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Posted to commits@datasketches.apache.org by dc...@apache.org on 2021/08/19 22:18:24 UTC
svn commit: r49567 [5/14] - in /dev/datasketches/memory/2.0.0-RC1: ./
apache-datasketches-memory-2.0.0-src/
apache-datasketches-memory-2.0.0-src/datasketches-memory-java11/
apache-datasketches-memory-2.0.0-src/datasketches-memory-java11/src/
apache-dat...
Added: dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/NonNativeWritableBufferImplTest.java
==============================================================================
--- dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/NonNativeWritableBufferImplTest.java (added)
+++ dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/NonNativeWritableBufferImplTest.java Thu Aug 19 22:18:24 2021
@@ -0,0 +1,261 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.datasketches.memory.test;
+
+import static org.testng.Assert.assertEquals;
+
+import java.nio.ByteOrder;
+
+import org.apache.datasketches.memory.Buffer;
+import org.apache.datasketches.memory.WritableBuffer;
+import org.apache.datasketches.memory.WritableMemory;
+import org.testng.annotations.Test;
+
+/**
+ * @author Lee Rhodes
+ */
+@SuppressWarnings("javadoc")
+public class NonNativeWritableBufferImplTest {
+
+//Check primitives
+ @Test
+ public void checkCharacters() {
+ int n = 8;
+ int m = Character.BYTES;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf = wmem.asWritableBuffer();
+ char ch = 'a';
+ for (int i = 0; i < n; i++) { wbuf.putChar(i * m, ch++); }
+ ch = 'a';
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getChar(i * m), ch++);
+ }
+ ch = 'a';
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) { wbuf.putChar(ch++); }
+ ch = 'a';
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getChar(), ch++);
+ }
+ //getArr & putArr
+ char[] cArr = new char[n]; //native
+ wbuf.setPosition(0);
+ wbuf.getCharArray(cArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf2 = wmem2.asWritableBuffer();
+ wbuf2.putCharArray(cArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkDoubles() {
+ int n = 8;
+ int m = Double.BYTES;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf = wmem.asWritableBuffer();
+ double dbl = 1.0;
+ for (int i = 0; i < n; i++) { wbuf.putDouble(i * m, dbl++); }
+ dbl = 1.0;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getDouble(i * m), dbl++);
+ }
+ dbl = 1.0;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) { wbuf.putDouble(dbl++); }
+ dbl = 1.0;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getDouble(), dbl++);
+ }
+ //getArr & putArr
+ double[] dblArr = new double[n]; //native
+ wbuf.setPosition(0);
+ wbuf.getDoubleArray(dblArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf2 = wmem2.asWritableBuffer();
+ wbuf2.putDoubleArray(dblArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkFloats() {
+ int n = 8;
+ int m = Float.BYTES;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf = wmem.asWritableBuffer();
+ float flt = 1.0F;
+ for (int i = 0; i < n; i++) { wbuf.putFloat(i * m, flt++); }
+ flt = 1.0F;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getFloat(i * m), flt++);
+ }
+ flt = 1.0F;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) { wbuf.putFloat(flt++); }
+ flt = 1.0F;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getFloat(), flt++);
+ }
+ //getArr & putArr
+ float[] fltArr = new float[n]; //native
+ wbuf.setPosition(0);
+ wbuf.getFloatArray(fltArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf2 = wmem2.asWritableBuffer();
+ wbuf2.putFloatArray(fltArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkInts() {
+ int n = 8;
+ int m = Integer.BYTES;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf = wmem.asWritableBuffer();
+ int intg = 1;
+ for (int i = 0; i < n; i++) { wbuf.putInt(i * m, intg++); }
+ intg = 1;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getInt(i * m), intg++);
+ }
+ intg = 1;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) { wbuf.putInt(intg++); }
+ intg = 1;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getInt(), intg++);
+ }
+ //getArr & putArr
+ int[] intArr = new int[n]; //native
+ wbuf.setPosition(0);
+ wbuf.getIntArray(intArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf2 = wmem2.asWritableBuffer();
+ wbuf2.putIntArray(intArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkLongs() {
+ int n = 8;
+ int m = Long.BYTES;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf = wmem.asWritableBuffer();
+ long lng = 1;
+ for (int i = 0; i < n; i++) { wbuf.putLong(i * m, lng++); }
+ lng = 1;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getLong(i * m), lng++);
+ }
+ lng = 1;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) { wbuf.putLong(lng++); }
+ lng = 1;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getLong(), lng++);
+ }
+ //getArr & putArr
+ long[] longArr = new long[n]; //native
+ wbuf.setPosition(0);
+ wbuf.getLongArray(longArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf2 = wmem2.asWritableBuffer();
+ wbuf2.putLongArray(longArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkShorts() {
+ int n = 8;
+ int m = Short.BYTES;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf = wmem.asWritableBuffer();
+ short sht = 1;
+ for (int i = 0; i < n; i++) { wbuf.putShort(i * m, sht++); }
+ sht = 1;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getShort(i * m), sht++);
+ }
+ sht = 1;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) { wbuf.putShort(sht++); }
+ sht = 1;
+ wbuf.setPosition(0);
+ for (int i = 0; i < n; i++) {
+ assertEquals(wbuf.getShort(), sht++);
+ }
+ //getArr & putArr
+ short[] shortArr = new short[n]; //native
+ wbuf.setPosition(0);
+ wbuf.getShortArray(shortArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf2 = wmem2.asWritableBuffer();
+ wbuf2.putShortArray(shortArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ //check Duplicate, Region
+ @Test
+ public void checkDuplicate() {
+ byte[] bArr = new byte[8];
+ WritableMemory wmem = WritableMemory.writableWrap(bArr, ByteOrder.BIG_ENDIAN);
+ WritableBuffer wbuf = wmem.asWritableBuffer();
+ WritableBuffer wdup = wbuf.writableDuplicate();
+ assertEquals(wdup.getTypeByteOrder(), ByteOrder.BIG_ENDIAN);
+
+ WritableBuffer wreg = wbuf.writableRegion();
+ assertEquals(wreg.getTypeByteOrder(), ByteOrder.BIG_ENDIAN);
+ }
+
+ @Test
+ public void checkDuplicateZeros() {
+ byte[] bArr = new byte[0];
+ WritableMemory wmem = WritableMemory.writableWrap(bArr, ByteOrder.BIG_ENDIAN);
+ Buffer buf = wmem.asBuffer();
+ Buffer dup = buf.duplicate();
+ assertEquals(dup.getTypeByteOrder(), ByteOrder.LITTLE_ENDIAN);
+
+ Buffer reg = buf.region();
+ assertEquals(reg.getTypeByteOrder(), ByteOrder.LITTLE_ENDIAN);
+ }
+
+}
Added: dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/NonNativeWritableMemoryImplTest.java
==============================================================================
--- dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/NonNativeWritableMemoryImplTest.java (added)
+++ dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/NonNativeWritableMemoryImplTest.java Thu Aug 19 22:18:24 2021
@@ -0,0 +1,220 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.datasketches.memory.test;
+
+import static org.testng.Assert.assertEquals;
+
+import java.nio.ByteOrder;
+
+import org.apache.datasketches.memory.Memory;
+import org.apache.datasketches.memory.WritableMemory;
+import org.testng.annotations.Test;
+
+/**
+ * @author Lee Rhodes
+ */
+@SuppressWarnings("javadoc")
+public class NonNativeWritableMemoryImplTest {
+ private byte[] bArr = new byte[8];
+ private final WritableMemory wmem = WritableMemory.writableWrap(bArr, ByteOrder.BIG_ENDIAN);
+
+//Check primitives
+ @Test
+ public void checkCharacters() {
+ int m = Character.BYTES;
+ int n = ((1 << 20) / m) + m;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem1 = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ for (int i = 0; i < n; i++) { wmem1.putChar(i * m, (char) i++); }
+ for (int i = 0; i < n; i++) {
+ assertEquals(wmem1.getChar(i * m), (char) i++);
+ }
+ //getArr & putArr
+ char[] cArr = new char[n]; //native
+ wmem1.getCharArray(0, cArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ wmem2.putCharArray(0, cArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkDoubles() {
+ int m = Double.BYTES;
+ int n = ((1 << 20) / m) + m;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem1 = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ double dbl = 1.0;
+ for (int i = 0; i < n; i++) { wmem1.putDouble(i * m, dbl++); }
+ dbl = 1.0;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wmem1.getDouble(i * m), dbl++);
