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 * Copyright (c) 2014, 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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

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import org.testng.annotations.Test;

import org.testng.annotations.BeforeClass;

import sun.tools.jinfo.JInfo;

import java.lang.reflect.Constructor;

import java.lang.reflect.Field;

import java.util.Arrays;

import static org.testng.Assert.*;

/**

 * @test

 * @bug 8039080

 * @run testng JInfoLauncherTest

 * @summary Test JInfo launcher argument parsing

 */

@Test

public class JInfoLauncherTest {

    public static final String VALIDATION_EXCEPTION_CLSNAME =

                                IllegalArgumentException.class.getName();

    private Constructor<JInfo> jInfoConstructor;

    private Field fldUseSA;

    @BeforeClass

    public void setup() throws Exception {

        jInfoConstructor = JInfo.class.getDeclaredConstructor(String[].class);

        jInfoConstructor.setAccessible(true);

        fldUseSA = JInfo.class.getDeclaredField("useSA");

        fldUseSA.setAccessible(true);

    }

    private JInfo newJInfo(String[] args) throws Exception {

        try {

            return jInfoConstructor.newInstance((Object) args);

        } catch (Exception e) {

            if (isValidationException(e.getCause())) {

                throw (Exception)e.getCause();

            }

            throw e;

        }

    }

    private boolean getUseSA(JInfo jinfo) throws Exception {

        return fldUseSA.getBoolean(jinfo);

    }

    private void cmdPID(String cmd, String ... params) throws Exception {

        int offset = (cmd != null ? 1 : 0);

        String[] args = new String[offset + params.length];

        args[0] = cmd;

        System.arraycopy(params, 0, args, offset, params.length);

        JInfo j = newJInfo(args);

        assertFalse(getUseSA(j), "Local jinfo must not forward to SA");

    }

    private void cmdCore(String cmd, String ... params) throws Exception {

        int offset = (cmd != null ? 1 : 0);

        String[] args = new String[offset + params.length];

        args[0] = cmd;

        System.arraycopy(params, 0, args, offset, params.length);

        JInfo j = newJInfo(args);

        assertTrue(getUseSA(j), "Core jinfo must forward to SA");

    }

    private void cmdRemote(String cmd, String ... params) throws Exception {

        int offset = (cmd != null ? 1 : 0);

        String[] args = new String[offset + params.length];

        args[0] = cmd;

        System.arraycopy(params, 0, args, offset, params.length);

        JInfo j = newJInfo(args);

        assertTrue(getUseSA(j), "Remote jinfo must forward to SA");

    }

    private void cmdExtraArgs(String cmd, int argsLen) throws Exception {

        String[] args = new String[argsLen + 1 + (cmd != null ? 1 : 0)];

        Arrays.fill(args, "a");

        if (cmd != null) {

            args[0] = cmd;

        } else {

            cmd = "default";

        }

        try {

            JInfo j = newJInfo(args);

            fail("\"" + cmd + "\" does not support more than " + argsLen +

                 " arguments");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    private void cmdMissingArgs(String cmd, int reqArgs) throws Exception {

        String[] args = new String[reqArgs - 1 + (cmd != null ? 1 : 0)];

        Arrays.fill(args, "a");

        if (cmd != null) {

            args[0] = cmd;

        } else {

            cmd = "default";

        }

        try {

            JInfo j = newJInfo(args);

            fail("\"" + cmd + "\" requires at least " + reqArgs + " argument");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    public void testDefaultPID() throws Exception {

        cmdPID(null, "1234");

    }

    public void testFlagsPID() throws Exception {

        cmdPID("-flags", "1234");

    }

    public void testSyspropsPID() throws Exception {

        cmdPID("-sysprops", "1234");

    }

    public void testReadFlagPID() throws Exception {

        cmdPID("-flag", "SomeManagementFlag", "1234");

    }

    public void testSetFlag1PID() throws Exception {

        cmdPID("-flag", "+SomeManagementFlag", "1234");

