[svn-r16369] Description:

	Bring r16347:16367 from trunk into revise_chunks branch.

Tested on:
	FreeBSD/32 6.3 (duty)
	(h5committest not required on this branch)

35 files changed, 120 insertions, 19 deletions

diff --git a/tools/h5diff/h5diff_common.c b/tools/h5diff/h5diff_common.c
index 8a49fa0..3f2b8cf 100644
--- a/tools/h5diff/h5diff_common.c
+++ b/tools/h5diff/h5diff_common.c
@@ -31,7 +31,7 @@ const char  *progname = "h5diff";
  * Command-line options: The user can specify short or long-named
  * parameters.
  */
-static const char *s_opts = "hVrvqn:d:p:N";
+static const char *s_opts = "hVrvqn:d:p:Nc";
 static struct long_options l_opts[] = {
     { "help", no_arg, 'h' },
     { "version", no_arg, 'V' },
@@ -42,6 +42,7 @@ static struct long_options l_opts[] = {
     { "delta", require_arg, 'd' },
     { "relative", require_arg, 'p' },
     { "nan", no_arg, 'N' },
+    { "compare", no_arg, 'c' },
     { NULL, 0, '\0' }
 };
 
@@ -138,6 +139,9 @@ void parse_command_line(int argc,
         case 'N':
             options->do_nans = 0;
             break;
+        case 'c':
+            options->m_list_not_cmp = 1;
+            break;
         }
     }
 
@@ -194,11 +198,15 @@ void parse_command_line(int argc,
 
      if (options->not_cmp==1)
      {
-         printf("--------------------------------\n");
-         printf("Some objects are not comparable\n");
-         printf("--------------------------------\n");
-         if (!options->m_verbose)
-             printf("Use -v for a list of objects.\n");
+         if ( options->m_list_not_cmp == 0 )
+         {
+             printf("--------------------------------\n");
+             printf("Some objects are not comparable\n");
+             printf("--------------------------------\n");
+             printf("Use -c for a list of objects.\n");
+         }
+        
+             
      }
 
  }
@@ -331,6 +339,7 @@ void usage(void)
  printf("   -r, --report            Report mode. Print differences\n");
  printf("   -v, --verbose           Verbose mode. Print differences, list of objects\n");
  printf("   -q, --quiet             Quiet mode. Do not do output\n");
+ printf("   -c, --compare           List objects that are not comparable\n");
  printf("   -N, --nan               Avoid NaNs detection\n");
 
  printf("   -n C, --count=C         Print differences up to C number\n");
diff --git a/tools/h5diff/h5diffgentest.c b/tools/h5diff/h5diffgentest.c
index ca14501..ec379be 100644
--- a/tools/h5diff/h5diffgentest.c
+++ b/tools/h5diff/h5diffgentest.c
@@ -328,6 +328,25 @@ int test_basic(const char *fname1, const char *fname2, const char *fname3)
         write_dset(gid1,1,dims1,"fp18",H5T_NATIVE_DOUBLE,data18);
         
     }
+
+    /* not comparable objects */
+    {
+        double       data2[6] = {0,0,0,0,0,0};
+        int          data3[6] = {0,0,0,0,0,0};
+        int          data4[3][2] = {{0,0},{0,0},{0,0}};
+        hsize_t      dims3[2] = { 2,2 };
+        int          data5[2][2] = {{0,0},{0,0}};
+        unsigned int data6[3][2] = {{0,0},{0,0},{0,0}};
+
+        write_dset(gid3,1,dims1,"dset1",H5T_NATIVE_DOUBLE,NULL);
+        write_dset(gid3,1,dims1,"dset2",H5T_NATIVE_DOUBLE,data2);
+        write_dset(gid3,1,dims1,"dset3",H5T_NATIVE_INT,data3);
+        write_dset(gid3,2,dims2,"dset4",H5T_NATIVE_INT,data4);
+        write_dset(gid3,2,dims3,"dset5",H5T_NATIVE_INT,data5);
+        write_dset(gid3,2,dims2,"dset6",H5T_NATIVE_UINT,data6);
+        
+        
+    }
     
