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Edit File: function.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. var f = Function(); assertTrue(typeof f() == 'undefined'); f = new Function(); assertTrue(typeof f() == 'undefined'); f = Function('return 1'); assertEquals(1, f()); f = new Function('return 1'); assertEquals(1, f()); f = Function('return true'); assertTrue(f()); f = new Function('return true'); assertTrue(f()); f = Function('x', 'return x'); assertEquals(1, f(1)); assertEquals('bar', f('bar')); assertTrue(typeof f() == 'undefined'); var x = {}; assertTrue(x === f(x)); f = Function('x', 'return x // comment'); assertEquals(1, f(1)); f = Function('return typeof anonymous'); assertEquals('undefined', f()); var anonymous = 42; f = Function('return anonymous;'); assertEquals(42, f()); f = new Function('x', 'return x') assertEquals(1, f(1)); assertEquals('bar', f('bar')); assertTrue(typeof f() == 'undefined'); var x = {}; assertTrue(x === f(x)); f = Function('x', 'y', 'return x+y'); assertEquals(5, f(2, 3)); assertEquals('foobar', f('foo', 'bar')); f = new Function('x', 'y', 'return x+y'); assertEquals(5, f(2, 3)); assertEquals('foobar', f('foo', 'bar')); var x = {}; x.toString = function() { return 'x'; }; var y = {}; y.toString = function() { return 'y'; }; var z = {}; z.toString = function() { return 'return x*y'; } var f = Function(x, y, z); assertEquals(25, f(5, 5)); assertEquals(42, f(2, 21)); f = new Function(x, y, z); assertEquals(25, f(5, 5)); assertEquals(42, f(2, 21));