Split tools into src and test - add folders

1 files changed, 1004 insertions, 0 deletions

diff --git a/tools/test/h5copy/h5copygentest.c b/tools/test/h5copy/h5copygentest.c
new file mode 100644
index 0000000..7669702
--- /dev/null
+++ b/tools/test/h5copy/h5copygentest.c
@@ -0,0 +1,1004 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Generate the binary hdf5 file for the h5copy tests
+ */
+#include <stdlib.h>
+#include "hdf5.h"
+#include "H5private.h"
+
+/* HDF file names */
+#define HDF_FILE1                "h5copytst.h5"
+#define HDF_FILE1_NEW            "h5copytst_new.h5"
+#define HDF_FILE2                "h5copy_ref.h5"
+#define HDF_EXT_SRC_FILE         "h5copy_extlinks_src.h5"
+#define HDF_EXT_TRG_FILE         "h5copy_extlinks_trg.h5"
+
+/* objects in HDF_FILE1 */
+#define DATASET_SIMPLE          "simple"
+#define DATASET_CHUNK           "chunk"
+#define DATASET_COMPACT         "compact"
+#define DATASET_COMPOUND        "compound"
+#define DATASET_COMPRESSED      "compressed"
+#define DATASET_NAMED_VL        "named_vl"
+#define DATASET_NESTED_VL       "nested_vl"
+#define DATASET_ATTR		"dset_attr"
+#define ATTR			"attr"
+#define GROUP_EMPTY             "grp_empty"
+#define GROUP_DATASETS          "grp_dsets"
+#define GROUP_NESTED            "grp_nested"
+#define GROUP_ATTR		"grp_attr"
+
+/* Obj reference */
+#define OBJ_REF_DS "Dset1"
+#define OBJ_REF_GRP "Group"
+/* Region reference */
+#define REG_REF_DS1 "Dset_REGREF"
+#define REG_REF_DS2 "Dset2"
+
+
+/*-------------------------------------------------------------------------
+ * Function:    gent_simple
+ *
+ * Purpose:     Generate a simple dataset in LOC_ID
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_simple(hid_t loc_id)
+{
+    hid_t   sid, did;
+    hsize_t dims[1] = {6};
+    int     buf[6]  = {1,2,3,4,5,6};
+
+    /* create dataspace */
+    sid = H5Screate_simple(1, dims, NULL);
+
+    /* create dataset */
+    did = H5Dcreate2(loc_id, DATASET_SIMPLE, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* write */
+    H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
+
+    /* close */
+    H5Sclose(sid);
+    H5Dclose(did);
+}
+
+/*-------------------------------------------------------------------------
+ * Function:    gent_chunked
+ *
+ * Purpose:     Generate a chunked dataset in LOC_ID
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_chunked(hid_t loc_id)
+{
+    hid_t   sid, did, pid;
+    hsize_t dims[1] = {6};
+    hsize_t chunk_dims[1] = {2};
+    int     buf[6]  = {1,2,3,4,5,6};
+
+    /* create dataspace */
+    sid = H5Screate_simple(1, dims, NULL);
+
+    /* create property plist */
+    pid = H5Pcreate(H5P_DATASET_CREATE);
+    H5Pset_chunk(pid, 1, chunk_dims);
+
+    /* create dataset */
+    did = H5Dcreate2(loc_id, DATASET_CHUNK, H5T_NATIVE_INT, sid, H5P_DEFAULT, pid, H5P_DEFAULT);
+
+    /* write */
+    H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
+
+    /* close */
+    H5Sclose(sid);
+    H5Dclose(did);
+    H5Pclose(pid);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:    gent_compact
+ *
+ * Purpose:     Generate a compact dataset in LOC_ID
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_compact(hid_t loc_id)
+{
+    hid_t   sid, did, pid;
+    hsize_t dims[1] = {6};
+    int     buf[6]  = {1,2,3,4,5,6};
+
+    /* create dataspace */
+    sid = H5Screate_simple(1, dims, NULL);
+
+    /* create property plist  */