+ }
+ //getArr & putArr
+ double[] dblArr = new double[n]; //native
+ wmem1.getDoubleArray(0, dblArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ wmem2.putDoubleArray(0, dblArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkFloats() {
+ int m = Float.BYTES;
+ int n = ((1 << 20) / m) + m;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem1 = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ float flt = 1.0F;
+ for (int i = 0; i < n; i++) { wmem1.putFloat(i * m, flt++); }
+ flt = 1.0F;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wmem1.getFloat(i * m), flt++);
+ }
+ //getArr & putArr
+ float[] fltArr = new float[n]; //native
+ wmem1.getFloatArray(0, fltArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ wmem2.putFloatArray(0, fltArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkInts() {
+ int m = Integer.BYTES;
+ int n = ((1 << 20) / m) + m;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem1 = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ int intg = 1;
+ for (int i = 0; i < n; i++) { wmem1.putInt(i * m, intg++); }
+ intg = 1;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wmem1.getInt(i * m), intg++);
+ }
+ //getArr & putArr
+ int[] intArr = new int[n]; //native
+ wmem1.getIntArray(0, intArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ wmem2.putIntArray(0, intArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkLongs() {
+ int m = Long.BYTES;
+ int n = ((1 << 20) / m) + m;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem1 = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ long lng = 1;
+ for (int i = 0; i < n; i++) { wmem1.putLong(i * m, lng++); }
+ lng = 1;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wmem1.getLong(i * m), lng++);
+ }
+ //getArr & putArr
+ long[] longArr = new long[n]; //native
+ wmem1.getLongArray(0, longArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ wmem2.putLongArray(0, longArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ @Test
+ public void checkShorts() {
+ int m = Short.BYTES;
+ int n = ((1 << 20) / m) + m;
+ byte[] arr1 = new byte[n * m]; //non-native
+ //put & get
+ WritableMemory wmem1 = WritableMemory.writableWrap(arr1, ByteOrder.BIG_ENDIAN);
+ short sht = 1;
+ for (int i = 0; i < n; i++) { wmem1.putShort(i * m, sht++); }
+ sht = 1;
+ for (int i = 0; i < n; i++) {
+ assertEquals(wmem1.getShort(i * m), sht++);
+ }
+ //getArr & putArr
+ short[] shortArr = new short[n]; //native
+ wmem1.getShortArray(0, shortArr, 0, n); //wmem is non-native
+ byte[] arr2 = new byte[n * m];
+ WritableMemory wmem2 = WritableMemory.writableWrap(arr2, ByteOrder.BIG_ENDIAN);
+ wmem2.putShortArray(0, shortArr, 0, n);
+ assertEquals(arr2, arr1);
+ }
+
+ //check Atomic Write Methods
+
+
+ @Test
+ public void testGetAndAddLong() {
+ wmem.getAndAddLong(0, 1L);
+ try {
+ wmem.getAndAddLong(1, 1L);
+ throw new RuntimeException("Expected AssertionError");
+ } catch (final AssertionError expected) {
+ // ignore
+ }
+ }
+
+ @Test
+ public void testGetAndSetLong() {
+ wmem.getAndSetLong(0, 1L);
+ try {
+ wmem.getAndSetLong(1, 1L);
+ throw new RuntimeException("Expected AssertionError");
+ } catch (final AssertionError expected) {
+ // ignore
+ }
+ }
+
+ @Test
+ public void testCompareAndSwapLong() {
+ wmem.compareAndSwapLong(0, 0L, 1L);
+ try {
+ wmem.compareAndSwapLong(1, 0L, 1L);
+ throw new RuntimeException("Expected AssertionError");
+ } catch (final AssertionError expected) {
+ // ignore
+ }
+ }
+
+ //check Region
+ @Test
+ public void checkRegion() {
+ WritableMemory wreg = wmem.writableRegion(0, wmem.getCapacity());
+ assertEquals(wreg.getTypeByteOrder(), ByteOrder.BIG_ENDIAN);
+ }
+
+ @Test
+ public void checkRegionZeros() {
+ byte[] bArr1 = new byte[0];
+ WritableMemory wmem1 = WritableMemory.writableWrap(bArr1, ByteOrder.BIG_ENDIAN);
+ Memory reg = wmem1.region(0, wmem1.getCapacity());
+ assertEquals(reg.getTypeByteOrder(), ByteOrder.LITTLE_ENDIAN);
+ }
+
+}
Added: dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/ReflectUtil.java
==============================================================================
--- dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/ReflectUtil.java (added)
+++ dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/ReflectUtil.java Thu Aug 19 22:18:24 2021
@@ -0,0 +1,400 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.datasketches.memory.test;
+
+import java.io.File;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.nio.ByteOrder;
+
+import org.apache.datasketches.memory.MemoryRequestServer;
+
+@SuppressWarnings("javadoc")
+public final class ReflectUtil {
+
+ private ReflectUtil() {}
+
+ static final Class<?> BASE_STATE;
+ static final Class<?> BASE_WRITABLE_MEMORY_IMPL;
+ static final Class<?> ALLOCATE_DIRECT_MAP;
+ static final Class<?> NIO_BITS;
+
+ static final Method CHECK_VALID; //BaseStateImpl
+ static final Method GET_DIRECT_ALLOCATIONS_COUNT; //NioBits
+ static final Method GET_MAX_DIRECT_BYTE_BUFFER_MEMORY; //NioBits
+ static final Method GET_NATIVE_BASE_OFFSET; //BaseStateImpl
+ static final Method GET_RESERVED_MEMORY; //NioBits
+ static final Method GET_TOTAL_CAPACITY; //NioBits
+ static final Method GET_UNSAFE_OBJECT; //BaseStateImpl
+ static final Method IS_BB_TYPE; //BaseStateImpl
+ static final Method IS_BUFFER_TYPE; //BaseStateImpl
+ static final Method IS_DIRECT_TYPE; //BaseStateImpl
+ static final Method IS_DUPLICATE_TYPE; //BaseStateImpl
+ static final Method IS_FILE_READ_ONLY; //AllocateDirectMap
+ static final Method IS_HEAP_TYPE; //BaseStateImpl
+ static final Method IS_MAP_TYPE; //BaseStateImpl
+ static final Method IS_NON_NATIVE_TYPE; //BaseStateImpl
+ static final Method IS_PAGE_ALIGHED; //NioBits
+ static final Method IS_READ_ONLY_TYPE; //BaseStateImpl
+ static final Method IS_REGION_TYPE; //BaseStateImpl
+ static final Method PAGE_COUNT; //NioBits
+ static final Method PAGE_SIZE; //NioBits
+ static final Method RESERVE_MEMORY; //NioBits
+ static final Method UNRESERVE_MEMORY; //NioBits
+ static final Method WRAP_DIRECT; //BaseWritableMemoryImpl
+
+ static {
+ BASE_STATE =
+ getClass("org.apache.datasketches.memory.internal.BaseStateImpl");
+ BASE_WRITABLE_MEMORY_IMPL =
+ getClass("org.apache.datasketches.memory.internal.BaseWritableMemoryImpl");
+ ALLOCATE_DIRECT_MAP =
+ getClass("org.apache.datasketches.memory.internal.AllocateDirectMap");
+ NIO_BITS =
+ getClass("org.apache.datasketches.memory.internal.NioBits");
+
+ CHECK_VALID =
+ getMethod(BASE_STATE, "checkValid", (Class<?>[])null); //not static
+ GET_DIRECT_ALLOCATIONS_COUNT =
+ getMethod(NIO_BITS, "getDirectAllocationsCount", (Class<?>[])null); //static
+ GET_MAX_DIRECT_BYTE_BUFFER_MEMORY =
+ getMethod(NIO_BITS, "getMaxDirectByteBufferMemory", (Class<?>[])null); //static
+ GET_NATIVE_BASE_OFFSET =
+ getMethod(BASE_STATE, "getNativeBaseOffset", (Class<?>[])null);
+ GET_RESERVED_MEMORY =
+ getMethod(NIO_BITS, "getReservedMemory", (Class<?>[])null); //static
+ GET_TOTAL_CAPACITY =
+ getMethod(NIO_BITS, "getTotalCapacity", (Class<?>[])null); //static
+ GET_UNSAFE_OBJECT =
+ getMethod(BASE_STATE, "getUnsafeObject", (Class<?>[])null); //not static
+ IS_BB_TYPE =
+ getMethod(BASE_STATE, "isBBType", (Class<?>[])null); //not static
+ IS_BUFFER_TYPE =
+ getMethod(BASE_STATE, "isBufferType", (Class<?>[])null); //not static
+ IS_DIRECT_TYPE =
+ getMethod(BASE_STATE, "isDirectType", (Class<?>[])null); //not static
+ IS_DUPLICATE_TYPE =
+ getMethod(BASE_STATE, "isDuplicateType", (Class<?>[])null); //not static
+ IS_FILE_READ_ONLY =
+ getMethod(ALLOCATE_DIRECT_MAP, "isFileReadOnly", File.class);
+ IS_HEAP_TYPE =
+ getMethod(BASE_STATE, "isHeapType", (Class<?>[])null); //not static
+ IS_MAP_TYPE =
+ getMethod(BASE_STATE, "isMapType", (Class<?>[])null); //not static
+ IS_NON_NATIVE_TYPE =
+ getMethod(BASE_STATE, "isNonNativeType", (Class<?>[])null); //not static
+ IS_PAGE_ALIGHED =
+ getMethod(NIO_BITS, "isPageAligned", (Class<?>[])null); //static
+ IS_READ_ONLY_TYPE =
+ getMethod(BASE_STATE, "isReadOnlyType", (Class<?>[])null); //not static
+ IS_REGION_TYPE =
+ getMethod(BASE_STATE, "isRegionType", (Class<?>[])null); //not static
+ PAGE_COUNT =
+ getMethod(NIO_BITS, "pageCount", long.class); //static
+ PAGE_SIZE =
+ getMethod(NIO_BITS, "pageSize", (Class<?>[])null); //static
+ RESERVE_MEMORY =
+ getMethod(NIO_BITS, "reserveMemory", long.class, long.class); //static
+ UNRESERVE_MEMORY =
+ getMethod(NIO_BITS, "unreserveMemory", long.class, long.class); //static
+ WRAP_DIRECT =
+ getMethod(BASE_WRITABLE_MEMORY_IMPL,
+ "wrapDirect", long.class, ByteOrder.class, MemoryRequestServer.class); //static method
+ }
+
+ /**
+ * Gets a Class reference to the given class loaded by the SystemClassLoader.
