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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * 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://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from help@hdfgroup.org.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*****************************************************************************
   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
using std::cerr;
using std::endl;

#include <string>
#include "H5Cpp.h"      // C++ API header file
using namespace H5;

#include "h5test.h"
#include "h5cpputil.h"  // C++ utilility header file
#include "H5srcdir.h"   // srcdir querying header file

const H5std_string    TESTFILE("th5s.h5");
const H5std_string    DATAFILE("th5s1.h5");

/* 3-D dataset with fixed dimensions */
const H5std_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 H5std_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 H5std_string SPACE3_NAME("Scalar1");
const int SPACE3_RANK = 0;
unsigned space3_data=65;

/* Scalar dataset with compound datatype */
const H5std_string SPACE4_NAME("Scalar2");
const H5std_string SPACE4_FIELDNAME1("c1");
const H5std_string SPACE4_FIELDNAME2("u");
const H5std_string SPACE4_FIELDNAME3("f");
const H5std_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:
 *      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 hssize_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.
 *     April 12, 2011: Raymond Lu
 *              Starting from the 1.8.7 release, we allow dimension
 *              size to be zero.  So I took out the test against it.
 *-------------------------------------------------------------------------
 */
static void test_h5s_basic()
{
    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
    SUBTEST("Dataspace Manipulation");

    try {
        // 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((long)n, (long)(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(ndims, SPACE1_RANK, "DataSpace::getSimpleExtentDims", __LINE__, __FILE__);
        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((long)n, (long)(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__);

        // 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 throw an invalid action exception
            throw InvalidActionException("DataSpace constructor", "Library allowed overwrite of existing dataset");
        }
        catch (DataSpaceIException& E) // Simple data space with too many dims
        {} // do nothing, exception 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 *tmp_str = new char[TESTFILE.length()+1];
        strcpy(tmp_str, TESTFILE.c_str());
        const char *testfile = H5_get_srcdir_filename(tmp_str);
        delete []tmp_str;

        // 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" );

            // Should FAIL but didn't, so throw an invalid action exception
            throw InvalidActionException("H5File::openDataSet", "Opening a dataset with higher dimensionality than what the library can handle");
        }
        catch (FileIException& E) // catching higher dimensionality dataset
        {} // do nothing, exception expected

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

        PASSED();
    }        // end of try block

    catch (InvalidActionException& E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;
    }
    // catch all other exceptions
    catch (Exception& E)
    {
        issue_fail_msg("test_h5s_basic()", __LINE__, __FILE__, E.getCDetailMsg());
    }
}   // 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:
 *      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 hssize_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_h5s_scalar_write()
{
    // Output message about test being performed
    SUBTEST("Scalar Dataspace Writing");

    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((long)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 and write a dataset
        DataSet dataset = fid1.createDataSet("Dataset1", PredType::NATIVE_UINT,sid1);
        dataset.write(&space3_data, PredType::NATIVE_UINT);

        PASSED();
    } // end of try block
    catch (Exception& E)
    {
        issue_fail_msg("test_h5s_scalar_write()", __LINE__, __FILE__, E.getCDetailMsg());
    }
}   // 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:
 *      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 hssize_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_h5s_scalar_read()
{
    hsize_t tdims[4]; // Dimension array to test with

    // Output message about test being performed
    SUBTEST("Scalar Dataspace Reading");

    try {
        // Open 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((long)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__);

        // Read data back and verify it
        unsigned rdata; // Scalar data read in
        dataset.read(&rdata, PredType::NATIVE_UINT);
        verify_val(rdata, space3_data, "DataSet::read", __LINE__, __FILE__);

        PASSED();
    }   // end of try block
    catch (Exception& E)
    {
        // all the exceptions caused by negative returned values by C APIs
        issue_fail_msg("test_h5s_scalar_read()", __LINE__, __FILE__, E.getCDetailMsg());
    }

}   // 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:
 *      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 hssize_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_h5s_null()
{
    // Output message about test being performed
    SUBTEST("Null Dataspace Writing");

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

        // Create scalar dataspace
        DataSpace sid1(H5S_NULL);

        hssize_t n; // Number of dataspace elements
        n = sid1.getSimpleExtentNpoints();
        verify_val((long)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__);

        PASSED();
    } // end of try block
    catch (Exception& E)
    {
        issue_fail_msg("test_h5s_null()", __LINE__, __FILE__, E.getCDetailMsg());
    }
}   // 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:
 *      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 hssize_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_h5s_compound_scalar_write()
{
    // Output message about test being performed
    SUBTEST("Compound Dataspace Writing");

    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((long)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 and write a dataset
        DataSet dataset = fid1.createDataSet("Dataset1", tid1, sid1);
        dataset.write(&space4_data, tid1);

        PASSED();
    }        // end of try block
    catch (Exception& E)
    {
        // all the exceptions caused by negative returned values by C APIs
        issue_fail_msg("test_h5s_compound_scalar_write()", __LINE__, __FILE__, E.getCDetailMsg());
    }
}   // 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:
 *      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 hssize_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_h5s_compound_scalar_read()
{
    hsize_t tdims[4]; // Dimension array to test with

    // Output message about test being performed
    SUBTEST("Compound Dataspace Reading");
    try {
        // Open 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((long)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
        PASSED();
    }   // end of try block
    catch (Exception& E)
    {
        // all the exceptions caused by negative returned values by C APIs
        issue_fail_msg("test_h5s_compound_scalar_read()", __LINE__, __FILE__, E.getCDetailMsg());
    }
}   // test_h5s_compound_scalar_read()

/*-------------------------------------------------------------------------
 *
 * Function:    test_h5s
 *
 * Purpose      Main dataspace testing routine
 *
 * Return       none
 *
 * Programmer   Binh-Minh Ribler (using C version)
 *              Mar 2001
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
extern "C"
void test_h5s()
{
    // 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:
 *
 *-------------------------------------------------------------------------
 */
extern "C"
void cleanup_h5s()
{
    HDremove(DATAFILE.c_str());
}   // cleanup_h5s