1 /*

     2  * Copyright (c) 2010, 2012, 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