From 6cd8818b735d3c22f3a1f7cd30d52360139ed72c Mon Sep 17 00:00:00 2001
From: Robb Matzke <matzke@llnl.gov>
Date: Fri, 23 Jan 1998 14:58:38 -0500
Subject: [svn-r169] Forgot this file the first time...

---
 test/cmpd_dset.c | 307 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 307 insertions(+)
 create mode 100644 test/cmpd_dset.c

diff --git a/test/cmpd_dset.c b/test/cmpd_dset.c
new file mode 100644
index 0000000..3676890
--- /dev/null
+++ b/test/cmpd_dset.c
@@ -0,0 +1,307 @@
+/*
+ * Copyright (C) 1998 NCSA
+ *                    All rights reserved.
+ *
+ * Programmer:  Robb Matzke <matzke@llnl.gov>
+ *              Friday, January 23, 1998
+ */
+#include <assert.h>
+#include <stdio.h>
+#include <hdf5.h>
+
+/* The first dataset */
+typedef struct s1_t {
+    int		a;
+    int		b;
+    int		c;
+    int		d;
+    int		e;
+} s1_t;
+
+/* The second dataset (same as first) */
+typedef s1_t s2_t;
+
+/* The third dataset (reversed fields of s1) */
+typedef struct s3_t {
+    int		e;
+    int		d;
+    int		c;
+    int		b;
+    int		a;
+} s3_t;
+
+/* The fourth dataset (a subset of s1) */
+typedef struct s4_t {
+    int		b;
+    int		d;
+} s4_t;
+
+/* The fifth dataset (a superset of s1) */
+typedef struct s5_t {
+    int		pre;
+    int		a;
+    int		b;
+    int		mid1;
+    int		c;
+    int		mid2;
+    int		d;
+    int		e;
+    int		post;
+} s5_t;
+
+
+#define NX	10
+#define NY	200
+
+
+static hid_t
+H5Pcreate_simple (int ndims, size_t *dim)
+{
+    herr_t status;
+    hid_t pid = H5Pcreate (H5P_SIMPLE);
+    assert (pid>=0);
+    status = H5Pset_space (pid, ndims, dim);
+    assert (status>=0);
+    return pid;
+}
+
+    
+
+/*-------------------------------------------------------------------------
+ * Function:	main
+ *
+ * Purpose:	Creates a simple dataset of a compound type and then reads
+ *		it back.  The dataset is read back in various ways to
+ *		exercise the I/O pipeline and compound type conversion.
+ *
+ * Return:	Success:	0
+ *
+ *		Failure:	1
+ *
+ * Programmer:	Robb Matzke
+ *              Friday, January 23, 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+main (void)
+{
+    /* First dataset */
+    static s1_t		s1[NX*NY];
+    hid_t		s1_tid;
+
+    /* Second dataset */
+    static s2_t		s2[NX*NY];
+    hid_t		s2_tid;
+
+    /* Third dataset */
+    static s3_t		s3[NX*NY];
+    hid_t		s3_tid;
+    
+    /* Fourth dataset */
+    static s4_t		s4[NX*NY];
+    hid_t		s4_tid;
+    
+    /* Fifth dataset */
+    static s5_t		s5[NX*NY];
+    hid_t		s5_tid;
+
+    /* Other variables */
+    int			i;
+    hid_t		file, dataset, space;
+    herr_t		status;
+    static size_t	dim[] = {NX, NY};
+
+    /* Create the file */
+    file = H5Fcreate ("cmpd_dset.h5", H5ACC_OVERWRITE,
+		      H5C_DEFAULT, H5C_DEFAULT);
+    assert (file>=0);
+
+    /* Create the data space */
+    space = H5Pcreate_simple (2, dim);
+    assert (space>=0);
+
+    
+
+    /*
+     *######################################################################
+     * STEP 1: Save the original dataset natively.
