| /* |
| * Copyright 2016 The gRPC Authors |
| * |
| * 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 io.grpc.internal; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotSame; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit test for IoUtils. */ |
| @RunWith(JUnit4.class) |
| public class IoUtilsTest { |
| |
| @Test |
| public void testRoundTrip() throws Exception { |
| byte[] bytes = { 1, 2, 3, -127, 100, 127}; |
| InputStream is = new ByteArrayInputStream(bytes); |
| byte[] bytes2 = IoUtils.toByteArray(is); |
| |
| assertNotSame(bytes2, bytes); |
| assertEquals(bytes.length, bytes2.length); |
| for (int i = 0; i < bytes.length; ++i) { |
| assertEquals(bytes[i], bytes2[i]); |
| } |
| } |
| |
| @Test |
| public void testEmpty() throws Exception { |
| InputStream is = new ByteArrayInputStream(new byte[0]); |
| byte[] bytes = IoUtils.toByteArray(is); |
| |
| assertEquals(0, bytes.length); |
| } |
| } |