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H5Lunpack_elink_val.cs
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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 [email protected]. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
using System;
using System.Runtime.InteropServices;
using System.Text;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using HDF.PInvoke;
using herr_t = System.Int32;
using size_t = System.IntPtr;
#if HDF5_VER1_10
using hid_t = System.Int64;
#else
using hid_t = System.Int32;
#endif
namespace UnitTests
{
public partial class H5LTest
{
[TestMethod]
public void H5Lunpack_elink_valTest1()
{
// v0 file format
Assert.IsTrue(
H5L.create_external(m_v0_class_file_name, "/", m_v0_test_file,
"A/B/C", m_lcpl) >= 0);
H5L.info_t info = new H5L.info_t();
Assert.IsTrue(
H5L.get_info(m_v0_test_file, "A/B/C", ref info) >= 0);
Assert.IsTrue(info.type == H5L.type_t.EXTERNAL);
IntPtr size = new IntPtr(info.u.val_size.ToInt32());
Assert.IsTrue(size.ToInt32() > 0);
IntPtr buf = Marshal.AllocHGlobal(size.ToInt32());
Assert.IsTrue(buf != IntPtr.Zero);
Assert.IsTrue(
H5L.get_val(m_v0_test_file, "A/B/C", buf, size) >= 0);
uint flags = 0;
IntPtr filename = new IntPtr();
IntPtr obj_path = new IntPtr();
Assert.IsTrue(
H5L.unpack_elink_val(buf, size, ref flags, ref filename,
ref obj_path) >= 0);
Assert.IsTrue(
Marshal.PtrToStringAnsi(filename) == m_v0_class_file_name);
Assert.IsTrue(Marshal.PtrToStringAnsi(obj_path) == "/");
Marshal.FreeHGlobal(buf);
// v2 file format
Assert.IsTrue(
H5L.create_external(m_v2_class_file_name, "/", m_v2_test_file,
"A/B/C", m_lcpl) >= 0);
info = new H5L.info_t();
Assert.IsTrue(
H5L.get_info(m_v2_test_file, "A/B/C", ref info) >= 0);
Assert.IsTrue(info.type == H5L.type_t.EXTERNAL);
size = new IntPtr(info.u.val_size.ToInt32());
Assert.IsTrue(size.ToInt32() > 0);
buf = Marshal.AllocHGlobal(size.ToInt32());
Assert.IsTrue(buf != IntPtr.Zero);
Assert.IsTrue(
H5L.get_val(m_v2_test_file, "A/B/C", buf, size) >= 0);
flags = 0;
filename = new IntPtr();
obj_path = new IntPtr();
Assert.IsTrue(
H5L.unpack_elink_val(buf, size, ref flags, ref filename,
ref obj_path) >= 0);
Assert.IsTrue(
Marshal.PtrToStringAnsi(filename) == m_v2_class_file_name);
Assert.IsTrue(Marshal.PtrToStringAnsi(obj_path) == "/");
Marshal.FreeHGlobal(buf);
}
[TestMethod]
public void H5Lunpack_elink_valTest2()
{
// v0 file format
byte[] bytes = Encoding.UTF8.GetBytes(m_utf8strings[0]);
Assert.IsTrue(
H5L.create_external(m_v0_class_file_name,
Encoding.ASCII.GetBytes("/"), m_v0_test_file,
bytes, m_lcpl_utf8) >= 0);
H5L.info_t info = new H5L.info_t();
Assert.IsTrue(
H5L.get_info(m_v0_test_file, bytes, ref info) >= 0);
Assert.IsTrue(info.type == H5L.type_t.EXTERNAL);
IntPtr size = new IntPtr(info.u.val_size.ToInt32());
Assert.IsTrue(size.ToInt32() > 0);
IntPtr buf = Marshal.AllocHGlobal(size.ToInt32());
Assert.IsTrue(buf != IntPtr.Zero);
Assert.IsTrue(
H5L.get_val(m_v0_test_file, bytes, buf, size) >= 0);
uint flags = 0;
IntPtr filename = new IntPtr();
IntPtr obj_path = new IntPtr();
Assert.IsTrue(
H5L.unpack_elink_val(buf, size, ref flags, ref filename,
ref obj_path) >= 0);
Assert.IsTrue(
Marshal.PtrToStringAnsi(filename) == m_v0_class_file_name);
Assert.IsTrue(Marshal.PtrToStringAnsi(obj_path) == "/");
Marshal.FreeHGlobal(buf);
// v2 file format
Assert.IsTrue(
H5L.create_external(m_v2_class_file_name,
