Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +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 | |
| 5 | // Flags: --expose-debug-as debug |
| 6 | |
| 7 | 'use strict'; |
| 8 | |
| 9 | var Debug = debug.Debug |
| 10 | var done, stepCount; |
| 11 | |
| 12 | function listener(event, execState, eventData, data) { |
| 13 | if (event == Debug.DebugEvent.Break) { |
| 14 | if (!done) { |
| 15 | execState.prepareStep(Debug.StepAction.StepIn); |
| 16 | var s = execState.frame().sourceLineText(); |
| 17 | assertTrue(s.indexOf('// ' + stepCount + '.') !== -1); |
| 18 | stepCount++; |
| 19 | } |
| 20 | } |
| 21 | }; |
| 22 | |
| 23 | Debug.setListener(listener); |
| 24 | |
| 25 | |
| 26 | class Base { |
| 27 | constructor() { // 1. |
| 28 | var x = 1; // 2. |
| 29 | var y = 2; // 3. |
| 30 | done = true; // 4. |
| 31 | } |
| 32 | } |
| 33 | |
| 34 | class Derived extends Base {} |
| 35 | |
| 36 | |
| 37 | (function TestBreakPointInConstructor() { |
| 38 | done = false; |
| 39 | stepCount = 1; |
| 40 | var bp = Debug.setBreakPoint(Base, 0); |
| 41 | |
| 42 | new Base(); |
| 43 | assertEquals(1, stepCount); |
| 44 | |
| 45 | Debug.clearBreakPoint(bp); |
| 46 | })(); |
| 47 | |
| 48 | |
| 49 | (function TestDefaultConstructor() { |
| 50 | done = false; |
| 51 | stepCount = 1; |
| 52 | |
| 53 | var bp = Debug.setBreakPoint(Base, 0); |
| 54 | new Derived(); |
| 55 | assertEquals(1, stepCount); |
| 56 | |
| 57 | Debug.clearBreakPoint(bp); |
| 58 | })(); |
| 59 | |
| 60 | |
| 61 | (function TestStepInto() { |
| 62 | done = false; |
| 63 | stepCount = 0; |
| 64 | |
| 65 | function f() { |
| 66 | new Derived(); // 0. |
| 67 | } |
| 68 | |
| 69 | var bp = Debug.setBreakPoint(f, 0); |
| 70 | f(); |
| 71 | assertEquals(1, stepCount); |
| 72 | |
| 73 | Debug.clearBreakPoint(bp); |
| 74 | })(); |
| 75 | |
| 76 | |
| 77 | (function TestExtraIndirection() { |
| 78 | done = false; |
| 79 | stepCount = 0; |
| 80 | |
| 81 | class Derived2 extends Derived {} |
| 82 | |
| 83 | function f() { |
| 84 | new Derived2(); // 0. |
| 85 | } |
| 86 | |
| 87 | var bp = Debug.setBreakPoint(f, 0); |
| 88 | f(); |
| 89 | assertEquals(1, stepCount); |
| 90 | |
| 91 | Debug.clearBreakPoint(bp); |
| 92 | })(); |
| 93 | |
| 94 | |
| 95 | (function TestBoundClass() { |
| 96 | done = false; |
| 97 | stepCount = 0; |
| 98 | |
| 99 | var bound = Derived.bind(null); |
| 100 | |
| 101 | function f() { |
| 102 | new bound(); // 0. |
| 103 | } |
| 104 | |
| 105 | var bp = Debug.setBreakPoint(f, 0); |
| 106 | f(); |
| 107 | assertEquals(1, stepCount); |
| 108 | |
| 109 | Debug.clearBreakPoint(bp); |
| 110 | })(); |
| 111 | |
| 112 | |
| 113 | Debug.setListener(null); |