test/hotspot/jtreg/vmTestbase/nsk/jdi/Field/type/type001.java

/*
 * Copyright (c) 2000, 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.Field.type;

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

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

public class type001 {
    final static int TOTAL_FIELDS = 15;
    final static String FIELDS_TYPE_NAME[][] = {
        {"boolean", "z0", "Z"},
        {"byte",    "b0", "B"},
        {"char",    "c0", "C"},
        {"double",  "d0", "D"},
        {"float",   "f0", "F"},
        {"int",     "i0", "I"},
        {"long",    "l0", "J"},
        {"short",   "r0", "S"},

        {"long", "lS0", "J"},
        {"long", "lP0", "J"},
        {"long", "lU0", "J"},
        {"long", "lR0", "J"},
        {"long", "lT0", "J"},
        {"long", "lV0", "J"},
        {"long", "lF0", "J"}
    };

    private static Log log;
    private final static String prefix = "nsk.jdi.Field.type.";
    private final static String className = "type001";
    private final static String debugerName = prefix + className;
    private final static String debugeeName = debugerName + "a";

    public static void main(String argv[]) {
        System.exit(95 + run(argv, System.out));
    }

    public static int run(String argv[], PrintStream out) {
        ArgumentHandler argHandler = new ArgumentHandler(argv);
        log = new Log(out, argHandler);
        Binder binder = new Binder(argHandler, log);
        Debugee debugee = binder.bindToDebugee(debugeeName
                              + (argHandler.verbose() ? " -verbose" : ""));
        IOPipe pipe = new IOPipe(debugee);
        boolean testFailed = false;
        List fields;

        // Connect with debugee and resume it
        debugee.redirectStderr(out);
        debugee.resume();
        String line = pipe.readln();
        if (line == null) {
            log.complain("debuger FAILURE> UNEXPECTED debugee's signal - null");
            return 2;
        }
        if (!line.equals("ready")) {
            log.complain("debuger FAILURE>  UNEXPECTED debugee's signal - "
                      + line);
            return 2;
        }
        else {
            log.display("debuger> debugee's \"ready\" signal recieved.");
        }

        // Get all fields from debugee
        ReferenceType refType = debugee.classByName(debugeeName);
        if (refType == null) {
           log.complain("debuger FAILURE> Class " + debugeeName
                      + " not found.");
           return 2;
        }
        try {
            fields = refType.allFields();
        } catch (Exception e) {
            log.complain("debuger FAILURE> Can't get fields from class");
            log.complain("debuger FAILURE> Exception: " + e);
            return 2;
        }
        int totalFields = fields.size();
        if (totalFields < 1) {
            log.complain("debuger FAILURE> Total number of fields read "
                       + totalFields + ", should be " + TOTAL_FIELDS);
            return 2;
        }
        log.display("debuger> Total fields found: " + totalFields);
        Iterator fieldsIterator = fields.iterator();
        for (int i = 0; fieldsIterator.hasNext(); i++) {
            Field field = (Field)fieldsIterator.next();
            String name = field.name();
            Type type;
            String realType;

            try {
                type = field.type();
            } catch (ClassNotLoadedException e) {
                log.complain("debuger FAILURE 1> Can't get primitive type of "
                           + "field " + name);
                log.complain("debuger FAILURE 1> Exception: " + e);
                testFailed = true;
                continue;
            }
            if (type == null) {
                log.complain("debuger FAILURE 2> Type is null for " + i
                           + " field " + name);
                    testFailed = true;
                    continue;
            }
            if (name == null) {
                log.complain("debuger FAILURE 3> Name is null for " + i
                           + " field");
                testFailed = true;
                continue;
            }
            try {
                realType = getStatByName(name, 2);
            } catch (Error e) {
                log.complain("debuger FAILURE 4> Unexpected Error " + e);
                return 2;
            }
            String signature = type.signature();
            log.display("debuger> " + i + " field (" + name + ") of type "
                      + type + " signature " + signature + " read.");
            char signJNI = realType.charAt(0);
            try {
                switch (signJNI) {
                    case 'Z':
                        BooleanType typeBoolean = (BooleanType)type;
                        break;
                    case 'B':
                        ByteType typeByte = (ByteType)type;
                        break;
                    case 'C':
                        CharType typeChar = (CharType)type;
                        break;
                    case 'D':
                        DoubleType typeDouble = (DoubleType)type;
                        break;
                    case 'F':
                        FloatType typeFloat = (FloatType)type;
                        break;
                    case 'I':
                        IntegerType typeInteger = (IntegerType)type;
                        break;
                    case 'J':
                        LongType typeLong = (LongType)type;
                        break;
                    case 'S':
                        ShortType typeShort = (ShortType)type;
                        break;
                    default:
                        log.complain("debuger FAILURE 5> Error in test. "
                                   + "Unknown JNI signature " + signJNI);
                        return 2;
                      }
            } catch (ClassCastException e) {
                log.complain("debuger FAILURE 6> Can't convert field " + name
                           + " to PrimitiveType");
                log.complain("debuger FAILURE 6> Exception: " + e);
                testFailed = true;
            }

            if (!realType.equals(signature)) {
                log.complain("debuger FAILURE 7> Signature of field " + name
                           + " is " + signature + ", but should be "
                           + realType);
                testFailed = true;
            }
        }
        pipe.println("quit");
        debugee.waitFor();
        int status = debugee.getStatus();
        if (testFailed) {
            log.complain("debuger FAILURE> TEST FAILED");
            return 2;
        } else {
            if (status == 95) {
                log.display("debuger> expected Debugee's exit "
                          + "status - " + status);
                return 0;
            } else {
                log.complain("debuger FAILURE> UNEXPECTED Debugee's exit "
                           + "status (not 95) - " + status);
                return 2;
            }
        }
    }

    private static String getStatByName(String name, int field)
        throws Error
    {
        for (int i = 0; i < TOTAL_FIELDS; i++) {
            String fieldName = FIELDS_TYPE_NAME[i][1];
            if (fieldName.equals(name)) {
                return FIELDS_TYPE_NAME[i][field];
            }
        }
        throw new Error("Error in test. Unknown field " + name);
    }
}