+     */
+    printf ("\
+STEP 1: Initialize dataset `s1' and store it on disk in native order.\n");
+    fflush (stdout);
+    
+    /* Initialize the dataset */
+    for (i=0; i<NX*NY; i++) {
+	s1[i].a = 5*i+0;
+	s1[i].b = 5*i+1;
+	s1[i].c = 5*i+2;
+	s1[i].d = 5*i+3;
+	s1[i].e = 5*i+4;
+    }
+
+    /* Create the memory data type */
+    s1_tid = H5Tcreate (H5T_COMPOUND, sizeof(s1_t));
+    H5Tinsert (s1_tid, "a", HPOFFSET(s1,a), H5T_NATIVE_INT);
+    H5Tinsert (s1_tid, "b", HPOFFSET(s1,b), H5T_NATIVE_INT);
+    H5Tinsert (s1_tid, "c", HPOFFSET(s1,c), H5T_NATIVE_INT);
+    H5Tinsert (s1_tid, "d", HPOFFSET(s1,d), H5T_NATIVE_INT);
+    H5Tinsert (s1_tid, "e", HPOFFSET(s1,e), H5T_NATIVE_INT);
+    assert (s1_tid>=0);
+
+    /* Create the dataset */
+    dataset = H5Dcreate (file, "s1", s1_tid, space, H5C_DEFAULT);
+    assert (dataset>=0);
+
+    /* Write the data */
+    status = H5Dwrite (dataset, s1_tid, H5P_ALL, H5P_ALL, H5C_DEFAULT, s1);
+    assert (status>=0);
+
+    /*
+     *######################################################################
+     * STEP 2: We create a new type ID for the second dataset even though
+     * 	       it's the same as the first just to test things better, but
+     *	       in fact, we could have used s1_tid.
+     */
+    printf ("\
+STEP 2: Read the dataset from disk into a new memory buffer which has the\n\
+        same data type and space. This will be the typical case.\n");
+    fflush (stdout);
+    
+
+    /* Create a data type for s2 */
+    s2_tid = H5Tcreate (H5T_COMPOUND, sizeof(s2_t));
+    H5Tinsert (s2_tid, "a", HPOFFSET(s2,a), H5T_NATIVE_INT);
+    H5Tinsert (s2_tid, "b", HPOFFSET(s2,b), H5T_NATIVE_INT);
+    H5Tinsert (s2_tid, "c", HPOFFSET(s2,c), H5T_NATIVE_INT);
+    H5Tinsert (s2_tid, "d", HPOFFSET(s2,d), H5T_NATIVE_INT);
+    H5Tinsert (s2_tid, "e", HPOFFSET(s2,e), H5T_NATIVE_INT);
+    assert (s2_tid>=0);
+    
+    /* Read the data */
+    status = H5Dread (dataset, s2_tid, H5P_ALL, H5P_ALL, H5C_DEFAULT, s2);
+    assert (status>=0);
+
+    /* Compare s2 with s1.  They should be the same */
+    for (i=0; i<NX*NY; i++) {
+	assert (s1[i].a==s2[i].a);
+	assert (s1[i].b==s2[i].b);
+	assert (s1[i].c==s2[i].c);
+	assert (s1[i].d==s2[i].d);
+	assert (s1[i].e==s2[i].e);
+    }
+    
+    /*
+     *######################################################################
+     * STEP 3: Read the dataset back into a third memory buffer. This buffer
+     * 	       has the same data space but the data type is different: the
+     *	       data type is a struct whose members are in the opposite order.
