1 /* 2 * Copyright (c) 2000, 2020, 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 /* @test 25 * @summary Unit test for buffers 26 * @bug 4413135 4414911 4416536 4416562 4418782 4471053 4472779 4490253 4523725 27 * 4526177 4463011 4660660 4661219 4663521 4782970 4804304 4938424 5029431 28 * 5071718 6231529 6221101 6234263 6535542 6591971 6593946 6795561 7190219 29 * 7199551 8065556 8149469 8230665 30 * @modules java.base/java.nio:open 31 * java.base/jdk.internal.misc 32 * @author Mark Reinhold 33 */ 34 35 36 import java.io.PrintStream; 37 38 import java.nio.Buffer; 39 import java.nio.ByteBuffer; 40 import java.nio.CharBuffer; 41 42 43 public class Basic { 44 45 static PrintStream out = System.err; 46 47 static long ic(int i) { 48 int j = i % 54; 49 return j + 'a' + ((j > 26) ? 128 : 0); 50 } 51 52 static String toString(Buffer b) { 53 return (b.getClass().getName() 54 + "[pos=" + b.position() 55 + " lim=" + b.limit() 56 + " cap=" + b.capacity() 57 + "]"); 58 } 59 60 static void show(int level, Buffer b) { 61 for (int i = 0; i < level; i++) 62 out.print(" "); 63 out.println(toString(b) + " " + Integer.toHexString(b.hashCode())); 64 } 65 66 static void fail(String s) { 67 throw new RuntimeException(s); 68 } 69 70 static void fail(String s, Buffer b) { 71 throw new RuntimeException(s + ": " + toString(b)); 72 } 73 74 static void fail(String s, Buffer b, Buffer b2) { 75 throw new RuntimeException(s + ": " 76 + toString(b) + ", " + toString(b2)); 77 } 78 79 static void fail(Buffer b, 80 String expected, char expectedChar, 81 String got, char gotChar) 82 { 83 if (b instanceof ByteBuffer) { 84 ByteBuffer bb = (ByteBuffer)b; 85 int n = Math.min(16, bb.limit()); 86 for (int i = 0; i < n; i++) 87 out.print(" " + Integer.toHexString(bb.get(i) & 0xff)); 88 out.println(); 89 } 90 if (b instanceof CharBuffer) { 91 CharBuffer bb = (CharBuffer)b; 92 int n = Math.min(16, bb.limit()); 93 for (int i = 0; i < n; i++) 94 out.print(" " + Integer.toHexString(bb.get(i) & 0xffff)); 95 out.println(); 96 } 97 throw new RuntimeException(toString(b) 98 + ": Expected '" + expectedChar + "'=0x" 99 + expected 100 + ", got '" + gotChar + "'=0x" 101 + got); 102 } 103 104 static void fail(Buffer b, long expected, long got) { 105 fail(b, 106 Long.toHexString(expected), (char)expected, 107 Long.toHexString(got), (char)got); 108 } 109 110 static void ck(Buffer b, boolean cond) { 111 if (!cond) 112 fail("Condition failed", b); 113 } 114 115 static void ck(Buffer b, long got, long expected) { 116 if (expected != got) 117 fail(b, expected, got); 118 } 119 120 static void ck(Buffer b, float got, float expected) { 121 if (expected != got) 122 fail(b, 123 Float.toString(expected), (char)expected, 124 Float.toString(got), (char)got); 125 } 126 127 static void ck(Buffer b, double got, double expected) { 128 if (expected != got) 129 fail(b, 130 Double.toString(expected), (char)expected, 131 Double.toString(got), (char)got); 132 } 133 134 public static void main(String[] args) { 135 BasicByte.test(); 136 BasicChar.test(); 137 BasicShort.test(); 138 BasicInt.test(); 139 BasicLong.test(); 140 BasicFloat.test(); 141 BasicDouble.test(); 142 } 143 144 }