path: root/c++/test/th5s.cpp

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  * Copyright by the Board of Trustees of the University of Illinois.         *
  * All rights reserved.                                                      *
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  * root level of an installed copy of the electronic HDF5 document set and   *
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/*****************************************************************************
   FILE
   th5s.cpp - HDF5 C++ testing the functionalities associated with the
        C dataspace interface (H5S)

   EXTERNAL ROUTINES/VARIABLES:

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

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

#include "testhdf5.h"
#include "H5Cpp.h"
#include "h5cpputil.h"

#ifndef H5_NO_NAMESPACE
using namespace H5;
#endif  /* !H5_NO_NAMESPACE */

const string    TESTFILE("th5s.h5");
const string    DATAFILE("th5s1.h5");

/* 3-D dataset with fixed dimensions */
const string SPACE1_NAME("Space1");
const int SPACE1_RANK = 3;
const int SPACE1_DIM1 = 3;
const int SPACE1_DIM2 = 15;
const int SPACE1_DIM3 = 13;

/* 4-D dataset with one unlimited dimension */
const string SPACE2_NAME("Space2");
const int SPACE2_RANK = 4;
const int SPACE2_DIM1 = 0;
const int SPACE2_DIM2 = 15;
const int SPACE2_DIM3 = 13;
const int SPACE2_DIM4 = 23;
const hsize_t SPACE2_MAX1 = H5S_UNLIMITED;
const hsize_t SPACE2_MAX2 = 15;
const hsize_t SPACE2_MAX3 = 13;
const hsize_t SPACE2_MAX4 = 23;

/* Scalar dataset with simple datatype */
const string SPACE3_NAME("Scalar1");
const int SPACE3_RANK = 0;
unsigned space3_data=65;

/* Scalar dataset with compound datatype */
const string SPACE4_NAME("Scalar2");
const int SPACE4_RANK = 0;
const string SPACE4_FIELDNAME1("c1");
const string SPACE4_FIELDNAME2("u");
const string SPACE4_FIELDNAME3("f");
const string SPACE4_FIELDNAME4("c2");
size_t space4_field1_off=0;
size_t space4_field2_off=0;
size_t space4_field3_off=0;
size_t space4_field4_off=0;
struct space4_struct {
    char c1;
    unsigned u;
    float f;
    char c2;
 } space4_data={'v',987123,(float)-3.14,'g'}; /* Test data for 4th dataspace */

/* Null dataspace */
int space5_data = 7;

/*-------------------------------------------------------------------------
 *  
 * Function:	test_h5s_basic
 *
 * Purpose:	Test basic H5S (dataspace) code
 *
 * Return:	none
 *
 * Programmer:	Binh-Minh Ribler (using C version)
 *              Mar 2001
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
static void 
test_h5s_basic(void)
{
    hsize_t		dims1[] = {SPACE1_DIM1, SPACE1_DIM2, SPACE1_DIM3};
    hsize_t		dims2[] = {SPACE2_DIM1, SPACE2_DIM2, SPACE2_DIM3,
				   SPACE2_DIM4};
    hsize_t		dims3[H5S_MAX_RANK+1];
    hsize_t		tmax[4];

    /* Output message about test being performed */
    MESSAGE(5, ("Testing Dataspace Manipulation\n"));

    try 
    { // beginning of first try block

	/* Create file - removed this since the following operations don't
	need the file to be opened */

	// Create simple dataspace sid1
	DataSpace sid1 (SPACE1_RANK, dims1 );

	// Get simple extent npoints of the dataspace sid1 and verify it
	hssize_t	n;	 	/* Number of dataspace elements */
	n = sid1.getSimpleExtentNpoints();
	verify_val(n, SPACE1_DIM1 * SPACE1_DIM2 * SPACE1_DIM3,
	   "DataSpace::getSimpleExtentNpoints", __LINE__, __FILE__);

	// Get the logical rank of dataspace sid1 and verify it
	int	rank;		/* Logical rank of dataspace	*/
	rank = sid1.getSimpleExtentNdims();
	verify_val(rank, SPACE1_RANK, "DataSpace::getSimpleExtentNdims", __LINE__, __FILE__);

