1c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com// Copyright 2011 the V8 project authors. All rights reserved. 24668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// Redistribution and use in source and binary forms, with or without 34668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// modification, are permitted provided that the following conditions are 44668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// met: 54668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// 64668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// * Redistributions of source code must retain the above copyright 74668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// notice, this list of conditions and the following disclaimer. 84668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// * Redistributions in binary form must reproduce the above 94668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// copyright notice, this list of conditions and the following 104668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// disclaimer in the documentation and/or other materials provided 114668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// with the distribution. 124668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// * Neither the name of Google Inc. nor the names of its 134668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// contributors may be used to endorse or promote products derived 144668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// from this software without specific prior written permission. 154668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// 164668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 174668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 184668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 194668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 204668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 214668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 224668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 234668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 244668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 254668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 264668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 274668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 28c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org// Flags: --expose-externalize-string --allow-natives-syntax 294668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 304668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar s = 'abcdefghijklmn'; 314668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr()); 324668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr(0)); 334668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr('0')); 344668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr(void 0)); 354668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr(null)); 364668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr(false)); 374668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr(0.9)); 384668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr({ valueOf: function() { return 0; } })); 394668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr({ toString: function() { return '0'; } })); 404668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 414668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar s1 = s.substring(1); 424668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s1, s.substr(1)); 434668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s1, s.substr('1')); 444668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s1, s.substr(true)); 454668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s1, s.substr(1.1)); 464668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s1, s.substr({ valueOf: function() { return 1; } })); 474668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s1, s.substr({ toString: function() { return '1'; } })); 484668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 494668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 504668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s.substring(s.length - 1), s.substr(-1)); 514668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s.substring(s.length - 1), s.substr(-1.2)); 524668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s.substring(s.length - 1), s.substr(-1.7)); 534668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s.substring(s.length - 2), s.substr(-2)); 544668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s.substring(s.length - 2), s.substr(-2.3)); 554668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s.substring(s.length - 2, s.length - 1), s.substr(-2, 1)); 564668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr(-100)); 574668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals('abc', s.substr(-100, 3)); 584668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s1, s.substr(-s.length + 1)); 594668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 601805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org// assertEquals('', s.substr(0, void 0)); // smjs and rhino 614668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals('abcdefghijklmn', s.substr(0, void 0)); // kjs and v8 624668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals('', s.substr(0, null)); 634668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(s, s.substr(0, String(s.length))); 644668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals('a', s.substr(0, true)); 654668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 664668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 674668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// Test substrings of different lengths and alignments. 684668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// First ASCII. 694668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar x = "ASCII"; 704668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgfor (var i = 0; i < 25; i++) { 714668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org x += (i >> 4).toString(16) + (i & 0x0f).toString(16); 724668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 734668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org/x/.exec(x); // Try to force a flatten. 744668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgfor (var i = 5; i < 25; i++) { 7580c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org for (var j = 0; j < 25; j++) { 764668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org var z = x.substring(i, i+j); 774668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org var w = Math.random() * 42; // Allocate something new in new-space. 784668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(j, z.length); 794668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org for (var k = 0; k < j; k++) { 804668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(x.charAt(i+k), z.charAt(k)); 814668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org } 824668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org } 834668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 844668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// Then two-byte strings. 