+ * This will work for private, package-private and abstract classes.
+ * @param fullyQualifiedBinaryName the binary name is the name of the class file on disk. This does not instantiate
+ * a concrete class, but allows access to constructors, static fields and static methods.
+ * @return the Class object of the given class.
+ */
+ public static Class<?> getClass(final String fullyQualifiedBinaryName) {
+ try {
+ final ClassLoader scl = ClassLoader.getSystemClassLoader();
+ return scl.loadClass(fullyQualifiedBinaryName);
+ } catch (final ClassNotFoundException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * Gets a declared constructor given the owner class and parameter types
+ * @param ownerClass the Class<?> object of the class loaded by the SystemClassLoader.
+ * @param parameterTypes parameter types for the constructor
+ * @return the constructor
+ */
+ public static Constructor<?> getConstructor(final Class<?> ownerClass, final Class<?>... parameterTypes ) {
+ try {
+ final Constructor<?> ctor = ownerClass.getDeclaredConstructor(parameterTypes);
+ ctor.setAccessible(true);
+ return ctor;
+ } catch (final NoSuchMethodException | SecurityException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * Gets a class instance from its constructor and initializing arguments.
+ * @param constructor the given Constructor
+ * @param initargs the initializing arguments
+ * @return the instantiated class.
+ */
+ public static Object getInstance(final Constructor<?> constructor, final Object... initargs) {
+ try {
+ constructor.setAccessible(true);
+ return constructor.newInstance(initargs);
+ } catch (final InstantiationException | IllegalAccessException | IllegalArgumentException
+ | InvocationTargetException | SecurityException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * Gets a declared field of the given the loaded owner class and field name. The accessible flag will be set true.
+ * @param ownerClass the Class<?> object of the class loaded by the SystemClassLoader.
+ * @param fieldName the desired field name
+ * @return the desired field.
+ */
+ public static Field getField(final Class<?> ownerClass, final String fieldName) {
+ try {
+ final Field field = ownerClass.getDeclaredField(fieldName);
+ field.setAccessible(true);
+ return field;
+ } catch (final NoSuchFieldException | SecurityException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * Gets a field value given the loaded owner class and the Field. The accessible flag will be set true.
+ * @param ownerClass the loaded class owning the field
+ * @param field The Field object
+ * @return the returned value as an object.
+ */
+ public static Object getFieldValue(final Class<?> ownerClass, final Field field) {
+ try {
+ field.setAccessible(true);
+ return field.get(ownerClass);
+ } catch (final IllegalAccessException | SecurityException | IllegalArgumentException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * Gets a declared method of the given the loaded owning class, method name and parameter types.
+ * The accessible flag will be set true.
+ * @param ownerClass the given
+ * @param methodName the given method name
+ * @param parameterTypes the list of parameter types
+ * @return the desired method.
+ */
+ public static Method getMethod(
+ final Class<?> ownerClass, final String methodName, final Class<?>... parameterTypes ) {
+ try {
+ final Method method = (parameterTypes == null)
+ ? ownerClass.getDeclaredMethod(methodName)
+ : ownerClass.getDeclaredMethod(methodName, parameterTypes);
+ method.setAccessible(true);
+ return method;
+ } catch (final NoSuchMethodException | SecurityException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static void checkValid(final Object target) {
+ try {
+ CHECK_VALID.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static long getDirectAllocationsCount() {
+ try {
+ return (long) GET_DIRECT_ALLOCATIONS_COUNT.invoke(null);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static long getMaxDirectByteBufferMemory() {
+ try {
+ return (long) GET_MAX_DIRECT_BYTE_BUFFER_MEMORY.invoke(null);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static long getNativeBaseOffset(final Object target) {
+ try {
+ return (long) GET_NATIVE_BASE_OFFSET.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static long getReservedMemory() {
+ try {
+ return (long) GET_RESERVED_MEMORY.invoke(null);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static long getTotalCapacity() {
+ try {
+ return (long) GET_TOTAL_CAPACITY.invoke(null);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static Object getUnsafeObject(final Object target) {
+ try {
+ return GET_UNSAFE_OBJECT.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isBBType(final Object target) {
+ try {
+ return (boolean) IS_BB_TYPE.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isBufferType(final Object target) {
+ try {
+ return (boolean) IS_BUFFER_TYPE.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isDirectType(final Object target) {
+ try {
+ return (boolean) IS_DIRECT_TYPE.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isDuplicateType(final Object target) {
+ try {
+ return (boolean) IS_DUPLICATE_TYPE.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isFileReadOnly(final File file) {
+ try {
+ return (boolean) IS_FILE_READ_ONLY.invoke(null, file);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isHeapType(final Object target) {
+ try {
+ return (boolean) IS_HEAP_TYPE.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isMapType(final Object target) {
+ try {
+ return (boolean) IS_MAP_TYPE.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isNonNativeType(final Object target) {
+ try {
+ return (boolean) IS_NON_NATIVE_TYPE.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isPageAligned() {
+ try {
+ return (boolean) IS_PAGE_ALIGHED.invoke(null);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isReadOnlyType(final Object target) {
+ try {
+ return (boolean) IS_READ_ONLY_TYPE.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static boolean isRegionType(final Object target) {
+ try {
+ return (boolean) IS_REGION_TYPE.invoke(target);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static int pageCount(final long bytes) {
+ try {
+ return (int) PAGE_COUNT.invoke(null, bytes);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static int pageSize() {
+ try {
+ return (int) PAGE_SIZE.invoke(null);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static void reserveMemory(final long allocationSize, final long capacity) {
+ try {
+ RESERVE_MEMORY.invoke(null, allocationSize, capacity);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static void unreserveMemory(final long allocationSize, final long capacity) {
+ try {
+ UNRESERVE_MEMORY.invoke(null, allocationSize, capacity);
+ } catch (final IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+}
Added: dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/SpecificLeafTest.java
==============================================================================
--- dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/SpecificLeafTest.java (added)
+++ dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/SpecificLeafTest.java Thu Aug 19 22:18:24 2021
@@ -0,0 +1,196 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.datasketches.memory.test;
+
+import static org.testng.Assert.assertFalse;
+import static org.testng.Assert.assertTrue;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+import org.apache.datasketches.memory.Buffer;
+import org.apache.datasketches.memory.Memory;
+import org.apache.datasketches.memory.WritableHandle;
+import org.apache.datasketches.memory.WritableMapHandle;
+import org.apache.datasketches.memory.WritableMemory;
+import org.apache.datasketches.memory.internal.Util;
+import org.testng.annotations.Test;
+
+/**
+ * @author Lee Rhodes
+ */
+@SuppressWarnings("javadoc")
+public class SpecificLeafTest {
+
+ @Test
+ public void checkByteBufferLeafs() {
+ int bytes = 128;
+ ByteBuffer bb = ByteBuffer.allocate(bytes);
+ bb.order(ByteOrder.nativeOrder());
+
+ Memory mem = Memory.wrap(bb).region(0, bytes, ByteOrder.nativeOrder());
+ assertTrue(ReflectUtil.isBBType(mem));
+ assertTrue(mem.isReadOnly());
+ checkCrossLeafTypeIds(mem);
+ Buffer buf = mem.asBuffer().region(0, bytes, ByteOrder.nativeOrder());
+
+ bb.order(Util.NON_NATIVE_BYTE_ORDER);
+ Memory mem2 = Memory.wrap(bb).region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+ Buffer buf2 = mem2.asBuffer().region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+ Buffer buf3 = buf2.duplicate();
+
+ assertTrue(ReflectUtil.isRegionType(mem));
+ assertTrue(ReflectUtil.isRegionType(mem2));
+ assertTrue(ReflectUtil.isRegionType(buf));
+ assertTrue(ReflectUtil.isRegionType(buf2));
+ assertTrue(ReflectUtil.isDuplicateType(buf3));
+ }
+
+ @Test
+ public void checkDirectLeafs() throws Exception {
+ int bytes = 128;
+ try (WritableHandle h = WritableMemory.allocateDirect(bytes)) {
+ WritableMemory wmem = h.getWritable(); //native mem
+ assertTrue(ReflectUtil.isDirectType(wmem));
+ assertFalse(wmem.isReadOnly());
+ checkCrossLeafTypeIds(wmem);
+ WritableMemory nnwmem = wmem.writableRegion(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+
+ Memory mem = wmem.region(0, bytes, ByteOrder.nativeOrder());
+ Buffer buf = mem.asBuffer().region(0, bytes, ByteOrder.nativeOrder());
+
+
+ Memory mem2 = nnwmem.region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+ Buffer buf2 = mem2.asBuffer().region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+ Buffer buf3 = buf2.duplicate();
+
+ assertTrue(ReflectUtil.isRegionType(mem));
+ assertTrue(ReflectUtil.isRegionType(mem2));
+ assertTrue(ReflectUtil.isRegionType(buf));
+ assertTrue(ReflectUtil.isRegionType(buf2));
+ assertTrue(ReflectUtil.isDuplicateType(buf3));
+ }
+ }
+
+ @Test
+ public void checkMapLeafs() throws Exception {
+ File file = new File("TestFile2.bin");
+ if (file.exists()) {
+ try {
+ java.nio.file.Files.delete(file.toPath());
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ assertTrue(file.createNewFile());
+ assertTrue(file.setWritable(true, false)); //writable=true, ownerOnly=false
+ assertTrue(file.isFile());
+ file.deleteOnExit(); //comment out if you want to examine the file.
