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/*
* Copyright (c) 2001, 2018, 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.
*/
package nsk.jdwp.ObjectReference.GetValues;
import java.io.*;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdwp.*;
/**
* Test for JDWP command: ObjectReference.GetValues.
*
* See getvalues001.README for description of test execution.
*
* Test is executed by invoking method runIt().
* JDWP command is tested in method testCommand().
*
* @see #runIt()
* @see #testCommand()
*/
public class getvalues001 {
// exit status constants
static final int JCK_STATUS_BASE = 95;
static final int PASSED = 0;
static final int FAILED = 2;
// communication signals constants
static final String READY = "ready";
static final String QUIT = "quit";
// package and classes names constants
static final String PACKAGE_NAME = "nsk.jdwp.ObjectReference.GetValues";
static final String TEST_CLASS_NAME = PACKAGE_NAME + "." + "getvalues001";
static final String DEBUGEE_CLASS_NAME = TEST_CLASS_NAME + "a";
// tested JDWP command constants
static final String JDWP_COMMAND_NAME = "ObjectReference.GetValues";
static final int JDWP_COMMAND_ID = JDWP.Command.ObjectReference.GetValues;
// tested class name and signature constants
static final String TESTED_CLASS_NAME = DEBUGEE_CLASS_NAME + "$" + "TestedClass";
static final String TESTED_CLASS_SIGNATURE = "L" + TESTED_CLASS_NAME.replace('.', '/') + ";";
// name of the static field in the tested class with the tested object value
static final String OBJECT_FIELD_NAME = getvalues001a.OBJECT_FIELD_NAME;
// names and expected values of the tested fields
static final Object fields [][] = {
{ "booleanValue", "boolean", new Boolean(true), "own"},
{ "byteValue", "byte", new Byte((byte)0x0F), "own"},
{ "charValue", "char", new Character('Z'), "own"},
{ "intValue", "int", new Integer(100), "own"},
{ "shortValue", "short", new Short((short)10), "own"},
{ "longValue", "long", new Long((long)1000000), "own"},
{ "floatValue", "float", new Float((float)3.14), "own"},
{ "doubleValue", "double", new Double((double)2.8e-12), "own"},
{ "objectValue", "objectID", new Long((long)0), "own"},
};
static final int FIELDS_COUNT = fields.length;
// usual scaffold objects
ArgumentHandler argumentHandler = null;
Log log = null;
Binder binder = null;
Debugee debugee = null;
Transport transport = null;
IOPipe pipe = null;
// test passed or not
boolean success = true;
// -------------------------------------------------------------------
/**
* Start test from command line.
*/
public static void main (String argv[]) {
System.exit(run(argv,System.out) + JCK_STATUS_BASE);
}
/**
* Start JCK-compilant test.
*/
public static int run(String argv[], PrintStream out) {
return new getvalues001().runIt(argv, out);
}
// -------------------------------------------------------------------
/**
* Perform test execution.
*/
public int runIt(String argv[], PrintStream out) {
// make log for debugger messages
argumentHandler = new ArgumentHandler(argv);
log = new Log(out, argumentHandler);
// execute test and display results
try {
log.display("\n>>> Preparing debugee for testing \n");
// launch debugee
binder = new Binder(argumentHandler, log);
log.display("Launching debugee");
debugee = binder.bindToDebugee(DEBUGEE_CLASS_NAME);
transport = debugee.getTransport();
pipe = debugee.createIOPipe();
// make debuggee ready for testing
prepareDebugee();
// work with prepared debugee
try {
log.display("\n>>> Obtaining requred data from debugee \n");
// query debugee for TypeID of tested class
log.display("Getting ReferenceTypeID by signature:\n"
+ " " + TESTED_CLASS_SIGNATURE);
long classID = debugee.getReferenceTypeID(TESTED_CLASS_SIGNATURE);
log.display(" got classID: " + classID);
// query debuggee for objectID value from static field
log.display("Getting objectID value from static field: "
+ OBJECT_FIELD_NAME);
long objectID = queryObjectID(classID,
OBJECT_FIELD_NAME, JDWP.Tag.OBJECT);
log.display(" got objectID: " + objectID);
// query debugee for fieldIDs of tested class static fields
log.display("Getting fieldIDs the tested class with the tested values");
long fieldIDs[] = queryClassFieldIDs(classID);
// perform testing JDWP command
log.display("\n>>> Testing JDWP command \n");
testCommand(objectID, fieldIDs);
} finally {
// quit debugee
log.display("\n>>> Finishing test \n");
quitDebugee();
}
} catch (Failure e) {
log.complain("TEST FAILED: " + e.getMessage());
e.printStackTrace(out);
success = false;
} catch (Exception e) {
log.complain("Caught unexpected exception:\n" + e);
e.printStackTrace(out);
success = false;
}
if (!success) {
log.complain("TEST FAILED");
return FAILED;
}
out.println("TEST PASSED");
return PASSED;
}
/**
* Prepare debugee for testing and waiting for ready signal.
*/
void prepareDebugee() {
// wait for VM_INIT event from debugee
log.display("Waiting for VM_INIT event");
debugee.waitForVMInit();
// query debugee for VM-dependent ID sizes
log.display("Querying for IDSizes");
debugee.queryForIDSizes();
// resume initially suspended debugee
log.display("Resuming debugee VM");
debugee.resume();
// wait for READY signal from debugee
log.display("Waiting for signal from debugee: " + READY);
String signal = pipe.readln();
log.display("Received signal from debugee: " + signal);
if (! signal.equals(READY)) {
throw new TestBug("Unexpected signal received form debugee: " + signal
+ " (expected: " + READY + ")");
}
}
/**
* Sending debugee signal to quit and waiting for it exits.
