275 lines
10 KiB
Java
275 lines
10 KiB
Java
/*
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* Copyright 2021 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.buffer.api.tests;
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import io.netty.buffer.api.Buffer;
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import io.netty.buffer.api.BufferAllocator;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.MethodSource;
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import java.nio.ByteBuffer;
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import static io.netty.buffer.api.CompositeBuffer.compose;
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import static org.assertj.core.api.Assertions.assertThat;
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public class BufferBulkAccessTest extends BufferTestSupport {
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@ParameterizedTest
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@MethodSource("allocators")
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void fill(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(16)) {
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assertThat(buf.fill((byte) 0xA5)).isSameAs(buf);
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buf.writerOffset(16);
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assertEquals(0xA5A5A5A5_A5A5A5A5L, buf.readLong());
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assertEquals(0xA5A5A5A5_A5A5A5A5L, buf.readLong());
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoByteArray(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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buf.writeLong(0x0102030405060708L);
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byte[] array = new byte[8];
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buf.copyInto(0, array, 0, array.length);
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assertThat(array).containsExactly(0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08);
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array = new byte[6];
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buf.copyInto(1, array, 1, 3);
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assertThat(array).containsExactly(0x00, 0x02, 0x03, 0x04, 0x00, 0x00);
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoHeapByteBuffer(Fixture fixture) {
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testCopyIntoByteBuffer(fixture, ByteBuffer::allocate);
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoDirectByteBuffer(Fixture fixture) {
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testCopyIntoByteBuffer(fixture, ByteBuffer::allocateDirect);
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoOnHeapBuf(Fixture fixture) {
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testCopyIntoBuf(fixture, BufferAllocator.onHeapUnpooled()::allocate);
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoOffHeapBuf(Fixture fixture) {
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testCopyIntoBuf(fixture, BufferAllocator.offHeapUnpooled()::allocate);
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoCompositeOnHeapOnHeapBuf(Fixture fixture) {
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try (var a = BufferAllocator.onHeapUnpooled();
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var b = BufferAllocator.onHeapUnpooled()) {
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testCopyIntoBuf(fixture, size -> {
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int first = size / 2;
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int second = size - first;
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try (var bufFirst = a.allocate(first);
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var bufSecond = b.allocate(second)) {
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return compose(a, bufFirst.send(), bufSecond.send());
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}
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});
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoCompositeOnHeapOffHeapBuf(Fixture fixture) {
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try (var a = BufferAllocator.onHeapUnpooled();
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var b = BufferAllocator.offHeapUnpooled()) {
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testCopyIntoBuf(fixture, size -> {
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int first = size / 2;
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int second = size - first;
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try (var bufFirst = a.allocate(first);
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var bufSecond = b.allocate(second)) {
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return compose(a, bufFirst.send(), bufSecond.send());
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}
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});
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoCompositeOffHeapOnHeapBuf(Fixture fixture) {
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try (var a = BufferAllocator.offHeapUnpooled();
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var b = BufferAllocator.onHeapUnpooled()) {
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testCopyIntoBuf(fixture, size -> {
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int first = size / 2;
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int second = size - first;
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try (var bufFirst = a.allocate(first);
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var bufSecond = b.allocate(second)) {
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return compose(a, bufFirst.send(), bufSecond.send());
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}
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});
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoCompositeOffHeapOffHeapBuf(Fixture fixture) {
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try (var a = BufferAllocator.offHeapUnpooled();
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var b = BufferAllocator.offHeapUnpooled()) {
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testCopyIntoBuf(fixture, size -> {
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int first = size / 2;
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int second = size - first;
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try (var bufFirst = a.allocate(first);
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var bufSecond = b.allocate(second)) {
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return compose(a, bufFirst.send(), bufSecond.send());
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}
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});
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoCompositeOnHeapOnHeapBufCopy(Fixture fixture) {
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try (var a = BufferAllocator.onHeapUnpooled();
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var b = BufferAllocator.onHeapUnpooled()) {
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testCopyIntoBuf(fixture, size -> {
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int first = size / 2;
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int second = size - first;
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try (var bufFirst = a.allocate(first);
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var bufSecond = b.allocate(second)) {
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return compose(a, bufFirst.send(), bufSecond.send()).writerOffset(size).copy();
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}
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});
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoCompositeOnHeapOffHeapBufCopy(Fixture fixture) {
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try (var a = BufferAllocator.onHeapUnpooled();
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var b = BufferAllocator.offHeapUnpooled()) {
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testCopyIntoBuf(fixture, size -> {
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int first = size / 2;
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int second = size - first;
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try (var bufFirst = a.allocate(first);
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var bufSecond = b.allocate(second)) {
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return compose(a, bufFirst.send(), bufSecond.send()).writerOffset(size).copy();
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}
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});
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoCompositeOffHeapOnHeapBufCopy(Fixture fixture) {
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try (var a = BufferAllocator.offHeapUnpooled();
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var b = BufferAllocator.onHeapUnpooled()) {
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testCopyIntoBuf(fixture, size -> {
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int first = size / 2;
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int second = size - first;
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try (var bufFirst = a.allocate(first);
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var bufSecond = b.allocate(second)) {
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return compose(a, bufFirst.send(), bufSecond.send()).writerOffset(size).copy();
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}
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});
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoCompositeOffHeapOffHeapBufCopy(Fixture fixture) {
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try (var a = BufferAllocator.offHeapUnpooled();
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var b = BufferAllocator.offHeapUnpooled()) {
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testCopyIntoBuf(fixture, size -> {
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int first = size / 2;
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int second = size - first;
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try (var bufFirst = a.allocate(first);
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var bufSecond = b.allocate(second)) {
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return compose(a, bufFirst.send(), bufSecond.send()).writerOffset(size).copy();
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}
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});
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void byteIterationOfBuffers(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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checkByteIteration(buf);
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buf.resetOffsets();
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checkByteIterationOfRegion(buf);
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void reverseByteIterationOfBuffers(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(0x28)) {
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checkReverseByteIteration(buf);
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buf.resetOffsets();
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checkReverseByteIterationOfRegion(buf);
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}
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}
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@ParameterizedTest
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@MethodSource("heapAllocators")
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public void heapBufferMustHaveZeroAddress(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThat(buf.nativeAddress()).isZero();
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}
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}
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@ParameterizedTest
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@MethodSource("directAllocators")
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public void directBufferMustHaveNonZeroAddress(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThat(buf.nativeAddress()).isNotZero();
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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public void writeBytesMustWriteAllBytesFromByteArray(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buffer = allocator.allocate(8)) {
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buffer.writeByte((byte) 1);
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buffer.writeBytes(new byte[] {2, 3, 4, 5, 6, 7});
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assertThat(buffer.writerOffset()).isEqualTo(7);
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assertThat(buffer.readerOffset()).isZero();
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assertThat(toByteArray(buffer)).containsExactly(1, 2, 3, 4, 5, 6, 7, 0);
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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public void writeBytesWithOffsetMustWriteAllBytesFromByteArray(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buffer = allocator.allocate(3)) {
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buffer.writeByte((byte) 1);
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buffer.writeBytes(new byte[] {2, 3, 4, 5, 6, 7}, 1, 2);
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assertThat(buffer.writerOffset()).isEqualTo(3);
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assertThat(buffer.readerOffset()).isZero();
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assertThat(toByteArray(buffer)).containsExactly(1, 3, 4);
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}
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}
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}
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