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069e02ab47
Pick up the current branch head for V8 4.9 https://github.com/v8/v8/commit/1ecba0f PR-URL: https://github.com/nodejs/node/pull/4722 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Michaël Zasso <mic.besace@gmail.com>
26 lines
845 B
JavaScript
26 lines
845 B
JavaScript
// Copyright 2015 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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// Test access of the new.target value in functions that also allocate local
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// function contexts of varying sizes, making sure the value is not clobbered.
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function makeFun(n) {
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var source = "(function f" + n + "() { ";
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for (var i = 0; i < n; ++i) source += "var v" + i + "; ";
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source += "(function() { 0 ";
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for (var i = 0; i < n; ++i) source += "+ v" + i + " ";
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source += "})(); return { value: new.target }; })";
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return eval(source);
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}
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// Exercise fast case.
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var a = makeFun(4);
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assertEquals(a, new a().value);
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assertEquals(undefined, a().value);
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// Exercise slow case.
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var b = makeFun(128);
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assertEquals(b, new b().value);
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assertEquals(undefined, b().value);
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