static void test_file_attribute()
{
int rdata[ATTR1_DIM1];
int i;
// Output message about test being performed
SUBTEST("File Attribute");
H5std_string file_name;
try {
// Create a file using default properties.
H5File file5(FILE5, H5F_ACC_TRUNC);
// Create the data space
hsize_t dims[RANK1] = {ATTR1_DIM1};
DataSpace space(RANK1, dims);
// Create two attributes for the file
Attribute fattr1(file5.createAttribute(FATTR1_NAME, PredType::NATIVE_FLOAT, space));
Attribute fattr2(file5.createAttribute(FATTR2_NAME, PredType::NATIVE_INT, space));
fattr2.write(PredType::NATIVE_INT, fattr_data);
try {
// Try to create the same attribute again (should fail)
Attribute fattr_dup(file5.createAttribute(FATTR2_NAME, PredType::NATIVE_INT, space));
// Should FAIL but didn't, so throw an invalid action exception
throw InvalidActionException("H5File createAttribute", "Attempted to create an existing attribute.");
}
catch (AttributeIException& E) // catch creating existing attribute
{} // do nothing, FAIL expected
// Create a new dataset
DataSet dataset(file5.createDataSet (DSETNAME, PredType::NATIVE_INT, space));
// Create an attribute for the dataset
Attribute dattr(dataset.createAttribute(DATTRNAME, PredType::NATIVE_INT, space));
// Write data to the second file attribute
dattr.write(PredType::NATIVE_INT, dattr_data);
// Test flushing out the data from the attribute object
dattr.flush(H5F_SCOPE_GLOBAL);
// Get and verify the number of all objects in the file
// Current: 1 file, 2 file attr, 1 ds, and 1 ds attr.
ssize_t num_objs = file5.getObjCount(H5F_OBJ_ALL);
verify_val(num_objs, 5, "H5File::getObjCount", __LINE__, __FILE__);
num_objs = file5.getObjCount(H5F_OBJ_GROUP);
verify_val(num_objs, 0, "H5File::getObjCount(H5F_OBJ_GROUP)", __LINE__, __FILE__);
num_objs = file5.getObjCount(H5F_OBJ_DATASET);
verify_val(num_objs, 1, "H5File::getObjCount(H5F_OBJ_DATASET)", __LINE__, __FILE__);
num_objs = file5.getObjCount(H5F_OBJ_ATTR);
verify_val(num_objs, 3, "H5File::getObjCount(H5F_OBJ_ATTR)", __LINE__, __FILE__);
num_objs = file5.getObjCount(H5F_OBJ_DATATYPE);
verify_val(num_objs, 0, "H5File::getObjCount(H5F_OBJ_DATATYPE)", __LINE__, __FILE__);
num_objs = file5.getObjCount(H5F_OBJ_FILE);
verify_val(num_objs, 1, "H5File::getObjCount(H5F_OBJ_FILE)", __LINE__, __FILE__);
// Get the file name using the attributes
H5std_string fname = fattr1.getFileName();
verify_val(fname, FILE5, "H5File::getFileName()", __LINE__, __FILE__);
fname.clear();
fname = dattr.getFileName();
verify_val(fname, FILE5, "H5File::getFileName()", __LINE__, __FILE__);
// Get the class of a file attribute's datatype
H5T_class_t atclass = fattr1.getTypeClass();
verify_val(atclass, H5T_FLOAT, "Attribute::getTypeClass()", __LINE__, __FILE__);
// Get and verify the number of attributes attached to a file
int n_attrs = file5.getNumAttrs();
verify_val(n_attrs, 2, "H5File::getNumAttrs()", __LINE__, __FILE__);
// Get and verify the number of attributes attached to a dataset
n_attrs = 0;
n_attrs = dataset.getNumAttrs();
verify_val(n_attrs, 1, "DataSet::getNumAttrs()", __LINE__, __FILE__);
// Read back attribute's data
HDmemset(rdata, 0, sizeof(rdata));
dattr.read(PredType::NATIVE_INT, rdata);
/* Check results */
for (i = 0; i < ATTR1_DIM1; i++) {
if (rdata[i] != dattr_data[i]) {
H5_FAILED();
cerr << endl;
cerr << "element [" << i << "] is " << rdata[i] <<
"but should have been " << dattr_data[i] << endl;
}
}
PASSED();
} // end of try block
catch (Exception& E)
{
issue_fail_msg("test_file_attribute()", __LINE__, __FILE__, E.getCDetailMsg());
}
} // test_file_attribute()
