Github user dschneider-pivotal commented on a diff in the pull request:
https://github.com/apache/incubator-geode/pull/60#discussion_r47720130
--- Diff:
gemfire-core/src/test/java/com/gemstone/gemfire/internal/offheap/GemFireChunkJUnitTest.java
---
@@ -0,0 +1,945 @@
+/*
+ * 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 com.gemstone.gemfire.internal.offheap;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import com.gemstone.gemfire.LogWriter;
+import com.gemstone.gemfire.compression.Compressor;
+import com.gemstone.gemfire.internal.DSCODE;
+import com.gemstone.gemfire.internal.HeapDataOutputStream;
+import com.gemstone.gemfire.internal.Version;
+import com.gemstone.gemfire.internal.cache.BytesAndBitsForCompactor;
+import com.gemstone.gemfire.internal.cache.CachePerfStats;
+import com.gemstone.gemfire.internal.cache.EntryEventImpl;
+import com.gemstone.gemfire.internal.cache.RegionEntryContext;
+import com.gemstone.gemfire.internal.offheap.MemoryBlock.State;
+import com.gemstone.gemfire.test.junit.categories.UnitTest;
+
+@Category(UnitTest.class)
+public class GemFireChunkJUnitTest extends AbstractStoredObjectTestBase {
+
+ private MemoryAllocator ma;
+
+ static {
+ ClassLoader.getSystemClassLoader().setDefaultAssertionStatus(true);
+ }
+
+ @Before
+ public void setUp() {
+ OutOfOffHeapMemoryListener ooohml =
mock(OutOfOffHeapMemoryListener.class);
+ OffHeapMemoryStats stats = mock(OffHeapMemoryStats.class);
+ LogWriter lw = mock(LogWriter.class);
+
+ ma = SimpleMemoryAllocatorImpl.create(ooohml, stats, lw, 3,
OffHeapStorage.MIN_SLAB_SIZE * 3, OffHeapStorage.MIN_SLAB_SIZE);
+ }
+
+ @After
+ public void tearDown() {
+ SimpleMemoryAllocatorImpl.freeOffHeapMemory();
+ }
+
+ @Override
+ public Object getValue() {
+ return Long.valueOf(Long.MAX_VALUE);
+ }
+
+ @Override
+ public byte[] getValueAsByteArray() {
+ return convertValueToByteArray(getValue());
+ }
+
+ private byte[] convertValueToByteArray(Object value) {
+ return ByteBuffer.allocate(Long.SIZE / Byte.SIZE).putLong((Long)
value).array();
+ }
+
+ @Override
+ public Object convertByteArrayToObject(byte[] valueInByteArray) {
+ return ByteBuffer.wrap(valueInByteArray).getLong();
+ }
+
+ @Override
+ public Object convertSerializedByteArrayToObject(byte[]
valueInSerializedByteArray) {
+ return EntryEventImpl.deserialize(valueInSerializedByteArray);
+ }
+
+ @Override
+ public GemFireChunk createValueAsUnserializedStoredObject(Object value) {
+ byte[] valueInByteArray;
+ if (value instanceof Long) {
+ valueInByteArray = convertValueToByteArray(value);
+ } else {
+ valueInByteArray = (byte[]) value;
+ }
+
+ boolean isSerialized = false;
+ boolean isCompressed = false;
+
+ return createChunk(valueInByteArray, isSerialized, isCompressed);
+ }
+
+ @Override
+ public GemFireChunk createValueAsSerializedStoredObject(Object value) {
+ byte[] valueInSerializedByteArray = EntryEventImpl.serialize(value);
+
+ boolean isSerialized = true;
+ boolean isCompressed = false;
+
+ return createChunk(valueInSerializedByteArray, isSerialized,
isCompressed);
+ }
+
+ private GemFireChunk createChunk(byte[] v, boolean isSerialized, boolean
isCompressed) {
+ GemFireChunk chunk = (GemFireChunk) ma.allocateAndInitialize(v,
isSerialized, isCompressed, GemFireChunk.TYPE);
+ chunk.setSerializedValue(v);
+ chunk.setCompressed(isCompressed);
