static void test_attr_basic_write()
{
try
{
Console.Write("Testing Basic Scalar Attribute Writing Functions");
// Create a new file using H5F_ACC_TRUNC access,
// default file creation properties, and default file
// access properties.
H5FileId fileId = H5F.create(FILE_NAME, H5F.CreateMode.ACC_TRUNC);
// Copy datatype for use.
H5DataTypeId typeId = H5T.copy(H5T.H5Type.NATIVE_INT);
// Open the root group.
H5GroupId groupId = H5G.open(fileId, "/");
// Create dataspace for attribute.
hssize_t[] gdims = { GATTR_DIM1, GATTR_DIM2 };
H5DataSpaceId gspace_Id = H5S.create_simple(GATTR_RANK, gdims);
// Create an attribute for the group.
H5AttributeId attrId = H5A.create(groupId, RGATTR_NAME, typeId, gspace_Id);
H5A.close(attrId);
H5G.close(groupId);
// Create a group in this file.
groupId = H5G.create(fileId, GROUP1_NAME);
// Create an attribute for group /Group1.
attrId = H5A.create(groupId, GATTR_NAME, typeId, gspace_Id);
H5A.write(attrId, typeId, new H5Array <int>(gattr_data));
// Create the dataspace.
hssize_t[] dims1 = { SPACE1_DIM1, SPACE1_DIM2 };
H5DataSpaceId space1_Id = H5S.create_simple(SPACE1_RANK, dims1);
// Create a dataset using default properties.
H5DataSetId dsetId = H5D.create(fileId, DSET1_NAME, H5T.H5Type.NATIVE_UCHAR, space1_Id);
// Close objects and file.
H5A.close(attrId);
H5D.close(dsetId);
H5G.close(groupId);
H5F.close(fileId);
// Open the file again.
fileId = H5F.open(FILE_NAME, H5F.OpenMode.ACC_RDWR);
// Open the root group.
groupId = H5G.open(fileId, "/");
// Open attribute again.
attrId = H5A.open(groupId, RGATTR_NAME);
// Close attribute and root group.
H5A.close(attrId);
H5G.close(groupId);
// Open dataset.
dsetId = H5D.open(fileId, DSET1_NAME);
// Create the dataspace for dataset's attribute.
hssize_t[] attdims = { ATTR1_DIM };
H5DataSpaceId attspaceId = H5S.create_simple(ATTR1_RANK, attdims);
// Create an attribute for the dataset.
attrId = H5A.create(dsetId, D1ATTR1_NAME, typeId, attspaceId);
// Try to create the same attribute again (should fail.)
try
{
H5AttributeId attr_twice = H5A.create(dsetId, D1ATTR1_NAME, typeId, attspaceId);
// should fail, but didn't, print an error message.
Console.WriteLine("\ntest_attr_basic_write: Attempting to create an existing attribute.");
nerrors++;
}
catch (HDFException) { } // does nothing, it should fail
// Write attribute information.
int[] attr_data1 = new int[] { 512, -234, 98123 }; /* Test data for 1st attribute */
H5A.write(attrId, typeId, new H5Array <int>(attr_data1));
// Create another attribute for the dataset.
H5AttributeId attr2Id = H5A.create(dsetId, D1ATTR2_NAME, typeId, attspaceId);
// Write attribute information.
int[] attr_data2 = new int[] { 256, 11945, -22107 };
H5A.write(attr2Id, typeId, new H5Array <int>(attr_data2));
// Read attribute information immediately, without closing attribute.
int[] read_data1 = new int[3];
H5A.read(attrId, typeId, new H5Array <int>(read_data1));
// Verify values read in.
int ii;
for (ii = 0; ii < ATTR1_DIM; ii++)
{
if (attr_data1[ii] != read_data1[ii])
{
Console.WriteLine("\ntest_attr_basic_write: check1: read value differs from input: read {0} - input {1}", read_data1[ii], attr_data1[ii]);
nerrors++;
}
}
// Close attributes.
H5A.close(attrId);
H5A.close(attr2Id);
// Open attribute again and verify its name.
attrId = H5A.openIndex(dsetId, 0);
string attr_name = H5A.getName(attrId);
if (attr_name != D1ATTR1_NAME)
{
Console.WriteLine("\ntest_attr_basic_write: attribute name incorrect: is {0} - should be {1}", attr_name, D1ATTR1_NAME);
nerrors++;
}
// Close attribute.
H5A.close(attrId);
// Open the second attribute again and verify its name.
attr2Id = H5A.openIndex(dsetId, 1);
attr_name = H5A.getName(attr2Id);
if (attr_name != D1ATTR2_NAME)
{
Console.WriteLine("\ntest_attr_basic_write: attribute name incorrect: is {0} - should be {1}", attr_name, D1ATTR2_NAME);
nerrors++;
}
// Close all objects.
H5A.close(attr2Id);
H5S.close(space1_Id);
H5S.close(gspace_Id);
H5D.close(dsetId);
H5F.close(fileId);
Console.WriteLine("\tPASSED");
} // end try block
catch (HDFException anyHDF5E)
{
Console.WriteLine(anyHDF5E.Message);
nerrors++;
}
catch (System.Exception sysE)
{
Console.WriteLine(sysE.TargetSite);
Console.WriteLine(sysE.Message);
nerrors++;
}
} // test_attr_basic_write