--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdwp/ArrayReference/Length/length001.java Wed May 30 20:54:45 2018 -0700
@@ -0,0 +1,318 @@
+/*
+ * 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.ArrayReference.Length;
+
+import java.io.*;
+
+import nsk.share.*;
+import nsk.share.jpda.*;
+import nsk.share.jdwp.*;
+
+/**
+ * Test for JDWP command: ArrayReference.Length.
+ *
+ * See length001.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 length001 {
+
+ // 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.ArrayReference.Length";
+ static final String TEST_CLASS_NAME = PACKAGE_NAME + "." + "length001";
+ static final String DEBUGEE_CLASS_NAME = TEST_CLASS_NAME + "a";
+
+ // tested JDWP command constants
+ static final String JDWP_COMMAND_NAME = "ArrayReference.Length";
+ static final int JDWP_COMMAND_ID = JDWP.Command.ArrayReference.Length;
+
+ // 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 ARRAY_FIELD_NAME = length001a.ARRAY_FIELD_NAME;
+ static final int ARRAY_LENGTH = length001a.ARRAY_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 length001().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 arrayID value from static field
+ log.display("Getting arrayID value from static field: "
+ + ARRAY_FIELD_NAME);
+ long arrayID = queryObjectID(classID,
+ ARRAY_FIELD_NAME, JDWP.Tag.ARRAY);
+ log.display(" got arrayID: " + arrayID);
+
+ // perform testing JDWP command
+ log.display("\n>>> Testing JDWP command \n");
+ testCommand(arrayID);
+
+ } 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;
+ }
+
+ /**
+ * Perform testing JDWP command for specified arrayID.
+ */
+ void testCommand(long arrayID) {
+ // 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(" arrayID: " + arrayID);
+ command.addObjectID(arrayID);
+ 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 array length
+ int arrayLength = 0;
+ try {
+ arrayLength = reply.getInt();
+ log.display(" arrayLength: " + arrayLength);
+
+ } catch (BoundException e) {
+ log.complain("Unable to extract arrayLength from reply packet:\n\t"
+ + e.getMessage());
+ success = false;
+ }
+
+ // check if arrayLength is as expected
+ if (arrayLength < 0) {
+ log.complain("Negative number of arrayLength received:" + arrayLength
+ + " (expected: " + ARRAY_LENGTH + ")");
+ success = false;
+ } else if (arrayLength != ARRAY_LENGTH) {
+ log.complain("Unexpected number of values received:" + arrayLength
+ + " (expected: " + ARRAY_LENGTH + ")");
+ success = false;
+ }
+
+ // 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;
+ }
+ }
+
+}