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Edit File: globals.js
// Copyright 2009 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. // Test references and assignments to global variables. var g = 0; // Test compilation of a global variable store. assertEquals(1, eval('g = 1')); // Test that the store worked. assertEquals(1, g); // Test that patching the IC in the compiled code works. assertEquals(1, eval('g = 1')); assertEquals(1, g); assertEquals(1, eval('g = 1')); assertEquals(1, g); // Test a second store. assertEquals("2", eval('g = "2"')); assertEquals("2", g); // Test a load. assertEquals("2", eval('g')); // Test that patching the IC in the compiled code works. assertEquals("2", eval('g')); assertEquals("2", eval('g')); // Test a second load. g = 3; assertEquals(3, eval('g')); // Test postfix count operation var t; t = g++; assertEquals(3, t); assertEquals(4, g); code = "g--; 1"; assertEquals(1, eval(code)); assertEquals(3, g); // Test simple assignment to non-deletable and deletable globals. var glo1 = 0; function f1(x) { glo1 = x; } f1(42); assertEquals(glo1, 42); glo2 = 0; function f2(x) { glo2 = x; } f2(42); assertEquals(42, glo2);