1 /*
2  * Copyright (c) 2015, 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 import java.util.stream.IntStream;
25 
26 import org.testng.annotations.DataProvider;
27 import org.testng.annotations.Test;
28 
29 import static org.testng.Assert.assertEquals;
30 
31 /*
32  * @test
33  * @bug 8077559
34  * @summary Tests Compact String. This one is for String.charAt.
35  * @run testng/othervm -XX:+CompactStrings CharAt
36  * @run testng/othervm -XX:-CompactStrings CharAt
37  */
38 
39 public class CharAt extends CompactString {
40 
41     @DataProvider
provider()42     public Object[][] provider() {
43         return new Object[][] {
44                 new Object[] { STRING_L1, new char[] { 'A' } },
45                 new Object[] { STRING_L2, new char[] { 'A', 'B' } },
46                 new Object[] { STRING_L4, new char[] { 'A', 'B', 'C', 'D' } },
47                 new Object[] { STRING_LLONG,
48                         new char[] { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H' } },
49                 new Object[] { STRING_U1, new char[] { '\uFF21' } },
50                 new Object[] { STRING_U2, new char[] { '\uFF21', '\uFF22' } },
51                 new Object[] { STRING_M12, new char[] { '\uFF21', 'A' } },
52                 new Object[] { STRING_M11, new char[] { 'A', '\uFF21' } }, };
53     }
54 
55     @Test(dataProvider = "provider")
testCharAt(String str, char[] expected)56     public void testCharAt(String str, char[] expected) {
57         map.get(str)
58                 .forEach(
59                         (source, data) -> {
60                             IntStream
61                                     .range(0, str.length())
62                                     .forEach(
63                                             i -> assertEquals(
64                                                     str.charAt(i),
65                                                     expected[i],
66                                                     String.format(
67                                                             "testing String(%s).charAt(%d), source : %s, ",
68                                                             escapeNonASCIIs(data),
69                                                             i, source)));
70                         });
71     }
72 }
73