+ chunk.setSerialized(isSerialized);
+
+ return chunk;
+ }
+
+ @Test
+ public void chunkCanBeCreatedFromAnotherChunk() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+
+ GemFireChunk newChunk = new GemFireChunk(chunk);
+
+ assertNotNull(newChunk);
+
assertThat(newChunk.getMemoryAddress()).isEqualTo(chunk.getMemoryAddress());
+
+ chunk.release();
+ }
+
+ @Test
+ public void chunkCanBeCreatedWithOnlyMemoryAddress() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+
+ GemFireChunk newChunk = new GemFireChunk(chunk.getMemoryAddress());
+
+ assertNotNull(newChunk);
+
assertThat(newChunk.getMemoryAddress()).isEqualTo(chunk.getMemoryAddress());
+
+ chunk.release();
+ }
+
+ @Test
+ public void chunkSliceCanBeCreatedFromAnotherChunk() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+
+ int position = 1;
+ int end = 2;
+
+ GemFireChunk newChunk = (GemFireChunk) chunk.slice(position, end);
+
+ assertNotNull(newChunk);
+ assertThat(newChunk.getClass()).isEqualTo(GemFireChunkSlice.class);
+
assertThat(newChunk.getMemoryAddress()).isEqualTo(chunk.getMemoryAddress());
+
+ chunk.release();
+ }
+
+ @Test
+ public void
fillSerializedValueShouldFillWrapperWithSerializedValueIfValueIsSerialized() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ // mock the things
+ BytesAndBitsForCompactor wrapper =
mock(BytesAndBitsForCompactor.class);
+
+ byte userBits = 0;
+ byte serializedUserBits = 1;
+ chunk.fillSerializedValue(wrapper, userBits);
+
+ verify(wrapper, times(1)).setChunkData(chunk, serializedUserBits);
+
+ chunk.release();
+ }
+
+ @Test
+ public void
fillSerializedValueShouldFillWrapperWithDeserializedValueIfValueIsNotSerialized()
{
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+
+ // mock the things
+ BytesAndBitsForCompactor wrapper =
mock(BytesAndBitsForCompactor.class);
+
+ byte userBits = 1;
+ chunk.fillSerializedValue(wrapper, userBits);
+
+ verify(wrapper, times(1)).setChunkData(chunk, userBits);
+
+ chunk.release();
+ }
+
+ @Test
+ public void getShortClassNameShouldReturnShortClassName() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ assertThat(chunk.getShortClassName()).isEqualTo("GemFireChunk");
+
+ chunk.release();
+ }
+
+ @Test
+ public void chunksAreEqualsOnlyByAddress() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ GemFireChunk newChunk = new GemFireChunk(chunk.getMemoryAddress());
+ assertThat(chunk.equals(newChunk)).isTrue();
+
+ GemFireChunk chunkWithSameValue =
createValueAsUnserializedStoredObject(getValue());
+ assertThat(chunk.equals(chunkWithSameValue)).isFalse();
+
+ Object someObject = getValue();
+ assertThat(chunk.equals(someObject)).isFalse();
+
+ chunk.release();
+ chunkWithSameValue.release();
+ }
+
+ @Test
+ public void chunksShouldBeComparedBySize() {
+ GemFireChunk chunk1 = createValueAsSerializedStoredObject(getValue());
+
+ GemFireChunk chunk2 = chunk1;
+ assertThat(chunk1.compareTo(chunk2)).isEqualTo(0);
+
+ GemFireChunk chunkWithSameValue =
createValueAsSerializedStoredObject(getValue());
+
assertThat(chunk1.compareTo(chunkWithSameValue)).isEqualTo(Long.signum(chunk1.getMemoryAddress()
- chunkWithSameValue.getMemoryAddress()));
+
+ GemFireChunk chunk3 =
createValueAsSerializedStoredObject(Long.MAX_VALUE);
+ GemFireChunk chunk4 =
createValueAsSerializedStoredObject(Long.MAX_VALUE);
+