    }

    public void testSetFlag2PID() throws Exception {

        cmdPID("-flag", "-SomeManagementFlag", "1234");

    }

    public void testSetFlag3PID() throws Exception {

        cmdPID("-flag", "SomeManagementFlag=314", "1234");

    }

    public void testDefaultCore() throws Exception {

        cmdCore(null, "myapp.exe", "my.core");

    }

    public void testFlagsCore() throws Exception {

        cmdCore("-flags", "myapp.exe", "my.core");

    }

    public void testSyspropsCore() throws Exception {

        cmdCore("-sysprops", "myapp.exe", "my.core");

    }

    public void testReadFlagCore() throws Exception {

        try {

            cmdCore("-flag", "SomeManagementFlag", "myapp.exe", "my.core");

            fail("Flags can not be read from core files");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    public void testSetFlag1Core() throws Exception {

        try {

            cmdCore("-flag", "+SomeManagementFlag", "myapp.exe", "my.core");

            fail("Flags can not be set in core files");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    public void testSetFlag2Core() throws Exception {

        try {

            cmdCore("-flag", "-SomeManagementFlag", "myapp.exe", "my.core");

            fail("Flags can not be set in core files");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    public void testSetFlag3Core() throws Exception {

        try {

            cmdCore("-flag", "SomeManagementFlag=314", "myapp.exe", "my.core");

            fail("Flags can not be set in core files");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    public void testDefaultRemote() throws Exception {

        cmdRemote(null, "serverid@host");

    }

    public void testFlagsRemote() throws Exception {

        cmdRemote("-flags", "serverid@host");

    }

    public void testSyspropsRemote() throws Exception {

        cmdRemote("-sysprops", "serverid@host");

    }

    public void testReadFlagRemote() throws Exception {

        try {

            cmdCore("-flag", "SomeManagementFlag", "serverid@host");

            fail("Flags can not be read from SA server");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    public void testSetFlag1Remote() throws Exception {

        try {

            cmdCore("-flag", "+SomeManagementFlag","serverid@host");

            fail("Flags can not be set on SA server");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    public void testSetFlag2Remote() throws Exception {

        try {

            cmdCore("-flag", "-SomeManagementFlag", "serverid@host");

            fail("Flags can not be read set on SA server");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    public void testSetFlag3Remote() throws Exception {

        try {

            cmdCore("-flag", "SomeManagementFlag=314", "serverid@host");

            fail("Flags can not be read set on SA server");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    public void testDefaultExtraArgs() throws Exception {

        cmdExtraArgs(null, 2);

    }

    public void testFlagsExtraArgs() throws Exception {

        cmdExtraArgs("-flags", 2);

    }

    public void testSyspropsExtraArgs() throws Exception {

        cmdExtraArgs("-sysprops", 2);

    }

    public void testFlagExtraArgs() throws Exception {

        cmdExtraArgs("-flag", 2);

    }

    public void testHelp1ExtraArgs() throws Exception {

        cmdExtraArgs("-h", 0);

    }

    public void testHelp2ExtraArgs() throws Exception {

        cmdExtraArgs("-help", 0);

    }

    public void testDefaultMissingArgs() throws Exception {

        cmdMissingArgs(null, 1);

    }

    public void testFlagsMissingArgs() throws Exception {

        cmdMissingArgs("-flags", 1);

    }

    public void testSyspropsMissingArgs() throws Exception {

        cmdMissingArgs("-sysprops", 1);

    }

    public void testFlagMissingArgs() throws Exception {

        cmdMissingArgs("-flag", 2);

    }

    public void testUnknownCommand() throws Exception {

        try {

            JInfo j = newJInfo(new String[]{"-unknown_command"});

            fail("JInfo accepts unknown commands");

        } catch (Exception e) {

            if (!isValidationException(e)) {

                throw e;

            }

            // ignore

        }

    }

    private static boolean isValidationException(Throwable e) {

        return e.getClass().getName().equals(VALIDATION_EXCEPTION_CLSNAME);

    }

}