1/*
2 * Copyright (C) 2014 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
17// Simple test for array accesses.
18
19public class Main extends TestCase {
20  public static void main(String[] args) {
21    $opt$testReads(new boolean[1], new byte[1], new char[1], new short[1],
22                   new int[1], new Object[1], new long[1], new float[1], new double[1], 0);
23    $opt$testWrites(new boolean[2], new byte[2], new char[2], new short[2],
24                    new int[2], new Object[2], new long[2], new float[2], new double[2], 1);
25    ensureThrows(new boolean[2], 2);
26    ensureThrows(new boolean[2], 4);
27    ensureThrows(new boolean[2], -1);
28    ensureThrows(new boolean[2], Integer.MIN_VALUE);
29    ensureThrows(new boolean[2], Integer.MAX_VALUE);
30  }
31
32  static void $opt$testReads(boolean[] bools, byte[] bytes, char[] chars, short[] shorts,
33                             int[] ints, Object[] objects, long[] longs, float[] floats,
34                             double[] doubles, int index) {
35    assertEquals(false, bools[0]);
36    assertEquals(false, bools[index]);
37
38    assertEquals(0, bytes[0]);
39    assertEquals(0, bytes[index]);
40
41    assertEquals(0, chars[0]);
42    assertEquals(0, chars[index]);
43
44    assertEquals(0, shorts[0]);
45    assertEquals(0, shorts[index]);
46
47    assertEquals(0, ints[0]);
48    assertEquals(0, ints[index]);
49
50    assertNull(objects[0]);
51    assertNull(objects[index]);
52
53    assertEquals(0, longs[0]);
54    assertEquals(0, longs[index]);
55
56    assertEquals(0, floats[0]);
57    assertEquals(0, floats[index]);
58
59    assertEquals(0, doubles[0]);
60    assertEquals(0, doubles[index]);
61  }
62
63  static void $opt$testWrites(boolean[] bools, byte[] bytes, char[] chars, short[] shorts,
64                              int[] ints, Object[] objects, long[] longs, float[] floats,
65                              double doubles[], int index) {
66    bools[0] = true;
67    assertEquals(true, bools[0]);
68    bools[index] = true;
69    assertEquals(true, bools[index]);
70
71    bytes[0] = -4;
72    assertEquals(-4, bytes[0]);
73    bytes[index] = -8;
74    assertEquals(-8, bytes[index]);
75
76    chars[0] = 'c';
77    assertEquals('c', chars[0]);
78    chars[index] = 'd';
79    assertEquals('d', chars[index]);
80
81    chars[0] = 65535;
82    assertEquals(65535, chars[0]);
83    // Do an update between the two max value updates, to avoid
84    // optimizing the second away.
85    chars[index] = 0;
86    assertEquals(0, chars[index]);
87    chars[index] = 65535;
88    assertEquals(65535, chars[index]);
89
90    shorts[0] = -42;
91    assertEquals(-42, shorts[0]);
92    shorts[index] = -84;
93    assertEquals(-84, shorts[index]);
94
95    ints[0] = -32;
96    assertEquals(-32, ints[0]);
97    ints[index] = -64;
98    assertEquals(-64, ints[index]);
99
100    Object o1 = new Object();
101    objects[0] = o1;
102    assertEquals(o1, objects[0]);
103    Object o2 = new Object();
104    objects[index] = o2;
105    assertEquals(o2, objects[index]);
106    // Longs are initially not supported in the linear scan register allocator
107    // on 32bits. So we call out a long helper to ensure this method gets
108    // optimized.
109    $opt$testLongWrites(longs, index);
110
111    float f = 1.0F;
112    floats[0] = f / (1 | 0);
113    assertEquals(f, floats[0]);
114    floats[index] = f / (1 | 0);
115    assertEquals(f, floats[index]);
116
117    double d = 1.0F;
118    doubles[0] = d / (1 | 0);
119    assertEquals(d, doubles[0]);
120    doubles[index] = d / (1 | 0);
121    assertEquals(d, doubles[index]);
122  }
123
124  public static void $opt$testLongWrites(long[] longs, int index) {
125    long l = -21876876876876876L;
126    longs[0] = l;
127    assertEquals(l, longs[0]);
128    l = -21876876876876877L;
129    longs[index] = l;
130    assertEquals(l, longs[index]);
131  }
132
133  public static void ensureThrows(boolean[] array, int index) {
134    ArrayIndexOutOfBoundsException exception = null;
135    try {
136      $opt$doArrayLoad(array, index);
137    } catch (ArrayIndexOutOfBoundsException e) {
138      exception = e;
139    }
140
141    assertNotNull(exception);
142    assertTrue(exception.toString().contains(Integer.toString(index)));
143
144    exception = null;
145    try {
146      $opt$doArrayStore(array, index);
147    } catch (ArrayIndexOutOfBoundsException e) {
148      exception = e;
149    }
150
151    assertNotNull(exception);
152    assertTrue(exception.toString().contains(Integer.toString(index)));
153  }
154
155  public static void $opt$doArrayLoad(boolean[] array, int index) {
156    boolean res = array[index];
157  }
158
159  public static void $opt$doArrayStore(boolean[] array, int index) {
160    array[index] = false;
161  }
162}
163