+
+ final long bytes = 128;
+
+ try (WritableMapHandle h = WritableMemory.writableMap(file, 0L, bytes, ByteOrder.nativeOrder())) {
+ WritableMemory mem = h.getWritable(); //native mem
+ assertTrue(ReflectUtil.isMapType(mem));
+ assertFalse(mem.isReadOnly());
+ checkCrossLeafTypeIds(mem);
+ Memory nnreg = mem.region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+
+ Memory reg = mem.region(0, bytes, ByteOrder.nativeOrder());
+ Buffer buf = reg.asBuffer().region(0, bytes, ByteOrder.nativeOrder());
+ Buffer buf4 = buf.duplicate();
+
+ Memory reg2 = nnreg.region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+ Buffer buf2 = reg2.asBuffer().region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+ Buffer buf3 = buf2.duplicate();
+
+ assertTrue(ReflectUtil.isRegionType(reg));
+ assertTrue(ReflectUtil.isRegionType(reg2));
+ assertTrue(ReflectUtil.isRegionType(buf));
+ assertTrue(ReflectUtil.isRegionType(buf2));
+ assertTrue(ReflectUtil.isDuplicateType(buf3));
+ assertTrue(ReflectUtil.isDuplicateType(buf4));
+ }
+ }
+
+ @Test
+ public void checkHeapLeafs() {
+ int bytes = 128;
+ Memory mem = Memory.wrap(new byte[bytes]);
+ assertTrue(ReflectUtil.isHeapType(mem));
+ assertTrue(ReflectUtil.isReadOnlyType(mem));
+ checkCrossLeafTypeIds(mem);
+ Memory nnreg = mem.region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+
+ Memory reg = mem.region(0, bytes, ByteOrder.nativeOrder());
+ Buffer buf = reg.asBuffer().region(0, bytes, ByteOrder.nativeOrder());
+ Buffer buf4 = buf.duplicate();
+
+ Memory reg2 = nnreg.region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+ Buffer buf2 = reg2.asBuffer().region(0, bytes, Util.NON_NATIVE_BYTE_ORDER);
+ Buffer buf3 = buf2.duplicate();
+
+ assertFalse(ReflectUtil.isRegionType(mem));
+ assertTrue(ReflectUtil.isRegionType(reg2));
+ assertTrue(ReflectUtil.isRegionType(buf));
+ assertTrue(ReflectUtil.isRegionType(buf2));
+ assertTrue(ReflectUtil.isDuplicateType(buf3));
+ assertTrue(ReflectUtil.isDuplicateType(buf4));
+ }
+
+ private static void checkCrossLeafTypeIds(Memory mem) {
+ Memory reg1 = mem.region(0, mem.getCapacity());
+ assertTrue(ReflectUtil.isRegionType(reg1));
+
+ Buffer buf1 = reg1.asBuffer();
+ assertTrue(ReflectUtil.isRegionType(buf1));
+ assertTrue(ReflectUtil.isBufferType(buf1));
+ assertTrue(buf1.isReadOnly());
+
+ Buffer buf2 = buf1.duplicate();
+ assertTrue(ReflectUtil.isRegionType(buf2));
+ assertTrue(ReflectUtil.isBufferType(buf2));
+ assertTrue(ReflectUtil.isDuplicateType(buf2));
+ assertTrue(buf2.isReadOnly());
+
+ Memory mem2 = buf1.asMemory(); //
+ assertTrue(ReflectUtil.isRegionType(mem2));
+ assertFalse(ReflectUtil.isBufferType(mem2));
+ assertFalse(ReflectUtil.isDuplicateType(mem2));
+ assertTrue(mem2.isReadOnly());
+
+ Buffer buf3 = buf1.duplicate(Util.NON_NATIVE_BYTE_ORDER);
+ assertTrue(ReflectUtil.isRegionType(buf3));
+ assertTrue(ReflectUtil.isBufferType(buf3));
+ assertTrue(ReflectUtil.isDuplicateType(buf3));
+ assertTrue(ReflectUtil.isNonNativeType(buf3));
+ assertTrue(buf3.isReadOnly());
+
+ Memory mem3 = buf3.asMemory();
+ assertTrue(ReflectUtil.isRegionType(mem3));
+ assertFalse(ReflectUtil.isBufferType(mem3));
+ assertTrue(ReflectUtil.isDuplicateType(mem3));
+ assertTrue(ReflectUtil.isNonNativeType(mem3));
+ assertTrue(mem3.isReadOnly());
+ }
+
+}
Added: dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/UnsafeUtilTest.java
==============================================================================
--- dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/UnsafeUtilTest.java (added)
+++ dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/UnsafeUtilTest.java Thu Aug 19 22:18:24 2021
@@ -0,0 +1,154 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.datasketches.memory.test;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+import static org.testng.Assert.fail;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.datasketches.memory.internal.Ints;
+import org.apache.datasketches.memory.internal.UnsafeUtil;
+import org.testng.annotations.Test;
+
+
+/**
+ * @author Lee Rhodes
+ */
+@SuppressWarnings("javadoc")
+public class UnsafeUtilTest {
+ long testField = 1; //Do not remove & cannot be static. Used in reflection check.
+
+
+ @Test
+ public void checkJdkString() {
+ String jdkVer;
+ int[] p = new int[2];
+ String[] good1_Strings = {"1.8.0_121", "8", "9", "10", "11", "12", "13"};
+ int len = good1_Strings.length;
+ for (int i = 0; i < len; i++) {
+ jdkVer = good1_Strings[i];
+ p = UnsafeUtil.parseJavaVersion(jdkVer);
+ UnsafeUtil.checkJavaVersion(jdkVer, p[0], p[1]);
+ int jdkMajor = (p[0] == 1) ? p[1] : p[0]; //model the actual JDK_MAJOR
+ if (p[0] == 1) { assertTrue(jdkMajor == p[1]); }
+ if (p[0] > 1 ) { assertTrue(jdkMajor == p[0]); }
+ }
+ try {
+ jdkVer = "14.0.4"; //ver 14 string
+ p = UnsafeUtil.parseJavaVersion(jdkVer);
+ UnsafeUtil.checkJavaVersion(jdkVer, p[0], p[1]);
+ fail();
+ } catch (IllegalArgumentException e) {
+ println("" + e);
+ }
+
+ try {
+ jdkVer = "1.7.0_80"; //1.7 string
+ p = UnsafeUtil.parseJavaVersion(jdkVer);
+ UnsafeUtil.checkJavaVersion(jdkVer, p[0], p[1]);
+ fail();
+ } catch (IllegalArgumentException e) {
+ println("" + e);
+ }
+ try {
+ jdkVer = "1.6.0_65"; //valid string but < 1.7
+ p = UnsafeUtil.parseJavaVersion(jdkVer);
+ UnsafeUtil.checkJavaVersion(jdkVer, p[0], p[1]); //throws
+ fail();
+ } catch (IllegalArgumentException e) {
+ println("" + e);
+ }
+ try {
+ jdkVer = "b"; //invalid string
+ p = UnsafeUtil.parseJavaVersion(jdkVer);
+ UnsafeUtil.checkJavaVersion(jdkVer, p[0], p[1]); //throws
+ fail();
+ } catch (IllegalArgumentException e) {
+ println("" + e);
+ }
+ try {
+ jdkVer = ""; //invalid string
+ p = UnsafeUtil.parseJavaVersion(jdkVer);
+ UnsafeUtil.checkJavaVersion(jdkVer, p[0], p[1]); //throws
+ fail();
+ } catch (IllegalArgumentException e) {
+ println("" + e);
+ }
+ }
+
+ @Test
+ public void checkFieldOffset() {
+ assertEquals(testField, 1);
+ long offset = UnsafeUtil.getFieldOffset(this.getClass(), "testField");
+ assertEquals(offset, 16);
+ try {
+ offset = UnsafeUtil.getFieldOffset(this.getClass(), "testField2");
+ fail();
+ } catch (IllegalStateException e) {
+ //OK
+ }
+ }
+
+ @Test(expectedExceptions = IllegalArgumentException.class)
+ public void checkInts() {
+ Ints.checkedCast(1L << 32);
+ }
+
+ @SuppressWarnings("restriction")
+ @Test
+ public void checkArrayBaseOffset()
+ {
+ final List<Class<?>> classes = new ArrayList<>();
+ classes.add(byte[].class);
+ classes.add(int[].class);
+ classes.add(long[].class);
+ classes.add(float[].class);
+ classes.add(double[].class);
+ classes.add(boolean[].class);
+ classes.add(short[].class);
+ classes.add(char[].class);
+ classes.add(Object[].class);
+ classes.add(byte[][].class); // An array type that is not cached
+
+ for (Class<?> clazz : classes) {
+ assertEquals(
+ UnsafeUtil.getArrayBaseOffset(clazz),
+ UnsafeUtil.unsafe.arrayBaseOffset(clazz),
+ clazz.getTypeName()
+ );
+ }
+ }
+
+ @Test
+ public void printlnTest() {
+ println("PRINTING: "+this.getClass().getName());
+ }
+
+ /**
+ * @param s String to print
+ */
+ static void println(final String s) {
+ //System.out.println(s);
+ }
+
+}
Added: dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/Utf8Test.java
==============================================================================
--- dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/Utf8Test.java (added)
+++ dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/Utf8Test.java Thu Aug 19 22:18:24 2021
@@ -0,0 +1,517 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.datasketches.memory.test;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.fail;
+
+import java.io.IOException;
+import java.nio.CharBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.datasketches.memory.Memory;
+import org.apache.datasketches.memory.Utf8CodingException;
+import org.apache.datasketches.memory.WritableMemory;
+import org.apache.datasketches.memory.internal.Util.RandomCodePoints;
+import org.testng.annotations.Test;
+
+import com.google.protobuf.ByteString;
+
+/**
+ * Adapted version of
+ * https://github.com/protocolbuffers/protobuf/blob/master/java/core/src/test/java/com/google/protobuf/DecodeUtf8Test.java
+ *
+ * Copyright 2008 Google Inc. All rights reserved.
