[svn-r23510] I merged the changes for DESY project from the trunk (r23496) into this 1.8 DESY branch.

Tested with h5committest (duck failed with CMake because I don't know how to change test/CMakeLists.txt.  I'll wait for Allen to do it).

8 files changed, 1170 insertions, 74 deletions

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2c6d109..fe93a97 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -7,7 +7,14 @@ PROJECT (HDF5_TEST)
 ADD_DEFINITIONS (${HDF5_EXTRA_C_FLAGS})
 
 #-----------------------------------------------------------------------------
-# Define Sources
+# Generate the H5srcdir_str.h file containing user settings needed by compilation
+#-----------------------------------------------------------------------------
+SET (srcdir ${CMAKE_CURRENT_SOURCE_DIR})
+CONFIGURE_FILE (${HDF5_TEST_SOURCE_DIR}/H5srcdir_str.h.in H5srcdir_str.h  @ONLY)
+INCLUDE_DIRECTORIES (${CMAKE_CURRENT_BINARY_DIR})
+
+#-----------------------------------------------------------------------------
+# Define Test Library Sources
 #-----------------------------------------------------------------------------
 SET (TEST_LIB_SRCS
     ${HDF5_TEST_SOURCE_DIR}/h5test.c
@@ -19,13 +26,6 @@ SET (TEST_LIB_HEADERS
     ${HDF5_TEST_SOURCE_DIR}/h5test.h
 )
 
-#-----------------------------------------------------------------------------
-# Generate the H5srcdir_str.h file containing user settings needed by compilation
-#-----------------------------------------------------------------------------
-SET (srcdir ${CMAKE_CURRENT_SOURCE_DIR})
-CONFIGURE_FILE (${HDF5_TEST_SOURCE_DIR}/H5srcdir_str.h.in H5srcdir_str.h  @ONLY)
-INCLUDE_DIRECTORIES (${CMAKE_CURRENT_BINARY_DIR})
-
 ADD_LIBRARY (${HDF5_TEST_LIB_TARGET} ${LIB_TYPE} ${TEST_LIB_SRCS} ${TEST_LIB_HEADERS})
 IF (MSVC)
   TARGET_LINK_LIBRARIES (${HDF5_TEST_LIB_TARGET} "ws2_32.lib")
@@ -37,6 +37,50 @@ TARGET_LINK_LIBRARIES (${HDF5_TEST_LIB_TARGET} ${HDF5_LIB_TARGET})
 H5_SET_LIB_OPTIONS (${HDF5_TEST_LIB_TARGET} ${HDF5_TEST_LIB_NAME} ${LIB_TYPE})
 SET_TARGET_PROPERTIES (${HDF5_TEST_LIB_TARGET} PROPERTIES FOLDER libraries/test)
 
+#-----------------------------------------------------------------------------
+# If plugin library tests can be tested
+#-----------------------------------------------------------------------------
+IF (BUILD_SHARED_LIBS)
+  SET (HDF5_TEST_PLUGIN_LIB_CORENAME         "dynlib1")
+  SET (HDF5_TEST_PLUGIN_LIB_NAME             "${HDF5_EXTERNAL_LIB_PREFIX}${HDF5_TEST_PLUGIN_LIB_CORENAME}")
+  SET (HDF5_TEST_PLUGIN_LIB_TARGET           ${HDF5_TEST_PLUGIN_LIB_CORENAME})
+  ADD_DEFINITIONS (${HDF5_EXTRA_C_FLAGS})
+  INCLUDE_DIRECTORIES (${HDF5_SRC_DIR})
+
+  #-----------------------------------------------------------------------------
+  # Define Sources
+  #-----------------------------------------------------------------------------
+
+  SET (H5_TEST_PLUGIN_LIB_SRCS
+      ${HDF5_TEST_SOURCE_DIR}/dynlib1.c
+  )
+
+  ADD_LIBRARY (${HDF5_TEST_PLUGIN_LIB_TARGET} ${LIB_TYPE} ${H5_TEST_PLUGIN_LIB_SRCS})
+  TARGET_LINK_LIBRARIES (${HDF5_TEST_PLUGIN_LIB_TARGET} ${HDF5_TEST_LIB_TARGET})
+  H5_SET_LIB_OPTIONS (
+      ${HDF5_TEST_PLUGIN_LIB_TARGET} ${HDF5_TEST_PLUGIN_LIB_NAME}
+      ${LIB_TYPE}
+      HDF5_TEST_PLUGIN_LIB_NAME_RELEASE
+      HDF5_TEST_PLUGIN_LIB_NAME_DEBUG
+  )
+  SET_TARGET_PROPERTIES (${HDF5_TEST_PLUGIN_LIB_TARGET} PROPERTIES FOLDER libraries/TEST_PLUGIN)
+
+  #-----------------------------------------------------------------------------
+  # Copy plugin library to a plugins folder
+  #-----------------------------------------------------------------------------
+
+  # make plugins dir
+  FILE (MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/plugins")
+  ADD_CUSTOM_COMMAND (
+      TARGET     ${HDF5_TEST_PLUGIN_LIB_TARGET}
+      POST_BUILD
+      COMMAND    ${CMAKE_COMMAND}
+      ARGS       -E copy_if_different 
+        "$<TARGET_FILE:${HDF5_TEST_PLUGIN_LIB_TARGET}>"
+        "${CMAKE_BINARY_DIR}/plugins/$<TARGET_FILE_NAME:${HDF5_TEST_PLUGIN_LIB_TARGET}>"
+  )
+ENDIF (BUILD_SHARED_LIBS)
+
 # --------------------------------------------------------------------
 # Copy all the HDF5 files from the test directory into the source directory
 # --------------------------------------------------------------------
@@ -446,6 +490,7 @@ ADD_TEST (NAME error_test COMMAND "${CMAKE_COMMAND}"
     -P "${HDF5_RESOURCES_DIR}/runTest.cmake"
 )
 SET_TESTS_PROPERTIES(error_test PROPERTIES DEPENDS h5test-clear-error_test-objects)
+SET_TESTS_PROPERTIES (error_test PROPERTIES ENVIRONMENT "HDF5_PLUGIN_PRELOAD=::")
 
 #-- Adding test for links_env
 ADD_EXECUTABLE (links_env ${HDF5_TEST_SOURCE_DIR}/links_env.c)
@@ -491,6 +536,25 @@ ENDIF (\${TEST_RESULT} STREQUAL \"0\")
 ADD_TEST (NAME testlibinfo COMMAND ${CMAKE_COMMAND} -D "TEST_PROGRAM=$<TARGET_FILE:${HDF5_LIB_TARGET}>" -P "${GREP_RUNNER}")
 
