From 06002f8c22b46d69cf4951eba0bbca946955c0d0 Mon Sep 17 00:00:00 2001
From: Songyu Lu <songyulu@hdfgroup.org>
Date: Wed, 10 Apr 2019 10:21:38 -0500
Subject: Minor fixes: updating the test vds_env.c according to the set up of
 vds.c.

---
 src/H5Fprivate.h |  2 +-
 test/vds_env.c   | 54 +++++++++++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 48 insertions(+), 8 deletions(-)

diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h
index 553e16b..80d7229 100644
--- a/src/H5Fprivate.h
+++ b/src/H5Fprivate.h
@@ -702,7 +702,7 @@ typedef enum H5F_mem_page_t {
 
 /* Type of prefix for opening prefixed files */
 typedef enum H5F_prefix_open_t {
-    H5D_PREFIX_ERROR = -1,          /* Error                  */
+    H5F_PREFIX_ERROR = -1,          /* Error                  */
     H5F_PREFIX_VDS   = 0,           /* Virtual dataset prefix */
     H5F_PREFIX_ELINK = 1,           /* External link prefix   */
     H5F_PREFIX_EFILE = 2,           /* External file prefix   */
diff --git a/test/vds_env.c b/test/vds_env.c
index d73336d..b42bb00 100644
--- a/test/vds_env.c
+++ b/test/vds_env.c
@@ -294,22 +294,62 @@ int
 main(void)
 {
     char filename[FILENAME_BUF_SIZE];
-    hid_t fapl;
+    hid_t fapl, my_fapl;
     int test_api_config;
     unsigned bit_config;
+    H5F_libver_t low, high;     /* Low and high bounds */
+    unsigned latest = FALSE;    /* Using the latest library version bound */
     int nerrors = 0;
 
     /* Testing setup */
     h5_reset();
     fapl = h5_fileaccess();
 
-    for(bit_config = 0; bit_config < TEST_IO_NTESTS; bit_config++) {
-        HDprintf("Config: %s%s%s\n", bit_config & TEST_IO_CLOSE_SRC ? "closed source dataset, " : "", bit_config & TEST_IO_DIFFERENT_FILE ? "different source file" : "same source file", bit_config & TEST_IO_REOPEN_VIRT ? ", reopen virtual file" : "");
-        nerrors += test_vds_prefix_second(bit_config, fapl);
-    }
+    /* Set to use the latest file format */
+    if((my_fapl = H5Pcopy(fapl)) < 0) TEST_ERROR
+
+     /* Loop through all the combinations of low/high version bounds */
+    for(low = H5F_LIBVER_EARLIEST; low < H5F_LIBVER_NBOUNDS; low++) {
+        for(high = H5F_LIBVER_EARLIEST; high < H5F_LIBVER_NBOUNDS; high++) {
+            char msg[80];       /* Message for file version bounds */
+            char *low_string;   /* The low bound string */
+            char *high_string;  /* The high bound string */
+
+            /* Invalid combinations, just continue */
+            if(high == H5F_LIBVER_EARLIEST || high < low)
+                continue;
+
+            /* Test virtual dataset only for V110 and above */
+            if(high < H5F_LIBVER_V110)
+                continue;
+
+            /* Whether to use latest hyperslab/point selection version */
+            if(low >= H5F_LIBVER_V112)
+                latest = TRUE;
+
+            /* Set the low/high version bounds */
+            if(H5Pset_libver_bounds(my_fapl, low, high) < 0)
+                TEST_ERROR
 
-    /* Verify symbol table messages are cached */
-    nerrors += (h5_verify_cached_stabs(FILENAME, fapl) < 0 ? 1 : 0);
+            /* Display testing info */
+            low_string = h5_get_version_string(low);
+            high_string = h5_get_version_string(high);
+            HDsprintf(msg, "Testing virtual dataset with file version bounds: (%s, %s):", low_string, high_string);
+            HDputs(msg);
+
+            for(bit_config = 0; bit_config < TEST_IO_NTESTS; bit_config++) {
+                HDprintf("Config: %s%s%s\n", bit_config & TEST_IO_CLOSE_SRC ? "closed source dataset, " : "", bit_config & TEST_IO_DIFFERENT_FILE ? "different source file" : "same source file", bit_config & TEST_IO_REOPEN_VIRT ? ", reopen virtual file" : "");
+                nerrors += test_vds_prefix_second(bit_config, fapl);
+            }
+
+            /* Verify symbol table messages are cached */
+            nerrors += (h5_verify_cached_stabs(FILENAME, my_fapl) < 0 ? 1 : 0);
+
+       } /* end for high */
+    } /* end for low */
+
+    if(H5Pclose(my_fapl) < 0)
+        TEST_ERROR
 
     if(nerrors)
         goto error;
-- 
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