| // Copyright 2015 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 --legacy-const |
| |
| function f(x) { |
| // This function compiles into code that only throws a redeclaration |
| // error. It contains no stack check and has no function body. |
| const x = 0; |
| return x; |
| } |
| |
| function g() { |
| f(0); |
| } |
| |
| var exception = null; |
| var called = false; |
| var Debug = debug.Debug; |
| Debug.setBreakOnException(); |
| |
| function listener(event, exec_state, event_data, data) { |
| if (event != Debug.DebugEvent.Exception) return; |
| try { |
| called = true; |
| Debug.setBreakPoint(f, 1); |
| } catch (e) { |
| exception = e; |
| } |
| } |
| |
| Debug.setListener(listener); |
| |
| assertThrows(g); |
| assertNull(exception); |
| assertTrue(called); |