Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 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 | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 6 | |
| 7 | // Get the Debug object exposed from the debug context global object. |
| 8 | Debug = debug.Debug |
| 9 | |
| 10 | listenerComplete = false; |
| 11 | breakPointCount = 0; |
| 12 | |
| 13 | function listener(event, exec_state, event_data, data) { |
| 14 | if (event == Debug.DebugEvent.Break) { |
| 15 | breakPointCount++; |
| 16 | if (breakPointCount == 1) { |
| 17 | // Break point in initializer for parameter `a`, invoked by |
| 18 | // initializer for parameter `b` |
| 19 | assertEquals('default', exec_state.frame(1).evaluate('mode').value()); |
| 20 | |
| 21 | // initializer for `b` can't refer to `b` |
| 22 | assertThrows(function() { |
| 23 | exec_state.frame(1).evaluate('b').value(); |
| 24 | }, ReferenceError); |
| 25 | |
| 26 | assertThrows(function() { |
| 27 | exec_state.frame(1).evaluate('c'); |
| 28 | }, ReferenceError); |
| 29 | } else if (breakPointCount == 2) { |
| 30 | // Break point in IIFE initializer for parameter `c` |
| 31 | assertEquals('modeFn', exec_state.frame(1).evaluate('a.name').value()); |
| 32 | assertEquals('default', exec_state.frame(1).evaluate('b').value()); |
| 33 | assertThrows(function() { |
| 34 | exec_state.frame(1).evaluate('c'); |
| 35 | }, ReferenceError); |
| 36 | } else if (breakPointCount == 3) { |
| 37 | // Break point in function body --- `c` parameter is shadowed |
| 38 | assertEquals('modeFn', exec_state.frame(0).evaluate('a.name').value()); |
| 39 | assertEquals('default', exec_state.frame(0).evaluate('b').value()); |
| 40 | assertEquals('local', exec_state.frame(0).evaluate('d').value()); |
| 41 | } |
| 42 | } |
| 43 | }; |
| 44 | |
| 45 | // Add the debug event listener. |
| 46 | Debug.setListener(listener); |
| 47 | |
| 48 | function f(a = function modeFn(mode) { debugger; return mode; }, |
| 49 | b = a("default"), |
| 50 | c = (function() { debugger; })()) { |
| 51 | var d = 'local'; |
| 52 | debugger; |
| 53 | }; |
| 54 | |
| 55 | f(); |
| 56 | |
| 57 | // Make sure that the debug event listener vas invoked. |
| 58 | assertEquals(3, breakPointCount); |