	// Retrieves dimension size of dataspace sid1 and verify it
	int ndims;		/* Number of dimensions		*/
	hsize_t	tdims[4];	/* Dimension array to test with */
	ndims = sid1.getSimpleExtentDims( tdims );
	verify_val(HDmemcmp(tdims, dims1, SPACE1_RANK * sizeof(unsigned)), 0,
	   "DataSpace::getSimpleExtentDims", __LINE__, __FILE__);

	// Create simple dataspace sid2
	hsize_t	max2[] = {SPACE2_MAX1, SPACE2_MAX2, SPACE2_MAX3, SPACE2_MAX4};
	DataSpace sid2 (SPACE2_RANK, dims2, max2);

	// Get simple extent npoints of dataspace sid2 and verify it
	n = sid2.getSimpleExtentNpoints();
	verify_val(n, SPACE2_DIM1 * SPACE2_DIM2 * SPACE2_DIM3 * SPACE2_DIM4,
	   "DataSpace::getSimpleExtentNpoints", __LINE__, __FILE__);

	// Get the logical rank of dataspace sid2 and verify it
	rank = sid2.getSimpleExtentNdims();
	verify_val(rank, SPACE2_RANK, "DataSpace::getSimpleExtentNdims", __LINE__, __FILE__);

	// Retrieves dimension size and max size of dataspace sid2 and 
	// verify them
	ndims = sid2.getSimpleExtentDims( tdims, tmax );
	verify_val(HDmemcmp(tdims, dims2, SPACE2_RANK * sizeof(unsigned)), 0,
	   "DataSpace::getSimpleExtentDims", __LINE__, __FILE__);
	verify_val(HDmemcmp(tmax, max2, SPACE2_RANK * sizeof(unsigned)), 0,
	   "DataSpace::getSimpleExtentDims", __LINE__, __FILE__);
    }	// end of first try block
    catch( DataSpaceIException error ) 
    {
        issue_fail_msg(error.getCFuncName(), __LINE__, __FILE__);
    }

    /*
    * Check to be sure we can't create a simple data space that has too many
    * dimensions.
    */
    try { 
	DataSpace manydims_ds(H5S_MAX_RANK+1, dims3, NULL);

	// Should FAIL but didn't, so issue an error message
	issue_fail_msg("DataSpace constructor", __LINE__, __FILE__);
    }
    catch( DataSpaceIException error ) {} // do nothing, FAIL expected

    /*
     * Try reading a file that has been prepared that has a dataset with a
     * higher dimensionality than what the library can handle.
     *
     * If this test fails and the H5S_MAX_RANK variable has changed, follow
     * the instructions in space_overflow.c for regenating the th5s.h5 file.
     */
    char testfile[512]="";
    char *srcdir = getenv("srcdir");
    if (srcdir && ((strlen(srcdir) + strlen(TESTFILE.c_str()) + 1) < sizeof(testfile))){
	strcpy(testfile, srcdir);
	strcat(testfile, "/");
    }
    strcat(testfile, TESTFILE.c_str());
    try {  // try block for testing higher dimensionality

	// Create file
	H5File fid1(testfile, H5F_ACC_RDONLY);

	// Try to open the dataset that has higher dimensionality than 
	// what the library can handle and this operation should fail.
	try {
	    DataSet dset1 = fid1.openDataSet( "dset" ); 

	    // but didn't, issue an error message
	    issue_fail_msg("H5File::openDataSet", __LINE__, __FILE__);
	}
	catch( FileIException error ) { } // do nothing, FAIL expected
    }	// end of try block for testing higher dimensionality

    // catch exception thrown by H5File constructor
    catch( FileIException error ) {
    	issue_fail_msg(error.getCFuncName(), __LINE__, __FILE__);
	cerr << "***cannot open the pre-created H5S_MAX_RANK test file" <<
	    testfile << endl;
    }

    // CHECK_I(ret, "H5Fclose");  // leave this here, later, fake a failure
		// in the p_close see how this will handle it. - BMR

    /* Verify that incorrect dimensions don't work */
    dims1[0] = 0;
    try {
	DataSpace wrongdim_ds (SPACE1_RANK, dims1); 
	verify_val(wrongdim_ds.getId(), FAIL, "DataSpace constructor", __LINE__, __FILE__);
    }
    catch( DataSpaceIException error ) {} // do nothing; FAIL expected 

