145 lines
5.4 KiB
Java
145 lines
5.4 KiB
Java
/*
|
|
* Copyright 2017 The Netty Project
|
|
*
|
|
* The Netty Project 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:
|
|
*
|
|
* https://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 io.netty5.buffer;
|
|
|
|
import static org.junit.jupiter.api.Assertions.assertEquals;
|
|
import static org.junit.jupiter.api.Assertions.assertTrue;
|
|
import static org.junit.jupiter.api.Assertions.fail;
|
|
|
|
import io.netty5.util.internal.PlatformDependent;
|
|
import org.junit.jupiter.api.Test;
|
|
|
|
public abstract class AbstractByteBufAllocatorTest<T extends AbstractByteBufAllocator> extends ByteBufAllocatorTest {
|
|
|
|
@Override
|
|
protected abstract T newAllocator(boolean preferDirect);
|
|
|
|
protected abstract T newUnpooledAllocator();
|
|
|
|
@Override
|
|
protected boolean isDirectExpected(boolean preferDirect) {
|
|
return preferDirect && PlatformDependent.hasUnsafe();
|
|
}
|
|
|
|
@Override
|
|
protected final int defaultMaxCapacity() {
|
|
return AbstractByteBufAllocator.DEFAULT_MAX_CAPACITY;
|
|
}
|
|
|
|
@Override
|
|
protected final int defaultMaxComponents() {
|
|
return AbstractByteBufAllocator.DEFAULT_MAX_COMPONENTS;
|
|
}
|
|
|
|
@Test
|
|
public void testCalculateNewCapacity() {
|
|
testCalculateNewCapacity(true);
|
|
testCalculateNewCapacity(false);
|
|
}
|
|
|
|
private void testCalculateNewCapacity(boolean preferDirect) {
|
|
T allocator = newAllocator(preferDirect);
|
|
assertEquals(8, allocator.calculateNewCapacity(1, 8));
|
|
assertEquals(7, allocator.calculateNewCapacity(1, 7));
|
|
assertEquals(64, allocator.calculateNewCapacity(1, 129));
|
|
assertEquals(AbstractByteBufAllocator.CALCULATE_THRESHOLD,
|
|
allocator.calculateNewCapacity(AbstractByteBufAllocator.CALCULATE_THRESHOLD,
|
|
AbstractByteBufAllocator.CALCULATE_THRESHOLD + 1));
|
|
assertEquals(AbstractByteBufAllocator.CALCULATE_THRESHOLD * 2,
|
|
allocator.calculateNewCapacity(AbstractByteBufAllocator.CALCULATE_THRESHOLD + 1,
|
|
AbstractByteBufAllocator.CALCULATE_THRESHOLD * 4));
|
|
try {
|
|
allocator.calculateNewCapacity(8, 7);
|
|
fail();
|
|
} catch (IllegalArgumentException e) {
|
|
// expected
|
|
}
|
|
|
|
try {
|
|
allocator.calculateNewCapacity(-1, 8);
|
|
fail();
|
|
} catch (IllegalArgumentException e) {
|
|
// expected
|
|
}
|
|
}
|
|
|
|
@Test
|
|
public void testUnsafeHeapBufferAndUnsafeDirectBuffer() {
|
|
T allocator = newUnpooledAllocator();
|
|
ByteBuf directBuffer = allocator.directBuffer();
|
|
assertInstanceOf(directBuffer,
|
|
PlatformDependent.hasUnsafe() ? UnpooledUnsafeDirectByteBuf.class : UnpooledDirectByteBuf.class);
|
|
directBuffer.release();
|
|
|
|
ByteBuf heapBuffer = allocator.heapBuffer();
|
|
assertInstanceOf(heapBuffer,
|
|
PlatformDependent.hasUnsafe() ? UnpooledUnsafeHeapByteBuf.class : UnpooledHeapByteBuf.class);
|
|
heapBuffer.release();
|
|
}
|
|
|
|
protected static void assertInstanceOf(ByteBuf buffer, Class<? extends ByteBuf> clazz) {
|
|
// Unwrap if needed
|
|
assertTrue(clazz.isInstance(buffer instanceof SimpleLeakAwareByteBuf ? buffer.unwrap() : buffer));
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
@Test
|
|
public void testUsedDirectMemory() {
|
|
T allocator = newAllocator(true);
|
|
ByteBufAllocatorMetric metric = ((ByteBufAllocatorMetricProvider) allocator).metric();
|
|
assertEquals(0, metric.usedDirectMemory());
|
|
ByteBuf buffer = allocator.directBuffer(1024, 4096);
|
|
int capacity = buffer.capacity();
|
|
assertEquals(expectedUsedMemory(allocator, capacity), metric.usedDirectMemory());
|
|
|
|
// Double the size of the buffer
|
|
buffer.capacity(capacity << 1);
|
|
capacity = buffer.capacity();
|
|
assertEquals(expectedUsedMemory(allocator, capacity), metric.usedDirectMemory(), buffer.toString());
|
|
|
|
buffer.release();
|
|
assertEquals(expectedUsedMemoryAfterRelease(allocator, capacity), metric.usedDirectMemory());
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
@Test
|
|
public void testUsedHeapMemory() {
|
|
T allocator = newAllocator(true);
|
|
ByteBufAllocatorMetric metric = ((ByteBufAllocatorMetricProvider) allocator).metric();
|
|
|
|
assertEquals(0, metric.usedHeapMemory());
|
|
ByteBuf buffer = allocator.heapBuffer(1024, 4096);
|
|
int capacity = buffer.capacity();
|
|
assertEquals(expectedUsedMemory(allocator, capacity), metric.usedHeapMemory());
|
|
|
|
// Double the size of the buffer
|
|
buffer.capacity(capacity << 1);
|
|
capacity = buffer.capacity();
|
|
assertEquals(expectedUsedMemory(allocator, capacity), metric.usedHeapMemory());
|
|
|
|
buffer.release();
|
|
assertEquals(expectedUsedMemoryAfterRelease(allocator, capacity), metric.usedHeapMemory());
|
|
}
|
|
|
|
protected long expectedUsedMemory(T allocator, int capacity) {
|
|
return capacity;
|
|
}
|
|
|
|
protected long expectedUsedMemoryAfterRelease(T allocator, int capacity) {
|
|
return 0;
|
|
}
|
|
}
|