| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --expose-debug-as debug |
| |
| 'use strict'; |
| |
| var Debug = debug.Debug |
| var done, stepCount; |
| |
| function listener(event, execState, eventData, data) { |
| if (event == Debug.DebugEvent.Break) { |
| if (!done) { |
| execState.prepareStep(Debug.StepAction.StepIn); |
| var s = execState.frame().sourceLineText(); |
| assertTrue(s.indexOf('// ' + stepCount + '.') !== -1); |
| stepCount++; |
| } |
| } |
| }; |
| |
| Debug.setListener(listener); |
| |
| |
| class Base { |
| constructor() { // 1. |
| var x = 1; // 2. |
| var y = 2; // 3. |
| done = true; // 4. |
| } |
| } |
| |
| class Derived extends Base {} |
| |
| |
| (function TestBreakPointInConstructor() { |
| done = false; |
| stepCount = 1; |
| var bp = Debug.setBreakPoint(Base, 0); |
| |
| new Base(); |
| assertEquals(1, stepCount); |
| |
| Debug.clearBreakPoint(bp); |
| })(); |
| |
| |
| (function TestDefaultConstructor() { |
| done = false; |
| stepCount = 1; |
| |
| var bp = Debug.setBreakPoint(Base, 0); |
| new Derived(); |
| assertEquals(1, stepCount); |
| |
| Debug.clearBreakPoint(bp); |
| })(); |
| |
| |
| (function TestStepInto() { |
| done = false; |
| stepCount = 0; |
| |
| function f() { |
| new Derived(); // 0. |
| } |
| |
| var bp = Debug.setBreakPoint(f, 0); |
| f(); |
| assertEquals(1, stepCount); |
| |
| Debug.clearBreakPoint(bp); |
| })(); |
| |
| |
| (function TestExtraIndirection() { |
| done = false; |
| stepCount = 0; |
| |
| class Derived2 extends Derived {} |
| |
| function f() { |
| new Derived2(); // 0. |
| } |
| |
| var bp = Debug.setBreakPoint(f, 0); |
| f(); |
| assertEquals(1, stepCount); |
| |
| Debug.clearBreakPoint(bp); |
| })(); |
| |
| |
| (function TestBoundClass() { |
| done = false; |
| stepCount = 0; |
| |
| var bound = Derived.bind(null); |
| |
| function f() { |
| new bound(); // 0. |
| } |
| |
| var bp = Debug.setBreakPoint(f, 0); |
| f(); |
| assertEquals(1, stepCount); |
| |
| Debug.clearBreakPoint(bp); |
| })(); |
| |
| |
| Debug.setListener(null); |