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| 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 --harmony-classes |
| 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.StepInto); |
| 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() { |
| 28 var x = 1; // 1. |
| 29 var y = 2; // 2. |
| 30 done = true; // 3. |
| 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(4, 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(4, 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(4, 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(4, 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(4, stepCount); |
| 108 |
| 109 Debug.clearBreakPoint(bp); |
| 110 })(); |
| 111 |
| 112 |
| 113 Debug.setListener(null); |
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