+ * https://developers.google.com/protocol-buffers/
+ * See LICENSE.
+ */
+@SuppressWarnings("javadoc")
+public class Utf8Test {
+
+ @Test
+ public void testRoundTripAllValidCodePoints() throws IOException { //the non-surrogate code pts
+ for (int cp = Character.MIN_CODE_POINT; cp < Character.MAX_CODE_POINT; cp++) {
+ if (!isSurrogateCodePoint(cp)) {
+ String refStr = new String(Character.toChars(cp));
+ assertRoundTrips(refStr);
+ }
+ }
+ }
+
+ @Test
+ public void testPutInvalidChars() { //The surrogates must be a pair, thus invalid alone
+ WritableMemory mem = WritableMemory.allocate(10);
+ WritableMemory emptyMem = WritableMemory.allocate(0);
+ for (int c = Character.MIN_SURROGATE; c <= Character.MAX_SURROGATE; c++) {
+ assertSurrogate(mem, (char) c);
+ assertSurrogate(emptyMem, (char) c);
+ }
+ }
+
+ private static void assertSurrogate(WritableMemory mem, char c) {
+ try {
+ mem.putCharsToUtf8(0, new String(new char[] {c}));
+ fail();
+ } catch (Utf8CodingException e) {
+ // Expected.
+ }
+ }
+
+ @Test
+ public void testPutInvaidSurrogatePairs() {
+ WritableMemory mem = WritableMemory.allocate(4);
+ StringBuilder sb = new StringBuilder();
+ sb.append(Character.MIN_HIGH_SURROGATE);
+ sb.append(Character.MAX_HIGH_SURROGATE);
+ try {
+ mem.putCharsToUtf8(0, sb);
+ } catch (Utf8CodingException e) {
+ //Expected;
+ }
+ }
+
+ @Test
+ public void testPutHighBMP() {
+ WritableMemory mem = WritableMemory.allocate(2);
+ StringBuilder sb = new StringBuilder();
+ sb.append("\uE000");
+ try {
+ mem.putCharsToUtf8(0, sb);
+ } catch (Utf8CodingException e) {
+ //Expected;
+ }
+ }
+
+ @Test
+ public void testPutExtendedAscii() {
+ WritableMemory mem = WritableMemory.allocate(1);
+ StringBuilder sb = new StringBuilder();
+ sb.append("\u07FF");
+ try {
+ mem.putCharsToUtf8(0, sb);
+ } catch (Utf8CodingException e) {
+ //Expected;
+ }
+ }
+
+ @Test
+ public void testPutOneAsciiToEmpty() {
+ WritableMemory mem = WritableMemory.allocate(0);
+ StringBuilder sb = new StringBuilder();
+ sb.append("a");
+ try {
+ mem.putCharsToUtf8(0, sb);
+ } catch (Utf8CodingException e) {
+ //Expected;
+ }
+ }
+
+ @Test
+ public void testPutValidSurrogatePair() {
+ WritableMemory mem = WritableMemory.allocate(4);
+ StringBuilder sb = new StringBuilder();
+ sb.append(Character.MIN_HIGH_SURROGATE);
+ sb.append(Character.MIN_LOW_SURROGATE);
+ mem.putCharsToUtf8(0, sb);
+ }
+
+ // Test all 1, 2, 3 invalid byte combinations. Valid ones would have been covered above.
+
+ @Test
+ public void testOneByte() {
+ int valid = 0;
+ for (int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++) {
+ ByteString bs = ByteString.copyFrom(new byte[] {(byte) i });
+ if (!bs.isValidUtf8()) { //from -128 to -1
+ assertInvalid(bs.toByteArray());
+ } else {
+ valid++; //from 0 to 127
+ }
+ }
+ assertEquals(IsValidUtf8TestUtil.EXPECTED_ONE_BYTE_ROUNDTRIPPABLE_COUNT, valid);
+ }
+
+ @Test
+ public void testTwoBytes() {
+ int valid = 0;
+ for (int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++) {
+ for (int j = Byte.MIN_VALUE; j <= Byte.MAX_VALUE; j++) {
+ ByteString bs = ByteString.copyFrom(new byte[]{(byte) i, (byte) j});
+ if (!bs.isValidUtf8()) {
+ assertInvalid(bs.toByteArray());
+ } else {
+ valid++;
+ }
+ }
+ }
+ assertEquals(IsValidUtf8TestUtil.EXPECTED_TWO_BYTE_ROUNDTRIPPABLE_COUNT, valid);
+ }
+
+ //@Test
+ //This test is very long, and doesn't cover the 4-byte combinations.
+ // This is replaced by the test following which does cover some 4-byte combinations.
+ public void testThreeBytes() {
+ // Travis' OOM killer doesn't like this test
+ if (System.getenv("TRAVIS") == null) {
+ int count = 0;
+ int valid = 0;
+ for (int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++) {
+ for (int j = Byte.MIN_VALUE; j <= Byte.MAX_VALUE; j++) {
+ for (int k = Byte.MIN_VALUE; k <= Byte.MAX_VALUE; k++) {
+ byte[] bytes = new byte[]{(byte) i, (byte) j, (byte) k};
+ ByteString bs = ByteString.copyFrom(bytes);
+ if (!bs.isValidUtf8()) {
+ assertInvalid(bytes);
+ } else {
+ valid++;
+ }
+ count++;
+ if ((count % 1000000L) == 0) {
+ println("Processed " + (count / 1000000L) + " million characters");
+ }
+ }
+ }
+ }
+ assertEquals(IsValidUtf8TestUtil.EXPECTED_THREE_BYTE_ROUNDTRIPPABLE_COUNT, valid);
+ }
+ }
+
+ /* These code points can be used by the following test to customize different regions of the
+ * Code Point space. This randomized test can replace the exhaustive
+ * combinatorially explosive previous test, which doesn't cover the 4 byte combinations.
+ */
+ static final int min1ByteCP = 0; //ASCII
+ static final int min2ByteCP = 0X000080;
+ static final int min3ByteCP = 0X000800;
+ static final int min4ByteCP = Character.MIN_SUPPLEMENTARY_CODE_POINT; //0X010000;
+ static final int minPlane2CP = 0X020000;
+ static final int maxCodePoint = Character.MAX_CODE_POINT; //0X10FFFF
+ static final int minSurr = Character.MIN_SURROGATE; //0X00D800;
+ static final int maxSurr = Character.MAX_SURROGATE; //0X00E000;
+
+ @Test
+ //randomly selects CP from a range that include 1, 2, 3 and 4 byte encodings.
+ // with 50% coming from plane 0 and 50% coming from plane 1.
+ public void checkRandomValidCodePoints() {
+ RandomCodePoints rcp = new RandomCodePoints(true);
+ int numCP = 1000;
+ int[] cpArr = new int[numCP];
+ rcp.fillCodePointArray(cpArr, 0, minPlane2CP);
+ String rcpStr = new String(cpArr, 0, numCP);
+ //println(rcpStr);
+ WritableMemory wmem = WritableMemory.allocate(4 * numCP);
+ int utf8Bytes = (int) wmem.putCharsToUtf8(0, rcpStr);
+
+ StringBuilder sb = new StringBuilder();
+ try {
+ wmem.getCharsFromUtf8(0L, utf8Bytes, (Appendable) sb);
+ } catch (IOException | Utf8CodingException e) {
+ throw new RuntimeException(e);
+ }
+ checkStrings(sb.toString(), rcpStr);
+
+ CharBuffer cb = CharBuffer.allocate(rcpStr.length());
+ try {
+ wmem.getCharsFromUtf8(0L, utf8Bytes, cb);
+ } catch (IOException | Utf8CodingException e) {
+ throw new RuntimeException(e);
+ }
+ String cbStr = sb.toString();
+ assertEquals(cbStr.length(), rcpStr.length());
+ checkStrings(cbStr, rcpStr);
+ }
+
+ @Test
+ public void checkRandomValidCodePoints2() {
+ //checks the non-deterministic constructor
+ @SuppressWarnings("unused")
+ RandomCodePoints rcp = new RandomCodePoints(false);
+ }
+
+
+ /**
+ * Tests that round tripping of a sample of four byte permutations work.
