305 lines
11 KiB
Java
305 lines
11 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;
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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 java.nio.ByteOrder.BIG_ENDIAN;
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import static java.nio.ByteOrder.LITTLE_ENDIAN;
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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.order(BIG_ENDIAN).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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buf.writerOffset(0).order(LITTLE_ENDIAN).writeLong(0x0102030405060708L);
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buf.copyInto(0, array, 0, array.length);
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assertThat(array).containsExactly(0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01);
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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, 0x07, 0x06, 0x05, 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.heap()::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.direct()::allocate);
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void copyIntoOnHeapBufSlice(Fixture fixture) {
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try (BufferAllocator allocator = BufferAllocator.heap();
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Scope scope = new Scope()) {
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testCopyIntoBuf(fixture, size -> {
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return scope.add(allocator.allocate(size)).writerOffset(size).slice();
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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 copyIntoOffHeapBufSlice(Fixture fixture) {
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try (BufferAllocator allocator = BufferAllocator.direct();
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Scope scope = new Scope()) {
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testCopyIntoBuf(fixture, size -> {
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return scope.add(allocator.allocate(size)).writerOffset(size).slice();
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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 copyIntoCompositeOnHeapOnHeapBuf(Fixture fixture) {
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try (var a = BufferAllocator.heap();
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var b = BufferAllocator.heap()) {
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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 Buffer.compose(a, bufFirst, bufSecond);
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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.heap();
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var b = BufferAllocator.direct()) {
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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 Buffer.compose(a, bufFirst, bufSecond);
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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.direct();
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var b = BufferAllocator.heap()) {
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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 Buffer.compose(a, bufFirst, bufSecond);
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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.direct();
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var b = BufferAllocator.direct()) {
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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 Buffer.compose(a, bufFirst, bufSecond);
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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 copyIntoCompositeOnHeapOnHeapBufSlice(Fixture fixture) {
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try (var a = BufferAllocator.heap();
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var b = BufferAllocator.heap();
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var scope = new Scope()) {
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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 scope.add(Buffer.compose(a, bufFirst, bufSecond)).writerOffset(size).slice();
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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 copyIntoCompositeOnHeapOffHeapBufSlice(Fixture fixture) {
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try (var a = BufferAllocator.heap();
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var b = BufferAllocator.direct();
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var scope = new Scope()) {
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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 scope.add(Buffer.compose(a, bufFirst, bufSecond)).writerOffset(size).slice();
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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 copyIntoCompositeOffHeapOnHeapBufSlice(Fixture fixture) {
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try (var a = BufferAllocator.direct();
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var b = BufferAllocator.heap();
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var scope = new Scope()) {
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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 scope.add(Buffer.compose(a, bufFirst, bufSecond)).writerOffset(size).slice();
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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 copyIntoCompositeOffHeapOffHeapBufSlice(Fixture fixture) {
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try (var a = BufferAllocator.direct();
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var b = BufferAllocator.direct();
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var scope = new Scope()) {
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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 scope.add(Buffer.compose(a, bufFirst, bufSecond)).writerOffset(size).slice();
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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 byteIterationOfBigEndianBuffers(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(0x28)) {
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buf.order(BIG_ENDIAN); // The byte order should have no impact.
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checkByteIteration(buf);
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buf.reset();
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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 byteIterationOfLittleEndianBuffers(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(0x28)) {
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buf.order(LITTLE_ENDIAN); // The byte order should have no impact.
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checkByteIteration(buf);
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buf.reset();
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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 reverseByteIterationOfBigEndianBuffers(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(0x28)) {
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buf.order(BIG_ENDIAN); // The byte order should have no impact.
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checkReverseByteIteration(buf);
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buf.reset();
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checkReverseByteIterationOfRegion(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 reverseByteIterationOfLittleEndianBuffers(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(0x28)) {
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buf.order(LITTLE_ENDIAN); // The byte order should have no impact.
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checkReverseByteIteration(buf);
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buf.reset();
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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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}
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