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 19 public 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