+ */
+ @Test
+ public void testInvalid_4BytesSamples() {
+ // Bad trailing bytes
+ assertInvalid(0xF0, 0xA4, 0xAD, 0x7F);
+ assertInvalid(0xF0, 0xA4, 0xAD, 0xC0);
+
+ // Special cases for byte2
+ assertInvalid(0xF0, 0x8F, 0xAD, 0xA2);
+ assertInvalid(0xF4, 0x90, 0xAD, 0xA2);
+ }
+
+ @Test
+ public void testRealStrings() throws IOException {
+ // English
+ assertRoundTrips("The quick brown fox jumps over the lazy dog");
+ // German
+ assertRoundTrips("Quizdeltagerne spiste jordb\u00e6r med fl\u00f8de, mens cirkusklovnen");
+ // Japanese
+ assertRoundTrips(
+ "\u3044\u308d\u306f\u306b\u307b\u3078\u3068\u3061\u308a\u306c\u308b\u3092");
+ // Hebrew
+ assertRoundTrips(
+ "\u05d3\u05d2 \u05e1\u05e7\u05e8\u05df \u05e9\u05d8 \u05d1\u05d9\u05dd "
+ + "\u05de\u05d0\u05d5\u05db\u05d6\u05d1 \u05d5\u05dc\u05e4\u05ea\u05e2"
+ + " \u05de\u05e6\u05d0 \u05dc\u05d5 \u05d7\u05d1\u05e8\u05d4 "
+ + "\u05d0\u05d9\u05da \u05d4\u05e7\u05dc\u05d9\u05d8\u05d4");
+ // Thai
+ assertRoundTrips(
+ " \u0e08\u0e07\u0e1d\u0e48\u0e32\u0e1f\u0e31\u0e19\u0e1e\u0e31\u0e12"
+ + "\u0e19\u0e32\u0e27\u0e34\u0e0a\u0e32\u0e01\u0e32\u0e23");
+ // Chinese
+ assertRoundTrips(
+ "\u8fd4\u56de\u94fe\u4e2d\u7684\u4e0b\u4e00\u4e2a\u4ee3\u7406\u9879\u9009\u62e9\u5668");
+ // Chinese with 4-byte chars
+ assertRoundTrips("\uD841\uDF0E\uD841\uDF31\uD841\uDF79\uD843\uDC53\uD843\uDC78"
+ + "\uD843\uDC96\uD843\uDCCF\uD843\uDCD5\uD843\uDD15\uD843\uDD7C\uD843\uDD7F"
+ + "\uD843\uDE0E\uD843\uDE0F\uD843\uDE77\uD843\uDE9D\uD843\uDEA2");
+ // Mixed
+ assertRoundTrips(
+ "The quick brown \u3044\u308d\u306f\u306b\u307b\u3078\u8fd4\u56de\u94fe"
+ + "\u4e2d\u7684\u4e0b\u4e00");
+ }
+
+ @Test
+ public void checkNonEmptyDestinationForDecode() {
+ StringBuilder sb = new StringBuilder();
+ sb.append("abc"); //current contents of destination
+ int startChars = sb.toString().toCharArray().length;
+ String refStr = "Quizdeltagerne spiste jordb\u00e6r med fl\u00f8de, mens cirkusklovnen";
+ byte[] refByteArr = refStr.getBytes(UTF_8);
+ int addBytes = refByteArr.length;
+ WritableMemory refMem = WritableMemory.writableWrap(refByteArr);
+ int decodedChars = refMem.getCharsFromUtf8(0, addBytes, sb);
+ String finalStr = sb.toString();
+ int finalChars = finalStr.toCharArray().length;
+ assertEquals(decodedChars + startChars, finalChars);
+ println("Decoded chars: " + decodedChars);
+ println("Final chars: " + finalChars);
+ println(sb.toString());
+ }
+
+ @Test
+ public void checkNonEmptyDestinationForEncode() {
+ String refStr = "Quizdeltagerne spiste jordb\u00e6r med fl\u00f8de, mens cirkusklovnen";
+ byte[] refByteArr = refStr.getBytes(UTF_8);
+ int refBytes = refByteArr.length;
+ int offset = 100;
+ WritableMemory tgtMem = WritableMemory.allocate(refBytes + offset);
+ long bytesEncoded = tgtMem.putCharsToUtf8(offset, refStr);
+ assertEquals(bytesEncoded, refBytes);
+ }
+
+ @Test
+ public void testOverlong() {
+ assertInvalid(0xc0, 0xaf);
+ assertInvalid(0xe0, 0x80, 0xaf);
+ assertInvalid(0xf0, 0x80, 0x80, 0xaf);
+
+ // Max overlong
+ assertInvalid(0xc1, 0xbf);
+ assertInvalid(0xe0, 0x9f, 0xbf);
+ assertInvalid(0xf0 ,0x8f, 0xbf, 0xbf);
+
+ // null overlong
+ assertInvalid(0xc0, 0x80);
+ assertInvalid(0xe0, 0x80, 0x80);
+ assertInvalid(0xf0, 0x80, 0x80, 0x80);
+ }
+
+ @Test
+ public void testIllegalCodepoints() {
+ // Single surrogate
+ assertInvalid(0xed, 0xa0, 0x80);
+ assertInvalid(0xed, 0xad, 0xbf);
+ assertInvalid(0xed, 0xae, 0x80);
+ assertInvalid(0xed, 0xaf, 0xbf);
+ assertInvalid(0xed, 0xb0, 0x80);
+ assertInvalid(0xed, 0xbe, 0x80);
+ assertInvalid(0xed, 0xbf, 0xbf);
+
+ // Paired surrogates
+ assertInvalid(0xed, 0xa0, 0x80, 0xed, 0xb0, 0x80);
+ assertInvalid(0xed, 0xa0, 0x80, 0xed, 0xbf, 0xbf);
+ assertInvalid(0xed, 0xad, 0xbf, 0xed, 0xb0, 0x80);
+ assertInvalid(0xed, 0xad, 0xbf, 0xed, 0xbf, 0xbf);
+ assertInvalid(0xed, 0xae, 0x80, 0xed, 0xb0, 0x80);
+ assertInvalid(0xed, 0xae, 0x80, 0xed, 0xbf, 0xbf);
+ assertInvalid(0xed, 0xaf, 0xbf, 0xed, 0xb0, 0x80);
+ assertInvalid(0xed, 0xaf, 0xbf, 0xed, 0xbf, 0xbf);
+ }
+
+ @Test
+ public void testBufferSlice() throws IOException {
+ String str = "The quick brown fox jumps over the lazy dog";
+ assertRoundTrips(str, 4, 10, 4);
+ assertRoundTrips(str, 0, str.length(), 0);
+ }
+
+ @Test
+ public void testInvalidBufferSlice() { //these are pure Memory bounds violations
+ byte[] bytes = "The quick brown fox jumps over the lazy dog".getBytes(UTF_8);
+ assertInvalidSlice(bytes, bytes.length - 3, 4);
+ assertInvalidSlice(bytes, bytes.length, 1);
+ assertInvalidSlice(bytes, bytes.length + 1, 0);
+ assertInvalidSlice(bytes, 0, bytes.length + 1);
+ }
+
+ private static void assertInvalid(int... bytesAsInt) { //invalid byte sequences
+ byte[] bytes = new byte[bytesAsInt.length];
+ for (int i = 0; i < bytesAsInt.length; i++) {
+ bytes[i] = (byte) bytesAsInt[i];
+ }
+ assertInvalid(bytes);
+ }
+
+ private static void assertInvalid(byte[] bytes) {
+ int bytesLen = bytes.length;
+ try {
+ Memory.wrap(bytes).getCharsFromUtf8(0, bytesLen, new StringBuilder());
+ fail();
+ } catch (Utf8CodingException e) {
+ // Expected.
+ }
+ try {
+ CharBuffer cb = CharBuffer.allocate(bytesLen);
+ Memory.wrap(bytes).getCharsFromUtf8(0, bytesLen, cb);
+ fail();
+ } catch (Utf8CodingException | IOException e) {
+ // Expected.
+ }
+ }
+
+ private static void assertInvalidSlice(byte[] bytes, int index, int size) {
+ try {
+ Memory mem = Memory.wrap(bytes);
+ mem.getCharsFromUtf8(index, size, new StringBuilder());
+ fail();
+ } catch (IllegalArgumentException e) { //Pure bounds violation
+ // Expected.
