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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  * Copyright by the Board of Trustees of the University of Illinois.         *
  * All rights reserved.                                                      *
  *                                                                           *
  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
  * terms governing use, modification, and redistribution, is contained in    *
  * the files COPYING and Copyright.html.  COPYING can be found at the root   *
  * of the source code distribution tree; Copyright.html can be found at the  *
  * root level of an installed copy of the electronic HDF5 document set and   *
  * is linked from the top-level documents page.  It can also be found at     *
  * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have     *
  * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*****************************************************************************
   FILE
   tfile.cpp - HDF5 C++ testing the file I/O features

   EXTERNAL ROUTINES/VARIABLES:
     These routines are in the test directory of the C library:
        h5_fileaccess() -- in h5test.c, returns a file access template

 ***************************************************************************/

#include <string>

#ifdef OLD_HEADER_FILENAME
#include <iostream.h>
#else
#include <iostream>
#endif

#include "testhdf5.h"	// C test header file
#include "H5Cpp.h"	// C++ API header file

#ifndef H5_NO_NAMESPACE
using namespace H5;
#endif

#include "h5cpputil.h"	// C++ utilility header file

const hsize_t F1_USERBLOCK_SIZE = (hsize_t)0;
const size_t F1_OFFSET_SIZE = sizeof(haddr_t);
const size_t F1_LENGTH_SIZE = sizeof(hsize_t);
const unsigned F1_SYM_LEAF_K  = 4;
const unsigned F1_SYM_INTERN_K = 16;
const string    FILE1("tfile1.h5");

const hsize_t F2_USERBLOCK_SIZE = (hsize_t)512;
const size_t F2_OFFSET_SIZE = 8;
const size_t F2_LENGTH_SIZE = 8;
const unsigned F2_SYM_LEAF_K  = 8;
const unsigned F2_SYM_INTERN_K = 32;
const string    FILE2("tfile2.h5");

const hsize_t F3_USERBLOCK_SIZE = (hsize_t)0;
const size_t F3_OFFSET_SIZE = F2_OFFSET_SIZE;
const size_t F3_LENGTH_SIZE = F2_LENGTH_SIZE;
const unsigned F3_SYM_LEAF_K  = F2_SYM_LEAF_K;
const unsigned F3_SYM_INTERN_K = F2_SYM_INTERN_K;
const string    FILE3("tfile3.h5");

const int KB =  1024;
const string    FILE4("tfile4.h5");


/*-------------------------------------------------------------------------
 * Function:    test_file_create
 *
 * Purpose:     Test file and template creations
 *
 * Return:      None
 *
 * Programmer:  Binh-Minh Ribler (use C version)
 *              January, 2001
 *
 * Modifications:
 *	January, 2005: C tests' macro VERIFY casts values to 'long' for all
 *		       cases.  Since there are no operator<< for 'long long'
 *		       or int64 in VS C++ ostream, I casted the hsize_t values
 *		       passed to verify_val to 'long' as well.  If problems
 *		       arises later, this will have to be specificly handled
 *		       with a special routine.
 *
 *-------------------------------------------------------------------------
 */
static void
test_file_create(void)
{
    // Output message about test being performed
    MESSAGE(5, ("Testing File Creation I/O\n"));

    // Test create with various sequences of H5F_ACC_EXCL and
    // H5F_ACC_TRUNC flags

    // Create with H5F_ACC_EXCL
    // First ensure the file does not exist
    remove(FILE1.c_str());

    // Setting this to NULL for cleaning up in failure situations
    H5File* file1 = NULL;
    try {
	// Create file FILE1
	file1 = new H5File (FILE1, H5F_ACC_EXCL);

	// try to create the same file with H5F_ACC_TRUNC. This should fail
	// because file1 is the same file and is currently open.
	try {
	    H5File file2 (FILE1, H5F_ACC_TRUNC);  // should throw E

	    // Should FAIL but didn't, so throw an invalid action exception
	    throw InvalidActionException("H5File constructor", "Attempted to create an existing file.");
	}
	catch( FileIException E ) // catch truncating existing file
	{} // do nothing, FAIL expected

	// Close file1
	delete file1;
	file1 = NULL;

	// Try again with H5F_ACC_EXCL. This should fail because the file
	// already exists from the previous steps.
	try {
	    H5File file2(FILE1, H5F_ACC_EXCL);  // should throw E

	    // Should FAIL but didn't, so throw an invalid action exception
	    throw InvalidActionException("H5File constructor", "File already exists.");
	}
	catch( FileIException E ) // catching creating existing file
	{} // do nothing, FAIL expected