 ##############################################################################
+###    P L U G I N  T E S T S
+##############################################################################
+IF (BUILD_SHARED_LIBS)
+  ADD_EXECUTABLE (plugin ${HDF5_TEST_SOURCE_DIR}/plugin.c)
+  TARGET_NAMING (plugin ${LIB_TYPE})
+  TARGET_LINK_LIBRARIES (plugin ${HDF5_TEST_PLUGIN_LIB_TARGET})
+  SET_TARGET_PROPERTIES (plugin PROPERTIES FOLDER test)
+
+  ADD_TEST (NAME H5PLUGIN-plugin COMMAND $<TARGET_FILE:plugin>)
+  SET_TESTS_PROPERTIES (H5PLUGIN-plugin PROPERTIES ENVIRONMENT "HDF5_PLUGIN_PATH=${CMAKE_BINARY_DIR}/plugins")
+ELSE (BUILD_SHARED_LIBS)
+  MESSAGE (STATUS " **** Plugins libraries must be built as shared libraries **** ")
+  ADD_TEST (
+      NAME H5PLUGIN-SKIPPED
+      COMMAND ${CMAKE_COMMAND} -E echo "SKIP H5PLUGIN TESTING"
+  )
+ENDIF (BUILD_SHARED_LIBS)
+
+##############################################################################
 ##############################################################################
 ###                         V F D   T E S T S                              ###
 ##############################################################################
diff --git a/test/Makefile.am b/test/Makefile.am
index 5a4e390..9f7fc9e 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -25,9 +25,13 @@ INCLUDES=-I$(top_srcdir)/src -I$(top_builddir)/src
 
 # Test script for error_test and err_compat
 TEST_SCRIPT = testerror.sh testlibinfo.sh testcheck_version.sh testlinks_env.sh
-check_SCRIPTS = $(TEST_SCRIPT)
 SCRIPT_DEPEND = error_test$(EXEEXT) err_compat$(EXEEXT) links_env$(EXEEXT)
+if HAVE_SHARED_CONDITIONAL
+  TEST_SCRIPT += test_plugin.sh
+  SCRIPT_DEPEND += plugin$(EXEEXT)
+endif
 
+check_SCRIPTS = $(TEST_SCRIPT)
 
 # These are our main targets. They should be listed in the order to be
 # executed, generally most specific tests to least specific tests.
@@ -51,7 +55,9 @@ TEST_PROG=testhdf5 lheap ohdr stab gheap cache cache_api \
 # Also build testmeta, which is used for timings test.  It builds quickly,
 # and this lets automake keep all its test programs in one place.
 check_PROGRAMS=$(TEST_PROG) error_test err_compat tcheck_version testmeta links_env
-
+if HAVE_SHARED_CONDITIONAL
+  check_PROGRAMS+= plugin
+endif
 
 # These programs generate test files for the tests.  They don't need to be
 # compiled every time we want to test the library.  However, putting
@@ -69,8 +75,24 @@ if BUILD_ALL_CONDITIONAL
   noinst_PROGRAMS=$(BUILD_ALL_PROGS)
 endif
 
-# The libh5test library provides common support code for the tests.
-noinst_LTLIBRARIES=libh5test.la
+if HAVE_SHARED_CONDITIONAL
+  # The libh5test library provides common support code for the tests.
+  noinst_LTLIBRARIES=libh5test.la
+
+  # The libdynlib1 and libdynlib2 library for testing plugin module plugin.c.
+  # Build it as shared library if configure is enabled for shared library.
+  lib_LTLIBRARIES=libdynlib1.la libdynlib2.la
+  libdynlib1_la_SOURCES=dynlib1.c
+  libdynlib2_la_SOURCES=dynlib2.c
+
+install-data-local:
+	$(RM) $(DESTDIR)$(libdir)/*dynlib*
+
+else
+  # The libh5test library provides common support code for the tests.
+  noinst_LTLIBRARIES=libh5test.la
+endif
+
 libh5test_la_SOURCES=h5test.c testframe.c cache_common.c
 
 # Use libhd5test.la to compile all of the tests
@@ -80,10 +102,9 @@ LDADD=libh5test.la $(LIBHDF5)
 ttsafe_SOURCES=ttsafe.c ttsafe_dcreate.c ttsafe_error.c ttsafe_cancel.c       \
                ttsafe_acreate.c
 
+VFD_LIST = sec2 stdio core split multi family
 if DIRECT_VFD_CONDITIONAL
-  VFD_LIST = sec2 stdio core split multi family direct
-else
-  VFD_LIST = sec2 stdio core split multi family
+  VFD_LIST += direct
 endif
 
 # Additional target for running timing test
@@ -120,7 +141,7 @@ CHECK_CLEANFILES+=accum.h5 cmpd_dset.h5 compact_dataset.h5 dataset.h5 dset_offse
     tmisc[0-9]*.h5 set_extent[1-5].h5 ext[12].bin           \
     getname.h5 getname[1-3].h5 sec2_file.h5 direct_file.h5           \
     family_file000[0-3][0-9].h5 new_family_v16_000[0-3][0-9].h5      \
-    multi_file-[rs].h5 core_file \
+    multi_file-[rs].h5 core_file plugin.h5 \
     new_move_[ab].h5 ntypes.h5 dangle.h5 error_test.h5 err_compat.h5 \
     dtransform.h5 test_filters.h5 get_file_name.h5 tstint[1-2].h5    \
     unlink_chunked.h5 btree2.h5 objcopy_src.h5 objcopy_dst.h5        \
@@ -137,6 +158,6 @@ testhdf5_SOURCES=testhdf5.c tarray.c tattr.c tchecksum.c tconfig.c tfile.c \
     tvlstr.c tvltypes.c
 
 # Temporary files.
-DISTCLEANFILES=testerror.sh testlibinfo.sh testcheck_version.sh testlinks_env.sh
+DISTCLEANFILES=testerror.sh testlibinfo.sh testcheck_version.sh testlinks_env.sh test_plugin.sh
 