854668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgx = "UC16\u2028"; // Non-ascii char forces two-byte string. 864668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgfor (var i = 0; i < 25; i++) { 874668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org x += (i >> 4).toString(16) + (i & 0x0f).toString(16); 884668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 894668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org/x/.exec(x); // Try to force a flatten. 904668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgfor (var i = 5; i < 25; i++) { 914668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org for (var j = 0; j < 25; j++) { 924668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org var z = x.substring(i, i + j); 934668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org var w = Math.random() * 42; // Allocate something new in new-space. 944668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(j, z.length); 954668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org for (var k = 0; k < j; k++) { 964668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(x.charAt(i+k), z.charAt(k)); 974668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org } 984668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org } 994668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 1004668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 1014668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// Keep creating strings to to force allocation failure on substring creation. 1024668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar x = "0123456789ABCDEF"; 103c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.orgfor (var i = 0; i < 8; i++) x += x; 1044668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar xl = x.length; 1054668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar cache = []; 10680c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.orgfor (var i = 0; i < 1000; i++) { 1074668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org var z = x.substring(i % xl); 1084668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(xl - (i % xl), z.length); 1094668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org cache.push(z); 1104668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 1114668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 1124668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 1134668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// Same with two-byte strings 1144668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar x = "\u2028123456789ABCDEF"; 115c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.orgfor (var i = 0; i < 8; i++) x += x; 1164668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar xl = x.length; 1174668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar cache = []; 11880c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.orgfor (var i = 0; i < 1000; i++) { 1194668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org var z = x.substring(i % xl); 1204668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(xl - (i % xl), z.length); 1214668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org cache.push(z); 1224668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 1234668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 1244668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// Substring of substring. 1254668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar cache = []; 1264668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar last = x; 1274668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar offset = 0; 1284668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgfor (var i = 0; i < 64; i++) { 1294668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org var z = last.substring(i); 1304668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org last = z; 1314668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org cache.push(z); 1324668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org offset += i; 1334668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 1344668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgfor (var i = 63; i >= 0; i--) { 1354668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org var z = cache.pop(); 1364668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertTrue(/\u2028123456789ABCDEF/.test(z)); 1374668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(xl - offset, z.length); 13880c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org assertEquals(x.charAt(i*(i+1)/2), z.charAt(0)); 1394668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org offset -= i; 1404668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 1414668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 1424668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// Test charAt for different strings. 1434668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgfunction f(s1, s2, s3, i) { 1444668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(String.fromCharCode(97+i%11), s1.charAt(i%11)); 1454668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(String.fromCharCode(97+i%11), s2.charAt(i%11)); 1464668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(String.fromCharCode(98+i%11), s3.charAt(i%11)); 1474668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org assertEquals(String.fromCharCode(101), s3.charAt(3)); 1484668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 1494668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 1504668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgflat = "abcdefghijkl12345"; 1514668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgcons = flat + flat.toUpperCase(); 1524668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgslice = "abcdefghijklmn12345".slice(1, -1); 1534668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgfor ( var i = 0; i < 1000; i++) { 1544668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org f(flat, cons, slice, i); 1554668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 1564668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgflat = "abcdefghijkl1\u20232345"; 1574668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgcons = flat + flat.toUpperCase(); 1584668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgslice = "abcdefghijklmn1\u20232345".slice(1, -1); 1594668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgfor ( var i = 0; i < 1000; i++) { 1604668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org f(flat, cons, slice, i); 1614668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org} 1624668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 16364e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.org// Short substrings. 