1 // Copyright 2010 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: --expose-externalize-string --expose-gc 29 30 function test() { 31 assertEquals("0123", "aa0bb1cc2dd3".replace(/[a-z]/g, "")); 32 assertEquals("0123", "\u1234a0bb1cc2dd3".replace(/[\u1234a-z]/g, "")); 33 34 var expected = "0123"; 35 var cons = "a0b1c2d3"; 36 for (var i = 0; i < 5; i++) { 37 expected += expected; 38 cons += cons; 39 } 40 assertEquals(expected, cons.replace(/[a-z]/g, "")); 41 cons = "\u12340b1c2d3"; 42 for (var i = 0; i < 5; i++) { 43 cons += cons; 44 } 45 assertEquals(expected, cons.replace(/[\u1234a-z]/g, "")); 46 47 cons = "a0b1c2d3"; 48 for (var i = 0; i < 5; i++) { 49 cons += cons; 50 } 51 externalizeString(cons, true/* force two-byte */); 52 assertEquals(expected, cons.replace(/[a-z]/g, "")); 53 cons = "\u12340b1c2d3"; 54 for (var i = 0; i < 5; i++) { 55 cons += cons; 56 } 57 externalizeString(cons); 58 assertEquals(expected, cons.replace(/[\u1234a-z]/g, "")); 59 } 60 61 test(); 62 63 // Clear the regexp cache to allow the GC to work. 64 "foo".replace(/foo/g, ""); 65 66 // GC in order to free up things on the C side so we don't get 67 // a memory leak. This makes valgrind happy. 68 gc(); 69 gc(); 70
