| /* |
| * Copyright 2014 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 com.google.common.base.Charsets.UTF_8; |
| import static io.grpc.internal.ReadableBuffers.wrap; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.junit.Test; |
| |
| /** |
| * Tests for the array-backed {@link ReadableBuffer} returned by {@link ReadableBuffers#wrap(byte[], |
| * int, int)}. |
| */ |
| public class ReadableBuffersArrayTest extends ReadableBufferTestBase { |
| |
| @Test |
| public void bufferShouldExposeArray() { |
| byte[] array = msg.getBytes(UTF_8); |
| ReadableBuffer buffer = wrap(array, 1, msg.length() - 1); |
| assertTrue(buffer.hasArray()); |
| assertSame(array, buffer.array()); |
| assertEquals(1, buffer.arrayOffset()); |
| |
| // Now read a byte and verify that the offset changes. |
| buffer.readUnsignedByte(); |
| assertEquals(2, buffer.arrayOffset()); |
| } |
| |
| @Override |
| protected ReadableBuffer buffer() { |
| return ReadableBuffers.wrap(msg.getBytes(UTF_8), 0, msg.length()); |
| } |
| } |