    	// Test create with H5F_ACC_TRUNC. This will truncate the existing file.
	file1 = new H5File (FILE1, H5F_ACC_TRUNC);

	// Try to truncate first file again. This should fail because file1
	// is the same file and is currently open.
    	try {
	    H5File file2 (FILE1, H5F_ACC_TRUNC);   // should throw E

	    // Should FAIL but didn't, so throw an invalid action exception
	    throw InvalidActionException("H5File constructor", "H5F_ACC_TRUNC attempt on an opened file.");
	}
	catch( FileIException E ) // catching truncating opened file
	{} // do nothing, FAIL expected

     	// Try with H5F_ACC_EXCL. This should fail too because the file already
     	// exists.
    	try {
	    H5File file3 (FILE1, H5F_ACC_EXCL);  // should throw E

	    // Should FAIL but didn't, so throw an invalid action exception
	    throw InvalidActionException("H5File constructor", "H5F_ACC_EXCL attempt on an existing file.");
    	}
	catch( FileIException E ) // catching H5F_ACC_EXCL on existing file
	{} // do nothing, FAIL expected

    	// Get the file-creation template
	FileCreatPropList tmpl1 = file1->getCreatePlist();

	hsize_t ublock = tmpl1.getUserblock();
	verify_val((long)ublock, (long)F1_USERBLOCK_SIZE, "FileCreatPropList::getUserblock", __LINE__, __FILE__);

    	size_t  parm1, parm2;		// file-creation parameters
	tmpl1.getSizes( parm1, parm2);
	verify_val(parm1, F1_OFFSET_SIZE, "FileCreatPropList::getSizes", __LINE__, __FILE__);
	verify_val(parm2, F1_LENGTH_SIZE, "FileCreatPropList::getSizes", __LINE__, __FILE__);

        unsigned  iparm1,iparm2;        // file-creation parameters
        tmpl1.getSymk( iparm1, iparm2);
        verify_val(iparm1, F1_SYM_INTERN_K, "FileCreatPropList::getSymk", __LINE__, __FILE__);
        verify_val(iparm2, F1_SYM_LEAF_K, "FileCreatPropList::getSymk", __LINE__, __FILE__);

	// tmpl1 is automatically closed; if error occurs, it'll be
	// caught in the catch block

	// Close first file
	delete file1;
    }
    catch (InvalidActionException E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;
        if (file1 != NULL) // clean up
            delete file1;
    }
    // catch all other exceptions
    catch (Exception E)
    {
	issue_fail_msg(E.getCFuncName(), __LINE__, __FILE__, E.getCDetailMsg());
        if (file1 != NULL) // clean up
            delete file1;
    }

    // Setting this to NULL for cleaning up in failure situations
    FileCreatPropList* tmpl1 = NULL;
    try
    {
    	// Create a new file with a non-standard file-creation template
	tmpl1 = new FileCreatPropList;

    	// Set the new file-creation parameters
	tmpl1->setUserblock (F2_USERBLOCK_SIZE);
	tmpl1->setSizes( F2_OFFSET_SIZE, F2_LENGTH_SIZE );
	tmpl1->setSymk( F2_SYM_INTERN_K, F2_SYM_LEAF_K );

     	// Try to create second file, with non-standard file-creation template
     	// params.
	H5File file2( FILE2, H5F_ACC_TRUNC, *tmpl1 );

    	// Release file-creation template
	delete tmpl1;
	tmpl1 = NULL;

	// Get the file-creation template
	tmpl1 = new FileCreatPropList (file2.getCreatePlist());

	// Get the file-creation parameters
	hsize_t ublock = tmpl1->getUserblock();
	verify_val((long)ublock, (long)F2_USERBLOCK_SIZE, "FileCreatPropList::getUserblock", __LINE__, __FILE__);

    	size_t  parm1, parm2;		// file-creation parameters
	tmpl1->getSizes( parm1, parm2);
	verify_val(parm1, F2_OFFSET_SIZE, "FileCreatPropList::getSizes", __LINE__, __FILE__);
	verify_val(parm2, F2_LENGTH_SIZE, "FileCreatPropList::getSizes", __LINE__, __FILE__);

        unsigned  iparm1,iparm2;	// file-creation parameters
        tmpl1->getSymk( iparm1, iparm2);
        verify_val(iparm1, F2_SYM_INTERN_K, "FileCreatPropList::getSymk", __LINE__, __FILE__);
        verify_val(iparm2, F2_SYM_LEAF_K, "FileCreatPropList::getSymk", __LINE__, __FILE__);