+ }
+ }
+
+ /**
+ * Performs round-trip test using the given reference string
+ * @param refStr the reference string
+ * @throws IOException
+ */
+ private static void assertRoundTrips(String refStr) throws IOException {
+ assertRoundTrips(refStr, refStr.toCharArray().length, 0, -1);
+ }
+
+ /**
+ * Performs round-trip test using the given reference string
+ * @param refStr the reference string
+ * @param refSubCharLen the number of characters expected to be decoded
+ * @param offsetBytes starting utf8 byte offset
+ * @param utf8LengthBytes length of utf8 bytes
+ * @throws IOException
+ */
+ private static void assertRoundTrips(String refStr, int refSubCharLen, int offsetBytes,
+ int utf8LengthBytes) throws IOException {
+ byte[] refByteArr = refStr.getBytes(UTF_8);
+ if (utf8LengthBytes == -1) {
+ utf8LengthBytes = refByteArr.length;
+ }
+ Memory refMem = Memory.wrap(refByteArr);
+
+ byte[] refByteArr2 = new byte[refByteArr.length + 1];
+ System.arraycopy(refByteArr, 0, refByteArr2, 1, refByteArr.length);
+ Memory refReg = Memory.wrap(refByteArr2).region(1, refByteArr.length);
+
+ WritableMemory dstMem = WritableMemory.allocate(refByteArr.length);
+ WritableMemory dstMem2 =
+ WritableMemory.allocate(refByteArr.length + 1).writableRegion(1, refByteArr.length);
+
+ // Test with Memory objects, where base offset != 0
+ assertRoundTrips(refStr, refSubCharLen, offsetBytes, utf8LengthBytes, refByteArr, refMem, dstMem);
+ assertRoundTrips(refStr, refSubCharLen, offsetBytes, utf8LengthBytes, refByteArr, refMem, dstMem2);
+ assertRoundTrips(refStr, refSubCharLen, offsetBytes, utf8LengthBytes, refByteArr, refReg, dstMem);
+ assertRoundTrips(refStr, refSubCharLen, offsetBytes, utf8LengthBytes, refByteArr, refReg, dstMem2);
+ }
+
+ private static void assertRoundTrips(String refStr, int refSubCharLen, int offsetBytes,
+ int utf8LengthBytes, byte[] refByteArr, Memory refMem, WritableMemory dstMem)
+ throws IOException {
+ StringBuilder sb = new StringBuilder();
+
+ int charPos = refMem.getCharsFromUtf8(offsetBytes, utf8LengthBytes, sb);
+ checkStrings(sb.toString(), new String(refByteArr, offsetBytes, utf8LengthBytes, UTF_8));
+ assertEquals(charPos, refSubCharLen);
+
+ CharBuffer cb = CharBuffer.allocate(refByteArr.length + 1);
+ cb.position(1);
+ // Make CharBuffer 1-based, to check correct offset handling
+ cb = cb.slice();
+ refMem.getCharsFromUtf8(offsetBytes, utf8LengthBytes, cb);
+ cb.flip();
+ checkStrings(cb.toString(), new String(refByteArr, offsetBytes, utf8LengthBytes, UTF_8));
+
+ long encodedUtf8Bytes = dstMem.putCharsToUtf8(0, refStr); //encodes entire refStr
+ assertEquals(encodedUtf8Bytes, refByteArr.length); //compares bytes length
+ //compare the actual bytes encoded
+ assertEquals(0, dstMem.compareTo(0, refByteArr.length, refMem, 0, refByteArr.length));
+
+ // Test write overflow
+ WritableMemory writeMem2 = WritableMemory.allocate(refByteArr.length - 1);
+ try {
+ writeMem2.putCharsToUtf8(0, refStr);
+ fail();
+ } catch (Utf8CodingException e) {
+ // Expected.
+ }
+ }
+
+ private static boolean isSurrogateCodePoint(final int cp) {
+ return (cp >= Character.MIN_SURROGATE) && (cp <= Character.MAX_SURROGATE);
+ }
+
+ private static void checkStrings(String actual, String expected) {
+ if (!expected.equals(actual)) {
+ fail("Failure: Expected (" + codepoints(expected) + ") Actual (" + codepoints(actual) + ")");
+ }
+ }
+
+ private static List<String> codepoints(String str) {
+ List<String> codepoints = new ArrayList<>();
+ for (int i = 0; i < str.length(); i++) {
+ codepoints.add(Long.toHexString(str.charAt(i)));
+ }
+ return codepoints;
+ }
+
+ @Test
+ public void printlnTest() {
+ println("PRINTING: "+this.getClass().getName());
+ }
+
+ /**
+ * @param s value to print
+ */
+ static void println(String s) {
+ //System.out.println(s); //disable here
+ }
+}
Added: dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/UtilTest.java
==============================================================================
--- dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/UtilTest.java (added)
+++ dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/UtilTest.java Thu Aug 19 22:18:24 2021
@@ -0,0 +1,207 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Note: Lincoln's Gettysburg Address is in the public domain. See LICENSE.
+ */
+
+package org.apache.datasketches.memory.test;
+
+import static org.apache.datasketches.memory.internal.Util.characterPad;
+import static org.apache.datasketches.memory.internal.Util.getResourceBytes;
+import static org.apache.datasketches.memory.internal.Util.getResourceFile;
+import static org.apache.datasketches.memory.internal.Util.negativeCheck;
+import static org.apache.datasketches.memory.internal.Util.nullCheck;
+import static org.apache.datasketches.memory.internal.Util.zeroCheck;
+import static org.apache.datasketches.memory.internal.Util.zeroPad;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+import static org.testng.Assert.fail;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.attribute.PosixFileAttributeView;
+import java.nio.file.attribute.PosixFileAttributes;
+import java.nio.file.attribute.PosixFilePermissions;
+
+import org.apache.datasketches.memory.internal.UnsafeUtil;
+import org.apache.datasketches.memory.internal.Util;
+import org.apache.datasketches.memory.WritableMemory;
+import org.testng.annotations.Test;
+
+@SuppressWarnings("javadoc")
+public class UtilTest {
+ private static final String LS = System.getProperty("line.separator");
+
+ //Binary Search
+ @Test
+ public void checkBinarySearch() {
+ int k = 1024; //longs
+ WritableMemory wMem = WritableMemory.allocate(k << 3); //1024 longs
+ for (int i = 0; i < k; i++) { wMem.putLong(i << 3, i); }
+ long idx = Util.binarySearchLongs(wMem, 0, k - 1, k / 2);
+ long val = wMem.getLong(idx << 3);
+ assertEquals(idx, k/2);
+ assertEquals(val, k/2);
+
+ idx = Util.binarySearchLongs(wMem, 0, k - 1, k);
+ assertEquals(idx, -1024);
+ }
+
+ @Test(expectedExceptions = IllegalArgumentException.class)
+ public void checkBoundsTest() {
+ UnsafeUtil.checkBounds(999, 2, 1000);
+ }
+
+ @Test
+ public void checkPadding() {
+ String s = "123";
+ String t = zeroPad(s, 4);
+ assertTrue(t.startsWith("0"));
+
+ t = characterPad(s, 4, '0', true);
+ assertTrue(t.endsWith("0"));
+
+ t = characterPad(s, 3, '0', false);
+ assertEquals(s, t);
+ }
+
+ @Test
+ public void checkNullZeroNegativeChecks() {
+ Object obj = null;
+ try {
+ nullCheck(obj, "Test Object");
+ fail();
+ } catch (IllegalArgumentException e) {
+ //OK
+ }
+ try {
+ zeroCheck(0, "Test Long");
+ fail();
+ } catch (IllegalArgumentException e) {
+ //OK
+ }
+ try {
+ negativeCheck(-1L, "Test Long");
+ fail();
+ } catch (IllegalArgumentException e) {
+ //OK
+ }
+ }
+
+ @Test
+ public void checkCodePointArr() {
+ final Util.RandomCodePoints rvcp = new Util.RandomCodePoints(true);
+ final int n = 1000;
+ final int[] cpArr = new int[n];
+ rvcp.fillCodePointArray(cpArr);
+ for (int i = 0; i < n; i++) {
+ int cp = cpArr[i];
+ if ((cp >= Character.MIN_SURROGATE) && (cp <= Character.MAX_SURROGATE)) {
+ fail();
+ }
+ }
+ }
+
+ @Test
+ public void checkCodePoint() {
+ final Util.RandomCodePoints rvcp = new Util.RandomCodePoints(true);
+ final int n = 1000;
+ for (int i = 0; i < n; i++) {
+ int cp = rvcp.getCodePoint();
+ if ((cp >= Character.MIN_SURROGATE) && (cp <= Character.MAX_SURROGATE)) {
+ fail();
+ }
+ }
+ }
+
+ static final String getFileAttributes(File file) {
+ try {
+ PosixFileAttributes attrs = Files.getFileAttributeView(
+ file.toPath(), PosixFileAttributeView.class, new LinkOption[0]).readAttributes();
+ String s = String.format("%s: %s %s %s%n",
+ file.getPath(),
+ attrs.owner().getName(),
+ attrs.group().getName(),
+ PosixFilePermissions.toString(attrs.permissions()));
+ return s;
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ static final void setGettysburgAddressFileToReadOnly() {
+ File file = getResourceFile("GettysburgAddress.txt");
+ try {
+ Files.setPosixFilePermissions(file.toPath(), PosixFilePermissions.fromString("r--r--r--"));
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ //Resources
+
+ @Test
+ public void resourceFileExits() {
+ final String shortFileName = "GettysburgAddress.txt";
+ final File file = getResourceFile(shortFileName);
+ assertTrue(file.exists());
+ }
+
+ @Test(expectedExceptions = IllegalArgumentException.class)
+ public void resourceFileNotFound() {
+ final String shortFileName = "GettysburgAddress.txt";
+ getResourceFile(shortFileName + "123");
+ }
+
+ @Test
+ public void resourceBytesCorrect() {
+ final String shortFileName = "GettysburgAddress.txt";
+ final byte[] bytes = getResourceBytes(shortFileName);
