| /* |
| * Copyright 2015, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package io.grpc.internal; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Abstract base class for tests of {@link WritableBuffer} subclasses. |
| */ |
| @RunWith(JUnit4.class) |
| public abstract class WritableBufferTestBase { |
| |
| /** |
| * Returns a new buffer for every test case with |
| * at least 100 byte of capacity. |
| */ |
| protected abstract WritableBuffer buffer(); |
| |
| /** |
| * Bytes written to {@link #buffer()}. |
| */ |
| protected abstract byte[] writtenBytes(); |
| |
| @Test(expected = RuntimeException.class) |
| public void testWriteNegativeLength() { |
| buffer().write(new byte[1], 0, -1); |
| } |
| |
| @Test(expected = IndexOutOfBoundsException.class) |
| public void testWriteNegativeSrcIndex() { |
| buffer().write(new byte[1], -1, 0); |
| } |
| |
| @Test(expected = IndexOutOfBoundsException.class) |
| public void testWriteSrcIndexAndLengthExceedSrcLength() { |
| buffer().write(new byte[10], 1, 10); |
| } |
| |
| @Test(expected = IndexOutOfBoundsException.class) |
| public void testWriteSrcIndexAndLengthExceedWritableBytes() { |
| buffer().write(new byte[buffer().writableBytes()], 1, buffer().writableBytes()); |
| } |
| |
| @Test |
| public void testWritableAndReadableBytes() { |
| int before = buffer().writableBytes(); |
| buffer().write(new byte[10], 0, 5); |
| |
| assertEquals(5, before - buffer().writableBytes()); |
| assertEquals(5, buffer().readableBytes()); |
| } |
| |
| @Test |
| public void testWriteSrcIndex() { |
| byte[] b = new byte[10]; |
| for (byte i = 5; i < 10; i++) { |
| b[i] = i; |
| } |
| |
| buffer().write(b, 5, 5); |
| |
| assertEquals(5, buffer().readableBytes()); |
| byte[] writtenBytes = writtenBytes(); |
| assertEquals(5, writtenBytes.length); |
| for (int i = 0; i < writtenBytes.length; i++) { |
| assertEquals(5 + i, writtenBytes[i]); |
| } |
| } |
| |
| @Test |
| public void testMultipleWrites() { |
| byte[] b = new byte[100]; |
| for (byte i = 0; i < b.length; i++) { |
| b[i] = i; |
| } |
| |
| // Write in chunks of 10 bytes |
| for (int i = 0; i < 10; i++) { |
| buffer().write(b, 10 * i, 10); |
| assertEquals(10 * (i + 1), buffer().readableBytes()); |
| } |
| |
| assertArrayEquals(b, writtenBytes()); |
| } |
| } |