+     */
+    printf ("\
+STEP 3: Read the dataset again with members in a different order.\n");
+    fflush (stdout);
+    
+    /* Create a data type for s3 */
+    s3_tid = H5Tcreate (H5T_COMPOUND, sizeof(s3_t));
+    H5Tinsert (s3_tid, "a", HPOFFSET(s3,a), H5T_NATIVE_INT);
+    H5Tinsert (s3_tid, "b", HPOFFSET(s3,b), H5T_NATIVE_INT);
+    H5Tinsert (s3_tid, "c", HPOFFSET(s3,c), H5T_NATIVE_INT);
+    H5Tinsert (s3_tid, "d", HPOFFSET(s3,d), H5T_NATIVE_INT);
+    H5Tinsert (s3_tid, "e", HPOFFSET(s3,e), H5T_NATIVE_INT);
+    assert (s3_tid>=0);
+    
+    /* Read the data */
+    status = H5Dread (dataset, s3_tid, H5P_ALL, H5P_ALL, H5C_DEFAULT, s3);
+    assert (status>=0);
+
+    /* Compare s3 with s1.  They should be the same */
+    for (i=0; i<NX*NY; i++) {
+	assert (s1[i].a==s3[i].a);
+	assert (s1[i].b==s3[i].b);
+	assert (s1[i].c==s3[i].c);
+	assert (s1[i].d==s3[i].d);
+	assert (s1[i].e==s3[i].e);
+    }
+
+    /*
+     *######################################################################
+     * STEP 4: Read a subset of the members.  Of the <a,b,c,d,e> members
+     *         stored on disk we'll read <b,d>.
+     */
+    printf ("\
+STEP 4: Read a subset of the members.\n");
+    fflush (stdout);
+
+    /* Create a datatype for s4 */
+    s4_tid = H5Tcreate (H5T_COMPOUND, sizeof(s4_t));
+    H5Tinsert (s4_tid, "b", HPOFFSET(s4,b), H5T_NATIVE_INT);
+    H5Tinsert (s4_tid, "d", HPOFFSET(s4,d), H5T_NATIVE_INT);
+    assert (s4_tid>=0);
+
+    /* Read the data */
+    status = H5Dread (dataset, s4_tid, H5P_ALL, H5P_ALL, H5C_DEFAULT, s4);
+    assert (status>=0);
+
+    /* Compare s4 with s1 */
+    for (i=0; i<NX*NY; i++) {
+	assert (s1[i].b==s4[i].b);
+	assert (s1[i].d==s4[i].d);
+    }
+
+    /*
+     *######################################################################
+     * STEP 5: Read all the members into a struct which has other members
+     * 	       which have already been initialized.
+     */
+    printf ("\
+STEP 5: Read members into a superset which is partially initialized.\n");
+    fflush (stdout);
+
+    /* Initialize some members */
+    for (i=0; i<NX*NY; i++) {
+	s5[i].pre =  1000+4*i;
+	s5[i].mid1 = 1001+4*i;
+	s5[i].mid2 = 1002+4*i;
+	s5[i].post = 1003+4*i;
+    }
+    
+    /* Create a data type for s5 */
+    s5_tid = H5Tcreate (H5T_COMPOUND, sizeof(s5_t));
+    H5Tinsert (s5_tid, "a", HPOFFSET(s5,a), H5T_NATIVE_INT);
+    H5Tinsert (s5_tid, "b", HPOFFSET(s5,b), H5T_NATIVE_INT);
+    H5Tinsert (s5_tid, "c", HPOFFSET(s5,c), H5T_NATIVE_INT);
+    H5Tinsert (s5_tid, "d", HPOFFSET(s5,d), H5T_NATIVE_INT);
+    H5Tinsert (s5_tid, "e", HPOFFSET(s5,e), H5T_NATIVE_INT);
+    assert (s5_tid>=0);
+	
+    /* Read the data */
+    status = H5Dread (dataset, s5_tid, H5P_ALL, H5P_ALL, H5C_DEFAULT, s5);
+
+    /* Check that the data was read properly */
+    for (i=0; i<NX*NY; i++) {
+	assert (s1[i].a==s5[i].a);
+	assert (s1[i].b==s5[i].b);
+	assert (s1[i].c==s5[i].c);
+	assert (s1[i].d==s5[i].d);
+	assert (s1[i].e==s5[i].e);
+    }
+
+    /* Check that no previous values were clobbered */
+    for (i=0; i<NX*NY; i++) {
+	assert (s5[i].pre  == 1000+4*i);
+	assert (s5[i].mid1 == 1001+4*i);
+	assert (s5[i].mid2 == 1002+4*i);
+	assert (s5[i].post == 1003+4*i);
+    }
+    
+
+    /*
+     * Release resources.
+     */
+    H5Dclose (dataset);
+    H5Fclose (file);
+
+    exit (0);
+}
-- 
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