16464e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgflat = "abcdefghijkl12345"; 16564e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgcons = flat + flat.toUpperCase(); 16664e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.org/x/.exec(cons); // Flatten cons 16764e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgslice = "abcdefghijklmn12345".slice(1, -1); 16864e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgassertEquals("cdefg", flat.substr(2, 5)); 16964e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgassertEquals("cdefg", cons.substr(2, 5)); 17064e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgassertEquals("cdefg", slice.substr(1, 5)); 17164e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.org 17264e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgflat = "abc\u1234defghijkl12345"; 17364e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgcons = flat + flat.toUpperCase(); 17464e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.org/x/.exec(cons); // Flatten cons 17564e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgslice = "abc\u1234defghijklmn12345".slice(1, -1); 17664e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgassertEquals("c\u1234def", flat.substr(2, 5)); 17764e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgassertEquals("c\u1234def", cons.substr(2, 5)); 17864e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgassertEquals("c\u1234def", slice.substr(1, 5)); 17964e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.org 1804668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// Concatenate substrings. 1814668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar ascii = 'abcdefghijklmnop'; 1824668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgvar utf = '\u03B1\u03B2\u03B3\u03B4\u03B5\u03B6\u03B7\u03B8\u03B9\u03BA\u03BB'; 1834668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals("klmno", ascii.substring(10,15) + ascii.substring(16)); 1844668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals("\u03B4\u03B7", utf.substring(3,4) + utf.substring(6,7)); 1854668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals("klp", ascii.substring(10,12) + ascii.substring(15,16)); 1864668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals("\u03B1\u03B4\u03B5", utf.substring(0,1) + utf.substring(5,3)); 1874668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals("", ascii.substring(16) + utf.substring(16)); 1884668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals("bcdef\u03B4\u03B5\u03B6\u03B7\u03B8\u03B9", 1894668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org ascii.substring(1,6) + utf.substring(3,9)); 1904668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals("\u03B4\u03B5\u03B6\u03B7\u03B8\u03B9abcdefghijklmnop", 1914668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org utf.substring(3,9) + ascii); 1924668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals("\u03B2\u03B3\u03B4\u03B5\u03B4\u03B5\u03B6\u03B7", 1934668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org utf.substring(5,1) + utf.substring(3,7)); 1944668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org 1954668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org// Externalizing strings. 196c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comvar a = "123456789" + "qwertyuiopasdfghjklzxcvbnm"; 197c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comvar b = "23456789qwertyuiopasdfghjklzxcvbn" 1984668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(a.slice(1,-1), b); 199c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 2002c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.orgassertTrue(isOneByteString(a)); 201c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comexternalizeString(a, true); 2022c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.orgassertFalse(isOneByteString(a)); 203c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 2044668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.orgassertEquals(a.slice(1,-1), b); 205c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comassertTrue(/3456789qwe/.test(a)); 206c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comassertEquals(5, a.indexOf("678")); 207c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comassertEquals("12345", a.split("6")[0]); 208c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org 209c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org// Create a slice with an external string as parent string. 210c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.orgvar c = a.slice(1,-1); 211c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org 212c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.orgfunction test_crankshaft() { 213c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org for (var i = 0; i < 20; i++) { 214c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org assertEquals(b.charAt(i), a.charAt(i + 1)); 215c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org assertEquals(b.charAt(i), c.charAt(i)); 216c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org assertEquals(b.charAt(4), c.charAt(4)); 217c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org assertTrue(/3456789qwe/.test(c)); 218c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org assertEquals(4, c.indexOf("678")); 219c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org assertEquals("2345", c.split("6")[0]); 220c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org } 221c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org} 222c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org 223c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.orgtest_crankshaft(); 224c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org%OptimizeFunctionOnNextCall(test_crankshaft); 225f9841897146bc10dbb3c45f0632bb79254602c75machenbach@chromium.orgtest_crankshaft(); 2264954674151afa960af66efb4831df06bde727333yangguo@chromium.org 2274954674151afa960af66efb4831df06bde727333yangguo@chromium.orgvar s1 = "12345678901234567890"; 2284954674151afa960af66efb4831df06bde727333yangguo@chromium.orgvar s2 = "abcdefghijklmnopqrstuvwxyz"; 2294954674151afa960af66efb4831df06bde727333yangguo@chromium.orgvar c1 = s1 + s2; 2304954674151afa960af66efb4831df06bde727333yangguo@chromium.orgvar c2 = s1 + c1 + s2; 2314954674151afa960af66efb4831df06bde727333yangguo@chromium.orgassertEquals("234567890123456789", c1.substring(1, 19)); 2324954674151afa960af66efb4831df06bde727333yangguo@chromium.orgassertEquals("bcdefghijklmno", c1.substring(21, 35)); 2334954674151afa960af66efb4831df06bde727333yangguo@chromium.orgassertEquals("2345678901234567890abcdefghijklmno", c1.substring(1, 35)); 2344954674151afa960af66efb4831df06bde727333yangguo@chromium.orgassertEquals("234567890123456789", c2.substring(1, 19)); 2354954674151afa960af66efb4831df06bde727333yangguo@chromium.orgassertEquals("bcdefghijklmno", c2.substring(41, 55)); 2364954674151afa960af66efb4831df06bde727333yangguo@chromium.orgassertEquals("2345678901234567890abcdefghijklmno", c2.substring(21, 55)); 237