28 lines
848 B
JavaScript
28 lines
848 B
JavaScript
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// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Assignment to const variable inside with-statement should fail.
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const x = 0;
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assertThrows(() => { with ({}) { x = 1; } }, TypeError);
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assertEquals(0, x);
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assertThrows(() => { with ({}) { eval("x = 1"); } }, TypeError);
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assertEquals(0, x);
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// Assignment to name of named function expression inside with-statement
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// should not throw (but also not succeed).
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assertEquals('function', function f() {
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with ({}) { f = 1 }
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return typeof f;
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}());
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// But we should throw an exception if the assignment is itself in strict
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// code.
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assertEquals('function', function f() {
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with ({}) {
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assertThrows(function() { "use strict"; f = 1 }, TypeError);
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}
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return typeof f;
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}());
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