+ assertTrue(bytes.length == 1541);
+ }
+
+ @Test(expectedExceptions = IllegalArgumentException.class)
+ public void resourceBytesFileNotFound() {
+ final String shortFileName = "GettysburgAddress.txt";
+ getResourceBytes(shortFileName + "123");
+ }
+
+ @Test
+ public void printlnTest() {
+ println("PRINTING: "+this.getClass().getName());
+ }
+
+ static void println(final Object o) {
+ if (o == null) { print(LS); }
+ else { print(o.toString() + LS); }
+ }
+
+ /**
+ * @param o value to print
+ */
+ static void print(final Object o) {
+ if (o != null) {
+ //System.out.print(o.toString()); //disable here
+ }
+ }
+
+}
Added: dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/VirtualMachineMemoryTest.java
==============================================================================
--- dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/VirtualMachineMemoryTest.java (added)
+++ dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/VirtualMachineMemoryTest.java Thu Aug 19 22:18:24 2021
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.datasketches.memory.test;
+
+import org.apache.datasketches.memory.internal.VirtualMachineMemory;
+import org.testng.annotations.Test;
+
+@SuppressWarnings({"javadoc","unused"})
+public class VirtualMachineMemoryTest {
+
+ @Test
+ public void maxDirectBufferMemory() {
+ assert(VirtualMachineMemory.getMaxDBBMemory() >= 0);
+ }
+
+ @Test
+ public void inertPageAlignment() {
+ boolean result = VirtualMachineMemory.getIsPageAligned();
+ //System.out.println("VM page alignment:" + result);
+ assert(true); //no exception was thrown
+ }
+}
Added: dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/WritableDirectCopyTest.java
==============================================================================
--- dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/WritableDirectCopyTest.java (added)
+++ dev/datasketches/memory/2.0.0-RC1/apache-datasketches-memory-2.0.0-src/datasketches-memory-java8-tests/src/test/java/org/apache/datasketches/memory/test/WritableDirectCopyTest.java Thu Aug 19 22:18:24 2021
@@ -0,0 +1,254 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.datasketches.memory.test;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.fail;
+
+import org.apache.datasketches.memory.WritableHandle;
+import org.apache.datasketches.memory.Memory;
+import org.apache.datasketches.memory.WritableMemory;
+import org.testng.annotations.Test;
+
+/**
+ * @author Lee Rhodes
+ */
+@SuppressWarnings("javadoc")
+public class WritableDirectCopyTest {
+
+//Copy Within tests
+
+ @Test
+ public void checkCopyWithinNativeSmall() throws Exception {
+ int memCapacity = 64;
+ int half = memCapacity / 2;
+ try (WritableHandle wrh = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem = wrh.getWritable();
+ mem.clear();
+
+ for (int i = 0; i < half; i++) { //fill first half
+ mem.putByte(i, (byte) i);
+ }
+
+ mem.copyTo(0, mem, half, half);
+
+ for (int i = 0; i < half; i++) {
+ assertEquals(mem.getByte(i + half), (byte) i);
+ }
+ }
+ }
+
+ @Test
+ public void checkCopyWithinNativeLarge() throws Exception {
+ int memCapacity = (2 << 20) + 64;
+ int memCapLongs = memCapacity / 8;
+ int halfBytes = memCapacity / 2;
+ int halfLongs = memCapLongs / 2;
+ try (WritableHandle wrh = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem = wrh.getWritable();
+ mem.clear();
+
+ for (int i = 0; i < halfLongs; i++) {
+ mem.putLong(i * 8, i);
+ }
+
+ mem.copyTo(0, mem, halfBytes, halfBytes);
+
+ for (int i = 0; i < halfLongs; i++) {
+ assertEquals(mem.getLong((i + halfLongs) * 8), i);
+ }
+ }
+ }
+
+ @Test
+ public void checkCopyWithinNativeOverlap() throws Exception {
+ int memCapacity = 64;
+ try (WritableHandle wrh = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem = wrh.getWritable();
+ mem.clear();
+ //println(mem.toHexString("Clear 64", 0, memCapacity));
+
+ for (int i = 0; i < (memCapacity / 2); i++) {
+ mem.putByte(i, (byte) i);
+ }
+ //println(mem.toHexString("Set 1st 32 to ints ", 0, memCapacity));
+ mem.copyTo(0, mem, memCapacity / 4, memCapacity / 2); //overlap is OK
+ }
+ }
+
+ @Test
+ public void checkCopyWithinNativeSrcBound() throws Exception {
+ int memCapacity = 64;
+ try (WritableHandle wrh = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem = wrh.getWritable();
+ mem.copyTo(32, mem, 32, 33); //hit source bound check
+ fail("Did Not Catch Assertion Error: source bound");
+ } catch (IllegalArgumentException e) {
+ //pass
+ }
+ }
+
+ @Test
+ public void checkCopyWithinNativeDstBound() throws Exception {
+ int memCapacity = 64;
+ try (WritableHandle wrh = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem = wrh.getWritable();
+ mem.copyTo(0, mem, 32, 33); //hit dst bound check
+ fail("Did Not Catch Assertion Error: dst bound");
+ } catch (IllegalArgumentException e) {
+ //pass
+ }
+ }
+
+ @Test
+ public void checkCopyCrossNativeSmall() throws Exception {
+ int memCapacity = 64;
+
+ try (WritableHandle wrh1 = WritableMemory.allocateDirect(memCapacity);
+ WritableHandle wrh2 = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem1 = wrh1.getWritable();
+ WritableMemory mem2 = wrh2.getWritable();
+
+ for (int i = 0; i < memCapacity; i++) {
+ mem1.putByte(i, (byte) i);
+ }
+ mem2.clear();
+ mem1.copyTo(0, mem2, 0, memCapacity);
+
+ for (int i = 0; i < memCapacity; i++) {
+ assertEquals(mem2.getByte(i), (byte) i);
+ }
+ wrh1.close();
+ wrh2.close();
+ }
+ }
+
+ @Test
+ public void checkCopyCrossNativeLarge() throws Exception {
+ int memCapacity = (2 << 20) + 64;
+ int memCapLongs = memCapacity / 8;
+
+ try (WritableHandle wrh1 = WritableMemory.allocateDirect(memCapacity);
+ WritableHandle wrh2 = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem1 = wrh1.getWritable();
+ WritableMemory mem2 = wrh2.getWritable();
+
+ for (int i = 0; i < memCapLongs; i++) {
+ mem1.putLong(i * 8, i);
+ }
+ mem2.clear();
+
+ mem1.copyTo(0, mem2, 0, memCapacity);
+
+ for (int i = 0; i < memCapLongs; i++) {
+ assertEquals(mem2.getLong(i * 8), i);
+ }
+ }
+ }
+
+ @Test
+ public void checkCopyCrossNativeAndByteArray() throws Exception {
+ int memCapacity = 64;
+ try (WritableHandle wrh1 = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem1 = wrh1.getWritable();
+
+ for (int i = 0; i < mem1.getCapacity(); i++) {
+ mem1.putByte(i, (byte) i);
+ }
+
+ WritableMemory mem2 = WritableMemory.allocate(memCapacity);
+ mem1.copyTo(8, mem2, 16, 16);
+
+ for (int i = 0; i < 16; i++) {
+ assertEquals(mem1.getByte(8 + i), mem2.getByte(16 + i));
+ }
+ //println(mem2.toHexString("Mem2", 0, (int)mem2.getCapacity()));
+ }
+ }
+
+ @Test
+ public void checkCopyCrossRegionsSameNative() throws Exception {
+ int memCapacity = 128;
+
+ try (WritableHandle wrh1 = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem1 = wrh1.getWritable();
+
+ for (int i = 0; i < mem1.getCapacity(); i++) {
+ mem1.putByte(i, (byte) i);
+ }
+ //println(mem1.toHexString("Mem1", 0, (int)mem1.getCapacity()));
+
+ Memory reg1 = mem1.region(8, 16);
+ //println(reg1.toHexString("Reg1", 0, (int)reg1.getCapacity()));
+
+ WritableMemory reg2 = mem1.writableRegion(24, 16);
+ //println(reg2.toHexString("Reg2", 0, (int)reg2.getCapacity()));
+ reg1.copyTo(0, reg2, 0, 16);
+
+ for (int i = 0; i < 16; i++) {
+ assertEquals(reg1.getByte(i), reg2.getByte(i));
+ assertEquals(mem1.getByte(8 + i), mem1.getByte(24 + i));
+ }
+ //println(mem1.toHexString("Mem1", 0, (int)mem1.getCapacity()));
+ }
+ }
+
+ @Test
+ public void checkCopyCrossNativeArrayAndHierarchicalRegions() throws Exception {
+ int memCapacity = 64;
+ try (WritableHandle wrh1 = WritableMemory.allocateDirect(memCapacity)) {
+ WritableMemory mem1 = wrh1.getWritable();
+
+ for (int i = 0; i < mem1.getCapacity(); i++) { //fill with numbers
+ mem1.putByte(i, (byte) i);
+ }
+ //println(mem1.toHexString("Mem1", 0, (int)mem1.getCapacity()));
+
+ WritableMemory mem2 = WritableMemory.allocate(memCapacity);
+
+ Memory reg1 = mem1.region(8, 32);
+ Memory reg1B = reg1.region(8, 16);
+ //println(reg1.toHexString("Reg1", 0, (int)reg1.getCapacity()));
+ //println(reg1B.toHexString("Reg1B", 0, (int)reg1B.getCapacity()));
+
+ WritableMemory reg2 = mem2.writableRegion(32, 16);
+ reg1B.copyTo(0, reg2, 0, 16);
+ //println(reg2.toHexString("Reg2", 0, (int)reg2.getCapacity()));
+
+ //println(mem2.toHexString("Mem2", 0, (int)mem2.getCapacity()));
+ for (int i = 32, j = 16; i < 40; i++, j++) {
+ assertEquals(mem2.getByte(i), j);
+ }
+ }
+ }
+
+ @Test
+ public void printlnTest() {
+ println("PRINTING: " + this.getClass().getName());
+ }
+
+ /**
+ * @param s value to print
+ */
+ static void println(String s) {
+ //System.out.println(s); //disable here
+ }
+
+}
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