 include $(top_srcdir)/config/conclude.am
diff --git a/test/Makefile.in b/test/Makefile.in
index 3aafd5f..194a508 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -69,16 +69,20 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 DIST_COMMON = $(srcdir)/H5srcdir_str.h.in $(srcdir)/Makefile.am \
-	$(srcdir)/Makefile.in $(srcdir)/testcheck_version.sh.in \
-	$(srcdir)/testerror.sh.in $(srcdir)/testlibinfo.sh.in \
-	$(srcdir)/testlinks_env.sh.in $(top_srcdir)/bin/depcomp \
-	$(top_srcdir)/bin/mkinstalldirs \
+	$(srcdir)/Makefile.in $(srcdir)/test_plugin.sh.in \
+	$(srcdir)/testcheck_version.sh.in $(srcdir)/testerror.sh.in \
+	$(srcdir)/testlibinfo.sh.in $(srcdir)/testlinks_env.sh.in \
+	$(top_srcdir)/bin/depcomp $(top_srcdir)/bin/mkinstalldirs \
 	$(top_srcdir)/config/commence.am \
 	$(top_srcdir)/config/conclude.am COPYING
+@HAVE_SHARED_CONDITIONAL_TRUE@am__append_1 = test_plugin.sh
+@HAVE_SHARED_CONDITIONAL_TRUE@am__append_2 = plugin$(EXEEXT)
 check_PROGRAMS = $(am__EXEEXT_1) error_test$(EXEEXT) \
 	err_compat$(EXEEXT) tcheck_version$(EXEEXT) testmeta$(EXEEXT) \
-	links_env$(EXEEXT)
-@BUILD_ALL_CONDITIONAL_TRUE@noinst_PROGRAMS = $(am__EXEEXT_2)
+	links_env$(EXEEXT) $(am__EXEEXT_2)
+@HAVE_SHARED_CONDITIONAL_TRUE@am__append_3 = plugin
+@BUILD_ALL_CONDITIONAL_TRUE@noinst_PROGRAMS = $(am__EXEEXT_3)
+@DIRECT_VFD_CONDITIONAL_TRUE@am__append_4 = direct
 TESTS = $(am__EXEEXT_1) $(TEST_SCRIPT)
 subdir = test
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -88,16 +92,58 @@ am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 mkinstalldirs = $(SHELL) $(top_srcdir)/bin/mkinstalldirs
 CONFIG_HEADER = $(top_builddir)/src/H5config.h
 CONFIG_CLEAN_FILES = testcheck_version.sh testerror.sh H5srcdir_str.h \
-	testlibinfo.sh testlinks_env.sh
+	testlibinfo.sh testlinks_env.sh test_plugin.sh
 CONFIG_CLEAN_VPATH_FILES =
-LTLIBRARIES = $(noinst_LTLIBRARIES)
-libh5test_la_LIBADD =
-am_libh5test_la_OBJECTS = h5test.lo testframe.lo cache_common.lo
-libh5test_la_OBJECTS = $(am_libh5test_la_OBJECTS)
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+  srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
+  for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
+am__nobase_list = $(am__nobase_strip_setup); \
+  for p in $$list; do echo "$$p $$p"; done | \
+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+    if (++n[$$2] == $(am__install_max)) \
+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
+    END { for (dir in files) print dir, files[dir] }'
+am__base_list = \
+  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
+  sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
+am__uninstall_files_from_dir = { \
+  test -z "$$files" \
+    || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
+    || { echo " ( cd '$$dir' && rm -f" $$files ")"; \
+         $(am__cd) "$$dir" && rm -f $$files; }; \
+  }
+am__installdirs = "$(DESTDIR)$(libdir)"
+LTLIBRARIES = $(lib_LTLIBRARIES) $(noinst_LTLIBRARIES)
+libdynlib1_la_LIBADD =
+am__libdynlib1_la_SOURCES_DIST = dynlib1.c
+@HAVE_SHARED_CONDITIONAL_TRUE@am_libdynlib1_la_OBJECTS = dynlib1.lo
+libdynlib1_la_OBJECTS = $(am_libdynlib1_la_OBJECTS)
 AM_V_lt = $(am__v_lt_@AM_V@)
 am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
 am__v_lt_0 = --silent
 am__v_lt_1 = 
+@HAVE_SHARED_CONDITIONAL_TRUE@am_libdynlib1_la_rpath = -rpath \
+@HAVE_SHARED_CONDITIONAL_TRUE@	$(libdir)
+libdynlib2_la_LIBADD =
+am__libdynlib2_la_SOURCES_DIST = dynlib2.c
+@HAVE_SHARED_CONDITIONAL_TRUE@am_libdynlib2_la_OBJECTS = dynlib2.lo
+libdynlib2_la_OBJECTS = $(am_libdynlib2_la_OBJECTS)
+@HAVE_SHARED_CONDITIONAL_TRUE@am_libdynlib2_la_rpath = -rpath \
+@HAVE_SHARED_CONDITIONAL_TRUE@	$(libdir)
+libh5test_la_LIBADD =
+am_libh5test_la_OBJECTS = h5test.lo testframe.lo cache_common.lo
+libh5test_la_OBJECTS = $(am_libh5test_la_OBJECTS)
+@HAVE_SHARED_CONDITIONAL_FALSE@am_libh5test_la_rpath =
+@HAVE_SHARED_CONDITIONAL_TRUE@am_libh5test_la_rpath =
 am__EXEEXT_1 = testhdf5$(EXEEXT) lheap$(EXEEXT) ohdr$(EXEEXT) \
 	stab$(EXEEXT) gheap$(EXEEXT) cache$(EXEEXT) cache_api$(EXEEXT) \
 	pool$(EXEEXT) accum$(EXEEXT) hyperslab$(EXEEXT) \
@@ -112,7 +158,8 @@ am__EXEEXT_1 = testhdf5$(EXEEXT) lheap$(EXEEXT) ohdr$(EXEEXT) \
 	dtransform$(EXEEXT) reserved$(EXEEXT) cross_read$(EXEEXT) \
 	freespace$(EXEEXT) mf$(EXEEXT) btree2$(EXEEXT) fheap$(EXEEXT) \
 	file_image$(EXEEXT)
-am__EXEEXT_2 = gen_bad_ohdr$(EXEEXT) gen_bogus$(EXEEXT) \
