1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 /** 20 * @author Viacheslav G. Rybalov 21 */ 22 23 /** 24 * Created on 05.03.2005 25 */ 26 package org.apache.harmony.jpda.tests.jdwp.ClassLoaderReference; 27 28 import org.apache.harmony.jpda.tests.framework.jdwp.CommandPacket; 29 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPCommands; 30 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPConstants; 31 import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket; 32 import org.apache.harmony.jpda.tests.jdwp.share.JDWPSyncTestCase; 33 import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer; 34 35 36 /** 37 * JDWP unit test for ClassLoaderReference.VisibleClasses command. 38 */ 39 public class VisibleClassesTest extends JDWPSyncTestCase { 40 41 /** 42 * Returns full name of debuggee class which is used by this test. 43 * @return full name of debuggee class. 44 */ getDebuggeeClassName()45 protected String getDebuggeeClassName() { 46 return "org.apache.harmony.jpda.tests.jdwp.share.debuggee.HelloWorld"; 47 } 48 49 /** 50 * This testcase exercises ClassLoaderReference.VisibleClasses command. 51 * <BR>Starts <A HREF="../share/debuggee/HelloWorld.html">HelloWorld</A> debuggee. 52 * <BR>Then the following statements are checked: 53 * <BR>It is expected: 54 * <BR> - number of reference types has non-zero value; 55 * <BR> - refTypeTag takes one of the TypeTag constants: CLASS, INTERFACE, ARRAY; 56 * <BR> - All data were read; 57 */ testVisibleClasses001()58 public void testVisibleClasses001() { 59 synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY); 60 61 CommandPacket packet = new CommandPacket( 62 JDWPCommands.ClassLoaderReferenceCommandSet.CommandSetID, 63 JDWPCommands.ClassLoaderReferenceCommandSet.VisibleClassesCommand); 64 packet.setNextValueAsClassLoaderID(0); 65 ReplyPacket reply = debuggeeWrapper.vmMirror.performCommand(packet); 66 checkReplyPacket(reply, "ClassLoaderReference::VisibleClasses command"); 67 68 byte refTypeTag; 69 String refTypeTagName; 70 long typeID; 71 String msgLine; 72 73 int classes = reply.getNextValueAsInt(); 74 logWriter.println("Number of reference types = " + classes); 75 assertTrue("Invalid returned number of reference types = " + classes, classes > 0); 76 77 int printBound_1 = classes; 78 int printBound_2 = 0; 79 if (classes > 50) { 80 printBound_1 = 5; 81 printBound_2 = classes - 5; 82 } 83 for (int i = 0; i < classes; i++) { 84 refTypeTag = reply.getNextValueAsByte(); 85 refTypeTagName = JDWPConstants.TypeTag.getName(refTypeTag); 86 msgLine = "" + i + ". refTypeTag = " + refTypeTagName + "(" + refTypeTag + ")"; 87 typeID = reply.getNextValueAsReferenceTypeID(); 88 msgLine = msgLine + "; referenceTypeID = " + typeID; 89 if ( (i < printBound_1) || (i >= printBound_2) ) { 90 logWriter.println(msgLine); 91 if ( i == (printBound_1 - 1) ) { 92 logWriter.println("...\n...\n..."); 93 } 94 } 95 assertTrue("Unexpected reference TagType:<" + refTypeTag + "(" + refTypeTagName + ")>", 96 refTypeTag == JDWPConstants.TypeTag.ARRAY 97 || refTypeTag == JDWPConstants.TypeTag.CLASS 98 || refTypeTag == JDWPConstants.TypeTag.INTERFACE); 99 } 100 101 assertAllDataRead(reply); 102 synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE); 103 } 104 } 105