/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Simple test for array accesses.
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public class Main extends TestCase {
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public static void main(String[] args) {
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$opt$testReads(new boolean[1], new byte[1], new char[1], new short[1],
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new int[1], new Object[1], new long[1], new float[1], new double[1], 0);
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$opt$testWrites(new boolean[2], new byte[2], new char[2], new short[2],
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new int[2], new Object[2], new long[2], new float[2], new double[2], 1);
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ensureThrows(new boolean[2], 2);
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ensureThrows(new boolean[2], 4);
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ensureThrows(new boolean[2], -1);
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ensureThrows(new boolean[2], Integer.MIN_VALUE);
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ensureThrows(new boolean[2], Integer.MAX_VALUE);
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}
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static void $opt$testReads(boolean[] bools, byte[] bytes, char[] chars, short[] shorts,
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int[] ints, Object[] objects, long[] longs, float[] floats,
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double[] doubles, int index) {
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assertEquals(false, bools[0]);
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assertEquals(false, bools[index]);
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assertEquals(0, bytes[0]);
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assertEquals(0, bytes[index]);
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assertEquals(0, chars[0]);
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assertEquals(0, chars[index]);
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assertEquals(0, shorts[0]);
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assertEquals(0, shorts[index]);
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assertEquals(0, ints[0]);
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assertEquals(0, ints[index]);
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assertNull(objects[0]);
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assertNull(objects[index]);
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assertEquals(0, longs[0]);
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assertEquals(0, longs[index]);
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assertEquals(0, floats[0]);
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assertEquals(0, floats[index]);
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assertEquals(0, doubles[0]);
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assertEquals(0, doubles[index]);
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}
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static void $opt$testWrites(boolean[] bools, byte[] bytes, char[] chars, short[] shorts,
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int[] ints, Object[] objects, long[] longs, float[] floats,
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double doubles[], int index) {
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bools[0] = true;
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assertEquals(true, bools[0]);
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bools[index] = true;
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assertEquals(true, bools[index]);
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bytes[0] = -4;
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assertEquals(-4, bytes[0]);
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bytes[index] = -8;
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assertEquals(-8, bytes[index]);
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chars[0] = 'c';
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assertEquals('c', chars[0]);
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chars[index] = 'd';
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assertEquals('d', chars[index]);
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chars[0] = 65535;
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assertEquals(65535, chars[0]);
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// Do an update between the two max value updates, to avoid
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// optimizing the second away.
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chars[index] = 0;
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assertEquals(0, chars[index]);
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chars[index] = 65535;
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assertEquals(65535, chars[index]);
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shorts[0] = -42;
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assertEquals(-42, shorts[0]);
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shorts[index] = -84;
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assertEquals(-84, shorts[index]);
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ints[0] = -32;
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assertEquals(-32, ints[0]);
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ints[index] = -64;
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assertEquals(-64, ints[index]);
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Object o1 = new Object();
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objects[0] = o1;
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assertEquals(o1, objects[0]);
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Object o2 = new Object();
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objects[index] = o2;
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assertEquals(o2, objects[index]);
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// Longs are initially not supported in the linear scan register allocator
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// on 32bits. So we call out a long helper to ensure this method gets
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// optimized.
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$opt$testLongWrites(longs, index);
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float f = 1.0F;
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floats[0] = f / (1 | 0);
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assertEquals(f, floats[0]);
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floats[index] = f / (1 | 0);
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assertEquals(f, floats[index]);
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double d = 1.0F;
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doubles[0] = d / (1 | 0);
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assertEquals(d, doubles[0]);
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doubles[index] = d / (1 | 0);
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assertEquals(d, doubles[index]);
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}
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public static void $opt$testLongWrites(long[] longs, int index) {
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long l = -21876876876876876L;
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longs[0] = l;
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assertEquals(l, longs[0]);
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l = -21876876876876877L;
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longs[index] = l;
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assertEquals(l, longs[index]);
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}
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public static void ensureThrows(boolean[] array, int index) {
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ArrayIndexOutOfBoundsException exception = null;
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try {
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$opt$doArrayLoad(array, index);
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} catch (ArrayIndexOutOfBoundsException e) {
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exception = e;
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}
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assertNotNull(exception);
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assertTrue(exception.toString().contains(Integer.toString(index)));
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exception = null;
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try {
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$opt$doArrayStore(array, index);
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} catch (ArrayIndexOutOfBoundsException e) {
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exception = e;
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}
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assertNotNull(exception);
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assertTrue(exception.toString().contains(Integer.toString(index)));
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}
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public static void $opt$doArrayLoad(boolean[] array, int index) {
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boolean res = array[index];
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}
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public static void $opt$doArrayStore(boolean[] array, int index) {
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array[index] = false;
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}
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}
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