4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jdk.test.lib; 25 26 import java.util.LinkedList; 27 import java.util.concurrent.Callable; 28 29 /** 30 * Helper class which allocates memory. 31 * 32 * Typical usage: 33 * <pre> 34 * {@code 35 * AllocationHelper allocator = new AllocationHelper(MAX_ITERATIONS, ARRAY_LENGTH, CHUNK_SIZE, 36 * () -> (verifier())); 37 * // Allocate byte[CHUNK_SIZE] ARRAY_LENGTH times. Total allocated bytes will be CHUNK_SIZE * ARRAY_LENGTH + refs length. 38 * // Then invoke verifier and iterate MAX_ITERATIONS times. 39 * allocator.allocateMemoryAndVerify(); 40 * } 41 * </pre> 42 */ 43 public final class AllocationHelper { 44 45 private final int arrayLength; | 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.util.LinkedList; 25 import java.util.concurrent.Callable; 26 27 /** 28 * Helper class which allocates memory. 29 * 30 * Typical usage: 31 * <pre> 32 * {@code 33 * AllocationHelper allocator = new AllocationHelper(MAX_ITERATIONS, ARRAY_LENGTH, CHUNK_SIZE, 34 * () -> (verifier())); 35 * // Allocate byte[CHUNK_SIZE] ARRAY_LENGTH times. Total allocated bytes will be CHUNK_SIZE * ARRAY_LENGTH + refs length. 36 * // Then invoke verifier and iterate MAX_ITERATIONS times. 37 * allocator.allocateMemoryAndVerify(); 38 * } 39 * </pre> 40 */ 41 public final class AllocationHelper { 42 43 private final int arrayLength; |