+    pid = H5Pcreate(H5P_DATASET_CREATE);
+    H5Pset_layout (pid,H5D_COMPACT);
+
+    /* create dataset */
+    did = H5Dcreate2(loc_id, DATASET_COMPACT, H5T_NATIVE_INT, sid, H5P_DEFAULT, pid, H5P_DEFAULT);
+
+    /* write */
+    H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
+
+    /* close */
+    H5Sclose(sid);
+    H5Dclose(did);
+    H5Pclose(pid);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:    gent_compound
+ *
+ * Purpose:     Generate a compound dataset in LOC_ID
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_compound(hid_t loc_id)
+{
+    typedef struct s_t
+    {
+        char str1[20];
+        char str2[20];
+    } s_t;
+    hid_t   sid, did, tid_c, tid_s;
+    hsize_t dims[1] = {2};
+    s_t     buf[2]  = {{"str1", "str2"}, {"str3", "str4"}};
+
+    /* create dataspace */
+    sid = H5Screate_simple(1, dims, NULL);
+
+    /* create a compound type */
+    tid_c = H5Tcreate(H5T_COMPOUND, sizeof(s_t));
+    tid_s = H5Tcopy(H5T_C_S1);
+    H5Tset_size(tid_s, 20);
+
+    H5Tinsert(tid_c, "str1", HOFFSET(s_t,str1), tid_s);
+    H5Tinsert(tid_c, "str2", HOFFSET(s_t,str2), tid_s);
+
+    /* create dataset */
+    did = H5Dcreate2(loc_id, DATASET_COMPOUND, tid_c, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* write */
+    H5Dwrite(did, tid_c, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
+
+    /* close */
+    H5Sclose(sid);
+    H5Dclose(did);
+    H5Tclose(tid_c);
+    H5Tclose(tid_s);
+}
+
+/*-------------------------------------------------------------------------
+ * Function:    gent_compressed
+ *
+ * Purpose:     Generate a compressed dataset in LOC_ID
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_compressed(hid_t loc_id)
+{
+    hid_t   sid, did, pid;
+    hsize_t dims[1] = {6};
+    hsize_t chunk_dims[1] = {2};
+    int     buf[6]  = {1,2,3,4,5,6};
+
+    /* create dataspace */
+    sid = H5Screate_simple(1, dims, NULL);
+
+    /* create property plist for chunk*/
+    pid = H5Pcreate(H5P_DATASET_CREATE);
+    H5Pset_chunk(pid, 1, chunk_dims);
+
+    /* set the deflate filter */
+#if defined (H5_HAVE_FILTER_DEFLATE)
+    H5Pset_deflate(pid, 1);
+#endif
+
+    /* create dataset */
+    did = H5Dcreate2(loc_id, DATASET_COMPRESSED, H5T_NATIVE_INT, sid, H5P_DEFAULT, pid, H5P_DEFAULT);
+
+    /* write */
+    H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
+
+    /* close */
+    H5Sclose(sid);
+    H5Dclose(did);
+    H5Pclose(pid);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:    gent_named_vl
+ *
+ * Purpose:     Generate a variable lenght named datatype for a dataset in
+                LOC_ID
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_named_vl(hid_t loc_id)
+{
+    hid_t   sid, did, tid;
+    hsize_t dims[1] = {2};
+    hvl_t   buf[2];
+
+    /* allocate and initialize VL dataset to write */
+    buf[0].len = 1;
+    buf[0].p = HDmalloc( 1 * sizeof(int));
+    ((int *)buf[0].p)[0]=1;
+    buf[1].len = 2;
+    buf[1].p = HDmalloc( 2 * sizeof(int));
+    ((int *)buf[1].p)[0]=2;
+    ((int *)buf[1].p)[1]=3;
+
+    /* create dataspace */
+    sid = H5Screate_simple(1, dims, NULL);
+
+    /* create datatype */
+    tid = H5Tvlen_create(H5T_NATIVE_INT);
+
+    /* create named datatype */
+    H5Tcommit2(loc_id, "vl", tid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* create dataset */
+    did = H5Dcreate2(loc_id, DATASET_NAMED_VL, tid, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* write */