+ int newSizeForChunk3 = 2;
+ int newSizeForChunk4 = 3;
+
+
assertThat(chunk3.compareTo(chunk4)).isEqualTo(Integer.signum(newSizeForChunk3
- newSizeForChunk4));
+
+ chunk1.release();
+ chunk4.release();
+ }
+
+ @Test
+ public void setSerializedShouldSetTheSerializedBit() {
+ Object regionEntryValue = getValue();
+ byte[] regionEntryValueAsBytes =
convertValueToByteArray(regionEntryValue);
+
+ boolean isSerialized = false;
+ boolean isCompressed = false;
+
+ GemFireChunk chunk = (GemFireChunk)
ma.allocateAndInitialize(regionEntryValueAsBytes, isSerialized, isCompressed,
GemFireChunk.TYPE);
+ chunk.setSerializedValue(regionEntryValueAsBytes);
+
+ int headerBeforeSerializedBitSet =
UnsafeMemoryChunk.readAbsoluteIntVolatile(chunk.getMemoryAddress() + 4/*
REF_COUNT_OFFSET */);
+
+ assertThat(chunk.isSerialized()).isFalse();
+
+ chunk.setSerialized(true); // set to true
+
+ assertThat(chunk.isSerialized()).isTrue();
+
+ int headerAfterSerializedBitSet =
UnsafeMemoryChunk.readAbsoluteIntVolatile(chunk.getMemoryAddress() + 4/*
REF_COUNT_OFFSET */);
+
+
assertThat(headerAfterSerializedBitSet).isEqualTo(headerBeforeSerializedBitSet
| 0x80000000/* IS_SERIALIZED_BIT */);
+
+ chunk.release();
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void setSerialziedShouldThrowExceptionIfChunkIsAlreadyReleased() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.release();
+ chunk.setSerialized(true);
+
+ chunk.release();
+ }
+
+ @Test
+ public void setCompressedShouldSetTheCompressedBit() {
+ Object regionEntryValue = getValue();
+ byte[] regionEntryValueAsBytes =
convertValueToByteArray(regionEntryValue);
+
+ boolean isSerialized = false;
+ boolean isCompressed = false;
+
+ GemFireChunk chunk = (GemFireChunk)
ma.allocateAndInitialize(regionEntryValueAsBytes, isSerialized, isCompressed,
GemFireChunk.TYPE);
+ chunk.setSerializedValue(regionEntryValueAsBytes);
+
+ int headerBeforeCompressedBitSet =
UnsafeMemoryChunk.readAbsoluteIntVolatile(chunk.getMemoryAddress() + 4/*
REF_COUNT_OFFSET */);
+
+ assertThat(chunk.isCompressed()).isFalse();
+
+ chunk.setCompressed(true); // set to true
+
+ assertThat(chunk.isCompressed()).isTrue();
+
+ int headerAfterCompressedBitSet =
UnsafeMemoryChunk.readAbsoluteIntVolatile(chunk.getMemoryAddress() + 4/*
REF_COUNT_OFFSET */);
+
+
assertThat(headerAfterCompressedBitSet).isEqualTo(headerBeforeCompressedBitSet
| 0x40000000/* IS_SERIALIZED_BIT */);
+
+ chunk.release();
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void setCompressedShouldThrowExceptionIfChunkIsAlreadyReleased() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.release();
+ chunk.setCompressed(true);
+
+ chunk.release();
+ }
+
+ @Test
+ public void setDataSizeShouldSetTheDataSizeBits() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+
+ int beforeSize = chunk.getDataSize();
+
+ chunk.setDataSize(2);
+
+ int afterSize = chunk.getDataSize();
+
+ assertThat(afterSize).isEqualTo(2);
+ assertThat(afterSize).isNotEqualTo(beforeSize);
+
+ chunk.release();
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void setDataSizeShouldThrowExceptionIfChunkIsAlreadyReleased() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.release();
+ chunk.setDataSize(1);
+
+ chunk.release();
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void
