1 // Copyright 2013 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 // Flags: --allow-natives-syntax 29 30 var g1 = { a:1 } 31 32 function load() { 33 return g1.a; 34 } 35 36 assertEquals(1, load()); 37 assertEquals(1, load()); 38 %OptimizeFunctionOnNextCall(load); 39 assertEquals(1, load()); 40 delete g1.a; 41 assertEquals(undefined, load()); 42 43 var g2 = { a:2 } 44 45 function load2() { 46 return g2.a; 47 } 48 49 assertEquals(2, load2()); 50 assertEquals(2, load2()); 51 %OptimizeFunctionOnNextCall(load2); 52 assertEquals(2, load2()); 53 g2.b = 10; 54 g2.a = 5; 55 assertEquals(5, load2()); 56 57 var g3 = { a:2, b:9, c:1 } 58 59 function store(v) { 60 g3.a = v; 61 return g3.a; 62 } 63 64 assertEquals(5, store(5)); 65 assertEquals(8, store(8)); 66 %OptimizeFunctionOnNextCall(store); 67 assertEquals(10, store(10)); 68 delete g3.c; 69 store(7); 70 assertEquals({a:7, b:9}, g3); 71