     
     /*-------------------------------------------------------------------------
diff --git a/tools/h5diff/testfiles/h5diff_10.txt b/tools/h5diff/testfiles/h5diff_10.txt
index 5480df1..316f06c 100644
--- a/tools/h5diff/testfiles/h5diff_10.txt
+++ b/tools/h5diff/testfiles/h5diff_10.txt
@@ -9,6 +9,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_16_1.txt b/tools/h5diff/testfiles/h5diff_16_1.txt
index 6155ebf..519f695 100644
--- a/tools/h5diff/testfiles/h5diff_16_1.txt
+++ b/tools/h5diff/testfiles/h5diff_16_1.txt
@@ -8,6 +8,3 @@ position        dset5           dset6           difference      relative
 [ 1 1 ]          0               100             100             not comparable
 [ 2 1 ]          100             50              50              0.500000      
 5 differences found
---------------------------------
-Some objects are not comparable
---------------------------------
diff --git a/tools/h5diff/testfiles/h5diff_16_2.txt b/tools/h5diff/testfiles/h5diff_16_2.txt
index 43127bb..233b133 100644
--- a/tools/h5diff/testfiles/h5diff_16_2.txt
+++ b/tools/h5diff/testfiles/h5diff_16_2.txt
@@ -8,6 +8,3 @@ position        dset7           dset8           difference      relative
 [ 1 1 ]          0               100             100             not comparable
 [ 2 1 ]          100             50              50              0.500000      
 5 differences found
---------------------------------
-Some objects are not comparable
---------------------------------
diff --git a/tools/h5diff/testfiles/h5diff_16_3.txt b/tools/h5diff/testfiles/h5diff_16_3.txt
index 6da24cf..b96c8a4 100644
--- a/tools/h5diff/testfiles/h5diff_16_3.txt
+++ b/tools/h5diff/testfiles/h5diff_16_3.txt
@@ -8,6 +8,3 @@ position        dset9           dset10          difference      relative
 [ 1 1 ]          0               100             100             not comparable
 [ 2 1 ]          100             50              50              0.5           
 5 differences found
---------------------------------
-Some objects are not comparable
---------------------------------
diff --git a/tools/h5diff/testfiles/h5diff_17.txt b/tools/h5diff/testfiles/h5diff_17.txt
index 40ea563..2ffbda9 100644
--- a/tools/h5diff/testfiles/h5diff_17.txt
+++ b/tools/h5diff/testfiles/h5diff_17.txt
@@ -23,6 +23,12 @@ file1     file2
     x           /g1/fp2        
     x           /g1/ld         
            x    /g2            
+           x    /g2/dset1      
+           x    /g2/dset2      
+           x    /g2/dset3      
+           x    /g2/dset4      
+           x    /g2/dset5      
+           x    /g2/dset6      
 