+    H5Dwrite(did, tid, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
+
+    /* close */
+    H5Dvlen_reclaim(tid,sid,H5P_DEFAULT,buf);
+    H5Sclose(sid);
+    H5Dclose(did);
+    H5Tclose(tid);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:    gent_nested_vl
+ *
+ * Purpose:     Generate a nested variable length dataset in LOC_ID
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_nested_vl(hid_t loc_id)
+{
+    hid_t   sid, did, tid1, tid2;
+    hsize_t dims[1] = {2};
+    hvl_t   buf[2];
+    hvl_t   *tvl;
+
+    /* allocate and initialize VL dataset to write */
+    buf[0].len = 1;
+    buf[0].p = HDmalloc( 1 * sizeof(hvl_t));
+    tvl = (hvl_t *)buf[0].p;
+    tvl->p = HDmalloc( 1 * sizeof(int) );
+    tvl->len = 1;
+    ((int *)tvl->p)[0]=1;
+
+    buf[1].len = 1;
+    buf[1].p = HDmalloc( 1 * sizeof(hvl_t));
+    tvl = (hvl_t *)buf[1].p;
+    tvl->p = HDmalloc( 2 * sizeof(int) );
+    tvl->len = 2;
+    ((int *)tvl->p)[0]=2;
+    ((int *)tvl->p)[1]=3;
+
+    /* create dataspace */
+    sid = H5Screate_simple(1, dims, NULL);
+
+    /* create datatype */
+    tid1 = H5Tvlen_create(H5T_NATIVE_INT);
+
+    /* create nested VL datatype */
+    tid2 = H5Tvlen_create(tid1);
+
+    /* create dataset */
+    did = H5Dcreate2(loc_id, DATASET_NESTED_VL, tid2, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* write */
+    H5Dwrite(did, tid2, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
+
+    /* close */
+    H5Dvlen_reclaim(tid2,sid,H5P_DEFAULT,buf);
+    H5Sclose(sid);
+    H5Dclose(did);
+    H5Tclose(tid1);
+    H5Tclose(tid2);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:    gent_att_compound_vlstr
+ *
+ * Purpose:     Generate a dataset and a group.
+ *		Both has an attribute with a compound datatype consisting 
+ *		of a variable length string
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_att_compound_vlstr(hid_t loc_id)
+{
+    typedef struct { /* Compound structure for the attribute */
+        int i;
+        char *v;
+    } s1;
+    hsize_t dim[1] = {1};	/* Dimension size */
+    hid_t sid = -1; 		/* Dataspace ID */
+    hid_t tid = -1; 		/* Datatype ID */
+    hid_t aid = -1; 		/* Attribute ID */
+    hid_t did = -1; 		/* Dataset ID */
+    hid_t gid = -1; 		/* Group ID */
+    hid_t vl_str_tid = -1;	/* Variable length datatype ID */
+    hid_t cmpd_tid = -1;	/* Compound datatype ID */
+    hid_t null_sid = -1;	/* Null dataspace ID */
+    s1 buf;			/* Buffer */
+
+    buf.i = 9;
+    buf.v = "ThisIsAString";
+
+    /* Create an integer datatype */
+    tid = H5Tcopy(H5T_NATIVE_INT);
+
+    /* Create a variable length string */
+    vl_str_tid = H5Tcopy(H5T_C_S1);
+    H5Tset_size(vl_str_tid, H5T_VARIABLE);
+
+    /* Create a compound datatype with a variable length string and an integer */
+    cmpd_tid = H5Tcreate(H5T_COMPOUND, sizeof(s1));
+    H5Tinsert(cmpd_tid, "i", HOFFSET(s1, i), tid);
+    H5Tinsert(cmpd_tid, "v", HOFFSET(s1, v), vl_str_tid);
+
+    /* Create a dataset */
+    null_sid = H5Screate(H5S_NULL);
+    did = H5Dcreate2(loc_id, DATASET_ATTR, H5T_NATIVE_INT, null_sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* Attach an attribute with the compound datatype to the dataset */
+    sid = H5Screate_simple(1, dim, dim);
+    aid = H5Acreate2(did, ATTR, cmpd_tid, sid, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* Write the attribute */
