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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 | |
| 6 'use strict'; | |
| 7 | |
| 8 var Debug = debug.Debug | |
| 9 var done, stepCount; | |
| 10 var exception = null; | |
| 11 | |
| 12 function listener(event, execState, eventData, data) { | |
| 13 if (event != Debug.DebugEvent.Break) return; | |
| 14 try { | |
| 15 if (!done) { | |
| 16 execState.prepareStep(Debug.StepAction.StepIn); | |
| 17 var s = execState.frame().sourceLineText(); | |
| 18 assertTrue(s.indexOf('// ' + stepCount + '.') !== -1); | |
| 19 stepCount++; | |
| 20 } | |
| 21 } catch (e) { | |
| 22 exception = e; | |
| 23 } | |
| 24 }; | |
| 25 | |
| 26 Debug.setListener(listener); | |
| 27 | |
| 28 | |
| 29 class Base { | |
| 30 constructor() { | |
| 31 var x = 1; // 1. | |
| 32 var y = 2; // 2. | |
| 33 done = true; // 3. | |
| 34 } | |
| 35 } | |
| 36 | |
| 37 class Derived extends Base {} // 0. | |
| 38 | |
| 39 | |
| 40 (function TestBreakPointInConstructor() { | |
| 41 done = false; | |
| 42 stepCount = 1; | |
| 43 var bp = Debug.setBreakPoint(Base, 0); | |
| 44 | |
| 45 new Base(); | |
| 46 assertEquals(4, stepCount); | |
| 47 | |
| 48 Debug.clearBreakPoint(bp); | |
| 49 })(); | |
| 50 | |
| 51 | |
| 52 (function TestDefaultConstructor() { | |
| 53 done = false; | |
| 54 stepCount = 1; | |
| 55 | |
| 56 var bp = Debug.setBreakPoint(Base, 0); | |
| 57 new Derived(); | |
| 58 assertEquals(4, stepCount); | |
| 59 | |
| 60 Debug.clearBreakPoint(bp); | |
| 61 })(); | |
| 62 | |
| 63 | |
| 64 (function TestStepInto() { | |
| 65 done = false; | |
| 66 stepCount = -1; | |
| 67 | |
| 68 function f() { | |
| 69 new Derived(); // -1. | |
| 70 } | |
| 71 | |
| 72 var bp = Debug.setBreakPoint(f, 0); | |
| 73 f(); | |
| 74 assertEquals(4, stepCount); | |
| 75 | |
| 76 Debug.clearBreakPoint(bp); | |
| 77 })(); | |
| 78 | |
| 79 | |
| 80 (function TestExtraIndirection() { | |
| 81 done = false; | |
| 82 stepCount = -2; | |
| 83 | |
| 84 class Derived2 extends Derived {} // -1. | |
| 85 | |
| 86 function f() { | |
| 87 new Derived2(); // -2. | |
| 88 } | |
| 89 | |
| 90 var bp = Debug.setBreakPoint(f, 0); | |
| 91 f(); | |
| 92 assertEquals(4, stepCount); | |
| 93 | |
| 94 Debug.clearBreakPoint(bp); | |
| 95 })(); | |
| 96 | |
| 97 | |
| 98 (function TestBoundClass() { | |
| 99 done = false; | |
| 100 stepCount = -1; | |
| 101 | |
| 102 var bound = Derived.bind(null); | |
| 103 | |
| 104 function f() { | |
| 105 new bound(); // -1. | |
| 106 } | |
| 107 | |
| 108 var bp = Debug.setBreakPoint(f, 0); | |
| 109 f(); | |
| 110 assertEquals(4, stepCount); | |
| 111 | |
| 112 Debug.clearBreakPoint(bp); | |
| 113 })(); | |
| 114 | |
| 115 | |
| 116 Debug.setListener(null); | |
| 117 assertNull(exception); | |
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