 group  : </> and </>
 0 differences found
diff --git a/tools/h5diff/testfiles/h5diff_20.txt b/tools/h5diff/testfiles/h5diff_20.txt
index e383972..b2fda7c 100644
--- a/tools/h5diff/testfiles/h5diff_20.txt
+++ b/tools/h5diff/testfiles/h5diff_20.txt
@@ -1,4 +1,5 @@
-Comparison not possible: </dset> is of type H5G_DATASET and </g1> is of type H5G_GROUP
+</dset> is of type H5G_DATASET and </g1> is of type H5G_GROUP
 --------------------------------
 Some objects are not comparable
 --------------------------------
+Use -c for a list of objects.
diff --git a/tools/h5diff/testfiles/h5diff_200.txt b/tools/h5diff/testfiles/h5diff_200.txt
new file mode 100644
index 0000000..56d723d
--- /dev/null
+++ b/tools/h5diff/testfiles/h5diff_200.txt
@@ -0,0 +1,4 @@
+--------------------------------
+Some objects are not comparable
+--------------------------------
+Use -c for a list of objects.
diff --git a/tools/h5diff/testfiles/h5diff_201.txt b/tools/h5diff/testfiles/h5diff_201.txt
new file mode 100644
index 0000000..599cc2b
--- /dev/null
+++ b/tools/h5diff/testfiles/h5diff_201.txt
@@ -0,0 +1 @@
+</g2/dset1> or </g2/dset2> are empty datasets
diff --git a/tools/h5diff/testfiles/h5diff_202.txt b/tools/h5diff/testfiles/h5diff_202.txt
new file mode 100644
index 0000000..a881cf5
--- /dev/null
+++ b/tools/h5diff/testfiles/h5diff_202.txt
@@ -0,0 +1,2 @@
+</g2/dset2> is of class H5T_FLOAT and </g2/dset3> is of class H5T_INTEGER
+</g2/dset2> has sign H5T_SGN_ERROR and </g2/dset3> has sign H5T_SGN_2
diff --git a/tools/h5diff/testfiles/h5diff_203.txt b/tools/h5diff/testfiles/h5diff_203.txt
new file mode 100644
index 0000000..aea1891
--- /dev/null
+++ b/tools/h5diff/testfiles/h5diff_203.txt
@@ -0,0 +1,2 @@
+</g2/dset3> has rank 1, dimensions [6], max dimensions [6]
+</g2/dset4> has rank 2, dimensions [3x2], max dimensions [3x2]
diff --git a/tools/h5diff/testfiles/h5diff_204.txt b/tools/h5diff/testfiles/h5diff_204.txt
new file mode 100644
index 0000000..66b9e63
--- /dev/null
+++ b/tools/h5diff/testfiles/h5diff_204.txt
@@ -0,0 +1,2 @@
+</g2/dset4> has rank 2, dimensions [3x2], max dimensions [3x2]
+</g2/dset5> has rank 2, dimensions [2x2], max dimensions [2x2]
diff --git a/tools/h5diff/testfiles/h5diff_205.txt b/tools/h5diff/testfiles/h5diff_205.txt
new file mode 100644
index 0000000..f7360ab
--- /dev/null
+++ b/tools/h5diff/testfiles/h5diff_205.txt
@@ -0,0 +1,3 @@
+</g2/dset5> has rank 2, dimensions [2x2], max dimensions [2x2]
+</g2/dset6> has rank 2, dimensions [3x2], max dimensions [3x2]
+</g2/dset5> has sign H5T_SGN_2 and </g2/dset6> has sign H5T_SGN_NONE
diff --git a/tools/h5diff/testfiles/h5diff_21.txt b/tools/h5diff/testfiles/h5diff_21.txt
index d5b0443..5518e0c 100644
--- a/tools/h5diff/testfiles/h5diff_21.txt
+++ b/tools/h5diff/testfiles/h5diff_21.txt
@@ -1,4 +1,5 @@
-Comparison not possible: </dset> is of type H5G_DATASET and </l1> is of type H5G_LINK
+</dset> is of type H5G_DATASET and </l1> is of type H5G_LINK
 --------------------------------
 Some objects are not comparable
 --------------------------------
+Use -c for a list of objects.
diff --git a/tools/h5diff/testfiles/h5diff_22.txt b/tools/h5diff/testfiles/h5diff_22.txt
index d8714a0..0f9493b 100644
--- a/tools/h5diff/testfiles/h5diff_22.txt
+++ b/tools/h5diff/testfiles/h5diff_22.txt
@@ -1,4 +1,5 @@
-Comparison not possible: </dset> is of type H5G_DATASET and </t1> is of type H5G_TYPE
+</dset> is of type H5G_DATASET and </t1> is of type H5G_TYPE
 --------------------------------
 Some objects are not comparable
 --------------------------------
+Use -c for a list of objects.
diff --git a/tools/h5diff/testfiles/h5diff_57.txt b/tools/h5diff/testfiles/h5diff_57.txt
index 590d355..c1a0d64 100644
--- a/tools/h5diff/testfiles/h5diff_57.txt
+++ b/tools/h5diff/testfiles/h5diff_57.txt
@@ -2,8 +2,9 @@ dataset: </dset7a> and </dset7b>
 Warning: different storage datatype
 </dset7a> has file datatype H5T_STD_I8LE
 </dset7b> has file datatype H5T_STD_U8LE
-Comparison not supported: </dset7a> has sign H5T_SGN_2 and </dset7b> has sign H5T_SGN_NONE
+</dset7a> has sign H5T_SGN_2 and </dset7b> has sign H5T_SGN_NONE
 0 differences found
 --------------------------------
 Some objects are not comparable
 --------------------------------
+Use -c for a list of objects.
diff --git a/tools/h5diff/testfiles/h5diff_600.txt b/tools/h5diff/testfiles/h5diff_600.txt
index 22a3155..f6492cd 100644
--- a/tools/h5diff/testfiles/h5diff_600.txt
+++ b/tools/h5diff/testfiles/h5diff_600.txt
@@ -9,6 +9,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_603.txt b/tools/h5diff/testfiles/h5diff_603.txt
index 80ee102..b3a2d91 100644
--- a/tools/h5diff/testfiles/h5diff_603.txt
+++ b/tools/h5diff/testfiles/h5diff_603.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_604.txt b/tools/h5diff/testfiles/h5diff_604.txt
index acb12b9..f76be67 100644
--- a/tools/h5diff/testfiles/h5diff_604.txt
+++ b/tools/h5diff/testfiles/h5diff_604.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_605.txt b/tools/h5diff/testfiles/h5diff_605.txt
index 94f016d..6a5d5cb 100644
--- a/tools/h5diff/testfiles/h5diff_605.txt
+++ b/tools/h5diff/testfiles/h5diff_605.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_606.txt b/tools/h5diff/testfiles/h5diff_606.txt
index f181030..8338959 100644
--- a/tools/h5diff/testfiles/h5diff_606.txt
+++ b/tools/h5diff/testfiles/h5diff_606.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_612.txt b/tools/h5diff/testfiles/h5diff_612.txt
index 840058d..ae42501 100644
--- a/tools/h5diff/testfiles/h5diff_612.txt
+++ b/tools/h5diff/testfiles/h5diff_612.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_613.txt b/tools/h5diff/testfiles/h5diff_613.txt
index 5c18686..a5fbeff 100644
--- a/tools/h5diff/testfiles/h5diff_613.txt
+++ b/tools/h5diff/testfiles/h5diff_613.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_614.txt b/tools/h5diff/testfiles/h5diff_614.txt
index a630e02..d5716f6 100644
--- a/tools/h5diff/testfiles/h5diff_614.txt
+++ b/tools/h5diff/testfiles/h5diff_614.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_615.txt b/tools/h5diff/testfiles/h5diff_615.txt
index 8fdc0ce..be344bb 100644
--- a/tools/h5diff/testfiles/h5diff_615.txt
+++ b/tools/h5diff/testfiles/h5diff_615.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_621.txt b/tools/h5diff/testfiles/h5diff_621.txt
index 746977e..082598e 100644
--- a/tools/h5diff/testfiles/h5diff_621.txt
+++ b/tools/h5diff/testfiles/h5diff_621.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_622.txt b/tools/h5diff/testfiles/h5diff_622.txt
index 4ead1fb..986b196 100644
--- a/tools/h5diff/testfiles/h5diff_622.txt
+++ b/tools/h5diff/testfiles/h5diff_622.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_623.txt b/tools/h5diff/testfiles/h5diff_623.txt
index fb94e0d..cba630e 100644
--- a/tools/h5diff/testfiles/h5diff_623.txt
+++ b/tools/h5diff/testfiles/h5diff_623.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_624.txt b/tools/h5diff/testfiles/h5diff_624.txt
index bb4b133..3a5554f 100644
--- a/tools/h5diff/testfiles/h5diff_624.txt
+++ b/tools/h5diff/testfiles/h5diff_624.txt
@@ -10,6 +10,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
    -r, --report            Report mode. Print differences
    -v, --verbose           Verbose mode. Print differences, list of objects
    -q, --quiet             Quiet mode. Do not do output
+   -c, --compare           List objects that are not comparable
    -N, --nan               Avoid NaNs detection
    -n C, --count=C         Print differences up to C number
    -d D, --delta=D         Print difference when greater than limit D
diff --git a/tools/h5diff/testfiles/h5diff_70.txt b/tools/h5diff/testfiles/h5diff_70.txt
index 87f9beb..42fe6fc 100644
--- a/tools/h5diff/testfiles/h5diff_70.txt
+++ b/tools/h5diff/testfiles/h5diff_70.txt
@@ -2028,3 +2028,4 @@ position        float3D of </g1> float3D of </g1> difference
 --------------------------------
 Some objects are not comparable
 --------------------------------
+Use -c for a list of objects.
diff --git a/tools/h5diff/testfiles/h5diff_80.txt b/tools/h5diff/testfiles/h5diff_80.txt
index 9e7af5d..dcabf10 100644
--- a/tools/h5diff/testfiles/h5diff_80.txt
+++ b/tools/h5diff/testfiles/h5diff_80.txt
@@ -873,3 +873,4 @@ point #4              (2,8)              (1,7)
 --------------------------------
 Some objects are not comparable
 --------------------------------
+Use -c for a list of objects.
diff --git a/tools/h5diff/testfiles/h5diff_90.txt b/tools/h5diff/testfiles/h5diff_90.txt
index 7007d88..cfef527 100644
--- a/tools/h5diff/testfiles/h5diff_90.txt
+++ b/tools/h5diff/testfiles/h5diff_90.txt
@@ -7,6 +7,12 @@ file1     file2
     x      x    /g1/dset2      
     x      x    /g1/dset4      
     x      x    /g2            
+    x      x    /g2/dset1      
+    x      x    /g2/dset2      
+    x      x    /g2/dset3      
+    x      x    /g2/dset4      
+    x      x    /g2/dset5      
+    x      x    /g2/dset6      
 
