1// Copyright 2009 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Test references and assignments to global variables. 29var g = 0; 30 31// Test compilation of a global variable store. 32assertEquals(1, eval('g = 1')); 33// Test that the store worked. 34assertEquals(1, g); 35 36// Test that patching the IC in the compiled code works. 37assertEquals(1, eval('g = 1')); 38assertEquals(1, g); 39assertEquals(1, eval('g = 1')); 40assertEquals(1, g); 41 42// Test a second store. 43assertEquals("2", eval('g = "2"')); 44assertEquals("2", g); 45 46// Test a load. 47assertEquals("2", eval('g')); 48 49// Test that patching the IC in the compiled code works. 50assertEquals("2", eval('g')); 51assertEquals("2", eval('g')); 52 53// Test a second load. 54g = 3; 55assertEquals(3, eval('g')); 56 57// Test postfix count operation 58var t; 59t = g++; 60assertEquals(3, t); 61assertEquals(4, g); 62 63code = "g--; 1"; 64assertEquals(1, eval(code)); 65assertEquals(3, g); 66 67// Test simple assignment to non-deletable and deletable globals. 68var glo1 = 0; 69function f1(x) { glo1 = x; } 70f1(42); 71assertEquals(glo1, 42); 72 73glo2 = 0; 74function f2(x) { glo2 = x; } 75f2(42); 76assertEquals(42, glo2); 77