*/
void quitDebugee() {
// send debugee signal to quit
log.display("Sending signal to debugee: " + QUIT);
pipe.println(QUIT);
// wait for debugee exits
log.display("Waiting for debugee exits");
int code = debugee.waitFor();
// analize debugee exit status code
if (code == JCK_STATUS_BASE + PASSED) {
log.display("Debugee PASSED with exit code: " + code);
} else {
log.complain("Debugee FAILED with exit code: " + code);
success = false;
}
}
/**
* Query debuggee for objectID value of static class field.
*/
long queryObjectID(long classID, String fieldName, byte tag) {
// get fieledID for static field (declared in the class)
long fieldID = debugee.getClassFieldID(classID, fieldName, true);
// get value of the field
JDWP.Value value = debugee.getStaticFieldValue(classID, fieldID);
// check that value has THREAD tag
if (value.getTag() != tag) {
throw new Failure("Wrong objectID tag received from field \"" + fieldName
+ "\": " + value.getTag() + " (expected: " + tag + ")");
}
// extract threadID from the value
long objectID = ((Long)value.getValue()).longValue();
return objectID;
}
/**
* Query debugee for fieldIDs and them into nested_classesIDs array.
*/
long[] queryClassFieldIDs(long typeID) {
// create array for expected filedIDs
long fieldIDs[] = new long[FIELDS_COUNT];
for (int i = 0; i < FIELDS_COUNT; i++) {
fieldIDs[i] = 0;
}
// obtain requested fieldIDs form debuggee
int count = 0;
try {
CommandPacket command = new CommandPacket(JDWP.Command.ReferenceType.Fields);
command.addReferenceTypeID(typeID);
command.setLength();
ReplyPacket reply = debugee.receiveReplyFor(command);
reply.resetPosition();
long declared = reply.getInt();
if (declared < FIELDS_COUNT) {
throw new Failure("Too few fields of the tested class returned: " + declared
+ " (expected: at least " + FIELDS_COUNT + ")");
}
for (int i = 0; i < declared; i++ ) {
long fieldID = reply.getFieldID();
String name = reply.getString();
String signature = reply.getString();
int modBits = reply.getInt();
for (int j = 0; j < FIELDS_COUNT; j++) {
if (fields[j][0].equals(name)) {
fieldIDs[j] = fieldID;
break;
}
}
}
if (!reply.isParsed()) {
throw new Failure("Extra trailing bytes found in the reply packet at: "
+ reply.currentPosition());
}
} catch (BoundException e) {
throw new Failure("Unable to extract field IDs from the reply packet:\n"
+ e.getMessage());
}
return fieldIDs;
}
/**
* Extract and check i-th value from the reply packet.
*/
void checkValue(int i, JDWP.Value value) {
if (!fields[i][2].equals(value.getValue())) {
log.complain("Unexpected value for " + i + " field received: " + value
+ " (expected: " + fields[i][2] + ")");
success = false;
}
}
/**
* Perform testing JDWP command for specified objectID.
*/
void testCommand(long objectID, long fieldIDs[]) {
int count = fieldIDs.length;
// create command packet
log.display("Create command packet:");
log.display("Command: " + JDWP_COMMAND_NAME);
CommandPacket command = new CommandPacket(JDWP_COMMAND_ID);
// add out data to the command packet
log.display(" objectID: " + objectID);
command.addObjectID(objectID);
log.display(" fields: " + count);
command.addInt(count);
for (int i = 0; i < count; i++) {
log.display(" #" + i +": fieldID: " + fieldIDs[i]);
command.addFieldID(fieldIDs[i]);
}
command.setLength();
// send command packet to debugee
try {
log.display("Sending command packet:\n" + command);
transport.write(command);
} catch (IOException e) {
log.complain("Unable to send command packet:\n" + e);
success = false;
return;
}
ReplyPacket reply = new ReplyPacket();
// receive reply packet from debugee
try {
log.display("Waiting for reply packet");
transport.read(reply);
log.display("Reply packet received:\n" + reply);
} catch (IOException e) {
log.complain("Unable to read reply packet:\n" + e);
success = false;
return;
}
// check reply packet header
try{
log.display("Checking reply packet header");
reply.checkHeader(command.getPacketID());
} catch (BoundException e) {
log.complain("Bad header of reply packet: " + e.getMessage());
success = false;
}
// start parsing reply packet data
log.display("Parsing reply packet:");
reply.resetPosition();
// extract and check number of values
int values = 0;
try {
values = reply.getInt();
log.display(" values: " + values);
} catch (BoundException e) {
log.complain("Unable to extract number of values form reply packet:\n" + e.getMessage());
success = false;
}
// check if number of values are as expected
if (values < 0) {
log.complain("Negative number of values received:" + values
+ " (expected: " + count + ")");
success = false;
} else if (values != count) {
log.complain("Unexpected number of values received:" + values
+ " (expected: " + count + ")");
success = false;
}
// extract and check each value
for (int i = 0; i < values; i++ ) {
log.display(" value #" + i + " (field: " + fields[i][0] + ")");
// extract value
JDWP.Value value = null;
try {
value = reply.getValue();
log.display(" value: " + value);
} catch (BoundException e) {
log.complain("Unable to extract " + i + " value:\n" + e.getMessage());
success = false;
break;
}
// extract and check value by known type tag
checkValue(i, value);
}
// check for extra data in reply packet
if (! reply.isParsed()) {
log.complain("Extra trailing bytes found in reply packet at: "
+ "0x" + reply.toHexString(reply.currentDataPosition(), 4));
success = false;
}
}
}