+@HAVE_SHARED_CONDITIONAL_TRUE@am__EXEEXT_2 = plugin$(EXEEXT)
+am__EXEEXT_3 = gen_bad_ohdr$(EXEEXT) gen_bogus$(EXEEXT) \
 	gen_cross$(EXEEXT) gen_deflate$(EXEEXT) gen_filters$(EXEEXT) \
 	gen_idx$(EXEEXT) gen_new_array$(EXEEXT) gen_new_fill$(EXEEXT) \
 	gen_new_group$(EXEEXT) gen_new_mtime$(EXEEXT) \
@@ -345,6 +392,10 @@ ohdr_SOURCES = ohdr.c
 ohdr_OBJECTS = ohdr.$(OBJEXT)
 ohdr_LDADD = $(LDADD)
 ohdr_DEPENDENCIES = libh5test.la $(LIBHDF5)
+plugin_SOURCES = plugin.c
+plugin_OBJECTS = plugin.$(OBJEXT)
+plugin_LDADD = $(LDADD)
+plugin_DEPENDENCIES = libh5test.la $(LIBHDF5)
 pool_SOURCES = pool.c
 pool_OBJECTS = pool.$(OBJEXT)
 pool_LDADD = $(LDADD)
@@ -433,7 +484,8 @@ AM_V_CCLD = $(am__v_CCLD_@AM_V@)
 am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
 am__v_CCLD_0 = @echo "  CCLD    " $@;
 am__v_CCLD_1 = 
-SOURCES = $(libh5test_la_SOURCES) accum.c app_ref.c big.c bittests.c \
+SOURCES = $(libdynlib1_la_SOURCES) $(libdynlib2_la_SOURCES) \
+	$(libh5test_la_SOURCES) accum.c app_ref.c big.c bittests.c \
 	btree2.c cache.c cache_api.c cmpd_dset.c cross_read.c dangle.c \
 	dsets.c dt_arith.c dtransform.c dtypes.c efc.c enum.c \
 	err_compat.c error_test.c extend.c external.c fheap.c \
@@ -444,21 +496,24 @@ SOURCES = $(libh5test_la_SOURCES) accum.c app_ref.c big.c bittests.c \
 	gen_new_super.c gen_noencoder.c gen_nullspace.c \
 	gen_sizes_lheap.c gen_udlinks.c getname.c gheap.c hyperslab.c \
 	istore.c lheap.c links.c links_env.c mf.c mount.c mtime.c \
-	ntypes.c objcopy.c ohdr.c pool.c reserved.c set_extent.c \
-	space_overflow.c stab.c tcheck_version.c $(testhdf5_SOURCES) \
-	testmeta.c $(ttsafe_SOURCES) unlink.c vfd.c
-DIST_SOURCES = $(libh5test_la_SOURCES) accum.c app_ref.c big.c \
-	bittests.c btree2.c cache.c cache_api.c cmpd_dset.c \
-	cross_read.c dangle.c dsets.c dt_arith.c dtransform.c dtypes.c \
-	efc.c enum.c err_compat.c error_test.c extend.c external.c \
-	fheap.c file_image.c fillval.c filter_fail.c flush1.c flush2.c \
-	freespace.c gen_bad_ohdr.c gen_bogus.c gen_cross.c \
-	gen_deflate.c gen_file_image.c gen_filters.c gen_idx.c \
-	gen_new_array.c gen_new_fill.c gen_new_group.c gen_new_mtime.c \
-	gen_new_super.c gen_noencoder.c gen_nullspace.c \
-	gen_sizes_lheap.c gen_udlinks.c getname.c gheap.c hyperslab.c \
-	istore.c lheap.c links.c links_env.c mf.c mount.c mtime.c \
-	ntypes.c objcopy.c ohdr.c pool.c reserved.c set_extent.c \
+	ntypes.c objcopy.c ohdr.c plugin.c pool.c reserved.c \
+	set_extent.c space_overflow.c stab.c tcheck_version.c \
+	$(testhdf5_SOURCES) testmeta.c $(ttsafe_SOURCES) unlink.c \
+	vfd.c
+DIST_SOURCES = $(am__libdynlib1_la_SOURCES_DIST) \
+	$(am__libdynlib2_la_SOURCES_DIST) $(libh5test_la_SOURCES) \
+	accum.c app_ref.c big.c bittests.c btree2.c cache.c \
+	cache_api.c cmpd_dset.c cross_read.c dangle.c dsets.c \
+	dt_arith.c dtransform.c dtypes.c efc.c enum.c err_compat.c \
+	error_test.c extend.c external.c fheap.c file_image.c \
+	fillval.c filter_fail.c flush1.c flush2.c freespace.c \
+	gen_bad_ohdr.c gen_bogus.c gen_cross.c gen_deflate.c \
+	gen_file_image.c gen_filters.c gen_idx.c gen_new_array.c \
+	gen_new_fill.c gen_new_group.c gen_new_mtime.c gen_new_super.c \
+	gen_noencoder.c gen_nullspace.c gen_sizes_lheap.c \
+	gen_udlinks.c getname.c gheap.c hyperslab.c istore.c lheap.c \
+	links.c links_env.c mf.c mount.c mtime.c ntypes.c objcopy.c \
+	ohdr.c plugin.c pool.c reserved.c set_extent.c \
 	space_overflow.c stab.c tcheck_version.c $(testhdf5_SOURCES) \
 	testmeta.c $(ttsafe_SOURCES) unlink.c vfd.c
 am__can_run_installinfo = \
@@ -774,8 +829,8 @@ CHECK_CLEANFILES = *.chkexe *.chklog *.clog accum.h5 cmpd_dset.h5 \
 	tmisc[0-9]*.h5 set_extent[1-5].h5 ext[12].bin getname.h5 \
 	getname[1-3].h5 sec2_file.h5 direct_file.h5 \
 	family_file000[0-3][0-9].h5 new_family_v16_000[0-3][0-9].h5 \
-	multi_file-[rs].h5 core_file new_move_[ab].h5 ntypes.h5 \
-	dangle.h5 error_test.h5 err_compat.h5 dtransform.h5 \
+	multi_file-[rs].h5 core_file plugin.h5 new_move_[ab].h5 \
+	ntypes.h5 dangle.h5 error_test.h5 err_compat.h5 dtransform.h5 \
 	test_filters.h5 get_file_name.h5 tstint[1-2].h5 \
 	unlink_chunked.h5 btree2.h5 objcopy_src.h5 objcopy_dst.h5 \
 	objcopy_ext.dat trefer1.h5 trefer2.h5 app_ref.h5 \
@@ -786,9 +841,11 @@ CHECK_CLEANFILES = *.chkexe *.chklog *.clog accum.h5 cmpd_dset.h5 \
 INCLUDES = -I$(top_srcdir)/src -I$(top_builddir)/src
 
