| /* |
| * Copyright (c) 2003, 2008, 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. |
| */ |
| |
| /* |
| * @test |
| * @summary Test that SnmpOid hashCode is consistent with equals. |
| * @bug 4955105 |
| * @build SnmpOidHashCode |
| * @run main SnmpOidHashCode |
| */ |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationTargetException; |
| |
| public class SnmpOidHashCode { |
| public static final String[] oids = { |
| "1.1.1.1.1.1.1.1.1", |
| "1.1.1.1.1.1.1.1", |
| "1.1.1.1.2.1.1.1.1", |
| "1.1.1.1.1.2.1.1.1", |
| "1.3.2", |
| "2.3.1", |
| "1.2.67."+Integer.MAX_VALUE+"."+Integer.MAX_VALUE+ |
| "."+Integer.MAX_VALUE+"."+Integer.MAX_VALUE+"."+Integer.MAX_VALUE+ |
| "1", |
| "1.2."+0xFFFFFFFFL+".3."+0xFFFFFFFFL+".4."+0xFFFFFFFFL+ |
| ".5."+0xFFFFFFFFL+".6."+0xFFFFFFFFL+".7."+0xFFFFFFFFL+ |
| ".8."+0xFFFFFFFFL+".9."+0xFFFFFFFFL+".10."+0xFFFFFFFFL+ |
| ".11."+0xFFFFFFFFL+".12."+0xFFFFFFFFL+".13."+0xFFFFFFFFL+ |
| ".14."+0xFFFFFFFFL+".15."+0xFFFFFFFFL+".16."+0xFFFFFFFFL+ |
| ".17."+0xFFFFFFFFL+".18."+0xFFFFFFFFL+".19."+0xFFFFFFFFL+ |
| ".20."+0xFFFFFFFFL+".21."+0xFFFFFFFFL+".22."+0xFFFFFFFFL+ |
| ".23."+0xFFFFFFFFL+".24."+0xFFFFFFFFL+".25."+0xFFFFFFFFL+ |
| ".26."+0xFFFFFFFFL+".27."+0xFFFFFFFFL+".28."+0xFFFFFFFFL+ |
| ".29."+0xFFFFFFFFL+ |
| ".30."+0xFFFFFFFFL+".31."+0xFFFFFFFFL+".32."+0xFFFFFFFFL+ |
| ".33."+0xFFFFFFFFL+".34."+0xFFFFFFFFL+".35."+0xFFFFFFFFL+ |
| ".36."+0xFFFFFFFFL+".37."+0xFFFFFFFFL+".38."+0xFFFFFFFFL+ |
| ".39."+0xFFFFFFFFL |
| }; |
| |
| // We use an SnmpOidBuilder in order to adapt this test case to a |
| // configuration where the SNMP packages are not present in rt.jar. |
| // |
| public static final class SnmpOidBuilder { |
| public static final String SNMP_OID_CLASS_NAME = |
| "com.sun.jmx.snmp.SnmpOid"; |
| private static final Class<?> SNMP_OID_CLASS; |
| private static final Constructor<?> SNMP_OID_CTOR; |
| static { |
| Class<?> snmpOidClass; |
| try { |
| snmpOidClass = |
| Class.forName(SNMP_OID_CLASS_NAME, true, null); |
| } catch (ClassNotFoundException x) { |
| snmpOidClass = null; |
| System.err.println("WARNING: can't load "+SNMP_OID_CLASS_NAME); |
| } catch (NoClassDefFoundError x) { |
| snmpOidClass = null; |
| System.err.println("WARNING: can't load "+SNMP_OID_CLASS_NAME); |
| } |
| SNMP_OID_CLASS = snmpOidClass; |
| if (SNMP_OID_CLASS != null) { |
| try { |
| SNMP_OID_CTOR = snmpOidClass.getConstructor(String.class); |
| } catch (Exception x) { |
| throw new ExceptionInInitializerError(x); |
| } |
| } else { |
| SNMP_OID_CTOR = null; |
| } |
| } |
| |
| public static boolean isSnmpPresent() { |
| System.out.println(SnmpOidHashCode.class.getName()+ |
| ": Testing for SNMP Packages..."); |
| return SNMP_OID_CLASS != null; |
| } |
| |
| public static Object newSnmpOid(String oid) |
| throws InstantiationException, |
| IllegalAccessException, |
| InvocationTargetException { |
| return SNMP_OID_CTOR.newInstance(oid); |
| } |
| |
| } |
| |
| private static Object newSnmpOid(String oid) throws Exception { |
| try { |
| return SnmpOidBuilder.newSnmpOid(oid); |
| } catch (InvocationTargetException x) { |
| final Throwable cause = x.getCause(); |
| if (cause instanceof Exception) throw (Exception)cause; |
| if (cause instanceof Error) throw (Error)cause; |
| throw x; |
| } |
| } |
| |
| public static void main(String args[]) { |
| if (!SnmpOidBuilder.isSnmpPresent()) { |
| System.err.println("WARNING: "+ |
| SnmpOidBuilder.SNMP_OID_CLASS_NAME+" not present."); |
| System.err.println(SnmpOidHashCode.class.getName()+ |
| ": test skipped."); |
| return; |
| } |
| try { |
| int errCount=0; |
| int collisions=0; |
| for (int i=0;i<oids.length;i++) { |
| System.out.println("Testing " + oids[i]); |
| final Object o1 = newSnmpOid(oids[i]); |
| final int startCount=errCount; |
| for (int j=0;j<oids.length;j++) { |
| final Object o2 = newSnmpOid(oids[j]); |
| if (o1.equals(o2)) { |
| if (!(oids[i].equals(oids[j]))) { |
| System.err.println("OIDs differ but " + |
| "equals yields true: " + |
| "\n\to1="+oids[i]+ |
| "\n\to2="+oids[j]); |
| errCount++; |
| } |
| if (o1.hashCode() != o2.hashCode()) { |
| System.err.println("OIDs are equal but " + |
| "hashCode differ:" + |
| "\n\thashCode("+o1+")="+ |
| o1.hashCode()+", "+ |
| "\n\thashCode("+o2+")="+ |
| o2.hashCode()); |
| errCount++; |
| } |
| } else { |
| if (oids[i].equals(oids[j])) { |
| System.err.println("OIDs are equal but " + |
| "equals yields false: " + |
| "\n\to1="+oids[i]+ |
| "\n\to2="+oids[j]); |
| errCount++; |
| } |
| if (o1.hashCode() == o2.hashCode()) collisions++; |
| } |
| } |
| if (errCount == startCount) |
| System.out.println("*** Test Passed for: " + o1); |
| else |
| System.out.println("*** Test Failed (" + |
| (errCount - startCount) + ") for: " |
| + o1); |
| } |
| |
| if (errCount == 0) { |
| System.out.println("*** -----------------------------------"); |
| System.out.println("*** Test SnmpOidHashCode " + |
| "succesfully passed (" + collisions + |
| " collisions)."); |
| System.out.println("*** -----------------------------------"); |
| } else { |
| System.err.println("*** -----------------------------------"); |
| System.err.println("*** Test SnmpOidHashCode failed: " + |
| errCount + " failures (" + collisions + |
| " collisions)."); |
| System.err.println("*** -----------------------------------"); |
| System.exit(1); |
| } |
| } catch(Exception x) { |
| x.printStackTrace(); |
| System.exit(2); |
| } |
| } |
| } |