1 files changed, 39 insertions, 0 deletions
diff --git a/tools/h5dump/h5dumpgentest.c b/tools/h5dump/h5dumpgentest.c
index c74e800..f9450cb 100644
--- a/tools/h5dump/h5dumpgentest.c
+++ b/tools/h5dump/h5dumpgentest.c
@@ -112,6 +112,7 @@
 #define FILE82  "tcompound_complex2.h5"
 #define FILE83  "tvlenstr_array.h5"
 #define FILE84  "tudfilter.h5"
+#define FILE85  "tgrpnullspace.h5"
 
 /*-------------------------------------------------------------------------
  * prototypes
@@ -10289,6 +10290,43 @@ H5Z_filter_dynlibud(unsigned int flags, size_t cd_nelmts,
  *-------------------------------------------------------------------------
  */
 
+/*-------------------------------------------------------------------------
+ * Function: gent_null_space_group
+ *
+ * Purpose: generates dataset and attribute of null dataspace in a group
+ *-------------------------------------------------------------------------
+ */
+static void gent_null_space_group(void)
+{
+    hid_t fid, root, group, dataset, space, attr;
+    int dset_buf = 10;
+    int point = 4;
+
+    fid = H5Fcreate(FILE85, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+    root = H5Gopen2(fid, "/", H5P_DEFAULT);
+
+    group = H5Gcreate2(fid, "/g1", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* null space */
+    space = H5Screate(H5S_NULL);
+
+    /* dataset */
+    dataset = H5Dcreate2(group, "dset", H5T_STD_I32BE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    /* nothing should be written */
+    H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, &dset_buf);
+
+    /* attribute */
+    attr = H5Acreate2(group, "attr", H5T_NATIVE_UINT, space, H5P_DEFAULT, H5P_DEFAULT);
+    H5Awrite(attr, H5T_NATIVE_INT, &point); /* Nothing can be written */
+
+    H5Dclose(dataset);
+    H5Aclose(attr);
+    H5Gclose(group);
+    H5Gclose(root);
+    H5Sclose(space);
+    H5Fclose(fid);
+}
+
 int main(void)
 {
     gent_group();
@@ -10376,6 +10414,7 @@ int main(void)
     gent_bitnopaquefields();
 
     gent_intsfourdims();
+    gent_null_space_group();
 
     gent_udfilter();