hdf5/c++/test/th5s.cpp

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/*
* Copyright (C) 2001 National Center for Supercomputing Applications
* All rights reserved.
*
*/
/***********************************************************
*
* Test program: th5s
*
* Test the dataspace functionality
*
*************************************************************/
#include <iostream>
#include "H5Cpp.h"
#include "testhdf5.h"
#ifndef H5_NO_NAMESPACE
using namespace H5;
#endif /* !H5_NO_NAMESPACE */
#define TESTFILE "th5s.h5"
#define DATAFILE "th5s1.h5"
/* 3-D dataset with fixed dimensions */
#define SPACE1_NAME "Space1"
#define SPACE1_RANK 3
#define SPACE1_DIM1 3
#define SPACE1_DIM2 15
#define SPACE1_DIM3 13
/* 4-D dataset with one unlimited dimension */
#define SPACE2_NAME "Space2"
#define SPACE2_RANK 4
#define SPACE2_DIM1 0
#define SPACE2_DIM2 15
#define SPACE2_DIM3 13
#define SPACE2_DIM4 23
#define SPACE2_MAX1 H5S_UNLIMITED
#define SPACE2_MAX2 15
#define SPACE2_MAX3 13
#define SPACE2_MAX4 23
/* Scalar dataset with simple datatype */
#define SPACE3_NAME "Scalar1"
#define SPACE3_RANK 0
unsigned space3_data=65;
/* Scalar dataset with compound datatype */
#define SPACE4_NAME "Scalar2"
#define SPACE4_RANK 0
#define SPACE4_FIELDNAME1 "c1"
#define SPACE4_FIELDNAME2 "u"
#define SPACE4_FIELDNAME3 "f"
#define 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,-3.14,'g'}; /* Test data for 4th dataspace */
/*-------------------------------------------------------------------------
*
* 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(n, SPACE1_DIM1 * SPACE1_DIM2 * SPACE1_DIM3,
"H5Sget_simple_extent_npoints");
// Get the logical rank of dataspace sid1 and verify it
int rank; /* Logical rank of dataspace */
rank = sid1.getSimpleExtentNdims();
VERIFY(rank, SPACE1_RANK, "H5Sget_simple_extent_ndims");
// 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(HDmemcmp(tdims, dims1, SPACE1_RANK * sizeof(unsigned)), 0,
"H5Sget_simple_extent_dims");
// 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(n, SPACE2_DIM1 * SPACE2_DIM2 * SPACE2_DIM3 * SPACE2_DIM4,
"H5Sget_simple_extent_npoints");
// Get the logical rank of dataspace sid2 and verify it
rank = sid2.getSimpleExtentNdims();
VERIFY(rank, SPACE2_RANK, "H5Sget_simple_extent_ndims");
// Retrieves dimension size and max size of dataspace sid2 and
// verify them
ndims = sid2.getSimpleExtentDims( tdims, tmax );
VERIFY(HDmemcmp(tdims, dims2, SPACE2_RANK * sizeof(unsigned)), 0,
"H5Sget_simple_extent_dims");
VERIFY(HDmemcmp(tmax, max2, SPACE2_RANK * sizeof(unsigned)), 0,
"H5Sget_simple_extent_dims");
} // end of first try block
catch( DataSpaceIException error )
{
CHECK(FAIL, FAIL, error.getCFuncName());
}
/*
* 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 - BMR (Note 1): a new macro that skips
// the comparison b/w the 1st & 2nd args would be more appropriate,
// but VERIFY will still do - Mar 12, 01
VERIFY(manydims_ds.getId(), FAIL, "DataSpace constructor");
}
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) + 1) < sizeof(testfile))){
strcpy(testfile, srcdir);
strcat(testfile, "/");
}
strcat(testfile, TESTFILE);
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" );
VERIFY( dset1.getId(), FAIL, "H5File::openDataSet");
}
catch( FileIException error ) { } // do nothing, FAIL expected
} // end of try block for testing higher dimensionality
// catch exception thrown by H5File constructor
catch( FileIException error ) {
CHECK_I(FAIL, error.getCFuncName());
cout << "***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(wrongdim_ds.getId(), FAIL, "DataSpace constructor");
}
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 ); }
catch( DataSpaceIException error )
{
// ret value is already < 0 for an exception to be thrown;
// also see Note 1 above
VERIFY(FAIL, FAIL, error.getCFuncName());
}
} /* 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(n, 1, "DataSpace::getSimpleExtentNpoints");
int rank; /* Logical rank of dataspace */
rank = sid1.getSimpleExtentNdims();
VERIFY(rank, SPACE3_RANK, "DataSpace::getSimpleExtentNdims");
// 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(ndims, 0, "DataSpace::getSimpleExtentDims");
/* Verify extent type */
H5S_class_t ext_type; /* Extent type */
ext_type = sid1.getSimpleExtentType();
VERIFY(ext_type, H5S_SCALAR, "DataSpace::getSimpleExtentType");
/* 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)
{
CHECK(FAIL, FAIL, error.getCFuncName());
}
} /* 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(n, 1, "H5Sget_simple_extent_npoints");
// Get the logical rank of the dataspace
int ndims = sid1.getSimpleExtentNdims();
VERIFY(ndims, SPACE3_RANK, "H5Sget_simple_extent_ndims");
ndims = sid1.getSimpleExtentDims(tdims);
VERIFY(ndims, 0, "H5Sget_simple_extent_dims");
unsigned rdata; /* Scalar data read in */
dataset.read(&rdata, PredType::NATIVE_UINT);
VERIFY(rdata, space3_data, "H5Dread");
} // end of try block
catch (Exception error)
{
// all the exceptions caused by negative returned values by C APIs
CHECK(FAIL, FAIL, error.getCFuncName());
}
} /* test_h5s_scalar_read() */
/*-------------------------------------------------------------------------
*
* 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(n, 1, "H5Sget_simple_extent_npoints");
// Get the logical rank of the dataspace
int ndims = sid1.getSimpleExtentNdims();
VERIFY(ndims, SPACE3_RANK, "H5Sget_simple_extent_ndims");
hsize_t tdims[4]; /* Dimension array to test with */
ndims = sid1.getSimpleExtentDims(tdims);
VERIFY(ndims, 0, "H5Sget_simple_extent_dims");
/* 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
CHECK(FAIL, FAIL, error.getCFuncName());
}
} /* 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(n, 1, "H5Sget_simple_extent_npoints");
// Get the logical rank of the dataspace
int ndims = sid1.getSimpleExtentNdims();
VERIFY(ndims, SPACE3_RANK, "H5Sget_simple_extent_ndims");
ndims = sid1.getSimpleExtentDims(tdims);
VERIFY(ndims, 0, "H5Sget_simple_extent_dims");
// 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)))
{
cout << "scalar data different: space4_data.c1="
<< space4_data.c1 << ", read_data4.c1=" << rdata.c1 << endl;
cout << "scalar data different: space4_data.u="
<< space4_data.u << ", read_data4.u=" << rdata.u << endl;
cout << "scalar data different: space4_data.f="
<< space4_data.f << ", read_data4.f=" << rdata.f << endl;
cout << "scalar data different: space4_data.c1="
<< space4_data.c1 << ", read_data4.c1=" << rdata.c2 << endl;
num_errs++;
} /* end if */
} // end of try block
catch (Exception error)
{
// all the exceptions caused by negative returned values by C APIs
CHECK(FAIL, FAIL, error.getCFuncName());
}
} /* 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_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);
}