+    buf.i = 9;
+    buf.v = "ThisIsAString";
+    H5Awrite(aid, cmpd_tid, &buf);
+
+    /* Close the dataset and its attribute */
+    H5Dclose(did);
+    H5Aclose(aid);
+
+    /* Create a group */
+    gid = H5Gcreate2(loc_id, GROUP_ATTR, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* Attach an attribute with the compound datatype to the group */
+    aid = H5Acreate2(gid, ATTR, cmpd_tid, sid, H5P_DEFAULT, H5P_DEFAULT);
+    H5Awrite(aid, cmpd_tid, &buf);
+
+    /* Close the group and its attribute */
+    H5Aclose(aid);
+    H5Gclose(gid);
+
+    /* Close dataspaces */
+    H5Sclose(sid);
+    H5Sclose(null_sid);
+
+    /* Close datatypes */
+    H5Tclose(tid);
+    H5Tclose(vl_str_tid);
+    H5Tclose(cmpd_tid);
+
+} /* gen_att_compound_vlstr() */
+
+/*-------------------------------------------------------------------------
+ * Function: gent_datasets
+ *
+ * Purpose: Generate all datasets in a particular location
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_datasets(hid_t loc_id)
+{
+    gent_simple(loc_id);
+    gent_chunked(loc_id);
+    gent_compact(loc_id);
+    gent_compound(loc_id);
+    gent_compressed(loc_id);
+    gent_named_vl(loc_id);
+    gent_nested_vl(loc_id);
+}
+
+/*-------------------------------------------------------------------------
+ * Function: gent_empty_group
+ *
+ * Purpose: Generate an empty group in a location
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_empty_group(hid_t loc_id)
+{
+    hid_t   gid;
+
+    /* Create group in location */
+    gid = H5Gcreate2(loc_id, GROUP_EMPTY, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* Release resources */
+    H5Gclose(gid);
+}
+
+/*-------------------------------------------------------------------------
+ * Function: gent_nested_datasets
+ *
+ * Purpose: Generate a group in a location and populate it with the "standard"
+ *    datasets
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_nested_datasets(hid_t loc_id)
+{
+    hid_t   gid;
+
+    /* Create group in location */
+    gid = H5Gcreate2(loc_id, GROUP_DATASETS, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* Add datasets to group created */
+    gent_datasets(gid);
+
+    /* Release resources */
+    H5Gclose(gid);
+}
+
+/*-------------------------------------------------------------------------
+ * Function: gent_nested_group
+ *
+ * Purpose: Generate a group in a location and populate it with another group
+ *    containing the "standard" datasets
+ *
+ *-------------------------------------------------------------------------
+ */
+static void gent_nested_group(hid_t loc_id)
+{
+    hid_t   gid;
+
+    /* Create group in location */
+    gid = H5Gcreate2(loc_id, GROUP_NESTED, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* Add datasets to group created */
+    gent_nested_datasets(gid);
+
+    /* Release resources */
+    H5Gclose(gid);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: gen_obj_ref
+ *
+ * Purpose: Generate object references to dataset and group
+ *
+ * Programmer: Jonathan Kim (Feb 23, 2010)
+ *------------------------------------------------------------------------*/
+static herr_t gen_obj_ref(hid_t loc_id)
+{
+    hid_t sid=0, oid=0;
+    hsize_t dims1[1]={3};
+    hsize_t dims2[1]={2};
+    int data[3] = {10,20,30};
+    int status;
+
+    /*---------------------
+     * create obj references to the previously created objects.
