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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
6
7'use strict';
8
9var Debug = debug.Debug
10var done, stepCount;
11
12function 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
23Debug.setListener(listener);
24
25
26class Base {
27  constructor() { // 1.
28    var x = 1;    // 2.
29    var y = 2;    // 3.
30    done = true;  // 4.
31  }
32}
33
34class 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
113Debug.setListener(null);
114