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. 29 var g = 0; 30 31 // Test compilation of a global variable store. 32 assertEquals(1, eval('g = 1')); 33 // Test that the store worked. 34 assertEquals(1, g); 35 36 // Test that patching the IC in the compiled code works. 37 assertEquals(1, eval('g = 1')); 38 assertEquals(1, g); 39 assertEquals(1, eval('g = 1')); 40 assertEquals(1, g); 41 42 // Test a second store. 43 assertEquals("2", eval('g = "2"')); 44 assertEquals("2", g); 45 46 // Test a load. 47 assertEquals("2", eval('g')); 48 49 // Test that patching the IC in the compiled code works. 50 assertEquals("2", eval('g')); 51 assertEquals("2", eval('g')); 52 53 // Test a second load. 54 g = 3; 55 assertEquals(3, eval('g')); 56 57 // Test postfix count operation 58 var t; 59 t = g++; 60 assertEquals(3, t); 61 assertEquals(4, g); 62 63 code = "g--; 1"; 64 assertEquals(1, eval(code)); 65 assertEquals(3, g); 66 67 // Test simple assignment to non-deletable and deletable globals. 68 var glo1 = 0; 69 function f1(x) { glo1 = x; } 70 f1(42); 71 assertEquals(glo1, 42); 72 73 glo2 = 0; 74 function f2(x) { glo2 = x; } 75 f2(42); 76 assertEquals(42, glo2); 77