 # Test script for error_test and err_compat
-TEST_SCRIPT = testerror.sh testlibinfo.sh testcheck_version.sh testlinks_env.sh
+TEST_SCRIPT = testerror.sh testlibinfo.sh testcheck_version.sh \
+	testlinks_env.sh $(am__append_1)
+SCRIPT_DEPEND = error_test$(EXEEXT) err_compat$(EXEEXT) \
+	links_env$(EXEEXT) $(am__append_2)
 check_SCRIPTS = $(TEST_SCRIPT)
-SCRIPT_DEPEND = error_test$(EXEEXT) err_compat$(EXEEXT) links_env$(EXEEXT)
 
 # These are our main targets. They should be listed in the order to be
 # executed, generally most specific tests to least specific tests.
@@ -818,9 +875,11 @@ BUILD_ALL_PROGS = gen_bad_ohdr gen_bogus gen_cross gen_deflate gen_filters gen_i
     gen_noencoder gen_nullspace gen_udlinks space_overflow gen_sizes_lheap \
     gen_file_image
 
-
-# The libh5test library provides common support code for the tests.
-noinst_LTLIBRARIES = libh5test.la
+@HAVE_SHARED_CONDITIONAL_FALSE@noinst_LTLIBRARIES = libh5test.la
+@HAVE_SHARED_CONDITIONAL_TRUE@noinst_LTLIBRARIES = libh5test.la
+@HAVE_SHARED_CONDITIONAL_TRUE@lib_LTLIBRARIES = libdynlib1.la libdynlib2.la
+@HAVE_SHARED_CONDITIONAL_TRUE@libdynlib1_la_SOURCES = dynlib1.c
+@HAVE_SHARED_CONDITIONAL_TRUE@libdynlib2_la_SOURCES = dynlib2.c
 libh5test_la_SOURCES = h5test.c testframe.c cache_common.c
 
 # Use libhd5test.la to compile all of the tests
@@ -830,8 +889,7 @@ LDADD = libh5test.la $(LIBHDF5)
 ttsafe_SOURCES = ttsafe.c ttsafe_dcreate.c ttsafe_error.c ttsafe_cancel.c       \
                ttsafe_acreate.c
 
-@DIRECT_VFD_CONDITIONAL_FALSE@VFD_LIST = sec2 stdio core split multi family
-@DIRECT_VFD_CONDITIONAL_TRUE@VFD_LIST = sec2 stdio core split multi family direct
+VFD_LIST = sec2 stdio core split multi family $(am__append_4)
 
 # Sources for testhdf5 executable
 testhdf5_SOURCES = testhdf5.c tarray.c tattr.c tchecksum.c tconfig.c tfile.c \
@@ -841,7 +899,7 @@ testhdf5_SOURCES = testhdf5.c tarray.c tattr.c tchecksum.c tconfig.c tfile.c \
 
 
 # Temporary files.
-DISTCLEANFILES = testerror.sh testlibinfo.sh testcheck_version.sh testlinks_env.sh
+DISTCLEANFILES = testerror.sh testlibinfo.sh testcheck_version.sh testlinks_env.sh test_plugin.sh
 
 # Automake needs to be taught how to build lib, progs, and tests targets.
 # These will be filled in automatically for the most part (e.g.,
@@ -907,6 +965,42 @@ testlibinfo.sh: $(top_builddir)/config.status $(srcdir)/testlibinfo.sh.in
 	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
 testlinks_env.sh: $(top_builddir)/config.status $(srcdir)/testlinks_env.sh.in
 	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+test_plugin.sh: $(top_builddir)/config.status $(srcdir)/test_plugin.sh.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(libdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(libdir)" || exit 1; \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(libdir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(libdir)"; \
+	}
+
+uninstall-libLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$f"; \
+	done
+
+clean-libLTLIBRARIES:
+	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+	@list='$(lib_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
 
 clean-noinstLTLIBRARIES:
 	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
@@ -918,8 +1012,12 @@ clean-noinstLTLIBRARIES:
 	  echo rm -f $${locs}; \
 	  rm -f $${locs}; \
 	}
+libdynlib1.la: $(libdynlib1_la_OBJECTS) $(libdynlib1_la_DEPENDENCIES) $(EXTRA_libdynlib1_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(LINK) $(am_libdynlib1_la_rpath) $(libdynlib1_la_OBJECTS) $(libdynlib1_la_LIBADD) $(LIBS)
+libdynlib2.la: $(libdynlib2_la_OBJECTS) $(libdynlib2_la_DEPENDENCIES) $(EXTRA_libdynlib2_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(LINK) $(am_libdynlib2_la_rpath) $(libdynlib2_la_OBJECTS) $(libdynlib2_la_LIBADD) $(LIBS)
 libh5test.la: $(libh5test_la_OBJECTS) $(libh5test_la_DEPENDENCIES) $(EXTRA_libh5test_la_DEPENDENCIES) 
-	$(AM_V_CCLD)$(LINK)  $(libh5test_la_OBJECTS) $(libh5test_la_LIBADD) $(LIBS)
+	$(AM_V_CCLD)$(LINK) $(am_libh5test_la_rpath) $(libh5test_la_OBJECTS) $(libh5test_la_LIBADD) $(LIBS)
 
 clean-checkPROGRAMS:
 	@list='$(check_PROGRAMS)'; test -n "$$list" || exit 0; \
@@ -1106,6 +1204,9 @@ objcopy$(EXEEXT): $(objcopy_OBJECTS) $(objcopy_DEPENDENCIES) $(EXTRA_objcopy_DEP
 ohdr$(EXEEXT): $(ohdr_OBJECTS) $(ohdr_DEPENDENCIES) $(EXTRA_ohdr_DEPENDENCIES) 
 	@rm -f ohdr$(EXEEXT)
 	$(AM_V_CCLD)$(LINK) $(ohdr_OBJECTS) $(ohdr_LDADD) $(LIBS)
+plugin$(EXEEXT): $(plugin_OBJECTS) $(plugin_DEPENDENCIES) $(EXTRA_plugin_DEPENDENCIES) 
+	@rm -f plugin$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(plugin_OBJECTS) $(plugin_LDADD) $(LIBS)
 pool$(EXEEXT): $(pool_OBJECTS) $(pool_DEPENDENCIES) $(EXTRA_pool_DEPENDENCIES) 
 	@rm -f pool$(EXEEXT)
 	$(AM_V_CCLD)$(LINK) $(pool_OBJECTS) $(pool_LDADD) $(LIBS)
@@ -1161,6 +1262,8 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dt_arith.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dtransform.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dtypes.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dynlib1.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dynlib2.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/efc.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/enum.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/err_compat.Po@am__quote@
@@ -1204,6 +1307,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ntypes.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/objcopy.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ohdr.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pool.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/reserved.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/set_extent.Po@am__quote@
@@ -1374,6 +1478,9 @@ check-am: all-am
 check: check-am
 all-am: Makefile $(LTLIBRARIES) $(PROGRAMS) all-local
 installdirs:
+	for dir in "$(DESTDIR)$(libdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
 install: install-am
 install-exec: install-exec-am
 install-data: install-data-am
@@ -1405,10 +1512,12 @@ distclean-generic:
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
 	@echo "it deletes files that may require special tools to rebuild."
+@HAVE_SHARED_CONDITIONAL_FALSE@install-data-local:
 clean: clean-am
 
-clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
-	clean-noinstLTLIBRARIES clean-noinstPROGRAMS mostlyclean-am
+clean-am: clean-checkPROGRAMS clean-generic clean-libLTLIBRARIES \
+	clean-libtool clean-noinstLTLIBRARIES clean-noinstPROGRAMS \
+	mostlyclean-am
 
 distclean: distclean-am
 	-rm -rf ./$(DEPDIR)
@@ -1428,13 +1537,13 @@ info: info-am
 
 info-am:
 
