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1 // Copyright 2016 the V8 project authors. All rights reserved. | 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 | 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 | 6 |
| 7 // Test that hidden scopes are correctly walked in the scope chain. |
| 8 |
7 var Debug = debug.Debug; | 9 var Debug = debug.Debug; |
8 var exception = null; | 10 var exception = null; |
| 11 var delegate = null; |
| 12 var done = false; |
9 | 13 |
10 function listener(event, exec_state, event_data, data) { | 14 function listener(event, exec_state, event_data, data) { |
11 if (event != Debug.DebugEvent.Break) return; | 15 if (event != Debug.DebugEvent.Break) return; |
12 try { | 16 try { |
13 assertThrows(() => exec_state.frame(0).evaluate("bar.baz"), ReferenceError); | 17 assertEquals([ debug.ScopeType.Block, |
| 18 debug.ScopeType.Script, |
| 19 debug.ScopeType.Global ], |
| 20 exec_state.frame(0).allScopes().map(s => s.scopeType())); |
| 21 done = true; |
14 } catch (e) { | 22 } catch (e) { |
15 exception = e; | 23 exception = e; |
16 } | 24 } |
17 } | 25 } |
18 | 26 |
19 Debug.setListener(listener); | 27 Debug.setListener(listener); |
20 | 28 |
21 (function() { | 29 for(let a = 0; a < 3; a++) { |
22 debugger; // bar is still in TDZ at this point. | 30 debugger; |
23 let bar = 1; | 31 eval(); // Force context-allocation of everything. |
24 (x => bar); // force bar to be context-allocated. | 32 } |
25 })(); | |
26 | 33 |
27 Debug.setListener(null); | 34 Debug.setListener(null); |
28 assertNull(exception); | 35 assertNull(exception); |
| 36 assertTrue(done); |
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