Encoding.ASCII.GetBytes("/"), m_v2_test_file,
bytes, m_lcpl_utf8) >= 0);
info = new H5L.info_t();
Assert.IsTrue(
H5L.get_info(m_v2_test_file, bytes, ref info) >= 0);
Assert.IsTrue(info.type == H5L.type_t.EXTERNAL);
size = new IntPtr(info.u.val_size.ToInt32());
Assert.IsTrue(size.ToInt32() > 0);
buf = Marshal.AllocHGlobal(size.ToInt32());
Assert.IsTrue(buf != IntPtr.Zero);
Assert.IsTrue(
H5L.get_val(m_v2_test_file, bytes, buf, size) >= 0);
flags = 0;
filename = new IntPtr();
obj_path = new IntPtr();
Assert.IsTrue(
H5L.unpack_elink_val(buf, size, ref flags, ref filename,
ref obj_path) >= 0);
Assert.IsTrue(
Marshal.PtrToStringAnsi(filename) == m_v2_class_file_name);
Assert.IsTrue(Marshal.PtrToStringAnsi(obj_path) == "/");
Marshal.FreeHGlobal(buf);
}
[TestMethod]
public void H5Lunpack_elink_valTest3()
{
// v0 file format
byte[] bytes = Encoding.UTF8.GetBytes(m_utf8strings[0]);
Assert.IsTrue(
H5G.close(H5G.create(m_v0_class_file, bytes, m_lcpl_utf8)) >= 0);
Assert.IsTrue(
H5L.create_external(m_v0_class_file_name,
bytes, m_v0_test_file, bytes, m_lcpl_utf8) >= 0);
H5L.info_t info = new H5L.info_t();
Assert.IsTrue(
H5L.get_info(m_v0_test_file, bytes, ref info) >= 0);
Assert.IsTrue(info.type == H5L.type_t.EXTERNAL);
IntPtr size = new IntPtr(info.u.val_size.ToInt32());
Assert.IsTrue(size.ToInt32() > 0);
IntPtr buf = Marshal.AllocHGlobal(size.ToInt32());
Assert.IsTrue(buf != IntPtr.Zero);
Assert.IsTrue(
H5L.get_val(m_v0_test_file, bytes, buf, size) >= 0);
uint flags = 0;
IntPtr filename = new IntPtr();
IntPtr obj_path = new IntPtr();
Assert.IsTrue(
H5L.unpack_elink_val(buf, size, ref flags, ref filename,
ref obj_path) >= 0);
Assert.IsTrue(
Marshal.PtrToStringAnsi(filename) == m_v0_class_file_name);
// the elink value is packed like this:
// <file name>\0<object path>\0
// the whole thing is of info.u.val_size
int count = size.ToInt32() -
(int)(obj_path.ToInt64() + 1 - filename.ToInt64()) - 1;
byte[] obj_path_buf = new byte [count];
Marshal.Copy(obj_path, obj_path_buf, 0, count);
Assert.IsTrue(
Encoding.UTF8.GetString(obj_path_buf) == m_utf8strings[0],
String.Format("{0}", Encoding.UTF8.GetString(obj_path_buf)));
Marshal.FreeHGlobal(buf);
// v2 file format
Assert.IsTrue(
H5G.close(H5G.create(m_v2_class_file, bytes, m_lcpl_utf8)) >= 0);
Assert.IsTrue(
H5L.create_external(m_v2_class_file_name,
bytes, m_v2_test_file, bytes, m_lcpl_utf8) >= 0);
info = new H5L.info_t();
Assert.IsTrue(
H5L.get_info(m_v2_test_file, bytes, ref info) >= 0);
Assert.IsTrue(info.type == H5L.type_t.EXTERNAL);
size = new IntPtr(info.u.val_size.ToInt32());
Assert.IsTrue(size.ToInt32() > 0);
buf = Marshal.AllocHGlobal(size.ToInt32());
Assert.IsTrue(buf != IntPtr.Zero);
Assert.IsTrue(
H5L.get_val(m_v2_test_file, bytes, buf, size) >= 0);
flags = 0;
filename = new IntPtr();
obj_path = new IntPtr();
Assert.IsTrue(
H5L.unpack_elink_val(buf, size, ref flags, ref filename,
ref obj_path) >= 0);
Assert.IsTrue(
Marshal.PtrToStringAnsi(filename) == m_v2_class_file_name);
// the elink value is packed like this:
// <file name>\0<object path>\0
// the whole thing is of info.u.val_size
count = size.ToInt32() -
(int)(obj_path.ToInt64() + 1 - filename.ToInt64()) - 1;
obj_path_buf = new byte[count];
Marshal.Copy(obj_path, obj_path_buf, 0, count);
Assert.IsTrue(
Encoding.UTF8.GetString(obj_path_buf) == m_utf8strings[0],
String.Format("{0}", Encoding.UTF8.GetString(obj_path_buf)));
Marshal.FreeHGlobal(buf);
}
}
}