1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jdk.incubator.http.internal.websocket; 25 26 import org.testng.annotations.Test; 27 import jdk.incubator.http.internal.websocket.Frame.HeaderWriter; 28 import jdk.incubator.http.internal.websocket.Frame.Opcode; 29 30 import java.nio.ByteBuffer; 31 import java.util.OptionalInt; 32 33 import static java.util.OptionalInt.empty; 34 import static java.util.OptionalInt.of; 35 import static org.testng.Assert.assertEquals; 36 import static jdk.incubator.http.internal.websocket.TestSupport.assertThrows; 37 import static jdk.incubator.http.internal.websocket.TestSupport.forEachPermutation; 38 39 public class HeaderWriterTest { 40 41 private long cases, frames; 42 43 @Test 44 public void negativePayload() { 45 System.out.println("testing negative payload"); 46 HeaderWriter w = new HeaderWriter(); 47 assertThrows(IllegalArgumentException.class, 48 ".*(?i)negative.*", 49 () -> w.payloadLen(-1)); 50 } 51 52 @Test 53 public void test() { 54 System.out.println("testing regular payloads"); 55 final long[] payloads = {0, 126, 65536, Integer.MAX_VALUE + 1L}; 56 final OptionalInt[] masks = {empty(), of(-1), of(0), of(0xCAFEBABE), 57 of(Integer.MAX_VALUE), of(Integer.MIN_VALUE)}; 58 for (boolean fin : new boolean[]{true, false}) { 59 for (boolean rsv1 : new boolean[]{true, false}) { 60 for (boolean rsv2 : new boolean[]{true, false}) { 61 for (boolean rsv3 : new boolean[]{true, false}) { 62 for (Opcode opcode : Opcode.values()) { 63 for (long payloadLen : payloads) { 64 for (OptionalInt mask : masks) { 65 verify(fin, rsv1, rsv2, rsv3, opcode, payloadLen, mask); 66 } 67 } 68 } 69 } 70 } 71 } 72 } 73 System.out.println("Frames: " + frames + ", Total cases: " + cases); 74 } 75 76 private void verify(boolean fin, 77 boolean rsv1, 78 boolean rsv2, 79 boolean rsv3, 80 Opcode opcode, 81 long payloadLen, 82 OptionalInt mask) { 83 frames++; 84 HeaderWriter writer = new HeaderWriter(); 85 ByteBuffer expected = ByteBuffer.allocate(Frame.MAX_HEADER_SIZE_BYTES); 86 writer.fin(fin).rsv1(rsv1).rsv2(rsv2).rsv3(rsv3).opcode(opcode).payloadLen(payloadLen); 87 mask.ifPresentOrElse(writer::mask, writer::noMask); 88 writer.write(expected); 89 expected.flip(); 90 verifyPermutations(expected, writer, 91 () -> writer.fin(fin), 92 () -> writer.rsv1(rsv1), 93 () -> writer.rsv2(rsv2), 94 () -> writer.rsv3(rsv3), 95 () -> writer.opcode(opcode), 96 () -> writer.payloadLen(payloadLen), 97 () -> mask.ifPresentOrElse(writer::mask, writer::noMask)); 98 } 99 100 private void verifyPermutations(ByteBuffer expected, 101 HeaderWriter writer, 102 Runnable... actions) { 103 forEachPermutation(actions.length, 104 order -> { 105 cases++; 106 for (int i : order) { 107 actions[i].run(); 108 } 109 ByteBuffer actual = ByteBuffer.allocate(Frame.MAX_HEADER_SIZE_BYTES + 2); 110 writer.write(actual); 111 actual.flip(); 112 assertEquals(actual, expected); 113 }); 114 } 115 }