initializeUseCountShouldThrowIllegalStateExceptionIfChunkIsAlreadyRetained() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.retain();
+ chunk.initializeUseCount();
+
+ chunk.release();
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void
initializeUseCountShouldThrowIllegalStateExceptionIfChunkIsAlreadyReleased() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.release();
+ chunk.initializeUseCount();
+
+ chunk.release();
+ }
+
+ @Test
+ public void isSerializedPdxInstanceShouldReturnTrueIfItsPDXInstance() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ byte[] serailizedValue = chunk.getSerializedValue();
+ serailizedValue[0] = DSCODE.PDX;
+ chunk.setSerializedValue(serailizedValue);
+
+ assertThat(chunk.isSerializedPdxInstance()).isTrue();
+
+ serailizedValue = chunk.getSerializedValue();
+ serailizedValue[0] = DSCODE.PDX_ENUM;
+ chunk.setSerializedValue(serailizedValue);
+
+ assertThat(chunk.isSerializedPdxInstance()).isTrue();
+
+ serailizedValue = chunk.getSerializedValue();
+ serailizedValue[0] = DSCODE.PDX_INLINE_ENUM;
+ chunk.setSerializedValue(serailizedValue);
+
+ assertThat(chunk.isSerializedPdxInstance()).isTrue();
+
+ chunk.release();
+ }
+
+ @Test
+ public void
isSerializedPdxInstanceShouldReturnFalseIfItsNotPDXInstance() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+ assertThat(chunk.isSerializedPdxInstance()).isFalse();
+
+ chunk.release();
+ }
+
+ @Test
+ public void checkDataEqualsByChunk() {
+ GemFireChunk chunk1 = createValueAsSerializedStoredObject(getValue());
+ GemFireChunk sameAsChunk1 = chunk1;
+
+ assertThat(chunk1.checkDataEquals(sameAsChunk1)).isTrue();
+
+ GemFireChunk unserializedChunk =
createValueAsUnserializedStoredObject(getValue());
+ assertThat(chunk1.checkDataEquals(unserializedChunk)).isFalse();
+
+ GemFireChunk chunkDifferBySize =
createValueAsSerializedStoredObject(getValue());
+ chunkDifferBySize.setSize(0);
+ assertThat(chunk1.checkDataEquals(chunkDifferBySize)).isFalse();
+
+ GemFireChunk chunkDifferByValue =
createValueAsSerializedStoredObject(Long.MAX_VALUE - 1);
+ assertThat(chunk1.checkDataEquals(chunkDifferByValue)).isFalse();
+
+ GemFireChunk newChunk1 =
createValueAsSerializedStoredObject(getValue());
+ assertThat(chunk1.checkDataEquals(newChunk1)).isTrue();
+
+ chunk1.release();
+ unserializedChunk.release();
+ chunkDifferBySize.release();
+ chunkDifferByValue.release();
+ newChunk1.release();
+ }
+
+ @Test
+ public void checkDataEqualsBySerializedValue() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+ assertThat(chunk.checkDataEquals(new byte[1])).isFalse();
+
+ GemFireChunk chunkDifferByValue =
createValueAsSerializedStoredObject(Long.MAX_VALUE - 1);
+
assertThat(chunk.checkDataEquals(chunkDifferByValue.getSerializedValue())).isFalse();
+
+ GemFireChunk newChunk =
createValueAsSerializedStoredObject(getValue());
+
assertThat(chunk.checkDataEquals(newChunk.getSerializedValue())).isTrue();
+
+ chunk.release();
+ chunkDifferByValue.release();
+ newChunk.release();
+ }
+
+ @Test
+ public void
getDecompressedBytesShouldReturnDecompressedBytesIfCompressed() {
+ Object regionEntryValue = getValue();
+ byte[] regionEntryValueAsBytes =
convertValueToByteArray(regionEntryValue);
+
+ boolean isSerialized = true;
+ boolean isCompressed = true;
+
+ GemFireChunk chunk = (GemFireChunk)
ma.allocateAndInitialize(regionEntryValueAsBytes, isSerialized, isCompressed,