+     * Passing -1 as reference is an object.*/
+    hobj_ref_t or_data[2];  /* write buffer */
+    herr_t ret = SUCCEED;
+
+    /*--------------
+     * add dataset */
+    sid = H5Screate_simple(1, dims1, NULL);
+    if (sid < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Screate_simple failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    oid = H5Dcreate2 (loc_id, OBJ_REF_DS, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    if (oid < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Dcreate2 failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    status = H5Dwrite(oid, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Dwrite failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    H5Dclose(oid);
+    H5Sclose(sid);
+
+    /*--------------
+     * add group  */
+    oid = H5Gcreate2 (loc_id, OBJ_REF_GRP, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    if (oid < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Gcreate2 failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+    H5Gclose(oid);
+
+    status = H5Rcreate (&or_data[0], loc_id, OBJ_REF_DS, H5R_OBJECT, (hid_t)-1);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Rcreate failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+    status = H5Rcreate (&or_data[1], loc_id, OBJ_REF_GRP, H5R_OBJECT, (hid_t)-1);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Rcreate failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    sid = H5Screate_simple (1, dims2, NULL);
+    if (sid < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Screate_simple failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    oid = H5Dcreate2 (loc_id, "Dset_OBJREF", H5T_STD_REF_OBJ, sid, H5P_DEFAULT,H5P_DEFAULT,H5P_DEFAULT);
+    if (oid < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Dcreate2 failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    status = H5Dwrite(oid, H5T_STD_REF_OBJ, H5S_ALL, H5S_ALL, H5P_DEFAULT, or_data);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Dwrite failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+out:
+    if(oid > 0)
+        H5Dclose(oid);
+    if(sid > 0)
+        H5Sclose(sid);
+
+    return ret;
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: gen_region_ref
+ *
+ * Purpose: Generate dataset region references
+ *
+ * Programmer: Jonathan Kim (Feb 23, 2010)
+ *------------------------------------------------------------------------*/
+static herr_t gen_region_ref(hid_t loc_id)
+{
+    hid_t sid=0, oid1=0, oid2=0;
+    int status;
+    herr_t ret = SUCCEED;
+    char  data[3][16] = {"The quick brown", "fox jumps over ", "the 5 lazy dogs"};
+    hsize_t dims2[2] = {3,16};
+    hsize_t coords[4][2] = { {0,1}, {2,11}, {1,0}, {2,4} };
+    hdset_reg_ref_t  rr_data[2];
+    hsize_t start[2] = {0,0};
+    hsize_t stride[2] = {2,11};
+    hsize_t count[2] = {2,2};
+    hsize_t block[2] = {1,3};
+    hsize_t dims1[1] = {2};
+
+    sid = H5Screate_simple (2, dims2, NULL);
+    if (sid < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Screate_simple failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* create normal dataset which is refered */
+    oid2 = H5Dcreate2 (loc_id, REG_REF_DS2, H5T_STD_I8LE, sid, H5P_DEFAULT,H5P_DEFAULT,H5P_DEFAULT);
+    if (oid2 < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Dcreate2 failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* write values to dataset */
+    status = H5Dwrite (oid2, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, H5P_DEFAULT, data);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Dwrite failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* select elements space for reference */
+    status = H5Sselect_elements (sid, H5S_SELECT_SET, 4, coords[0]);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Sselect_elements failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* create region reference from elements space */
+    status = H5Rcreate (&rr_data[0], loc_id, REG_REF_DS2, H5R_DATASET_REGION, sid);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Rcreate failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* select hyperslab space for reference */
+    status = H5Sselect_hyperslab (sid, H5S_SELECT_SET, start, stride, count, block);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Sselect_hyperslab failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* create region reference from hyperslab space */
+    status = H5Rcreate (&rr_data[1], loc_id, REG_REF_DS2, H5R_DATASET_REGION, sid);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Rcreate failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    H5Sclose (sid);