    // Create a simple dataspace
    DataSpace sid3 (H5S_SIMPLE);

    // Attempts to use incorrect dimensions, should fail
    try {
	sid3.setExtentSimple( SPACE1_RANK, dims1 );

        // but didn't, issue an error message
        issue_fail_msg("DataSpace::setExtentSimple", __LINE__, __FILE__);
    }
    catch (DataSpaceIException error) {}  // do nothing, FAIL expected
}				/* test_h5s_basic() */

/*-------------------------------------------------------------------------
 *  
 * Function:	test_h5s_scalar_write
 *
 * Purpose:	Test scalar H5S (dataspace) writing code
 *
 * Return:	none
 *
 * Programmer:	Binh-Minh Ribler (using C version)
 *              Mar 2001
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
static void 
test_h5s_scalar_write(void)
{

    /* Output message about test being performed */
    MESSAGE(5, ("Testing Scalar Dataspace Writing\n"));

    try
    {
	// Create file
	H5File fid1(DATAFILE, H5F_ACC_TRUNC);

	/* Create scalar dataspace */
	DataSpace sid1(SPACE3_RANK, NULL);

	//n = H5Sget_simple_extent_npoints(sid1);
	hssize_t	n;	 	/* Number of dataspace elements */
	n = sid1.getSimpleExtentNpoints();
	verify_val(n, 1, "DataSpace::getSimpleExtentNpoints", __LINE__, __FILE__);

	int	rank;		/* Logical rank of dataspace	*/
	rank = sid1.getSimpleExtentNdims();
	verify_val(rank, SPACE3_RANK, "DataSpace::getSimpleExtentNdims", __LINE__, __FILE__);

	// Retrieves dimension size of dataspace sid1 and verify it
	int ndims;		/* Number of dimensions		*/
	hsize_t	tdims[4];	/* Dimension array to test with */
	ndims = sid1.getSimpleExtentDims( tdims );
	verify_val(ndims, 0, "DataSpace::getSimpleExtentDims", __LINE__, __FILE__);

	/* Verify extent type */
	H5S_class_t ext_type;   /* Extent type */
	ext_type = sid1.getSimpleExtentType();
	verify_val(ext_type, H5S_SCALAR, "DataSpace::getSimpleExtentType", __LINE__, __FILE__);

	/* Create a dataset */
	DataSet dataset = fid1.createDataSet("Dataset1", PredType::NATIVE_UINT,sid1);

	dataset.write(&space3_data, PredType::NATIVE_UINT);
    } // end of try block
    catch (Exception error)
    {
	issue_fail_msg(error.getCFuncName(), __LINE__, __FILE__);
    }
}				/* test_h5s_scalar_write() */

/*-------------------------------------------------------------------------
 *  
 * Function:	test_h5s_scalar_read
 *
 * Purpose:	Test scalar H5S (dataspace) reading code
 *
 * Return:	none
 *
 * Programmer:	Binh-Minh Ribler (using C version)
 *              Mar 2001
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
static void 
test_h5s_scalar_read(void)
{
    hsize_t		tdims[4];	/* Dimension array to test with */

    /* Output message about test being performed */
    MESSAGE(5, ("Testing Scalar Dataspace Reading\n"));

    try
    {
	/* Create file */
	H5File fid1(DATAFILE, H5F_ACC_RDWR);

	/* Create a dataset */
	DataSet dataset = fid1.openDataSet("Dataset1");

	DataSpace sid1 = dataset.getSpace();

	// Get the number of dataspace elements
	hssize_t n = sid1.getSimpleExtentNpoints();
	verify_val(n, 1, "DataSpace::getSimpleExtentNpoints", __LINE__, __FILE__);

	// Get the logical rank of the dataspace
	int ndims = sid1.getSimpleExtentNdims();
	verify_val(ndims, SPACE3_RANK, "DataSpace::getSimpleExtentNdims", __LINE__, __FILE__);

	ndims = sid1.getSimpleExtentDims(tdims);
	verify_val(ndims, 0, "DataSpace::getSimpleExtentDims", __LINE__, __FILE__);

	unsigned      	rdata;      	/* Scalar data read in 		*/
	dataset.read(&rdata, PredType::NATIVE_UINT);
	verify_val(rdata, space3_data, "DataSet::read", __LINE__, __FILE__);
    }   // end of try block
    catch (Exception error)
    {
	// all the exceptions caused by negative returned values by C APIs
	issue_fail_msg(error.getCFuncName(), __LINE__, __FILE__);
    }
    
