| // Copyright 2021 The Bazel Authors. All rights reserved. |
| // |
| // Licensed 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 |
| // |
| // http://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 com.google.devtools.build.lib.remote.zstd; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.github.luben.zstd.Zstd; |
| import com.google.common.io.ByteStreams; |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.util.Random; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link ZstdCompressingInputStream}. */ |
| @RunWith(JUnit4.class) |
| public class ZstdCompressingInputStreamTest { |
| @Test |
| public void compressionWorks() throws IOException { |
| Random rand = new Random(); |
| byte[] data = new byte[50]; |
| rand.nextBytes(data); |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream(data); |
| try (ZstdCompressingInputStream zdis = new ZstdCompressingInputStream(bais)) { |
| assertThat(Zstd.decompress(ByteStreams.toByteArray(zdis), data.length)).isEqualTo(data); |
| } |
| } |
| |
| @Test |
| public void streamCanBeCompressedWithMinimumBufferSize() throws IOException { |
| Random rand = new Random(); |
| byte[] data = new byte[50]; |
| rand.nextBytes(data); |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream(data); |
| try (ZstdCompressingInputStream zdis = |
| new ZstdCompressingInputStream(bais, ZstdCompressingInputStream.MIN_BUFFER_SIZE)) { |
| assertThat(Zstd.decompress(ByteStreams.toByteArray(zdis), data.length)).isEqualTo(data); |
| } |
| } |
| } |