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deps/v8/test/debugger/debug/debug-evaluate-declaration.js
43 строки
1 KB
Michaël Zasso
deps: update V8 to 5.6.326.55
22 фев 2017, 17:55
22 фев 2017, 17:55
7a77daf
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// 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. // Test that debug-evaluate only resolves variables that are used by // the function inside which we debug-evaluate. This is to avoid // incorrect variable resolution when a context-allocated variable is // shadowed by a stack-allocated variable. "use strict"; var Debug = debug.Debug var exception = null; function listener(event, exec_state, event_data, data) { if (event != Debug.DebugEvent.Break) return; try { exec_state.frame(0).evaluate("var x = 2"); exec_state.frame(0).evaluate("'use strict'; let y = 3"); exec_state.frame(0).evaluate("var z = 4"); exec_state.frame(0).evaluate("function bar() { return 5; }"); } catch (e) { exception = e; print(e + e.stack); } } Debug.setListener(listener); var z = 1; (function() { debugger; })(); assertEquals(2, x); // declaration assertThrows(() => y, ReferenceError); // let-declaration does not stick assertEquals(4, z); // re-declaration assertEquals(5, bar()); // function declaration Debug.setListener(null); assertNull(exception);