HDFFV-9407 Add test

MANIFEST

@@ -1698,6 +1698,7 @@
 ./tools/testfiles/h5dump-help.txt
 ./tools/testfiles/non_existing.ddl
 ./tools/testfiles/packedbits.ddl
+./tools/testfiles/t128bit_float.h5
 ./tools/testfiles/taindices.h5
 ./tools/testfiles/tall-1.ddl
 ./tools/testfiles/tall-2.ddl

release_docs/RELEASE.txt

@@ -59,11 +59,11 @@ New Features
       (ADB - 2019/06/12, HDFFV-10805)
 
     - Add options to enable or disable building tools and tests
-    
-      Configure options --enable-tests and --enable-tools were added for 
+
+      Configure options --enable-tests and --enable-tools were added for
       autotools configure.  These options are enabled by default, and can be
-      disabled with either --disable-tests (or tools) or --enable-tests=no 
-      (or --enable-tools=no).  Build time is reduced ~20% when tools are 
+      disabled with either --disable-tests (or tools) or --enable-tests=no
+      (or --enable-tools=no).  Build time is reduced ~20% when tools are
       disabled, 35% when tests are disabled, 45% when both are disabled.
       Reenabling them after the initial build requires running configure
       again with the option(s) enabled.
@@ -240,7 +240,6 @@ New Features
 
       (ADB - 2018/12/12, HDFVIEW-4)
 
-
     - Removed H5I_REFERENCE from the Java wrappers
 
       This ID class was never used by the library and has been removed
@@ -251,7 +250,12 @@ New Features
 
     Tools:
     ------
-    -
+    - h5dump was fixed for 128-bit floats, but was missing a test.
+
+      New test greps for the first 15 numbers of the 128-bit value.
+
+      (ADB - 2019/06/23, HDFFV-9407)
+
 
     High-Level APIs:
     ---------------
@@ -286,7 +290,7 @@ Bug Fixes since HDF5-1.10.3 release
       H5F_LIBVER_V18, the H5Ocopy() call will fail with the error stack indicating
       that the fill value version is out of bounds.
 
-      This was fixed by changing the fill value message version to H5O_FILL_VERSION_3 
+      This was fixed by changing the fill value message version to H5O_FILL_VERSION_3
       (from H5O_FILL_VERSION_2) for H5F_LIBVER_V18.
 
       (VC - 2019/6/14, HDFFV-10800)

tools/test/h5dump/CMakeTests.cmake

@@ -320,6 +320,7 @@
       ${HDF5_TOOLS_DIR}/testfiles/tvlenstr_array.h5
       ${HDF5_TOOLS_DIR}/testfiles/tvlstr.h5
       ${HDF5_TOOLS_DIR}/testfiles/tvms.h5
+      ${HDF5_TOOLS_DIR}/testfiles/t128bit_float.h5
       ${HDF5_TOOLS_DIR}/testfiles/zerodim.h5
   )
   set (HDF5_ERROR_REFERENCE_TEST_FILES
@@ -674,6 +675,32 @@
     endif ()
   endmacro ()
 
+  macro (ADD_H5_GREP_TEST resultfile resultcode result_check)
+    if (NOT HDF5_ENABLE_USING_MEMCHECKER)
+      # Remove any output file left over from previous test run
+      add_test (
+          NAME H5DUMP-${resultfile}-clear-objects
+          COMMAND    ${CMAKE_COMMAND}
+              -E remove
+              ${resultfile}.out
+              ${resultfile}.out.err
+      )
+      set_tests_properties (H5DUMP-${resultfile}-clear-objects PROPERTIES WORKING_DIRECTORY "${PROJECT_BINARY_DIR}/testfiles/std")
+      add_test (
+          NAME H5DUMP-${resultfile}
+          COMMAND "${CMAKE_COMMAND}"
+              -D "TEST_PROGRAM=$<TARGET_FILE:h5dump${tgt_ext}>"
+              -D "TEST_ARGS:STRING=${ARGN}"
+              -D "TEST_FOLDER=${PROJECT_BINARY_DIR}/testfiles/std"
+              -D "TEST_OUTPUT=${resultfile}.out"
+              -D "TEST_EXPECT=${resultcode}"
+              -D "TEST_REFERENCE=${result_check}"
+              -P "${HDF_RESOURCES_EXT_DIR}/grepTest.cmake"
+      )
+    set_tests_properties (H5DUMP-${resultfile} PROPERTIES DEPENDS "H5DUMP-${resultfile}-clear-objects")
+    endif ()
+  endmacro ()
+
   macro (ADD_H5ERR_MASK_TEST resultfile resultcode result_errcheck)
     if (NOT HDF5_ENABLE_USING_MEMCHECKER)
       # Remove any output file left over from previous test run
@@ -1551,6 +1578,9 @@
   # test to verify HDFFV-10333: error similar to H5O_attr_decode in the jira issue
   ADD_H5_TEST (err_attr_dspace 1 err_attr_dspace.h5)
 
+  # test to verify HDFFV-9407: long double full precision
+  ADD_H5_GREP_TEST (t128bit_float 1 "1.123456789012345" -m %.35Lf t128bit_float.h5)
+
 ##############################################################################
 ###    P L U G I N  T E S T S
 ##############################################################################