GemFireChunk.TYPE);
+ chunk.setSerializedValue(regionEntryValueAsBytes);
+ chunk.setCompressed(isCompressed);
+ chunk.setSerialized(isSerialized);
+
+ RegionEntryContext regionContext = mock(RegionEntryContext.class);
+ CachePerfStats cacheStats = mock(CachePerfStats.class);
+ Compressor compressor = mock(Compressor.class);
+
+ long startTime = 10000L;
+
+ // mock required things
+ when(regionContext.getCompressor()).thenReturn(compressor);
+
when(compressor.decompress(regionEntryValueAsBytes)).thenReturn(regionEntryValueAsBytes);
+ when(regionContext.getCachePerfStats()).thenReturn(cacheStats);
+ when(cacheStats.startDecompression()).thenReturn(startTime);
+
+ // invoke the thing
+ byte[] bytes = chunk.getDecompressedBytes(regionContext);
+
+ // verify the thing happened
+ verify(cacheStats, atLeastOnce()).startDecompression();
+ verify(compressor, times(1)).decompress(regionEntryValueAsBytes);
+ verify(cacheStats, atLeastOnce()).endDecompression(startTime);
+
+ assertArrayEquals(regionEntryValueAsBytes, bytes);
+
+ chunk.release();
+ }
+
+ @Test
+ public void incSizeShouldIncrementSize() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ int beforeSize = chunk.getSize();
+
+ chunk.incSize(1);
+ assertThat(chunk.getSize()).isEqualTo(beforeSize + 1);
+
+ chunk.incSize(2);
+ assertThat(chunk.getSize()).isEqualTo(beforeSize + 1 + 2);
+
+ chunk.release();
+ }
+
+ @Test
+ public void readyForFreeShouldResetTheRefCount() {
+ Chunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ int refCountBeforeFreeing = chunk.getRefCount();
+ assertThat(refCountBeforeFreeing).isEqualTo(1);
+
+ chunk.readyForFree();
+
+ int refCountAfterFreeing = chunk.getRefCount();
+ assertThat(refCountAfterFreeing).isEqualTo(0);
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void readyForAllocationShouldThrowExceptionIfAlreadyAllocated() {
+ Chunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ // chunk is already allocated when we created it, so calling
readyForAllocation should throw exception.
+ chunk.readyForAllocation(GemFireChunk.TYPE);
+
+ chunk.release();
+ }
+
+ @Test
+ public void checkIsAllocatedShouldReturnIfAllocated() {
+ Chunk chunk = createValueAsSerializedStoredObject(getValue());
+ chunk.checkIsAllocated();
+
+ chunk.release();
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void checkIsAllocatedShouldThrowExceptionIfNotAllocated() {
+ Chunk chunk = createValueAsSerializedStoredObject(getValue());
+ chunk.release();
+ chunk.checkIsAllocated();
+
+ chunk.release();
+ }
+
+ @Test
+ public void
sendToShouldWriteSerializedValueToDataOutputIfValueIsSerialized() throws
IOException {
+ Chunk chunk = createValueAsSerializedStoredObject(getValue());
+ Chunk spyChunk = spy(chunk);
+
+ HeapDataOutputStream dataOutput = mock(HeapDataOutputStream.class);
+ ByteBuffer directByteBuffer = ByteBuffer.allocate(1024);
+
+ doReturn(directByteBuffer).when(spyChunk).createDirectByteBuffer();
+ doNothing().when(dataOutput).write(directByteBuffer);
+
+ spyChunk.sendTo(dataOutput);
+
+ verify(dataOutput, times(1)).write(directByteBuffer);
+
+ chunk.release();
+ }
+
+ @Test
+ public void
sendToShouldWriteUnserializedValueToDataOutputIfValueIsUnserialized() throws
IOException {
+ byte[] regionEntryValue = getValueAsByteArray();
+ GemFireChunk chunk =