+
+    /* Create dataspace. */
+    sid = H5Screate_simple (1, dims1, NULL);
+    if (sid < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Screate_simple failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* create region reference dataset */
+    oid1 = H5Dcreate2 (loc_id, REG_REF_DS1, H5T_STD_REF_DSETREG, sid, H5P_DEFAULT,H5P_DEFAULT,H5P_DEFAULT);
+    if (oid1 < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Dcreate2 failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* write data as region references */
+    status = H5Dwrite (oid1, H5T_STD_REF_DSETREG, H5S_ALL, H5S_ALL, H5P_DEFAULT, rr_data);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Dwrite failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+out:
+    if (oid1 > 0)
+        H5Dclose (oid1);
+    if (oid2 > 0)
+        H5Dclose (oid2);
+    if (sid > 0)
+        H5Sclose (sid);
+
+    return ret;
+}
+
+/*-------------------------------------------------------------------------
+ * Function: Test_Obj_Copy
+ *
+ * Purpose: Testing with various objects
+ *
+ *------------------------------------------------------------------------*/
+static void Test_Obj_Copy(void)
+{
+    hid_t fid = -1;		        /* File id */
+    hid_t fapl_new = (-1);	        /* File access property id */
+    unsigned new_format;		/* New format or old format */
+
+    if((fapl_new = H5Pcreate(H5P_FILE_ACCESS)) < 0) {
+        fprintf(stderr, "Error: H5Pcreate failed.\n");
+        goto out;
+    }
+    if(H5Pset_libver_bounds(fapl_new, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) {
+        fprintf(stderr, "Error: H5Pset_libver_bounds failed.\n");
+        goto out;
+    }
+
+    /* Test with old & new format groups */
+    for(new_format = FALSE; new_format <= TRUE; new_format++) {
+    
+        /* Set the FAPL for the type of format */
+        /* Create source file */
+        if(new_format)
+	    fid = H5Fcreate(HDF_FILE1, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_new);
+	else
+	    fid = H5Fcreate(HDF_FILE1_NEW, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+        if(fid < 0) {
+            fprintf(stderr, "Error: H5Fcreate failed.\n");
+            goto out;
+        }
+
+        gent_datasets(fid);
+        gent_empty_group(fid);
+        gent_nested_datasets(fid);
+        gent_nested_group(fid);
+	gent_att_compound_vlstr(fid);
+
+        H5Fclose(fid);
+        fid = (-1);
+    } /* end for */
+
+out:
+    /*-----------------------------------------------------------------------
+    * Close
+    *------------------------------------------------------------------------*/
+    if(fid > 0)
+        H5Fclose(fid);
+    if(fapl_new > 0)
+        H5Pclose(fapl_new);
+}
+
+/*-------------------------------------------------------------------------
+ * Function: Test_Ref_Copy
+ *
+ * Purpose: Testing with various references
+ *
+ *------------------------------------------------------------------------*/
+static void Test_Ref_Copy(void)
+{
+    hid_t fid=0;
+    herr_t status;
+
+    fid = H5Fcreate (HDF_FILE2, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+    if (fid < 0)
+    {
+        fprintf(stderr, "Error: %s> H5Fcreate failed.\n", HDF_FILE2);
+        goto out;
+    }
+
+    /* add object reference */
+    status = gen_obj_ref(fid);
+    if (status < 0)
+        fprintf(stderr, "Failed to generate object reference.\n");
+
+    /* add region reference */
+    status = gen_region_ref(fid);
+    if (status < 0)
+        fprintf(stderr, "Failed to generate region reference.\n");
+
+out:
+    /*-----------------------------------------------------------------------
+    * Close
+    *------------------------------------------------------------------------*/
+    if(fid > 0)
+        H5Fclose(fid);
+}
+
+/*-------------------------------------------------------------------------
+ * Function: gen_extlink_trg
+ *
+ * Purpose: generate target external link objs
+ *
+ * Programmer: Jonathan Kim (March 03, 2010)
+ *------------------------------------------------------------------------*/
+static herr_t gen_extlink_trg(hid_t loc_id)
+{
+    hid_t gid=0, tid=0;
+    int status;
+    herr_t ret = SUCCEED;
+
+    /*-----------------------------------------------------------------------
+    * Groups
+    *------------------------------------------------------------------------*/
+    /*--------------
+     * target file */
+    gid = H5Gcreate2(loc_id, "group", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    if (gid < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Gcreate2 failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /*--------------
