| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| |
| public class STest { |
| |
| @DataProvider(name = "bufferSizes") |
| public static Object[][] bufferSizes() { |
| return new Object[][]{ |
| { 1}, |
| { 2}, |
| { 3}, |
| { 4}, |
| {16}, |
| {17}, |
| }; |
| } |
| |
| @DataProvider |
| public static Object[][] inputStream() { |
| return new Object[][] { |
| { 0, 1}, |
| { 1, 2}, |
| { 1, 3}, |
| { 1, 4}, |
| { 2, 1}, |
| { 2, 2}, |
| { 2, 3}, |
| { 2, 4}, |
| { 2, 13}, |
| { 3, 1}, |
| { 3, 2}, |
| { 3, 3}, |
| { 3, 4}, |
| { 3, 17}, |
| { 4, 1}, |
| { 4, 2}, |
| { 4, 3}, |
| { 4, 4}, |
| { 4, 5}, |
| { 13, 1}, |
| { 13, 2}, |
| { 13, 13}, |
| { 16, 18}, |
| { 17, 2}, |
| {255, 1}, |
| {256, 255}, |
| {257, 267}, |
| }; |
| } |
| |
| @Test |
| public void testScatter0() { |
| List<ByteBuffer> buffers = S.scatterBuffer( |
| ByteBuffer.allocate(0)); |
| assertEquals(buffers.size(), 0); |
| } |
| |
| @Test(dataProvider = "bufferSizes") |
| public void testScatterN(int n) { |
| final ByteBuffer src = S.bufferOfNRandomBytes(n); |
| final int srcLength = src.remaining(); |
| ByteBuffer copy = ByteBuffer.wrap(Arrays.copyOf(src.array(), |
| src.array().length)); |
| List<ByteBuffer> buffers = S.scatterBuffer(src); |
| int m = 0; |
| for (ByteBuffer b : buffers) { |
| m += b.remaining(); |
| while (b.hasRemaining() & copy.hasRemaining()) { |
| assertEquals(b.get(), copy.get()); |
| } |
| } |
| assertEquals(m, srcLength); |
| } |
| |
| @Test(dataProvider = "inputStream") |
| public void testInputStreamOfNReads(int n, int capacity) throws IOException { |
| InputStream s = S.inputStreamOfNReads(n); |
| int count = 0; |
| byte[] b = new byte[capacity]; |
| while (s.read(b) != -1) { |
| count++; |
| } |
| assertEquals(count, n); |
| assertTrue(s.read() == -1); |
| assertTrue(s.read(b) == -1); |
| } |
| } |