1 // Copyright 2008 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
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.
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.
28 // Flags: --random-seed=17 --allow-natives-syntax
29 // Flags: --expose-externalize-string
31 assertEquals("ΚΟΣΜΟΣ ΚΟΣΜΟΣ".toLowerCase(), "κοσμος κοσμος");
33 var A_CODE = "A".charCodeAt(0);
34 var Z_CODE = "Z".charCodeAt(0);
35 var a_CODE = "a".charCodeAt(0);
36 var z_CODE = "z".charCodeAt(0);
38 function charCodeToLower(charCode) {
39 if (A_CODE <= charCode && charCode <= Z_CODE) {
40 return charCode + a_CODE - A_CODE;
45 function charCodeToUpper(charCode) {
46 if (a_CODE <= charCode && charCode <= z_CODE) {
47 return charCode - (a_CODE - A_CODE);
52 function test(length) {
56 for (var i = 0; i < length; i++) {
57 var c = Math.round(0x7f * Math.random());
58 str += String.fromCharCode(c);
59 strLower += String.fromCharCode(charCodeToLower(c));
60 strUpper += String.fromCharCode(charCodeToUpper(c));
62 %FlattenString(strLower);
63 %FlattenString(strUpper);
65 assertEquals(strLower, str.toLowerCase());
66 assertEquals(strUpper, str.toUpperCase());
68 assertEquals(strLower + strLower, (str + str).toLowerCase());
69 assertEquals(strUpper + strUpper, (str + str).toUpperCase());
71 assertEquals(strLower.substring(1), str.substring(1).toLowerCase());
72 assertEquals(strUpper.substring(1), str.substring(1).toUpperCase());
74 externalizeString(str, false);
75 assertEquals(strLower, str.toLowerCase());
76 assertEquals(strUpper, str.toUpperCase());
79 for (var i = 1; i <= 128; i <<= 1); {
80 for (var j = 0; j < 8; j++) {
81 for (var k = 0; k < 3; k++) {