| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.harmony.jpda.tests.jdwp.ObjectReference; |
| |
| import java.util.Random; |
| |
| import org.apache.harmony.jpda.tests.framework.jdwp.CommandPacket; |
| import org.apache.harmony.jpda.tests.framework.jdwp.JDWPCommands; |
| import org.apache.harmony.jpda.tests.framework.jdwp.JDWPConstants; |
| import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket; |
| import org.apache.harmony.jpda.tests.framework.jdwp.Value; |
| import org.apache.harmony.jpda.tests.jdwp.share.JDWPSyncTestCase; |
| import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer; |
| |
| public class ReferringObjectsTest extends JDWPSyncTestCase { |
| |
| static final int testStatusPassed = 0; |
| |
| static final int testStatusFailed = -1; |
| |
| static int maxReferrers; |
| |
| static final String thisCommandName = "ObjectReference.ReferringObjects command"; |
| |
| static final String debuggeeSignature = "Lorg/apache/harmony/jpda/tests/jdwp/ObjectReference/ReferringObjectsDebuggee;"; |
| |
| static final String referreeObjSignature = "Lorg/apache/harmony/jpda/tests/jdwp/ObjectReference/ReferringObjectsReferree001;"; |
| |
| static final String referrerObjSignature = "Lorg/apache/harmony/jpda/tests/jdwp/ObjectReference/ReferringObjectsReferrer001;"; |
| |
| protected String getDebuggeeClassName() { |
| return "org.apache.harmony.jpda.tests.jdwp.ObjectReference.ReferringObjectsDebuggee"; |
| } |
| |
| /** |
| * This testcase exercises ObjectReference.ReferringObjects command. |
| * <BR>The test starts ReferringObjectsDebuggee class, requests referree objectID, |
| * for this class by ReferenceType.Instances command, then performs ObjectReference.ReferringObjects |
| * command and checks that returned instances are equal to the expected referrer objects. Since maxReferrers |
| * equals zero, all instances are returned. |
| */ |
| public void testReferringObjects_MaxReferrersIsZero() { |
| maxReferrers = 0; |
| DoTestReferringObjects(); |
| } |
| |
| /** |
| * This testcase exercises ObjectReference.ReferringObjects command. |
| * <BR>The test starts ReferringObjectsDebuggee class, requests referree objectID, |
| * for this class by ReferenceType.Instances command, then performs ObjectReference.ReferringObjects |
| * command and checks that returned instances are equal to the expected referrer objects. Since maxReferrers |
| * is more than the number of referrer objects, all instances are returned. |
| */ |
| public void testReferringObjects_MaxReferrersIsLarge() { |
| maxReferrers = 20; |
| DoTestReferringObjects(); |
| } |
| |
| /** |
| * This testcase exercises ObjectReference.ReferringObjects command. |
| * <BR>The test starts ReferringObjectsDebuggee class, requests referree objectID, |
| * for this class by ReferenceType.Instances command, then performs ObjectReference.ReferringObjects |
| * command and checks that returned instances are equal to the expected referrer objects. Since maxReferrers |
| * is less than the number of referrer objects, the number of instances returned is equal to maxReferrers. |
| */ |
| public void testReferringObjects_MaxReferrersIsSmall() { |
| maxReferrers = 1; |
| DoTestReferringObjects(); |
| } |
| |
| /** |
| * This is the real body of the testcase which exercises ObjectReference.ReferringObjects command. |
| * <BR>The test starts ReferringObjectsDebuggee class, requests referree objectID, |
| * for this class by ReferenceType.Instances command, then performs ObjectReference.ReferringObjects |
| * command and checks that returned instances are equal to the expected referrer objects. |
| */ |
| public void DoTestReferringObjects() { |
| String thisTestName = getName(); |
| |
| logWriter.println("==> " + thisTestName + " for " + thisCommandName + ": START..."); |
| synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY); |
| |
| // Get the number of referrer objects in ReferringObjectsDebugee |
| long debuggeeRefTypeID = getClassIDBySignature(debuggeeSignature); |
| long referringObjNumID = debuggeeWrapper.vmMirror.getFieldID( |
| debuggeeRefTypeID, "referringObjNum"); |
| long[] fieldIDs = new long[1]; |
| fieldIDs[0] = referringObjNumID; |
| Value[] values = debuggeeWrapper.vmMirror.getReferenceTypeValues( |
| debuggeeRefTypeID, fieldIDs); |
| int expectedReferringObjNum = values[0].getIntValue(); |
| |
| logWriter.println("=> ReferringObjNum in debuggee is: " + expectedReferringObjNum); |
| |
| if(maxReferrers > 0) { |
| expectedReferringObjNum = (maxReferrers > expectedReferringObjNum) ? expectedReferringObjNum : maxReferrers; |
| } |
| |
| // Compose Instances command to get referree objectID |
| CommandPacket InstancesCommand = new CommandPacket( |
| JDWPCommands.ReferenceTypeCommandSet.CommandSetID, |
| JDWPCommands.ReferenceTypeCommandSet.InstancesCommand); |
| |
| long referreeObjTypeID = getClassIDBySignature(referreeObjSignature); |
