| // Copyright 2019 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: --no-always-opt --no-stress-opt |
| |
| Debug = debug.Debug |
| |
| var exception = null; |
| function listener(event, exec_state, event_data, data) { |
| if (event != Debug.DebugEvent.Break) return; |
| try { |
| // Evaluating the live function should succeed. |
| assertEquals(exec_state.frame(0).evaluate("live()").value(), 1); |
| // Evaluating the dead function should fail. |
| assertThrows(()=>exec_state.frame(0).evaluate("dead()"), ReferenceError); |
| } catch (e) { |
| exception = e; |
| print(e + e.stack); |
| } |
| } |
| |
| Debug.setListener(listener); |
| |
| (function() { |
| "use strict"; |
| function live() { return 1; } |
| function dead() { return 2; } |
| // Use 'foo' to make it non-dead. |
| live; |
| debugger; |
| })(); |
| |
| Debug.setListener(null); |
| assertNull(exception); |