test/hotspot/jtreg/vmTestbase/nsk/jdi/Type/signature/signature003.java

/*
 * 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.jdi.Type.signature;

import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;

import com.sun.jdi.*;
import java.util.*;
import java.io.*;

/**
 * The test for the implementation of an object of the type     <BR>
 * Type.                                                        <BR>
 *                                                              <BR>
 * The test checks up that results of the method                <BR>
 * <code>com.sun.jdi.Type.signature()</code>                    <BR>
 * complies with its spec when                                  <BR>
 * a type is the VoidType.                                      <BR>
 * <BR>
 * The test checks up that the signature of the Type objects,   <BR>
 * corresponding in a debugger to                               <BR>
 * the void return type of a test method in a debuggee          <BR>
 * is "V".                                                      <BR>
 * <BR>
 */

public class signature003 {

    //----------------------------------------------------- templete section
    static final int PASSED = 0;
    static final int FAILED = 2;
    static final int PASS_BASE = 95;

    //----------------------------------------------------- templete parameters
    static final String
    sHeader1 = "\n==> nsk/jdi/Type/signature/signature003",
    sHeader2 = "--> signature003: ",
    sHeader3 = "##> signature003: ";

    //----------------------------------------------------- main method

    public static void main (String argv[]) {
        int result = run(argv, System.out);
        System.exit(result + PASS_BASE);
    }

    public static int run (String argv[], PrintStream out) {
        return new signature003().runThis(argv, out);
    }

     //--------------------------------------------------   log procedures

    //private static boolean verbMode = false;

    private static Log  logHandler;

    private static void log1(String message) {
        logHandler.display(sHeader1 + message);
    }
    private static void log2(String message) {
        logHandler.display(sHeader2 + message);
    }
    private static void log3(String message) {
        logHandler.complain(sHeader3 + message);
    }

    //  ************************************************    test parameters

    private String debuggeeName =
        "nsk.jdi.Type.signature.signature003a";

    //====================================================== test program

    static ArgumentHandler      argsHandler;
    static int                  testExitCode = PASSED;

    //------------------------------------------------------ common section

    private int runThis (String argv[], PrintStream out) {

        Debugee debuggee;

        argsHandler     = new ArgumentHandler(argv);
        logHandler      = new Log(out, argsHandler);
        Binder binder   = new Binder(argsHandler, logHandler);

        if (argsHandler.verbose()) {
            debuggee = binder.bindToDebugee(debuggeeName + " -vbs");  // *** tp
        } else {
            debuggee = binder.bindToDebugee(debuggeeName);            // *** tp
        }

        IOPipe pipe     = new IOPipe(debuggee);

        debuggee.redirectStderr(out);
        log2("signature003a debuggee launched");
        debuggee.resume();

        String line = pipe.readln();
        if ((line == null) || !line.equals("ready")) {
            log3("signal received is not 'ready' but: " + line);
            return FAILED;
        } else {
            log2("'ready' recieved");
        }

        VirtualMachine vm = debuggee.VM();

    //------------------------------------------------------  testing section
        log1("      TESTING BEGINS");

        for (int i = 0; ; i++) {
        pipe.println("newcheck");
            line = pipe.readln();

            if (line.equals("checkend")) {
                log2("     : returned string is 'checkend'");
                break ;
            } else if (!line.equals("checkready")) {
                log3("ERROR: returned string is not 'checkready'");
                testExitCode = FAILED;
                break ;
            }

            log1("new check: #" + i);

            //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ variable part

            List listOfDebuggeeExecClasses = vm.classesByName(debuggeeName);
            if (listOfDebuggeeExecClasses.size() != 1) {
                testExitCode = FAILED;
                log3("ERROR: listOfDebuggeeExecClasses.size() != 1");
                break ;
            }
            ReferenceType execClass =
                        (ReferenceType) listOfDebuggeeExecClasses.get(0);

            List methods = execClass.methodsByName("testMethod");
            if (methods.size() != 1) {
                testExitCode = FAILED;
                log3("ERROR: methods.size() != 1");
                break ;
            }

            Method testmethod = (Method) methods.get(0);

            Type testmethodReturnType = null;
            try {
                 testmethodReturnType = testmethod.returnType();
            } catch ( ClassNotLoadedException e ) {
                 log3("ERROR: testmethodReturnType = testmethod.returnType();");
                 testExitCode = FAILED;
                 break ;
            }

            String testmethodReturnTypeSignature = testmethodReturnType.signature();
            if (!testmethodReturnTypeSignature.equals("V")) {
                testExitCode = FAILED;
                log3("ERROR: !testmethodReturnTypeSignature.equals('V')"
                + "     "  + testmethodReturnTypeSignature);
            }
            //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        }
        log1("      TESTING ENDS");

    //--------------------------------------------------   test summary section
    //-------------------------------------------------    standard end section

        pipe.println("quit");
        log2("waiting for the debuggee to finish ...");
        debuggee.waitFor();

        int status = debuggee.getStatus();
        if (status != PASSED + PASS_BASE) {
            log3("debuggee returned UNEXPECTED exit status: " +
                    status + " != PASS_BASE");
            testExitCode = FAILED;
        } else {
            log2("debuggee returned expected exit status: " +
                    status + " == PASS_BASE");
        }

        if (testExitCode != PASSED) {
            logHandler.complain("TEST FAILED");
        }
        return testExitCode;
    }
}