/*
 * Copyright (c) 2012 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.
 */

/*
 * Portions Copyright (c) 2012 IBM Corporation
 */

import java.io.Reader;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;

import javax.sql.rowset.serial.SerialClob;
import javax.sql.rowset.serial.SerialException;

/**
 * @test
 * @bug 
 * @summary tests for getBinaryStream(long, long) on SerialBlob
 */

public class SerialClobGetCharacterStreamJJ {
    static char[] charArray = "char array test".toCharArray();

    static Map<String, String> errorMsgs = new HashMap<String, String>();

    private static SerialClob prepareSerialClob() throws Exception {
        return new SerialClob(charArray);
    }

    // Test the normal behavior of getCharacterStream(long, long)
    public static int testGetCharacterStream() throws Exception {
        SerialClob sc = prepareSerialClob();
        Reader is = sc.getCharacterStream(1, 3);

        char[] expected = "cha".toCharArray();
        for (int i = 0; i < 3; i++) {
            if (expected[i] != is.read()) {
                errorMsgs.put("testGetCharacterStream()", "Unexpected byte");
                return 1;
            }
        }

        if (is.read() != -1) {
            errorMsgs
                    .put("testGetCharacterStream()", "More left in SerialClob");
            return 1;
        }
        System.out.println("Test Passed");
        return 0;
    }

    // Test getCharacterStream with pos is less than 0
    public static int testGetCharacterStreamPosLT0() throws Exception {
        SerialClob sc = prepareSerialClob();

        try {
            sc.getCharacterStream(-1, 3);
            errorMsgs.put("testGetCharacterStreamPosLT0()",
                    "Should throw exception when pos < 0");
            return 1;
        } catch (SerialException se) {
            System.out.println("Test Passed");
            return 0;
        }
    }

    // Test getCharacterStream with pos is 0
    public static int testGetCharacterStreamPosEquals0() throws Exception {
        SerialClob sc = prepareSerialClob();

        try {
            sc.getCharacterStream(0, 3);
            errorMsgs.put("testGetCharacterStreamPosEquals0()",
                    "Should throw exception when pos == 0");
            return 1;
        } catch (SerialException se) {
            System.out.println("Test Passed");
            return 0;
        }
    }

    // Test getCharacterStream with length is larger than the back end buffer
    // length of the SerialClob object
    public static int testGetCharacterStreamLengthOutOfBounds()
            throws Exception {
        SerialClob sc = prepareSerialClob();

        try {
            sc.getCharacterStream(1, charArray.length + 1);
            errorMsgs
                    .put("testGetCharacterStreamLengthOutOfBounds()",
                            "Should throw exception when pos + length > actual length + 1");
            return 1;
        } catch (SerialException se) {
            System.out.println("Test Passed");
            return 0;
        }
    }

    public static int testGetCharacterStreamPosGTLength() throws Exception {
        SerialClob sc = prepareSerialClob();

        try {
            sc.getCharacterStream(charArray.length + 1, 2);
            errorMsgs.put("testGetBinaryStreamPosGTLength()",
                    "Should throw exception when pos > Blob's length");
            return 1;
        } catch (SerialException se) {
            System.out.println("Test Passed");
            return 0;
        }
    }

    public static void main(String[] args) throws Exception {
        int totalNumber = 0;
        int failedNumber = 0;

        failedNumber += testGetCharacterStream();
        totalNumber++;

        failedNumber += testGetCharacterStreamPosLT0();
        totalNumber++;

        failedNumber += testGetCharacterStreamPosEquals0();
        totalNumber++;

        failedNumber += testGetCharacterStreamLengthOutOfBounds();
        totalNumber++;

        failedNumber += testGetCharacterStreamPosGTLength();
        totalNumber++;

        System.out.println();
        System.out.println("Total tests " + totalNumber);
        System.out.println("Passed: " + (totalNumber - failedNumber));
        System.out.println("Failed: " + failedNumber);
        System.out.println();

        if (failedNumber != 0) {
            System.out.println("Failed details:");

            Iterator<Entry<String, String>> itr = errorMsgs.entrySet()
                    .iterator();

            while (itr.hasNext()) {
                Entry<String, String> entry = itr.next();
                String testName = entry.getKey();
                String message = entry.getValue();

                System.out.println(testName + ": " + message);
            }

            throw new Exception(
                    "SerialClob.getCharacterStream(long, long) test failed");
        }
    }
}