createValueAsUnserializedStoredObject(regionEntryValue);
+
+ // writeByte is a final method and cannot be mocked, so creating a
real one
+ HeapDataOutputStream dataOutput = new
HeapDataOutputStream(Version.CURRENT);
+
+ chunk.sendTo(dataOutput);
+
+ byte[] actual = dataOutput.toByteArray();
+
+ byte[] expected = new byte[regionEntryValue.length + 2];
+ expected[0] = DSCODE.BYTE_ARRAY;
+ expected[1] = (byte) regionEntryValue.length;
+ System.arraycopy(regionEntryValue, 0, expected, 2,
regionEntryValue.length);
+
+ assertNotNull(dataOutput);
+ assertThat(actual).isEqualTo(expected);
+
+ chunk.release();
+ }
+
+ @Test
+ public void sendAsByteArrayShouldWriteValueToDataOutput() throws
IOException {
+ byte[] regionEntryValue = getValueAsByteArray();
+ GemFireChunk chunk =
createValueAsUnserializedStoredObject(regionEntryValue);
+
+ // writeByte is a final method and cannot be mocked, so creating a
real one
+ HeapDataOutputStream dataOutput = new
HeapDataOutputStream(Version.CURRENT);
+
+ chunk.sendAsByteArray(dataOutput);
+
+ byte[] actual = dataOutput.toByteArray();
+
+ byte[] expected = new byte[regionEntryValue.length + 1];
+ expected[0] = (byte) regionEntryValue.length;
+ System.arraycopy(regionEntryValue, 0, expected, 1,
regionEntryValue.length);
+
+ assertNotNull(dataOutput);
+ assertThat(actual).isEqualTo(expected);
+
+ chunk.release();
+ }
+
+ @Test
+ public void createDirectByteBufferShouldCreateAByteBuffer() {
+ byte[] regionEntryValue = getValueAsByteArray();
+
+ GemFireChunk chunk =
createValueAsUnserializedStoredObject(regionEntryValue);
+
+ ByteBuffer buffer = chunk.createDirectByteBuffer();
+
+ byte[] actual = new byte[regionEntryValue.length];
+ buffer.get(actual);
+
+ assertArrayEquals(regionEntryValue, actual);
+
+ chunk.release();
+ }
+
+ @Test
+ public void getDirectByteBufferShouldCreateAByteBuffer() {
+ byte[] regionEntryValue = getValueAsByteArray();
+ GemFireChunk chunk =
createValueAsUnserializedStoredObject(regionEntryValue);
+
+ ByteBuffer buffer = chunk.createDirectByteBuffer();
+ long bufferAddress = Chunk.getDirectByteBufferAddress(buffer);
+
+ // returned address should be starting of the value (after skipping
HEADER_SIZE bytes)
+ assertEquals(chunk.getMemoryAddress() + Chunk.OFF_HEAP_HEADER_SIZE,
bufferAddress);
+
+ chunk.release();
+ }
+
+ @Test(expected = AssertionError.class)
+ public void getAddressForReadingShouldFailIfItsOutsideOfChunk() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+ chunk.getAddressForReading(0, chunk.getDataSize() + 1);
+
+ chunk.release();
+ }
+
+ @Test
+ public void getAddressForReadingShouldReturnDataAddressFromGivenOffset()
{
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ int offset = 1;
+ long requestedAddress = chunk.getAddressForReading(offset, 1);
+
+ assertThat(requestedAddress).isEqualTo(chunk.getBaseDataAddress() +
offset);
+
+ chunk.release();
+ }
+
+ @Test
+ public void getSizeInBytesShouldReturnSize() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+ assertThat(chunk.getSizeInBytes()).isEqualTo(chunk.getSize());
+
+ chunk.release();
+ }
+
+ @Test(expected = AssertionError.class)
+ public void getUnsafeAddressShouldFailIfOffsetIsNegative() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+ chunk.getUnsafeAddress(-1, 1);
+
+ chunk.release();
+ }
+
