map(s => s.scopeType())); |
| 35 | exec_state.prepareStep(Debug.StepAction.StepOut); |
| 36 | block_scope = frame.scope(1); |
| 37 | } else { |
| 38 | // Outside of eval. |
| 39 | assertEquals([ debug.ScopeType.Block, |
| 40 | debug.ScopeType.Local, |
| 41 | debug.ScopeType.Script, |
| 42 | debug.ScopeType.Global ], |
| 43 | frame.allScopes().map(s => s.scopeType())); |
| 44 | block_scope = frame.scope(0); |
| 45 | } |
| 46 | assertTrue(block_scope.scopeObject().propertyNames().includes('y')); |
| 47 | assertEquals(7, block_scope.scopeObject().property('y').value().value()); |
| 48 | } catch (e) { |
| 49 | print(e); |
| 50 | exception = e; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | Debug.setListener(listener); |
| 55 | |
| 56 | assertEquals(12, test()); |
| 57 | |
| 58 | Debug.setListener(null); |
| 59 | |
| 60 | assertNull(exception); |
| 61 | assertEquals(2, break_count); |