| // Copyright 2016 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. |
| |
| |
| var Debug = debug.Debug; |
| var steps = 0; |
| var exception = null; |
| |
| function listener(event, execState, eventData, data) { |
| if (event != Debug.DebugEvent.Break) return; |
| try { |
| assertEquals([ debug.ScopeType.Local, |
| debug.ScopeType.Script, |
| debug.ScopeType.Global], |
| execState.frame().allScopes().map(s => s.scopeType())); |
| var x_value = execState.frame().evaluate("String(x)").value(); |
| if (steps < 2) { |
| assertEquals("undefined", x_value); |
| execState.prepareStep(Debug.StepAction.StepIn); |
| } else { |
| assertEquals("l => l", x_value); |
| } |
| steps++; |
| } catch (e) { |
| exception = e; |
| } |
| } |
| |
| Debug.setListener(listener); |
| |
| (function() { |
| debugger; |
| var x = l => l; |
| })(); |
| |
| Debug.setListener(null); |
| assertNull(exception); |
| assertEquals(3, steps); |