1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * Basic String constructor tests.
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 var s = new String("javascript");
  32 print(s.length);
  33 
  34 // construct from char codes
  35 print("fromCharCode.length = " + String.fromCharCode.length);
  36 var x = String.fromCharCode(65, 66, 67, 68);
  37 print(x);
  38 
  39 // print(String.prototype.concat);
  40 print("concat.length = " + String.prototype.concat.length);
  41 print(s.concat(" is great!"));
  42 
  43 print("slice.length = " + String.prototype.slice.length);
  44 print("hello world".slice(-6));
  45 print("hello world".slice(7, 10));
  46 
  47 print("substring.length = " + String.prototype.substring.length);
  48 print(s.substring(0, 4));
  49 print(s.substring(4));
  50 print(s.substring(10, 4));
  51 
  52 print("toLowerCase.length = " + String.prototype.toLowerCase.length);
  53 print("JAVA".toLowerCase());
  54 print("JAVA".toLocaleLowerCase());
  55 print("toUpperCase.length = " + String.prototype.toUpperCase.length);
  56 print("javascript".toUpperCase());
  57 print("javascript".toLocaleUpperCase());
  58 
  59 print("localeCompare.length = " + String.prototype.localeCompare.length);
  60 print("java".localeCompare("JAVA"));
  61 print("java".localeCompare("java"));
  62 
  63 print("trim.length = " + String.prototype.trim.length);
  64 print(" java ".trim());
  65 print("java".trim());
  66 
  67 print("hello".indexOf("l"));
  68 print("hello".lastIndexOf("l"));
  69 
  70 // we can call java.lang.String methods on JS Strings.
  71 
  72 print("hello".endsWith("lo"));
  73 print("hello".startsWith("hell"));
  74 print("hello".startsWith("lo"));
  75 print("hello".endsWith("hell"));
  76 
  77 // we can access string's characters with array-like indexing..
  78 
  79 print("hello"[0]);
  80 print("hello"[2]);
  81 print("hello"[100]);  // undefined
  82 
  83 print('foo' === 'foo');
  84 print('foo' !== 'foo');
  85 print('' === '');
  86 print('' !== '');
  87