--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/arraycopy/TestArrayCopyUtils.java Tue May 12 10:27:50 2015 +0200
@@ -0,0 +1,223 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.lang.annotation.*;
+import java.lang.reflect.*;
+import java.util.*;
+
+abstract class TestArrayCopyUtils {
+ public enum ArraySrc {
+ SMALL,
+ LARGE,
+ ZERO
+ }
+
+ public enum ArrayDst {
+ NONE,
+ NEW,
+ SRC
+ }
+
+ static class A {
+ }
+
+ static class B extends A {
+ }
+
+ static final A[] small_a_src = new A[5];
+ static final A[] large_a_src = new A[10];
+ static final A[] zero_a_src = new A[0];
+ static final int[] small_int_src = new int[5];
+ static final int[] large_int_src = new int[10];
+ static final int[] zero_int_src = new int[0];
+ static final Object[] small_object_src = new Object[5];
+ static Object src;
+
+ @Retention(RetentionPolicy.RUNTIME)
+ @interface Args {
+ ArraySrc src();
+ ArrayDst dst() default ArrayDst.NONE;
+ int[] extra_args() default {};
+ }
+
+ final HashMap<String,Method> tests = new HashMap<>();
+ {
+ for (Method m : this.getClass().getDeclaredMethods()) {
+ if (m.getName().matches("m[0-9]+(_check)?")) {
+ assert(Modifier.isStatic(m.getModifiers())) : m;
+ tests.put(m.getName(), m);
+ }
+ }
+ }
+
+ boolean success = true;
+
+ void doTest(String name) throws Exception {
+ Method m = tests.get(name);
+ Method m_check = tests.get(name + "_check");
+ Class[] paramTypes = m.getParameterTypes();
+ Object[] params = new Object[paramTypes.length];
+ Class retType = m.getReturnType();
+ boolean isIntArray = (retType.isPrimitive() && !retType.equals(Void.TYPE)) ||
+ (retType.equals(Void.TYPE) && paramTypes[0].getComponentType().isPrimitive()) ||
+ (retType.isArray() && retType.getComponentType().isPrimitive());
+
+ Args args = m.getAnnotation(Args.class);
+
+ Object src = null;
+ switch(args.src()) {
+ case SMALL: {
+ if (isIntArray) {
+ src = small_int_src;
+ } else {
+ src = small_a_src;
+ }
+ break;
+ }
+ case LARGE: {
+ if (isIntArray) {
+ src = large_int_src;
+ } else {
+ src = large_a_src;
+ }
+ break;
+ }
+ case ZERO: {
+ if (isIntArray) {
+ src = zero_int_src;
+ } else {
+ src = zero_a_src;
+ }
+ break;
+ }
+ }
+
+ for (int i = 0; i < 20000; i++) {
+ boolean failure = false;
+
+ int p = 0;
+
+ if (params.length > 0) {
+ if (isIntArray) {
+ params[0] = ((int[])src).clone();
+ } else {
+ params[0] = ((A[])src).clone();
+ }
+ p++;
+ }
+
+ if (params.length > 1) {
+ switch(args.dst()) {
+ case NEW: {
+ if (isIntArray) {
+ params[1] = new int[((int[])params[0]).length];
+ } else {
+ params[1] = new A[((A[])params[0]).length];
+ }
+ p++;
+ break;
+ }
+ case SRC: {
+ params[1] = params[0];
+ p++;
+ break;
+ }
+ case NONE: break;
+ }
+ }
+
+ for (int j = 0; j < args.extra_args().length; j++) {
+ params[p+j] = args.extra_args()[j];
+ }
+
+ Object res = m.invoke(null, params);
+
+ if (retType.isPrimitive() && !retType.equals(Void.TYPE)) {
+ int s = (int)res;
+ int sum = 0;
+ int[] int_res = (int[])src;
+ for (int j = 0; j < int_res.length; j++) {
+ sum += int_res[j];
+ }
+ failure = (s != sum);
+ if (failure) {
+ System.out.println("Test " + name + " failed: result = " + s + " != " + sum);
+ }
+ } else {
+ Object dest = null;
+ if (!retType.equals(Void.TYPE)) {
+ dest = res;
+ } else {
+ dest = params[1];
+ }
+
+ if (m_check != null) {
+ failure = (boolean)m_check.invoke(null, new Object[] { src, dest });
+ } else {
+ if (isIntArray) {
+ int[] int_res = (int[])src;
+ int[] int_dest = (int[])dest;
+ for (int j = 0; j < int_res.length; j++) {
+ if (int_res[j] != int_dest[j]) {
+ System.out.println("Test " + name + " failed for " + j + " src[" + j +"]=" + int_res[j] + ", dest[" + j + "]=" + int_dest[j]);
+ failure = true;
+ }
+ }
+ } else {
+ Object[] object_res = (Object[])src;
+ Object[] object_dest = (Object[])dest;
+ for (int j = 0; j < object_res.length; j++) {
+ if (object_res[j] != object_dest[j]) {
+ System.out.println("Test " + name + " failed for " + j + " src[" + j +"]=" + object_res[j] + ", dest[" + j + "]=" + object_dest[j]);
+ failure = true;
+ }
+ }
+ }
+ }
+ }
+
+ if (failure) {
+ success = false;
+ break;
+ }
+ }
+ }
+
+ TestArrayCopyUtils() {
+ for (int i = 0; i < small_a_src.length; i++) {
+ small_a_src[i] = new A();
+ }
+
+ for (int i = 0; i < small_int_src.length; i++) {
+ small_int_src[i] = i;
+ }
+
+ for (int i = 0; i < large_int_src.length; i++) {
+ large_int_src[i] = i;
+ }
+
+ for (int i = 0; i < 5; i++) {
+ small_object_src[i] = new Object();
+ }
+ }
+}