 group  : </> and </>
 0 differences found
@@ -20,3 +26,20 @@ dataset: </g1/dset4> and </g1/dset4>
 0 differences found
 group  : </g2> and </g2>
 0 differences found
+dataset: </g2/dset1> and </g2/dset1>
+</g2/dset1> or </g2/dset1> are empty datasets
+0 differences found
+dataset: </g2/dset2> and </g2/dset2>
+0 differences found
+dataset: </g2/dset3> and </g2/dset3>
+0 differences found
+dataset: </g2/dset4> and </g2/dset4>
+0 differences found
+dataset: </g2/dset5> and </g2/dset5>
+0 differences found
+dataset: </g2/dset6> and </g2/dset6>
+0 differences found
+--------------------------------
+Some objects are not comparable
+--------------------------------
+Use -c for a list of objects.
diff --git a/tools/h5diff/testfiles/h5diff_basic2.h5 b/tools/h5diff/testfiles/h5diff_basic2.h5
index ad45cc0..edb0c65 100644
--- a/tools/h5diff/testfiles/h5diff_basic2.h5
+++ b/tools/h5diff/testfiles/h5diff_basic2.h5
diff --git a/tools/h5diff/testh5diff.sh b/tools/h5diff/testh5diff.sh
index 811b9d8..e37a047 100755
--- a/tools/h5diff/testh5diff.sh
+++ b/tools/h5diff/testh5diff.sh
@@ -578,6 +578,25 @@ TESTING $H5DIFF -v  $SRCFILE1 $SRCFILE1  g1/fp1 g1/fp2
 TOOLTEST h5diff_102.txt -v $FILE1 $FILE1 g1/fp1 g1/fp2 
 
