public void H5Aiterate_by_nameTest2()
{
ArrayList al = new ArrayList();
GCHandle hnd = GCHandle.Alloc(al);
IntPtr op_data = (IntPtr)hnd;
hsize_t n = 0;
// the callback is defined in H5ATest.cs
H5A.operator_t cb = DelegateMethod;
Assert.IsFalse(
H5A.iterate_by_name(Utilities.RandomInvalidHandle(), ".",
H5.index_t.NAME, H5.iter_order_t.NATIVE, ref n,
cb, op_data) >= 0);
hnd.Free();
}
public void H5Aiterate_by_nameTest1()
{
hid_t att = H5A.create(m_v2_test_file, "IEEE_F32BE",
H5T.IEEE_F32BE, m_space_scalar);
Assert.IsTrue(att >= 0);
Assert.IsTrue(H5A.close(att) >= 0);
att = H5A.create(m_v2_test_file, "IEEE_F64BE", H5T.IEEE_F64BE,
m_space_scalar);
Assert.IsTrue(att >= 0);
Assert.IsTrue(H5A.close(att) >= 0);
att = H5A.create(m_v2_test_file, "NATIVE_B8", H5T.NATIVE_B8,
m_space_scalar);
Assert.IsTrue(att >= 0);
Assert.IsTrue(H5A.close(att) >= 0);
ArrayList al = new ArrayList();
hsize_t n = 0;
// if we define the callback as lambda we can simple capture the array list
H5A.operator_t cb = (hid_t location_id, IntPtr attr_name, ref H5A.info_t ainfo, IntPtr op_data
) => {
Assert.IsTrue(op_data.ToInt64() == -99);
int len = 0;
while (Marshal.ReadByte(attr_name, len) != 0)
{
++len;
}
byte[] buf = new byte[len];
Marshal.Copy(attr_name, buf, 0, len);
al.Add(Encoding.UTF8.GetString(buf));
return(0);
};
Assert.IsTrue(H5A.iterate_by_name(m_v2_test_file, ".",
H5.index_t.NAME, H5.iter_order_t.NATIVE, ref n, cb,
// the op_data argument is simply tested as a constant
new IntPtr(-99)) >= 0);
// we should have 3 elements in the array list [now obsolete]
Assert.IsTrue(al.Count == 3);
Assert.IsFalse(al.ToArray().Any(s => s == null || String.IsNullOrEmpty(s.ToString())));
// let's be specific
Assert.IsTrue(al[0].ToString() == "IEEE_F32BE");
Assert.IsTrue(al[1].ToString() == "IEEE_F64BE");
Assert.IsTrue(al[2].ToString() == "NATIVE_B8");
att = H5A.create(m_v0_test_file, "IEEE_F32BE",
H5T.IEEE_F32BE, m_space_scalar);
Assert.IsTrue(att >= 0);
Assert.IsTrue(H5A.close(att) >= 0);
att = H5A.create(m_v0_test_file, "IEEE_F64BE", H5T.IEEE_F64BE,
m_space_scalar);
Assert.IsTrue(att >= 0);
Assert.IsTrue(H5A.close(att) >= 0);
att = H5A.create(m_v0_test_file, "NATIVE_B8", H5T.NATIVE_B8,
m_space_scalar);
Assert.IsTrue(att >= 0);
Assert.IsTrue(H5A.close(att) >= 0);
al.Clear();
n = 0;
Assert.IsTrue(H5A.iterate_by_name(m_v0_test_file, ".",
H5.index_t.NAME, H5.iter_order_t.NATIVE, ref n, cb,
new IntPtr(-99)) >= 0);
// we should have 3 elements in the array list [now obsolete]
Assert.IsTrue(al.Count == 3);
Assert.IsFalse(al.ToArray().Any(s => s == null || String.IsNullOrEmpty(s.ToString())));
// let's be specific
Assert.IsTrue(al[0].ToString() == "IEEE_F32BE");
Assert.IsTrue(al[1].ToString() == "IEEE_F64BE");
Assert.IsTrue(al[2].ToString() == "NATIVE_B8");
}