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.text;
18
19import java.text.Normalizer;
20
21public class NormalizerTest extends junit.framework.TestCase {
22    public void testNormalize() {
23        final String src = "\u03d3\u03D4\u1E9B";
24
25        // Should already be canonical composed
26        assertEquals(src, Normalizer.normalize(src, Normalizer.Form.NFC));
27
28        // Composed to canonical decomposed
29        assertEquals("\u03d2\u0301\u03d2\u0308\u017f\u0307",
30                Normalizer.normalize(src, Normalizer.Form.NFD));
31
32        // Composed to compatibility composed
33        assertEquals("\u038e\u03ab\u1e61", Normalizer.normalize(src, Normalizer.Form.NFKC));
34
35        // Composed to compatibility decomposed
36        assertEquals("\u03a5\u0301\u03a5\u0308\u0073\u0307",
37                Normalizer.normalize(src, Normalizer.Form.NFKD));
38
39        // Decomposed to canonical composed
40        assertEquals("\u00e9", Normalizer.normalize("\u0065\u0301", Normalizer.Form.NFC));
41
42        // Decomposed to compatibility composed
43        assertEquals("\u1e69", Normalizer.normalize("\u1e9b\u0323", Normalizer.Form.NFKC));
44
45        try {
46            Normalizer.normalize(null, Normalizer.Form.NFC);
47            fail("Did not throw error on null argument");
48        } catch (NullPointerException e) {
49            // pass
50        }
51    }
52
53    public void testIsNormalized() {
54        String target;
55
56        target = new String(new char[] {0x03D3, 0x03D4, 0x1E9B});
57        assertTrue(Normalizer.isNormalized(target, Normalizer.Form.NFC));
58        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFD));
59        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFKC));
60        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFKD));
61
62        target = new String(new char[] {0x03D2, 0x0301, 0x03D2, 0x0308, 0x017F, 0x0307});
63        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFC));
64        assertTrue(Normalizer.isNormalized(target, Normalizer.Form.NFD));
65        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFKC));
66        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFKD));
67
68        target = new String(new char[] {0x038E, 0x03AB, 0x1E61});
69        assertTrue(Normalizer.isNormalized(target, Normalizer.Form.NFC));
70        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFD));
71        assertTrue(Normalizer.isNormalized(target, Normalizer.Form.NFKC));
72        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFKD));
73
74        target = new String(new char[] {0x03A5, 0x0301, 0x03A5, 0x0308, 0x0073, 0x0307});
75        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFC));
76        assertTrue(Normalizer.isNormalized(target, Normalizer.Form.NFD));
77        assertFalse(Normalizer.isNormalized(target, Normalizer.Form.NFKC));
78        assertTrue(Normalizer.isNormalized(target, Normalizer.Form.NFKD));
79
80        try {
81            Normalizer.isNormalized(null, Normalizer.Form.NFC);
82            fail("Did not throw NullPointerException on null argument");
83        } catch (NullPointerException e) {
84            // pass
85        }
86    }
87}
88