| InstancesCommand.setNextValueAsReferenceTypeID(referreeObjTypeID); |
| InstancesCommand.setNextValueAsInt(1); |
| |
| ReplyPacket checkedReply = debuggeeWrapper.vmMirror.performCommand(InstancesCommand); |
| InstancesCommand = null; |
| |
| // Get the number of instances that returned. |
| int objNum = checkedReply.getNextValueAsInt(); |
| // Get the tagged-objectID |
| byte tag = checkedReply.getNextValueAsByte(); |
| long objectID = checkedReply.getNextValueAsObjectID(); |
| |
| // Compose ReferringObjects commnad |
| CommandPacket ReferringObjectsCommand = new CommandPacket( |
| JDWPCommands.ObjectReferenceCommandSet.CommandSetID, |
| JDWPCommands.ObjectReferenceCommandSet.ReferringObjectsCommand); |
| |
| ReferringObjectsCommand.setNextValueAsObjectID(objectID); |
| ReferringObjectsCommand.setNextValueAsInt(maxReferrers); |
| |
| // Perform ReferringObjects command and attain reply package |
| checkedReply = debuggeeWrapper.vmMirror |
| .performCommand(ReferringObjectsCommand); |
| ReferringObjectsCommand = null; |
| |
| // Get referrer objects numbers |
| int referringObjects = checkedReply.getNextValueAsInt(); |
| assertEquals(thisCommandName + "returned instances number is wrong.", expectedReferringObjNum, referringObjects,null,null); |
| |
| long referrerTypeID = getClassIDBySignature(referrerObjSignature); |
| long referrerFieldID = debuggeeWrapper.vmMirror.getFieldID( |
| referrerTypeID, "isReferrer"); |
| |
| // Check the returned objects are referrer objects |
| for (int i = 0; i < referringObjects; i++) { |
| //Get the tagged-objectID |
| tag = checkedReply.getNextValueAsByte(); |
| assertEquals(thisCommandName |
| + "returned object tag is invalid.", 'L', tag, null, null); |
| |
| objectID = checkedReply.getNextValueAsObjectID(); |
| logWriter.println("=> ObjectID is: " + objectID); |
| values = debuggeeWrapper.vmMirror.getObjectReferenceValues( |
| objectID, new long[] { referrerFieldID }); |
| boolean isReferrer = values[0].getBooleanValue(); |
| if (!isReferrer) { |
| printErrorAndFail(thisCommandName |
| + "returned object is not a referrer which references this object."); |
| } |
| } |
| logWriter.println("=> CHECK: PASSED: expected instances are returned:"); |
| logWriter.println("=> Returned referringObjects number is" + referringObjects); |
| |
| synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE); |
| logWriter.println("==> " + thisTestName + " for " + thisCommandName + ": FINISH"); |
| assertAllDataRead(checkedReply); |
| } |
| |
| /** |
| * This testcase exercises ObjectReference.ReferringObjects command. <BR> |
| * Compose a ReferringObjects command with negative maxReferrers |
| * The vm should throw a ILLEGAL_ARGUMENT exception. |
| */ |
| public void testReferringObjects_IllegalArgument() { |
| String thisTestName = "testReferringObjects_IllegalArgument"; |
| |
| int maxReferrers = -1; |
| |
| logWriter.println("==> " + thisTestName + " for " + thisCommandName + ": START..."); |
| synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY); |
| |
| // Compose Instances command to get referree objectID |
| CommandPacket InstancesCommand = new CommandPacket( |
| JDWPCommands.ReferenceTypeCommandSet.CommandSetID, |
| JDWPCommands.ReferenceTypeCommandSet.InstancesCommand); |
| |
| long referreeObjTypeID = getClassIDBySignature(referreeObjSignature); |
| InstancesCommand.setNextValueAsReferenceTypeID(referreeObjTypeID); |
| InstancesCommand.setNextValueAsInt(1); |
| |
| ReplyPacket checkedReply = debuggeeWrapper.vmMirror.performCommand(InstancesCommand); |
| InstancesCommand = null; |
| |
| // Get the number of instances that returned. |
| int objNum = checkedReply.getNextValueAsInt(); |
| // Get the tagged-objectID |
| byte tag = checkedReply.getNextValueAsByte(); |
| long objectID = checkedReply.getNextValueAsObjectID(); |
| |
| // Compose ReferringObjects commnad |
| CommandPacket ReferringObjectsCommand = new CommandPacket( |
| JDWPCommands.ObjectReferenceCommandSet.CommandSetID, |
| JDWPCommands.ObjectReferenceCommandSet.ReferringObjectsCommand); |
| |
| ReferringObjectsCommand.setNextValueAsObjectID(objectID); |
| ReferringObjectsCommand.setNextValueAsInt(maxReferrers); |
| |
| // Perform ReferringObjects command and attain reply package |
| checkedReply = debuggeeWrapper.vmMirror |
| .performCommand(ReferringObjectsCommand); |
| ReferringObjectsCommand = null; |
| |
| short errorCode = checkedReply.getErrorCode(); |
| if (errorCode != JDWPConstants.Error.NONE) { |
| if (errorCode == JDWPConstants.Error.NOT_IMPLEMENTED) { |
| logWriter.println("=> CHECK PASSED: Expected error (NOT_IMPLEMENTED) is returned"); |
| return; |
| } |
| else if(errorCode == JDWPConstants.Error.ILLEGAL_ARGUMENT) { |
| logWriter.println("=> CHECK PASSED: Expected error (ILLEGAL_ARGUMENT) is returned"); |
| return; |
| } |
| } |
| printErrorAndFail(thisCommandName + " should throw ILLEGAL_ARGUMENT exception when maxReferrers is negative."); |
| } |
| } |