}				/* test_h5s_scalar_read() */

/*-------------------------------------------------------------------------
 *  
 * Function:	test_h5s_null
 *
 * Purpose:	Test null H5S (dataspace) code
 *
 * Return:	none
 *
 * Programmer:	Raymond Lu (using C version)
 *              May 18, 2004
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
static void 
test_h5s_null(void)
{

    /* Output message about test being performed */
    MESSAGE(5, ("Testing Null Dataspace Writing\n"));

    try
    {
	// Create file
	H5File fid1(DATAFILE, H5F_ACC_TRUNC);

	/* Create scalar dataspace */
	DataSpace sid1(H5S_NULL);

	//n = H5Sget_simple_extent_npoints(sid1);
	hssize_t	n;	 	/* Number of dataspace elements */
	n = sid1.getSimpleExtentNpoints();
	verify_val(n, 0, "DataSpace::getSimpleExtentNpoints", __LINE__, __FILE__);

	// Create a dataset 
	DataSet dataset = fid1.createDataSet("Dataset1", PredType::NATIVE_UINT,sid1);

        // Try to write nothing to the dataset
	dataset.write(&space5_data, PredType::NATIVE_INT);

        // Read the data.  Make sure no change to the buffer
	dataset.read(&space5_data, PredType::NATIVE_INT);
	verify_val(space5_data, 7, "DataSet::read", __LINE__, __FILE__);
    } // end of try block
    catch (Exception error)
    {
	issue_fail_msg(error.getCFuncName(), __LINE__, __FILE__);
    }
}				/* test_h5s_null() */

/*-------------------------------------------------------------------------
 *  
 * Function:	test_h5s_compound_scalar_write
 *
 * Purpose:	Test scalar H5S (dataspace) writing for compound 
 *		datatypes
 *
 * Return:	none
 *
 * Programmer:	Binh-Minh Ribler (using C version)
 *              Mar 2001
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
static void 
test_h5s_compound_scalar_write(void)
{

    /* Output message about test being performed */
    MESSAGE(5, ("Testing Compound Dataspace Writing\n"));

    try
    {
	/* Create file */
	H5File fid1(DATAFILE, H5F_ACC_TRUNC);

	/* Create the compound datatype.  */
	CompType tid1(sizeof(struct space4_struct));
	space4_field1_off=HOFFSET(struct space4_struct, c1);
	tid1.insertMember(SPACE4_FIELDNAME1, space4_field1_off,
		    PredType::NATIVE_SCHAR);
	space4_field2_off=HOFFSET(struct space4_struct, u);
	tid1.insertMember(SPACE4_FIELDNAME2, space4_field2_off,
		    PredType::NATIVE_UINT);
	space4_field3_off=HOFFSET(struct space4_struct, f);
	tid1.insertMember(SPACE4_FIELDNAME3, space4_field3_off,
		    PredType::NATIVE_FLOAT);
	space4_field4_off=HOFFSET(struct space4_struct, c2);
	tid1.insertMember(SPACE4_FIELDNAME4, space4_field4_off,
		    PredType::NATIVE_SCHAR);

	/* Create scalar dataspace */
	DataSpace sid1(SPACE3_RANK, NULL);

	// Get the number of dataspace elements
	hssize_t n = sid1.getSimpleExtentNpoints();
	verify_val(n, 1, "DataSpace::getSimpleExtentNpoints", __LINE__, __FILE__);

	// Get the logical rank of the dataspace
	int ndims = sid1.getSimpleExtentNdims();
	verify_val(ndims, SPACE3_RANK, "DataSpace::getSimpleExtentNdims", __LINE__, __FILE__);

	hsize_t		tdims[4];	/* Dimension array to test with */
	ndims = sid1.getSimpleExtentDims(tdims);
	verify_val(ndims, 0, "DataSpace::getSimpleExtentDims", __LINE__, __FILE__);