 
+# not comparable -c flag
+TESTING $H5DIFF $SRCFILE2 $SRCFILE2 g2/dset1  g2/dset2
+TOOLTEST h5diff_200.txt $FILE2 $FILE2 g2/dset1  g2/dset2 
+
+TESTING $H5DIFF -c $SRCFILE2 $SRCFILE2 g2/dset1  g2/dset2
+TOOLTEST h5diff_201.txt -c $FILE2 $FILE2 g2/dset1  g2/dset2 
+
+TESTING $H5DIFF -c $SRCFILE2 $SRCFILE2 g2/dset2  g2/dset3
+TOOLTEST h5diff_202.txt -c $FILE2 $FILE2 g2/dset2  g2/dset3
+
+TESTING $H5DIFF -c $SRCFILE2 $SRCFILE2 g2/dset3  g2/dset4
+TOOLTEST h5diff_203.txt -c $FILE2 $FILE2 g2/dset3  g2/dset4
+
+TESTING $H5DIFF -c $SRCFILE2 $SRCFILE2 g2/dset4  g2/dset5
+TOOLTEST h5diff_204.txt -c $FILE2 $FILE2 g2/dset4  g2/dset5
+
+TESTING $H5DIFF -c $SRCFILE2 $SRCFILE2 g2/dset5  g2/dset6
+TOOLTEST h5diff_205.txt -c $FILE2 $FILE2 g2/dset5  g2/dset6
+
 
 # ##############################################################################
 # # END