+     * add dataset */
+     gent_simple(loc_id);
+
+    /*--------------------
+     * add named datatype
+     */
+     tid = H5Tcopy(H5T_NATIVE_INT);
+     status = H5Tcommit2(loc_id, "datatype", tid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Tcommit2 failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+out:
+    if(gid > 0)
+        H5Gclose(gid);
+    if(tid > 0)
+        H5Tclose(tid);
+
+    return ret;
+}
+
+/*-------------------------------------------------------------------------
+ * Function: gen_extlink_src
+ *
+ * Purpose: generate source external link objs
+ *
+ * Programmer: Jonathan Kim (March 03, 2010)
+ *------------------------------------------------------------------------*/
+static herr_t gen_extlink_src(hid_t loc_id)
+{
+    hid_t gid=0;
+    int status;
+    herr_t ret = SUCCEED;
+
+    /*-----------------------------------------------------------------------
+    * Groups
+    *------------------------------------------------------------------------*/
+    gid = H5Gcreate2(loc_id, "/group_ext", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    if (gid < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Gcreate2 failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /*-----------------------------------------------------------------------
+    * External links
+    *------------------------------------------------------------------------*/
+    /* link to dataset */
+    status = H5Lcreate_external(HDF_EXT_TRG_FILE, "/simple", gid, "extlink_dset", H5P_DEFAULT, H5P_DEFAULT);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Lcreate_external failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* link to group */
+    status = H5Lcreate_external(HDF_EXT_TRG_FILE, "/group", gid, "extlink_grp", H5P_DEFAULT, H5P_DEFAULT);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Lcreate_external failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* link to datatype */
+    status = H5Lcreate_external(HDF_EXT_TRG_FILE, "/datatype", gid, "extlink_datatype", H5P_DEFAULT, H5P_DEFAULT);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Lcreate_external failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* dangling link - no obj*/
+    status = H5Lcreate_external(HDF_EXT_TRG_FILE, "notyet", gid, "extlink_notyet1", H5P_DEFAULT, H5P_DEFAULT);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Lcreate_external failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+    /* dangling link - no file */
+    status = H5Lcreate_external("notyet_file.h5", "notyet", gid, "extlink_notyet2", H5P_DEFAULT, H5P_DEFAULT);
+    if (status < 0)
+    {
+        fprintf(stderr, "Error: %s %d> H5Lcreate_external failed.\n", FUNC, __LINE__);
+        ret = FAIL;
+        goto out;
+    }
+
+out:
+    if(gid > 0)
+        H5Gclose(gid);
+
+    return ret;
+}
+
+/*-------------------------------------------------------------------------
+ * Function: Test_Extlink_Copy
+ *
+ * Purpose: gerenate external link files
+ *
+ *------------------------------------------------------------------------*/
+static void Test_Extlink_Copy(void)
+{
+    hid_t fid1=0;
+    hid_t fid2=0;
+    herr_t status;
+
+    fid1 = H5Fcreate (HDF_EXT_SRC_FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+    if (fid1 < 0)
+    {
+        fprintf(stderr, "Error: %s> H5Fcreate failed.\n", HDF_EXT_SRC_FILE);
+        goto out;
+    }
+
+    fid2 = H5Fcreate (HDF_EXT_TRG_FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+    if (fid2 < 0)
+    {
+        fprintf(stderr, "Error: %s> H5Fcreate failed.\n", HDF_EXT_TRG_FILE);
+        goto out;
+    }
+
+    /* add links to source external link file */
+    status = gen_extlink_src(fid1);
+    if (status < 0)
+        fprintf(stderr, "Error: %s> gen_extlink_src failed.\n", HDF_EXT_SRC_FILE);
+
+    /* add objs to target external link file */
+    status = gen_extlink_trg(fid2);
+    if (status < 0)
+        fprintf(stderr, "Error: %s> gen_extlink_trg failed.\n", HDF_EXT_TRG_FILE);
+
+out:
+    /*-----------------------------------------------------------------------
+    * Close
+    *------------------------------------------------------------------------*/
+    if(fid1 > 0)
+        H5Fclose(fid1);
+    if(fid2 > 0)
+        H5Fclose(fid2);
+}
+
+/*-------------------------------------------------------------------------
+ * Function: main
+ *
+ *-------------------------------------------------------------------------
+ */
+
+int main(void)
+{
+    Test_Obj_Copy();
+    Test_Ref_Copy();
+    Test_Extlink_Copy();
+
+    return 0;
+}
+