	/* Create a dataset */
	DataSet dataset = fid1.createDataSet("Dataset1", tid1, sid1);

	dataset.write(&space4_data, tid1);
    }	// end of try block
    catch (Exception error)
    {
	// all the exceptions caused by negative returned values by C APIs
	issue_fail_msg(error.getCFuncName(), __LINE__, __FILE__);
    }

}				/* test_h5s_compound_scalar_write() */

/*-------------------------------------------------------------------------
 *  
 * Function:	test_h5s_compound_scalar_read
 *
 * Purpose:	Test scalar H5S (dataspace) reading for compound 
 *		datatypes
 *
 * Return:	none
 *
 * Programmer:	Binh-Minh Ribler (using C version)
 *              Mar 2001
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
static void 
test_h5s_compound_scalar_read(void)
{
    hsize_t		tdims[4];	/* Dimension array to test with */

    /* Output message about test being performed */
    MESSAGE(5, ("Testing Compound Dataspace Reading\n"));
    try
    {
	/* Create file */
	H5File fid1(DATAFILE, H5F_ACC_RDWR);

	/* Create a dataset */
	DataSet dataset = fid1.openDataSet("Dataset1");

	DataSpace sid1 = dataset.getSpace();

	// Get the number of dataspace elements
	hssize_t n = sid1.getSimpleExtentNpoints();
	verify_val(n, 1, "DataSpace::getSimpleExtentNpoints", __LINE__, __FILE__);

	// Get the logical rank of the dataspace
	int ndims = sid1.getSimpleExtentNdims();
	verify_val(ndims, SPACE3_RANK, "DataSpace::getSimpleExtentNdims", __LINE__, __FILE__);

	ndims = sid1.getSimpleExtentDims(tdims);
	verify_val(ndims, 0, "DataSpace::getSimpleExtentDims", __LINE__, __FILE__);

	// Get the datatype of this dataset.
	CompType type(dataset);
     
	struct space4_struct rdata; 	/* Scalar data read in 		*/
	dataset.read(&rdata, type);

	// Verify read data
	if(HDmemcmp(&space4_data,&rdata,sizeof(struct space4_struct)))
	{
            cerr << "scalar data different: space4_data.c1=" 
		<< space4_data.c1 << ", read_data4.c1=" << rdata.c1 << endl;
            cerr << "scalar data different: space4_data.u="
		<< space4_data.u << ", read_data4.u=" << rdata.u << endl;
            cerr << "scalar data different: space4_data.f="
		<< space4_data.f << ", read_data4.f=" << rdata.f << endl;
            TestErrPrintf("scalar data different: space4_data.c1=%c, read_data4.c1=%c\n",
		space4_data.c1, rdata.c2);
	} /* end if */
    }   // end of try block
    catch (Exception error)
    {
	// all the exceptions caused by negative returned values by C APIs
	issue_fail_msg(error.getCFuncName(), __LINE__, __FILE__);
    }
}				/* test_h5s_compound_scalar_read() */

/*-------------------------------------------------------------------------
 *  
 * Function:	test_h5s
 *
 * Purpose:	Main H5S (dataspace) testing routine
 *
 * Return:	none
 *
 * Programmer:	Binh-Minh Ribler (using C version)
 *              Mar 2001
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
void 
test_h5s(void)
{
    /* Output message about test being performed */
    MESSAGE(5, ("Testing Dataspaces\n"));

    test_h5s_basic();		/* Test basic H5S code */
    test_h5s_scalar_write();	/* Test scalar H5S writing code */
    test_h5s_scalar_read();	/* Test scalar H5S reading code */
    test_h5s_null();		/* Test null H5S code  */
    test_h5s_compound_scalar_write();	/* Test compound datatype scalar H5S writing code */
    test_h5s_compound_scalar_read();	/* Test compound datatype scalar H5S reading code */
} /* test_h5s() */


/*-------------------------------------------------------------------------
 * Function:	cleanup_h5s
 *
 * Purpose:	Cleanup temporary test files
 *
 * Return:	none
 *
 * Programmer:	Albert Cheng
 *              July 2, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
void
cleanup_h5s(void)
{
    remove(DATAFILE.c_str());
}