63 lines
2.5 KiB
Java
63 lines
2.5 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.util.Arrays;
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import static org.assertj.core.api.Assertions.assertThat;
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public class BufferWriteBytesCombinationsTest extends BufferTestSupport {
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private static final Memoize<Fixture[]> OTHER_FIXTURES = new Memoize<Fixture[]>(
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() -> Arrays.stream(allocators()).filter(filterOfTheDay(10)).toArray(Fixture[]::new));
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@ParameterizedTest
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@MethodSource("allocators")
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public void writeBytesMustTransferDataAndUpdateOffsets(Fixture fixture) {
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try (BufferAllocator alloc1 = fixture.createAllocator()) {
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// Only test 10% of available combinations. Otherwise, this takes too long.
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Fixture[] allocators = OTHER_FIXTURES.get();
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Arrays.stream(allocators).parallel().forEach(otherFixture -> {
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try (BufferAllocator alloc2 = otherFixture.createAllocator();
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Buffer target = alloc1.allocate(37);
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Buffer source = alloc2.allocate(35)) {
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verifyWriteBytes(target, source);
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} catch (Exception e) {
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e.addSuppressed(new RuntimeException("other fixture was: " + otherFixture));
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throw e;
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}
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});
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}
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}
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private static void verifyWriteBytes(Buffer target, Buffer source) {
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for (int i = 0; i < 35; i++) {
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source.writeByte((byte) (i + 1));
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}
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target.writeBytes(source);
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assertThat(target.readerOffset()).isZero();
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assertThat(target.writerOffset()).isEqualTo(35);
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assertThat(source.readerOffset()).isEqualTo(35);
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assertThat(source.writerOffset()).isEqualTo(35);
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source.readerOffset(0);
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assertReadableEquals(source, target);
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}
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}
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