-install-data-am:
+install-data-am: install-data-local
 
 install-dvi: install-dvi-am
 
 install-dvi-am:
 
-install-exec-am:
+install-exec-am: install-libLTLIBRARIES
 
 install-html: install-html-am
 
@@ -1474,24 +1583,25 @@ ps: ps-am
 
 ps-am:
 
-uninstall-am:
+uninstall-am: uninstall-libLTLIBRARIES
 
 .MAKE: check-am install-am install-strip
 
 .PHONY: CTAGS GTAGS all all-am all-local check check-TESTS check-am \
-	clean clean-checkPROGRAMS clean-generic clean-libtool \
-	clean-noinstLTLIBRARIES clean-noinstPROGRAMS cscopelist ctags \
-	distclean distclean-compile distclean-generic \
+	clean clean-checkPROGRAMS clean-generic clean-libLTLIBRARIES \
+	clean-libtool clean-noinstLTLIBRARIES clean-noinstPROGRAMS \
+	cscopelist ctags distclean distclean-compile distclean-generic \
 	distclean-libtool distclean-tags distdir dvi dvi-am html \
 	html-am info info-am install install-am install-data \
-	install-data-am install-dvi install-dvi-am install-exec \
-	install-exec-am install-html install-html-am install-info \
-	install-info-am install-man install-pdf install-pdf-am \
-	install-ps install-ps-am install-strip installcheck \
-	installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-compile \
-	mostlyclean-generic mostlyclean-libtool mostlyclean-local pdf \
-	pdf-am ps ps-am tags uninstall uninstall-am
+	install-data-am install-data-local install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-libLTLIBRARIES \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool mostlyclean-local pdf pdf-am ps ps-am tags \
+	uninstall uninstall-am uninstall-libLTLIBRARIES
 
 
 # List all build rules defined by HDF5 Makefiles as "PHONY" targets here.
@@ -1505,6 +1615,16 @@ uninstall-am:
 help:
 	@$(top_srcdir)/bin/makehelp
 
