netty-incubator-buffer-api/buffer-tests/src/test/java/io/netty/buffer/api/tests/BufferBulkAccessTest.java

275 lines
10 KiB
Java

/*
* Copyright 2021 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.netty.buffer.api.tests;
import io.netty.buffer.api.Buffer;
import io.netty.buffer.api.BufferAllocator;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import java.nio.ByteBuffer;
import static io.netty.buffer.api.CompositeBuffer.compose;
import static org.assertj.core.api.Assertions.assertThat;
public class BufferBulkAccessTest extends BufferTestSupport {
@ParameterizedTest
@MethodSource("allocators")
void fill(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(16)) {
assertThat(buf.fill((byte) 0xA5)).isSameAs(buf);
buf.writerOffset(16);
assertEquals(0xA5A5A5A5_A5A5A5A5L, buf.readLong());
assertEquals(0xA5A5A5A5_A5A5A5A5L, buf.readLong());
}
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoByteArray(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
buf.writeLong(0x0102030405060708L);
byte[] array = new byte[8];
buf.copyInto(0, array, 0, array.length);
assertThat(array).containsExactly(0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08);
array = new byte[6];
buf.copyInto(1, array, 1, 3);
assertThat(array).containsExactly(0x00, 0x02, 0x03, 0x04, 0x00, 0x00);
}
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoHeapByteBuffer(Fixture fixture) {
testCopyIntoByteBuffer(fixture, ByteBuffer::allocate);
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoDirectByteBuffer(Fixture fixture) {
testCopyIntoByteBuffer(fixture, ByteBuffer::allocateDirect);
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoOnHeapBuf(Fixture fixture) {
testCopyIntoBuf(fixture, BufferAllocator.onHeapUnpooled()::allocate);
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoOffHeapBuf(Fixture fixture) {
testCopyIntoBuf(fixture, BufferAllocator.offHeapUnpooled()::allocate);
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoCompositeOnHeapOnHeapBuf(Fixture fixture) {
try (var a = BufferAllocator.onHeapUnpooled();
var b = BufferAllocator.onHeapUnpooled()) {
testCopyIntoBuf(fixture, size -> {
int first = size / 2;
int second = size - first;
try (var bufFirst = a.allocate(first);
var bufSecond = b.allocate(second)) {
return compose(a, bufFirst.send(), bufSecond.send());
}
});
}
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoCompositeOnHeapOffHeapBuf(Fixture fixture) {
try (var a = BufferAllocator.onHeapUnpooled();
var b = BufferAllocator.offHeapUnpooled()) {
testCopyIntoBuf(fixture, size -> {
int first = size / 2;
int second = size - first;
try (var bufFirst = a.allocate(first);
var bufSecond = b.allocate(second)) {
return compose(a, bufFirst.send(), bufSecond.send());
}
});
}
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoCompositeOffHeapOnHeapBuf(Fixture fixture) {
try (var a = BufferAllocator.offHeapUnpooled();
var b = BufferAllocator.onHeapUnpooled()) {
testCopyIntoBuf(fixture, size -> {
int first = size / 2;
int second = size - first;
try (var bufFirst = a.allocate(first);
var bufSecond = b.allocate(second)) {
return compose(a, bufFirst.send(), bufSecond.send());
}
});
}
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoCompositeOffHeapOffHeapBuf(Fixture fixture) {
try (var a = BufferAllocator.offHeapUnpooled();
var b = BufferAllocator.offHeapUnpooled()) {
testCopyIntoBuf(fixture, size -> {
int first = size / 2;
int second = size - first;
try (var bufFirst = a.allocate(first);
var bufSecond = b.allocate(second)) {
return compose(a, bufFirst.send(), bufSecond.send());
}
});
}
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoCompositeOnHeapOnHeapBufCopy(Fixture fixture) {
try (var a = BufferAllocator.onHeapUnpooled();
var b = BufferAllocator.onHeapUnpooled()) {
testCopyIntoBuf(fixture, size -> {
int first = size / 2;
int second = size - first;
try (var bufFirst = a.allocate(first);
var bufSecond = b.allocate(second)) {
return compose(a, bufFirst.send(), bufSecond.send()).writerOffset(size).copy();
}
});
}
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoCompositeOnHeapOffHeapBufCopy(Fixture fixture) {
try (var a = BufferAllocator.onHeapUnpooled();
var b = BufferAllocator.offHeapUnpooled()) {
testCopyIntoBuf(fixture, size -> {
int first = size / 2;
int second = size - first;
try (var bufFirst = a.allocate(first);
var bufSecond = b.allocate(second)) {
return compose(a, bufFirst.send(), bufSecond.send()).writerOffset(size).copy();
}
});
}
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoCompositeOffHeapOnHeapBufCopy(Fixture fixture) {
try (var a = BufferAllocator.offHeapUnpooled();
var b = BufferAllocator.onHeapUnpooled()) {
testCopyIntoBuf(fixture, size -> {
int first = size / 2;
int second = size - first;
try (var bufFirst = a.allocate(first);
var bufSecond = b.allocate(second)) {
return compose(a, bufFirst.send(), bufSecond.send()).writerOffset(size).copy();
}
});
}
}
@ParameterizedTest
@MethodSource("allocators")
void copyIntoCompositeOffHeapOffHeapBufCopy(Fixture fixture) {
try (var a = BufferAllocator.offHeapUnpooled();
var b = BufferAllocator.offHeapUnpooled()) {
testCopyIntoBuf(fixture, size -> {
int first = size / 2;
int second = size - first;
try (var bufFirst = a.allocate(first);
var bufSecond = b.allocate(second)) {
return compose(a, bufFirst.send(), bufSecond.send()).writerOffset(size).copy();
}
});
}
}
@ParameterizedTest
@MethodSource("allocators")
void byteIterationOfBuffers(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
checkByteIteration(buf);
buf.resetOffsets();
checkByteIterationOfRegion(buf);
}
}
@ParameterizedTest
@MethodSource("allocators")
void reverseByteIterationOfBuffers(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(0x28)) {
checkReverseByteIteration(buf);
buf.resetOffsets();
checkReverseByteIterationOfRegion(buf);
}
}
@ParameterizedTest
@MethodSource("heapAllocators")
public void heapBufferMustHaveZeroAddress(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThat(buf.nativeAddress()).isZero();
}
}
@ParameterizedTest
@MethodSource("directAllocators")
public void directBufferMustHaveNonZeroAddress(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThat(buf.nativeAddress()).isNotZero();
}
}
@ParameterizedTest
@MethodSource("allocators")
public void writeBytesMustWriteAllBytesFromByteArray(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buffer = allocator.allocate(8)) {
buffer.writeByte((byte) 1);
buffer.writeBytes(new byte[] {2, 3, 4, 5, 6, 7});
assertThat(buffer.writerOffset()).isEqualTo(7);
assertThat(buffer.readerOffset()).isZero();
assertThat(toByteArray(buffer)).containsExactly(1, 2, 3, 4, 5, 6, 7, 0);
}
}
@ParameterizedTest
@MethodSource("allocators")
public void writeBytesWithOffsetMustWriteAllBytesFromByteArray(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buffer = allocator.allocate(3)) {
buffer.writeByte((byte) 1);
buffer.writeBytes(new byte[] {2, 3, 4, 5, 6, 7}, 1, 2);
assertThat(buffer.writerOffset()).isEqualTo(3);
assertThat(buffer.readerOffset()).isZero();
assertThat(toByteArray(buffer)).containsExactly(1, 3, 4);
}
}
}