	// Clone the file-creation template
	FileCreatPropList tmpl2;
	tmpl2.copy (*tmpl1);

	// Release file-creation template
	delete tmpl1;
	tmpl1 = NULL;

	// Set the new file-creation parameter
	tmpl2.setUserblock( F3_USERBLOCK_SIZE );

	// Try to create second file, with non-standard file-creation template
	// params
	H5File file3( FILE3, H5F_ACC_TRUNC, tmpl2 );

	// Get the file-creation template
	tmpl1 = new FileCreatPropList (file3.getCreatePlist());

	// Get the file-creation parameters
	ublock = tmpl1->getUserblock();
	verify_val((long)ublock, (long)F3_USERBLOCK_SIZE, "FileCreatPropList::getUserblock", __LINE__, __FILE__);

	tmpl1->getSizes( parm1, parm2);
	verify_val(parm1, F3_OFFSET_SIZE, "FileCreatPropList::getSizes", __LINE__, __FILE__);
	verify_val(parm2, F3_LENGTH_SIZE, "FileCreatPropList::getSizes", __LINE__, __FILE__);

    	tmpl1->getSymk( iparm1, iparm2);
	verify_val(iparm1, F3_SYM_INTERN_K, "FileCreatPropList::getSymk", __LINE__, __FILE__);
	verify_val(iparm2, F3_SYM_LEAF_K, "FileCreatPropList::getSymk", __LINE__, __FILE__);

	// Release file-creation template
	delete tmpl1;
    }
    // catch all exceptions
    catch (Exception E)
    {
	issue_fail_msg(E.getCFuncName(), __LINE__, __FILE__, E.getCDetailMsg());
	if (tmpl1 != NULL)  // clean up
	    delete tmpl1;
    }
}   // test_file_create()


/*-------------------------------------------------------------------------
 * Function:    test_file_open
 *
 * Purpose:     Test file accesses
 *
 * Return:      None
 *
 * Programmer:  Binh-Minh Ribler (use C version)
 *              January, 2001
 *
 * Modifications:
 *	January, 2005: C tests' macro VERIFY casts values to 'long' for all
 *		       cases.  Since there are no operator<< for 'long long'
 *		       or int64 in VS C++ ostream, I casted the hsize_t values
 *		       passed to verify_val to 'long' as well.  If problems
 *		       arises later, this will have to be specificly handled
 *		       with a special routine.
 *
 *-------------------------------------------------------------------------
 */
static void
test_file_open(void)
{
    // Output message about test being performed
    MESSAGE(5, ("Testing File Opening I/O\n"));

    try {

	// Open first file
	H5File file1 (FILE2, H5F_ACC_RDWR );

	// Get the file-creation template
	FileCreatPropList tmpl1 = file1.getCreatePlist();

	// Get the file-creation parameters
	hsize_t ublock = tmpl1.getUserblock();
	verify_val((long)ublock, (long)F2_USERBLOCK_SIZE, "FileCreatPropList::getUserblock", __LINE__, __FILE__);

    	size_t  parm1, parm2;		// file-creation parameters
	tmpl1.getSizes( parm1, parm2);
	verify_val(parm1, F2_OFFSET_SIZE, "FileCreatPropList::getSizes", __LINE__, __FILE__);
	verify_val(parm2, F2_LENGTH_SIZE, "FileCreatPropList::getSizes", __LINE__, __FILE__);

        unsigned  iparm1,iparm2;       // file-creation parameters
        tmpl1.getSymk( iparm1, iparm2);
        verify_val(iparm1, F2_SYM_INTERN_K, "FileCreatPropList::getSymk", __LINE__, __FILE__);
        verify_val(iparm2, F2_SYM_LEAF_K, "FileCreatPropList::getSymk", __LINE__, __FILE__);
    }   // end of try block

    catch( Exception E ) {
        issue_fail_msg(E.getCFuncName(), __LINE__, __FILE__, E.getCDetailMsg());
    }
}   // test_file_open()


/*-------------------------------------------------------------------------
 * Function:    test_file_size
 *
 * Purpose:     Test file size.
 *
 * Return:      None
 *
 * Programmer:  Raymond Lu
 *              June, 2004
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static void
test_file_size(void)
{
    // Output message about test being performed
    MESSAGE(5, ("Testing File Size\n"));

    hid_t	fapl_id;
    fapl_id = h5_fileaccess(); // in h5test.c, returns a file access template

    try {
        // Use the file access template id to create a file access prop.
        // list object to pass in H5File::H5File
        FileAccPropList fapl(fapl_id);