+@HAVE_SHARED_CONDITIONAL_TRUE@  # The libh5test library provides common support code for the tests.
+
+@HAVE_SHARED_CONDITIONAL_TRUE@  # The libdynlib1 and libdynlib2 library for testing plugin module plugin.c.
+@HAVE_SHARED_CONDITIONAL_TRUE@  # Build it as shared library if configure is enabled for shared library.
+
+@HAVE_SHARED_CONDITIONAL_TRUE@install-data-local:
+@HAVE_SHARED_CONDITIONAL_TRUE@	$(RM) $(DESTDIR)$(libdir)/*dynlib*
+
+@HAVE_SHARED_CONDITIONAL_FALSE@  # The libh5test library provides common support code for the tests.
+
 # Additional target for running timing test
 timings _timings: testmeta
 	@for timing in $(TIMINGS) dummy; do                                   \
diff --git a/test/dynlib1.c b/test/dynlib1.c
new file mode 100644
index 0000000..e252623
--- /dev/null
+++ b/test/dynlib1.c
@@ -0,0 +1,98 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *
+ * of the source code distribution tree; Copyright.html can be found at the  *
+ * root level of an installed copy of the electronic HDF5 document set and   *
+ * is linked from the top-level documents page.  It can also be found at     *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+ * access to either file, you may request a copy from help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Programmer:	Raymond Lu
+ *		13 February 2013
+ *
+ * Purpose:	Tests the plugin module (H5PL)
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <hdf5.h>
+
+#define H5Z_FILTER_DYNLIB1      257
+
+static size_t H5Z_filter_dynlib1(unsigned int flags, size_t cd_nelmts,
+                const unsigned int *cd_values, size_t nbytes, size_t *buf_size, void **buf);
+
+/* This message derives from H5Z */
+const H5Z_class2_t H5Z_DYNLIB1[1] = {{
+    H5Z_CLASS_T_VERS,                /* H5Z_class_t version             */
+    H5Z_FILTER_DYNLIB1,		     /* Filter id number		*/
+    1, 1,                            /* Encoding and decoding enabled   */
+    "dynlib1",			     /* Filter name for debugging	*/
+    NULL,                            /* The "can apply" callback        */
+    NULL,                            /* The "set local" callback        */
+    (H5Z_func_t)H5Z_filter_dynlib1,    /* The actual filter function	*/
+}};
+
+const H5PL_type_t   H5PL_get_plugin_type(void) {return H5PL_TYPE_FILTER;}
+const H5Z_class2_t* H5PL_get_plugin_info(void) {return H5Z_DYNLIB1;}
+
+/*-------------------------------------------------------------------------
+ * Function:	H5Z_filter_dynlib1
+ *
+ * Purpose:	A dynlib1 filter method that adds on and subtract from
+ *              the original value with another value.  It will be built 
+ *              as a shared library.  plugin.c test will load and use 
+ *              this filter library.    
+ *
+ * Return:	Success:	Data chunk size
+ *
+ *		Failure:	0
+ *
+ * Programmer:	Robb Matzke
+ *              29 March 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+static size_t
+H5Z_filter_dynlib1(unsigned int flags, size_t cd_nelmts,
+      const unsigned int *cd_values, size_t nbytes,
+      size_t *buf_size, void **buf)
+{
+    int *int_ptr=(int *)*buf;          /* Pointer to the data values */
+    size_t buf_left=*buf_size;  /* Amount of data buffer left to process */
+    int         add_on = 0;
+
+    /* Check for the correct number of parameters */
+    if(cd_nelmts==0)
+        return(0);
+
+    /* Check that permanent parameters are set correctly */
+    if(cd_values[0]<0 || cd_values[0]>9)
+        return(0);
+  
+    add_on = cd_values[0];
+
+    if(flags & H5Z_FLAG_REVERSE) { /*read*/
+        /* Substract the "add on" value to all the data values */
+        while(buf_left>0) {
+            *int_ptr++ -= add_on;
+            buf_left -= sizeof(int);
+        } /* end while */
+    } /* end if */
+    else { /*write*/
+        /* Add the "add on" value to all the data values */
+        while(buf_left>0) {
+            *int_ptr++ += add_on;
+            buf_left -= sizeof(int);
+        } /* end while */
+    } /* end else */
+
+    return nbytes;
+}
diff --git a/test/dynlib2.c b/test/dynlib2.c
new file mode 100644
index 0000000..d82a44d
--- /dev/null
+++ b/test/dynlib2.c
@@ -0,0 +1,95 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *
+ * of the source code distribution tree; Copyright.html can be found at the  *
+ * root level of an installed copy of the electronic HDF5 document set and   *
+ * is linked from the top-level documents page.  It can also be found at     *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+ * access to either file, you may request a copy from help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Programmer:	Raymond Lu
+ *		13 February 2013
+ *
+ * Purpose:	Tests the plugin module (H5PL)
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <hdf5.h>
+
+#define H5Z_FILTER_DYNLIB2      258
+
+static size_t H5Z_filter_dynlib2(unsigned int flags, size_t cd_nelmts,
+                const unsigned int *cd_values, size_t nbytes, size_t *buf_size, void **buf);
+
+/* This message derives from H5Z */
+const H5Z_class2_t H5Z_DYNLIB2[1] = {{
+    H5Z_CLASS_T_VERS,                /* H5Z_class_t version             */
+    H5Z_FILTER_DYNLIB2,		     /* Filter id number		*/
+    1, 1,                            /* Encoding and decoding enabled   */
+    "dynlib2",			     /* Filter name for debugging	*/
+    NULL,                            /* The "can apply" callback        */
+    NULL,                            /* The "set local" callback        */
+    (H5Z_func_t)H5Z_filter_dynlib2,    /* The actual filter function	*/
+}};
+
+const H5PL_type_t   H5PL_get_plugin_type(void) {return H5PL_TYPE_FILTER;}
+const H5Z_class2_t* H5PL_get_plugin_info(void) {return H5Z_DYNLIB2;}
+
+/*-------------------------------------------------------------------------
+ * Function:	H5Z_filter_dynlib2
+ *
+ * Purpose:	A dynlib2 filter method that assigns the power of 2 of the
+ *              original value during write and calculates the square root
+ *              of the original value during read. It will be built as a 
+ *              shared library.  plugin.c test will load and use this filter 
+ *              library.    
+ *
+ * Return:	Success:	Data chunk size
+ *
+ *		Failure:	0
+ *
+ * Programmer:	Raymond Lu
+ *              29 March 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+static size_t
+H5Z_filter_dynlib2(unsigned int flags, size_t cd_nelmts,
+      const unsigned int *cd_values, size_t nbytes,
+      size_t *buf_size, void **buf)
+{
+    int *int_ptr=(int *)*buf;          /* Pointer to the data values */
+    size_t buf_left=*buf_size;  /* Amount of data buffer left to process */
+
+    /* Check for the correct number of parameters */
+    if(cd_nelmts>0)
+        return(0);
+
+    if(flags & H5Z_FLAG_REVERSE) { /*read*/
+        /* Calculate and assign the square root for all the data values */
+        while(buf_left>0) {
+            *int_ptr = (int)sqrt((double)*int_ptr);
+            *int_ptr++;
+            buf_left -= sizeof(int);
+        } /* end while */
+    } /* end if */
+    else { /*write*/
+        /* Calculate and assign the power of 2 to all the data values */
+        while(buf_left>0) {
+            *int_ptr = (int)pow((double)*int_ptr, 2);
+            *int_ptr++;
+            buf_left -= sizeof(int);
+        } /* end while */
+    } /* end else */
+
+    return nbytes;
+}
diff --git a/test/plugin.c b/test/plugin.c
new file mode 100644
index 0000000..4fc8115
--- /dev/null
+++ b/test/plugin.c
@@ -0,0 +1,636 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *
+ * of the source code distribution tree; Copyright.html can be found at the  *
+ * root level of an installed copy of the electronic HDF5 document set and   *
+ * is linked from the top-level documents page.  It can also be found at     *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+ * access to either file, you may request a copy from help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Programmer:	Raymond Lu
+ *		13 February 2013
+ *
+ * Purpose:	Tests the plugin module (H5PL)
+ */
+#include <stdlib.h>
+#include <time.h>
+
+#include "h5test.h"
+#include "H5srcdir.h"
+
+/*
+ * This file needs to access private datatypes from the H5Z package.
+ */
+#define H5Z_PACKAGE
+#include "H5Zpkg.h"
+
+/* Filters for HDF5 internal test */
+#define H5Z_FILTER_DYNLIB1      257
+#define H5Z_FILTER_DYNLIB2      258 
+
+/* Bzip2 filter */
+#define H5Z_FILTER_BZIP2        307
+
