public  void testAllocateShapeId() throws Exception 
{
        EscherDggRecord dgg = new EscherDggRecord();
        dgg.setDrawingsSaved( 0 );
        dgg.setFileIdClusters( new EscherDggRecord.FileIdCluster[]{} );
        DrawingManager dm = new DrawingManager( dgg );
        EscherDgRecord dg = dm.createDgRecord();
        int shapeId = dm.allocateShapeId( dg.getDrawingGroupId() );
        assertEquals( 1024, shapeId );
        assertEquals( 1025, dgg.getShapeIdMax() );
        assertEquals( 1, dgg.getDrawingsSaved() );
        assertEquals( 1, dgg.getFileIdClusters()[0].getDrawingGroupId() );
        assertEquals( 1, dgg.getFileIdClusters()[0].getNumShapeIdsUsed() );
        assertEquals( 1024, dg.getLastMSOSPID() );
        assertEquals( 1, dg.getNumShapes() );
}

 public  void testCreateDgRecord() throws Exception 
{
        EscherDggRecord dgg = new EscherDggRecord();
        dgg.setDrawingsSaved( 0 );
        dgg.setFileIdClusters( new EscherDggRecord.FileIdCluster[]{} );
        DrawingManager dm = new DrawingManager( dgg );
        EscherDgRecord dgRecord = dm.createDgRecord();
        assertEquals( -1, dgRecord.getLastMSOSPID() );
        assertEquals( 0, dgRecord.getNumShapes() );
        assertEquals( 1, dm.getDgg().getDrawingsSaved() );
        assertEquals( 1, dm.getDgg().getFileIdClusters().length );
        assertEquals( 1, dm.getDgg().getFileIdClusters()[0].getDrawingGroupId() );
        assertEquals( 0, dm.getDgg().getFileIdClusters()[0].getNumShapeIdsUsed() );
}

 public  void testDrawingGroupExists() throws Exception 
{
        EscherDggRecord dgg = new EscherDggRecord();
        dgg.setDrawingsSaved( 1 );
        dgg.setFileIdClusters( new EscherDggRecord.FileIdCluster[]{
            new EscherDggRecord.FileIdCluster( 2, 10 )} );
        DrawingManager dm = new DrawingManager( dgg );
        assertFalse( dm.drawingGroupExists( (short) 1 ) );
        assertTrue( dm.drawingGroupExists( (short) 2 ) );
        assertFalse( dm.drawingGroupExists( (short) 3 ) );
}

 public  void testFindFreeSPIDBlock() throws Exception 
{
        EscherDggRecord dgg = new EscherDggRecord();
        DrawingManager dm = new DrawingManager( dgg );
        dgg.setShapeIdMax( 1024 );
        assertEquals( 2048, dm.findFreeSPIDBlock() );
        dgg.setShapeIdMax( 1025 );
        assertEquals( 2048, dm.findFreeSPIDBlock() );
        dgg.setShapeIdMax( 2047 );
        assertEquals( 2048, dm.findFreeSPIDBlock() );
}

 public  void testFindNewDrawingGroupId() throws Exception 
{
        EscherDggRecord dgg = new EscherDggRecord();
        dgg.setDrawingsSaved( 1 );
        dgg.setFileIdClusters( new EscherDggRecord.FileIdCluster[]{
            new EscherDggRecord.FileIdCluster( 2, 10 )} );
        DrawingManager dm = new DrawingManager( dgg );
        assertEquals( 1, dm.findNewDrawingGroupId() );
        dgg.setFileIdClusters( new EscherDggRecord.FileIdCluster[]{
            new EscherDggRecord.FileIdCluster( 1, 10 ),
            new EscherDggRecord.FileIdCluster( 2, 10 )} );
        assertEquals( 3, dm.findNewDrawingGroupId() );
}