tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/test/java/org/apache/tika/parser/microsoft/chm/TestChmLzxcResetTable.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.tika.parser.microsoft.chm;

import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import org.junit.Before;
import org.junit.Test;

public class TestChmLzxcResetTable {
    private ChmLzxcResetTable chmLzxcResetTable = null;

    @Before
    public void setUp() throws Exception {
        byte[] data = TestParameters.chmData;
        /* Creates and parses itsf header */
        ChmItsfHeader chmItsfHeader = new ChmItsfHeader();
        // chmItsfHeader.parse(Arrays.copyOfRange(data, 0,
        // ChmConstants.CHM_ITSF_V3_LEN - 1), chmItsfHeader);
        chmItsfHeader.parse(ChmCommons.copyOfRange(data, 0, ChmConstants.CHM_ITSF_V3_LEN - 1),
                chmItsfHeader);
        /* Creates and parses itsp block */
        ChmItspHeader chmItspHeader = new ChmItspHeader();
        // chmItspHeader.parse(Arrays.copyOfRange( data, (int)
        // chmItsfHeader.getDirOffset(),
        // (int) chmItsfHeader.getDirOffset()
        // + ChmConstants.CHM_ITSP_V1_LEN), chmItspHeader);
        chmItspHeader.parse(ChmCommons.copyOfRange(data, (int) chmItsfHeader.getDirOffset(),
                (int) chmItsfHeader.getDirOffset() + ChmConstants.CHM_ITSP_V1_LEN), chmItspHeader);
        /* Creating instance of ChmDirListingContainer */
        ChmDirectoryListingSet chmDirListCont =
                new ChmDirectoryListingSet(data, chmItsfHeader, chmItspHeader);
        int indexOfControlData = chmDirListCont.getControlDataIndex();

        int indexOfResetTable =
                ChmCommons.indexOfResetTableBlock(data, ChmConstants.LZXC.getBytes(UTF_8));
        byte[] dir_chunk = null;
        if (indexOfResetTable > 0) {
            // dir_chunk = Arrays.copyOfRange( data, indexOfResetTable,
            // indexOfResetTable
            // +
            // chmDirListCont.getDirectoryListingEntryList().get(indexOfControlData).getLength());
            dir_chunk = ChmCommons.copyOfRange(data, indexOfResetTable, indexOfResetTable +
                    chmDirListCont.getDirectoryListingEntryList().get(indexOfControlData)
                            .getLength());
        }

        /* Creates and parses control block */
        ChmLzxcControlData chmLzxcControlData = new ChmLzxcControlData();
        chmLzxcControlData.parse(dir_chunk, chmLzxcControlData);

        indexOfResetTable = chmDirListCont.getResetTableIndex();
        chmLzxcResetTable = new ChmLzxcResetTable();

        int startIndex = (int) chmDirListCont.getDataOffset() +
                chmDirListCont.getDirectoryListingEntryList().get(indexOfResetTable).getOffset();

        ChmAssert.assertCopyingDataIndex(startIndex, data.length);

        // dir_chunk = Arrays.copyOfRange(data, startIndex, startIndex
        // +
        // chmDirListCont.getDirectoryListingEntryList().get(indexOfResetTable).getLength());
        dir_chunk = ChmCommons.copyOfRange(data, startIndex, startIndex +
                chmDirListCont.getDirectoryListingEntryList().get(indexOfResetTable).getLength());

        chmLzxcResetTable.parse(dir_chunk, chmLzxcResetTable);
    }

    @Test
    public void testGetBlockAddress() {
        assertEquals(TestParameters.VP_RESET_TABLE_BA, chmLzxcResetTable.getBlockAddress().length);
    }

    @Test
    public void testGetBlockCount() {
        assertEquals(TestParameters.VP_RESET_TABLE_BA, chmLzxcResetTable.getBlockCount());
    }

    @Test
    public void testGetBlockLen() {
        assertEquals(TestParameters.VP_RES_TBL_BLOCK_LENGTH, chmLzxcResetTable.getBlockLen());
    }

    @Test
    public void testGetCompressedLen() {
        assertEquals(TestParameters.VP_RES_TBL_COMPR_LENGTH, chmLzxcResetTable.getCompressedLen());
    }

    @Test
    public void testGetTableOffset() {
        assertEquals(TestParameters.VP_TBL_OFFSET, chmLzxcResetTable.getTableOffset());
    }

    @Test
    public void testGetUncompressedLen() {
        assertEquals(TestParameters.VP_RES_TBL_UNCOMP_LENGTH,
                chmLzxcResetTable.getUncompressedLen());
    }

    @Test
    public void testGetUnknown() {
        assertEquals(TestParameters.VP_RES_TBL_UNKNOWN, chmLzxcResetTable.getUnknown());
    }

    @Test
    public void testGetVersion() {
        assertEquals(TestParameters.VP_RES_TBL_VERSION, chmLzxcResetTable.getVersion());
    }

    @Test
    public void testToString() {
        assertTrue(chmLzxcResetTable.toString().length() > 0);
    }

    // TODO: add setters to be tested
}