+ @Test(expected = AssertionError.class)
+ public void getUnsafeAddressShouldFailIfSizeIsNegative() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+ chunk.getUnsafeAddress(1, -1);
+
+ chunk.release();
+ }
+
+ @Test(expected = AssertionError.class)
+ public void getUnsafeAddressShouldFailIfItsOutsideOfChunk() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+ chunk.getUnsafeAddress(0, chunk.getDataSize() + 1);
+
+ chunk.release();
+ }
+
+ @Test
+ public void getUnsafeAddressShouldReturnUnsafeAddress() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ int offset = 1;
+ long unsafeAddress = chunk.getUnsafeAddress(offset, 1);
+
+ assertThat(unsafeAddress).isEqualTo(chunk.getBaseDataAddress() +
offset);
+
+ chunk.release();
+ }
+
+ @Test(expected = AssertionError.class)
+ public void readByteAndWriteByteShouldFailIfOffsetIsOutside() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ chunk.readByte(chunk.getDataSize() + 1);
+
+ chunk.writeByte(chunk.getDataSize() + 1, Byte.MAX_VALUE);
+
+ chunk.release();
+ }
+
+ @Test
+ public void writeByteShouldWriteAtCorrectLocation() {
+ GemFireChunk chunk = createValueAsSerializedStoredObject(getValue());
+
+ byte valueBeforeWrite = chunk.readByte(2);
+
+ Byte expected = Byte.MAX_VALUE;
+ chunk.writeByte(2, expected);
+
+ Byte actual = chunk.readByte(2);
+
+ assertThat(actual).isNotEqualTo(valueBeforeWrite);
+ assertThat(actual).isEqualTo(expected);
+
+ chunk.release();
+ }
+
+ @Test
+ public void retainShouldIncrementRefCount() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ assertThat(chunk.getRefCount()).isEqualTo(1);
+
+ chunk.retain();
+ assertThat(chunk.getRefCount()).isEqualTo(2);
+
+ chunk.retain();
+ assertThat(chunk.getRefCount()).isEqualTo(3);
+
+ chunk.release();
+ chunk.release();
+ chunk.release();
+ boolean retainAfterRelease = chunk.retain();
+
+ assertThat(retainAfterRelease).isFalse();
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void retainShouldThrowExceptionAfterMaxNumberOfTimesRetained() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+
+ // max retain Chunk.MAX_REF_COUNT
+ int MAX_REF_COUNT = 0xFFFF;
+
+ // loop though and invoke retain for MAX_REF_COUNT-1 times, as create
chunk above counted as one reference
+ for (int i = 0; i < MAX_REF_COUNT - 1; i++)
+ chunk.retain();
+
+ // invoke for the one more time should throw exception
+ chunk.retain();
+ }
+
+ @Test
+ public void releaseShouldDecrementRefCount() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ assertThat(chunk.getRefCount()).isEqualTo(1);
+
+ chunk.retain();
+ chunk.retain();
+ assertThat(chunk.getRefCount()).isEqualTo(3);
+
+ chunk.release();
+ assertThat(chunk.getRefCount()).isEqualTo(2);
+
+ chunk.release();
+ assertThat(chunk.getRefCount()).isEqualTo(1);
+
+ chunk.retain();
+ chunk.release();
+ assertThat(chunk.getRefCount()).isEqualTo(1);
+
+ chunk.release();
+ assertThat(chunk.getRefCount()).isEqualTo(0);
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void releaseShouldThrowExceptionIfChunkIsAlreadyReleased() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.release();
+ chunk.release();
+ }
+
+ @Test
+ public void testToStringForOffHeapByteSource() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+
+ String expected = ":<dataSize=" + chunk.getDataSize() + " refCount=" +
