From 8493009bd427a705d9bc755981dfe744d4d8537a Mon Sep 17 00:00:00 2001
From: Xiaowen Wu <wuxiaowe@ncsa.uiuc.edu>
Date: Wed, 16 Feb 2005 22:14:05 -0500
Subject: [svn-r10026] Purpose:     New feature.

Description:
    Add a test case for scaleoffset filter (integer type). For debugging purpose only.
    The test case is not turned on.

Solution:

Platforms tested:
    heping, copper, arabica

Misc. update:
---
 test/dsets.c | 131 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 130 insertions(+), 1 deletion(-)

diff --git a/test/dsets.c b/test/dsets.c
index c647f39..da5c5d5 100644
--- a/test/dsets.c
+++ b/test/dsets.c
@@ -80,6 +80,7 @@ const char *FILENAME[] = {
 #define DSET_NBIT_ARRAY_NAME        "nbit_array"
 #define DSET_NBIT_COMPOUND_NAME     "nbit_compound"
 #define DSET_NBIT_COMPOUND_NAME_2   "nbit_compound_2"
+#define DSET_SCALEOFFSET_INT_NAME   "scaleoffset_int"
 #define DSET_COMPARE_DCPL_NAME	"compare_dcpl"
 #define DSET_COMPARE_DCPL_NAME_2	"compare_dcpl_2"
 
@@ -3543,6 +3544,133 @@ error:
 
 
 /*-------------------------------------------------------------------------
+ * Function:    test_scaleoffset_int
+ *
+ * Purpose:     Tests the integer datatype for scaleoffset filter
+ *
+ * Return:      Success:        0
+ *
+ *              Failure:        -1
+ *
+ * Programmer:  Xiaowen Wu
+ *              Monday, Feb. 14th, 2005
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+test_scaleoffset_int(hid_t file)
+{
+#ifdef H5_HAVE_FILTER_SCALEOFFSET
+    hid_t               dataset, datatype, space, dc;
+    const hsize_t       size[2] = {2, 5};
+    const hsize_t       chunk_size[2] = {2,5};
+    int                 orig_data[2][5];
+    int                 new_data[2][5];
+    hsize_t             i, j;
+#else /* H5_HAVE_FILTER_SCALEOFFSET */
+    const char          *not_supported= "    Scaleoffset is not enabled.";
+#endif /* H5_HAVE_FILTER_SCALEOFFSET */
+
+    puts("Testing scaleoffset filter");
+    TESTING("    scaleoffset int (setup)");
+#ifdef H5_HAVE_FILTER_SCALEOFFSET
+    datatype = H5Tcopy(H5T_NATIVE_INT);
+#if 0
+    /* Set order of dataset datatype */
+    if(H5Tset_order(datatype, H5T_ORDER_BE)<0) goto error;
+#endif
+    /* Create the data space */
+    if ((space = H5Screate_simple(2, size, NULL))<0) goto error;
+
+    /* Createa the dataset property list  */
+    if((dc = H5Pcreate(H5P_DATASET_CREATE))<0) goto error;
+    if (H5Pset_chunk(dc, 2, chunk_size)<0) goto error;
+    if (H5Pset_scaleoffset(dc, 0)<0) goto error;
+    if (H5Pset_fill_value(dc, datatype, NULL)<0) goto error;
+
+    /* Create the dataset */
+    if ((dataset = H5Dcreate(file, DSET_SCALEOFFSET_INT_NAME, datatype,
+                             space,dc))<0) goto error;
+
+    /* Initialize data, assuming size of long_long >= size of int */
+    for (i= 0;i< size[0]; i++)
+      for (j = 0; j < size[1]; j++) { 
+        orig_data[i][j] = (long_long)HDrandom() % 
+                           10000;
+        /* even-numbered values are negtive */
+        if((i*size[1]+j+1)%2 == 0) 
+            orig_data[i][j] = -orig_data[i][j];
+        }
+
+    PASSED();
+#else
+    SKIPPED();
+    puts(not_supported);
+#endif
+
+    /*----------------------------------------------------------------------
+     * STEP 1: Test scaleoffset by setting up a chunked dataset and writing
+     * to it.
+     *----------------------------------------------------------------------
+     */
+    TESTING("    scaleoffset int (write)");
+
+#ifdef H5_HAVE_FILTER_SCALEOFFSET
+    if (H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,
+                 orig_data)<0)
+        goto error;
+    PASSED();
+#else
+    SKIPPED();
+    puts(not_supported);
+#endif
+
+    /*----------------------------------------------------------------------
+     * STEP 2: Try to read the data we just wrote.
+     *----------------------------------------------------------------------
+     */
+    TESTING("    scaleoffset int (read)");
+
+#ifdef H5_HAVE_FILTER_SCALEOFFSET
+    /* Read the dataset back */
+    if (H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,
+                new_data)<0)
+        goto error;
+
+    /* Check that the values read are the same as the values written */
+    for (i=0; i<size[0]; i++) {
+        for (j=0; j<size[1]; j++) {
+            if (new_data[i][j] != orig_data[i][j]) {
+                H5_FAILED();
+                printf("    Read different values than written.\n");
+                printf("    At index %lu,%lu\n", (unsigned long)i, (unsigned long)j);
+                goto error;
+            }/*
+                printf("orig: %d    new: %d\n", orig_data[i][j], new_data[i][j]);*/
+        }
+    }
+    /*----------------------------------------------------------------------
+     * Cleanup
+     *----------------------------------------------------------------------
+     */
+    if (H5Tclose(datatype)<0) goto error;
+    if (H5Pclose (dc)<0) goto error;
+    if (H5Dclose(dataset)<0) goto error;
+
+    PASSED();
+#else
+    SKIPPED();
+    puts(not_supported);
+#endif
+    return 0;
+error:
+    return -1;
+}
+
+
+/*-------------------------------------------------------------------------
  * Function:	test_multiopen
  *
  * Purpose:	Tests that a bug no longer exists.  If a dataset is opened
@@ -4978,7 +5106,8 @@ int main(void)
     nerrors += test_nbit_double(file)<0         ?1:0; 
     nerrors += test_nbit_array(file)<0 ?1:0;
     nerrors += test_nbit_compound(file)<0 ?1:0; 
-    nerrors += test_nbit_compound_2(file)<0 ?1:0; 
+    nerrors += test_nbit_compound_2(file)<0 ?1:0;
+/*    nerrors += test_scaleoffset_int(file)<0 ?1:0; */
     nerrors += test_multiopen (file)<0	?1:0;
     nerrors += test_types(file)<0       ?1:0;
     nerrors += test_userblock_offset(fapl)<0     ?1:0;
-- 
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