1/*
2 * Copyright (C) 2008 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.lang.reflect;
18
19import java.lang.reflect.Array;
20import junit.framework.TestCase;
21
22/**
23 * Test java.lang.reflect.Array methods.
24 */
25public class OldAndroidArrayTest extends TestCase {
26
27    public void testSingleInt() throws Exception {
28        Object intArray = Array.newInstance(Integer.TYPE, 2);
29
30        int[] array = (int[]) intArray;
31        array[0] = 5;
32        Array.setInt(intArray, 1, 6);
33
34        assertEquals(5, Array.getInt(intArray, 0));
35        assertEquals(6, array[1]);
36
37        try {
38            array[2] = 27;
39            fail("store should have failed");
40        } catch (ArrayIndexOutOfBoundsException abe) {
41            // expected
42        }
43
44        assertEquals(2, array.length);
45        assertEquals(Array.getLength(intArray), array.length);
46
47        try {
48            int[][] wrongArray = (int[][]) intArray;
49            fail("cast should have failed");
50        } catch (ClassCastException cce) {
51            // expected
52        }
53
54        intArray = Array.newInstance(Integer.TYPE, 0);
55        assertEquals(0, Array.getLength(intArray));
56    }
57
58    public void testSingle() throws Exception {
59        Object strArray = Array.newInstance(String.class, 2);
60
61        String[] array = (String[]) strArray;
62        array[0] = "entry zero";
63        Array.set(strArray, 1, "entry one");
64
65        //System.out.println("array: " + array);
66
67        assertEquals("entry zero", Array.get(strArray, 0));
68        assertEquals("entry one", array[1]);
69
70        assertEquals(2, array.length);
71        assertEquals(Array.getLength(strArray), array.length);
72    }
73
74    public void testMultiInt() throws Exception {
75        int[] dimensions = {3, 2, 1};
76        Object intIntIntArray = Array.newInstance(Integer.TYPE, dimensions);
77        int[][][] array3 = (int[][][]) intIntIntArray;
78
79        array3[0][0][0] = 123;
80        array3[2][1][0] = 456;
81
82        try {
83            array3[2][1][1] = 768;
84            fail("store should have failed");
85        } catch (ArrayIndexOutOfBoundsException abe) {
86            // expected
87        }
88
89        //System.out.println("array3: " + array3);
90    }
91
92    public void testMulti() throws Exception {
93        int[] dimensions = {1, 2, 3};
94        Object strStrStrArray = Array.newInstance(String.class, dimensions);
95        String[][][] array3 = (String[][][]) strStrStrArray;
96
97        array3[0][0][0] = "zero zero zero";
98        array3[0][1][2] = "zero one two";
99
100        try {
101            array3[1][0][0] = "bad store";
102            fail("store should have failed");
103        } catch (ArrayIndexOutOfBoundsException abe) {
104            // expected
105        }
106
107        try {
108            String[][] array2 = (String[][]) strStrStrArray;
109            fail("expecting bad cast");
110        } catch (ClassCastException cce) {
111            // expected
112        }
113        //System.out.println("array3: " + array3);
114
115
116        int[] dimensions2 = {1, 2};
117        strStrStrArray = Array.newInstance(String[].class, dimensions2);
118        array3 = (String[][][]) strStrStrArray;
119        array3[0][1] = new String[3];
120        array3[0][1][2] = "zero one two";
121        try {
122            array3[1][0][0] = "bad store";
123            fail("store should have failed");
124        } catch (ArrayIndexOutOfBoundsException abe) {
125            // expected
126        }
127        //System.out.println("array3: " + array3);
128    }
129}
130
131