chunk.getRefCount() + " addr=" + Long.toHexString(chunk.getMemoryAddress()) +
">";
+ assertThat(chunk.toStringForOffHeapByteSource()).endsWith(expected);
+
+ // test toString
+ Chunk spy = spy(chunk);
+ spy.toString();
+ verify(spy, times(1)).toStringForOffHeapByteSource();
+
+ chunk.release();
+ }
+
+ @Test
+ public void getStateShouldReturnAllocatedIfRefCountIsGreaterThanZero() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ assertEquals(State.ALLOCATED, chunk.getState());
+
+ chunk.release();
+ }
+
+ @Test
+ public void getStateShouldReturnDeallocatedIfRefCountIsZero() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.release();
+ assertEquals(State.DEALLOCATED, chunk.getState());
+ }
+
+ @Test(expected = UnsupportedOperationException.class)
+ public void getNextBlockShouldThrowUnSupportedOperationException() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.getNextBlock();
+
+ chunk.release();
+ }
+
+ @Test
+ public void getBlockSizeShouldBeSameSameGetSize() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ assertEquals(chunk.getSize(), chunk.getBlockSize());
+
+ chunk.release();
+ }
+
+ @Test(expected = UnsupportedOperationException.class)
+ public void copyBytesShouldThrowUnSupportedOperationException() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.copyBytes(1, 2, 1);
+
+ chunk.release();
+ }
+
+ @Test(expected = UnsupportedOperationException.class)
+ public void getSlabIdShouldThrowUnSupportedOperationException() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ chunk.getSlabId();
+
+ chunk.release();
+ }
+
+ @Test
+ public void getFreeListIdShouldReturnMinusOne() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ assertThat(chunk.getFreeListId()).isEqualTo(-1);
+
+ chunk.release();
+ }
+
+ @Test
+ public void getDataTypeShouldReturnNull() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ assertThat(chunk.getDataType()).isNull();
+
+ chunk.release();
+ }
+
+ @Test
+ public void getDataDataShouldReturnNull() {
+ GemFireChunk chunk = createValueAsUnserializedStoredObject(getValue());
+ assertThat(chunk.getDataValue()).isNull();
+ }
+
+ @Test(expected = UnsupportedOperationException.class)
+ public void getRawBytesShouldThrowExceptionIfValueIsCompressed() {
+ Object regionEntryValue = getValue();
+ byte[] regionEntryValueAsBytes =
convertValueToByteArray(regionEntryValue);
+
+ boolean isSerialized = true;
+ boolean isCompressed = true;
+
+ GemFireChunk chunk = (GemFireChunk)
ma.allocateAndInitialize(regionEntryValueAsBytes, isSerialized, isCompressed,
GemFireChunk.TYPE);
+ chunk.setSerializedValue(regionEntryValueAsBytes);
+ chunk.setCompressed(isCompressed);
+ chunk.setSerialized(isSerialized);
+
+ chunk.getRawBytes();
+
+ chunk.release();
+ }
+
+ @Test
+ public void getSerializedValueShouldSerializeTheValue() {
+ Object regionEntryValue = getValue();
+ byte[] regionEntryValueAsBytes =
convertValueToByteArray(regionEntryValue);
+
+ boolean isSerialized = false;
+ boolean isCompressed = false;
+
+ GemFireChunk chunk = (GemFireChunk)
ma.allocateAndInitialize(regionEntryValueAsBytes, isSerialized, isCompressed,
GemFireChunk.TYPE);
+ chunk.setSerializedValue(regionEntryValueAsBytes);
--- End diff --
remove the calls to setSerializedValue, setSerialized, and setCompressed
since allocateAndInitialize call them
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
