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Edit File: string-replace-with-empty.js
// Copyright 2010 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. // Flags: --expose-externalize-string --expose-gc function test() { assertEquals("0123", "aa0bb1cc2dd3".replace(/[a-z]/g, "")); assertEquals("0123", "\u1234a0bb1cc2dd3".replace(/[\u1234a-z]/g, "")); var expected = "0123"; var cons = "a0b1c2d3"; for (var i = 0; i < 5; i++) { expected += expected; cons += cons; } assertEquals(expected, cons.replace(/[a-z]/g, "")); cons = "\u12340b1c2d3"; for (var i = 0; i < 5; i++) { cons += cons; } assertEquals(expected, cons.replace(/[\u1234a-z]/g, "")); cons = "a0b1c2d3"; for (var i = 0; i < 5; i++) { cons += cons; } externalizeString(cons, true/* force two-byte */); assertEquals(expected, cons.replace(/[a-z]/g, "")); cons = "\u12340b1c2d3"; for (var i = 0; i < 5; i++) { cons += cons; } externalizeString(cons); assertEquals(expected, cons.replace(/[\u1234a-z]/g, "")); } test(); // Clear the regexp cache to allow the GC to work. "foo".replace(/foo/g, ""); // GC in order to free up things on the C side so we don't get // a memory leak. This makes valgrind happy. gc(); gc();