IDNTest.java revision 4557728efb66c455a52b7669a8eefef7a9e54854 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package libcore.java.net;
18
19import java.net.IDN;
20import junit.framework.TestCase;
21
22public class IDNTest extends TestCase {
23    private static String makePunyString(int xCount) {
24        StringBuilder s = new StringBuilder();
25        s.append("xn--bcher");
26        for (int i = 0; i < xCount; ++i) {
27            s.append('x');
28        }
29        s.append("-kva");
30        return s.toString();
31    }
32
33    public void test_toUnicode_failures() {
34        // This is short enough to work...
35        assertEquals("b\u00fccher", IDN.toUnicode(makePunyString(0)));
36        // This is too long, and the RI just returns the input string...
37        String longInput = makePunyString(512);
38        assertEquals(longInput, IDN.toUnicode(longInput));
39    }
40}
41