    	// Set to sec2 driver.  Do we want to test other file drivers?
        // They're not tested in C++.
        // File drivers seem not implemented.
	// fapl.setSec2();

        // Create a file
	H5File file4( FILE4, H5F_ACC_TRUNC, FileCreatPropList::DEFAULT, fapl);

        // Get file size
        hsize_t file_size = file4.getFileSize();

        // Check if file size is reasonable.  It's supposed to be 2KB now.
        if(file_size<1*KB || file_size>4*KB)
            issue_fail_msg("H5File::getFileSize", __LINE__, __FILE__);
    }   // end of try block

    catch( Exception E ) {
        issue_fail_msg(E.getCFuncName(), __LINE__, __FILE__, E.getCDetailMsg());
    }

    // use C test utility routine to close property list.
    H5Pclose(fapl_id);

}   // test_file_size()


/*-------------------------------------------------------------------------
 * Function:    test_file_name
 *
 * Purpose:     Test getting file's name.
 *
 * Return:      None
 *
 * Programmer:  Binh-Minh Ribler
 *              July, 2004
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
const int	RANK = 2;
const int	NX = 4;
const int	NY = 5;
const string	GROUPNAME ("group");
const string	DSETNAME ("dataset");
const string	ATTRNAME ("attribute");
const string	DTYPENAME ("compound");

// Compound datatype
typedef struct s1_t {
    unsigned int a;
    float        b;
} s1_t;

static void
test_file_name()
{
    // Output message about test being performed
    MESSAGE(5, ("Testing File Name\n"));

    string file_name;
    try {
        // Create a file using default properties.
	H5File file4(FILE4, H5F_ACC_TRUNC);

        // Get file name from the file instance.
        file_name = file4.getFileName();
	verify_val(file_name, FILE4, "H5File::getFileName", __LINE__, __FILE__);

	// Create a group in the root group
	Group group(file4.createGroup(GROUPNAME, 0));

	// Get and verify file name
	file_name = group.getFileName();
	verify_val(file_name, FILE4, "Group::getFileName", __LINE__, __FILE__);

	// Create the data space
	hsize_t dims[RANK] = {NX, NY};
	DataSpace space(RANK, dims);

	// Create a new dataset
	DataSet dataset(file4.createDataSet (DSETNAME, PredType::NATIVE_INT, space));

	// Get and verify file name
	file_name = dataset.getFileName();
	verify_val(file_name, FILE4, "DataSet::getFileName", __LINE__, __FILE__);

	// Create an attribute for the dataset
	Attribute attr(dataset.createAttribute(ATTRNAME, PredType::NATIVE_INT, space));

	// Get and verify file name
	file_name = attr.getFileName();
	verify_val(file_name, FILE4, "Attribute::getFileName", __LINE__, __FILE__);

	// Create a compound datatype
	CompType comp_type (sizeof(s1_t));

	// Insert fields
	comp_type.insertMember("a", HOFFSET(s1_t, a), PredType::NATIVE_INT);
	comp_type.insertMember("b", HOFFSET(s1_t, b), PredType::NATIVE_FLOAT);

	// Save it on file
	comp_type.commit(file4, DTYPENAME);

	// Get and verify file name
	comp_type.getFileName();
	verify_val(file_name, FILE4, "CompType::getFileName", __LINE__, __FILE__);
    }   // end of try block

    catch (Exception E) {
        issue_fail_msg(E.getCFuncName(), __LINE__, __FILE__, E.getCDetailMsg());
    }

}   // test_file_name()


/*-------------------------------------------------------------------------
 * Function:    test_file
 *
 * Purpose:     Main file testing routine
 *
 * Return:      None
 *
 * Programmer:  Binh-Minh Ribler (use C version)
 *              January 2001
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
void
test_file(void)
{
    // Output message about test being performed
    MESSAGE(5, ("Testing File I/O operations\n"));

    test_file_create();	// Test file creation (also creation templates)
    test_file_open();	// Test file opening
    test_file_size();	// Test file size
    test_file_name();	// Test getting file's name
}   // test_file()


/*-------------------------------------------------------------------------
 * Function:	cleanup_file
 *
 * Purpose:	Cleanup temporary test files
 *
 * Return:	none
 *
 * Programmer:  (use C version)
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
void
cleanup_file(void)
{
    remove(FILE1.c_str());
    remove(FILE2.c_str());
    remove(FILE3.c_str());
    remove(FILE4.c_str());
}   // cleanup_file