+const char *FILENAME[] = {
+    "plugin",
+    NULL
+};
+#define FILENAME_BUF_SIZE       1024
+
+/* Dataset names for testing filters */
+#define DSET_DEFLATE_NAME	"deflate"
+#define DSET_BZIP2_NAME	        "bzip2"
+#define DSET_DYNLIB1_NAME	"dynlib1"
+#define DSET_DYNLIB2_NAME       "dynlib2"
+
+/* Parameters for internal filter test */
+#define FILTER_CHUNK_DIM1       2
+#define FILTER_CHUNK_DIM2       25
+#define FILTER_HS_OFFSET1       7
+#define FILTER_HS_OFFSET2       30
+#define FILTER_HS_SIZE1         4
+#define FILTER_HS_SIZE2         50
+
+/* Shared global arrays */
+#define DSET_DIM1       100
+#define DSET_DIM2       200
+
+/* Limit random number within 20000 */
+#define RANDOM_LIMIT    20000
+
+int	points_deflate[DSET_DIM1][DSET_DIM2], 
+        points_dynlib1[DSET_DIM1][DSET_DIM2],
+        points_dynlib2[DSET_DIM1][DSET_DIM2],
+        points_bzip2[DSET_DIM1][DSET_DIM2];
+
+
+/*-------------------------------------------------------------------------
+ * Function:	test_filter_internal
+ *
+ * Purpose:	Tests writing entire data and partial data with filters  
+ *
+ * Return:	Success:	0
+ *		Failure:	-1
+ *
+ * Programmer:	Raymond Lu
+ *              27 February 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+test_filter_internal(hid_t fid, const char *name, hid_t dcpl)
+{
+    hid_t		dataset;        /* Dataset ID */
+    hid_t		dxpl;           /* Dataset xfer property list ID */
+    hid_t		write_dxpl;     /* Dataset xfer property list ID for writing */
+    hid_t		sid;            /* Dataspace ID */
+    const hsize_t	size[2] = {DSET_DIM1, DSET_DIM2};           /* Dataspace dimensions */
+    const hsize_t	hs_offset[2] = {FILTER_HS_OFFSET1, FILTER_HS_OFFSET2}; /* Hyperslab offset */
+    const hsize_t	hs_size[2] = {FILTER_HS_SIZE1, FILTER_HS_SIZE2};   /* Hyperslab size */
+    void		*tconv_buf = NULL;      /* Temporary conversion buffer */
+    int	                points[DSET_DIM1][DSET_DIM2], check[DSET_DIM1][DSET_DIM2];
+    size_t		i, j;        /* Local index variables */
+    int                 n = 0;
+
+    /* Create the data space */
+    if((sid = H5Screate_simple(2, size, NULL)) < 0) goto error;
+
+    /*
+     * Create a small conversion buffer to test strip mining. We
+     * might as well test all we can!
+     */
+    if((dxpl = H5Pcreate(H5P_DATASET_XFER)) < 0) goto error;
+    tconv_buf = HDmalloc((size_t)1000);
+    if(H5Pset_buffer(dxpl, (size_t)1000, tconv_buf, NULL) < 0) goto error;
+    if((write_dxpl = H5Pcopy(dxpl)) < 0) TEST_ERROR;
+
+    TESTING("    filters (setup)");
+
+    /* Check if all the filters are available */
+    if(H5Pall_filters_avail(dcpl)!=TRUE) {
+        H5_FAILED();
+        printf("    Line %d: Incorrect filter availability\n",__LINE__);
+        goto error;
+    } /* end if */
+
+    /* Create the dataset */
+    if((dataset = H5Dcreate2(fid, name, H5T_NATIVE_INT, sid, H5P_DEFAULT,
+			     dcpl, H5P_DEFAULT)) < 0) goto error;
+
+    PASSED();
+
+    /*----------------------------------------------------------------------
+     * STEP 1: Read uninitialized data.  It should be zero.
+     *----------------------------------------------------------------------
+     */
+    TESTING("    filters (uninitialized read)");
+
+    if(H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, dxpl, check) < 0)
+	TEST_ERROR;
+
+    for(i=0; i<(size_t)size[0]; i++) {
+	for(j=0; j<(size_t)size[1]; j++) {
+	    if(0!=check[i][j]) {
+		H5_FAILED();
+		printf("    Read a non-zero value.\n");
+		printf("    At index %lu,%lu\n",
+		       (unsigned long)i, (unsigned long)j);
+		goto error;
+	    }
+	}
+    }
+    PASSED();
+
+    /*----------------------------------------------------------------------
+     * STEP 2: Test filters by setting up a chunked dataset and writing
+     * to it.
+     *----------------------------------------------------------------------
+     */
+    TESTING("    filters (write)");
+
+    for(i=n=0; i<size[0]; i++) {
+	for(j=0; j<size[1]; j++) {
+	    points[i][j] = (int)(n++);
+	}
+    }
+
+    if(H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, write_dxpl, points) < 0)
+	TEST_ERROR;
+
+    PASSED();
+
+    /*----------------------------------------------------------------------
+     * STEP 3: Try to read the data we just wrote.
+     *----------------------------------------------------------------------
+     */
+    TESTING("    filters (read)");
+
+    /* Read the dataset back */
+        if(H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, dxpl, check) < 0)
+	   TEST_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(points[i][j] != check[i][j]) {
+		  H5_FAILED();
+		  fprintf(stderr,"    Read different values than written.\n");
+		  fprintf(stderr,"    At index %lu,%lu\n", (unsigned long)i, (unsigned long)j);
+		  fprintf(stderr,"    At original: %d\n", (int)points[i][j]);
+		  fprintf(stderr,"    At returned: %d\n", (int)check[i][j]);
+		  goto error;
+	       }
+	   }
+        }
+
+    PASSED();
+
+    /*----------------------------------------------------------------------
+     * STEP 4: Write new data over the top of the old data.  The new data is
+     * random thus not very compressible, and will cause the chunks to move
+     * around as they grow.  We only change values for the left half of the
+     * dataset although we rewrite the whole thing.
+     *----------------------------------------------------------------------
+     */
+    TESTING("    filters (modify)");
+
+    for(i=0; i<size[0]; i++) {
+	for(j=0; j<size[1]/2; j++) {
+	    points[i][j] = (int)HDrandom () % RANDOM_LIMIT;
+	}
+    }
+    if(H5Dwrite (dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, write_dxpl, points) < 0)
+	TEST_ERROR;
+
+        /* Read the dataset back and check it */
+        if(H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, dxpl, check) < 0)
+	   TEST_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(points[i][j] != check[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;
+	       }
+	   }
+        }
+
+    PASSED();
+
+    /*----------------------------------------------------------------------
+     * STEP 5: Close the dataset and then open it and read it again.  This
+     * insures that the filters message is picked up properly from the
+     * object header.
+     *----------------------------------------------------------------------
+     */
+    TESTING("    filters (re-open)");
+
+    if(H5Dclose(dataset) < 0) TEST_ERROR;
+    if((dataset = H5Dopen2(fid, name, H5P_DEFAULT)) < 0) TEST_ERROR;
+
+        if(H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, dxpl, check) < 0)
+            TEST_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(points[i][j] != check[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;
+	       } /* end if */
+
+    PASSED();
+
+    /*----------------------------------------------------------------------
+     * STEP 6: Test partial I/O by writing to and then reading from a
+     * hyperslab of the dataset.  The hyperslab does not line up on chunk
+     * boundaries (we know that case already works from above tests).
+     *----------------------------------------------------------------------
+     */
+    TESTING("    filters (partial I/O)");
+
+    for(i=0; i<(size_t)hs_size[0]; i++) {
+	for(j=0; j<(size_t)hs_size[1]; j++) {
+	    points[(size_t)hs_offset[0]+i][(size_t)hs_offset[1]+j] = (int)HDrandom() % RANDOM_LIMIT;
+	}
+    }
+    if(H5Sselect_hyperslab(sid, H5S_SELECT_SET, hs_offset, NULL, hs_size,
+			    NULL) < 0) TEST_ERROR;
+    /* (Use the "read" DXPL because partial I/O on corrupted data test needs to ignore errors during writing) */
+    if(H5Dwrite (dataset, H5T_NATIVE_INT, sid, sid, dxpl, points) < 0)
+	TEST_ERROR;
+
+        if(H5Dread (dataset, H5T_NATIVE_INT, sid, sid, dxpl, check) < 0)
+	   TEST_ERROR;
+
+        /* Check that the values read are the same as the values written */
+        for(i=0; i<(size_t)hs_size[0]; i++) {
+	   for(j=0; j<(size_t)hs_size[1]; j++) {
+	       if(points[(size_t)hs_offset[0]+i][(size_t)hs_offset[1]+j] !=
+                      check[(size_t)hs_offset[0]+i][(size_t)hs_offset[1]+j]) {
+		  H5_FAILED();
+		  fprintf(stderr,"    Read different values than written.\n");
+		  fprintf(stderr,"    At index %lu,%lu\n",
+		         (unsigned long)((size_t)hs_offset[0]+i),
+		         (unsigned long)((size_t)hs_offset[1]+j));
+		  fprintf(stderr,"    At original: %d\n",
+		         (int)points[(size_t)hs_offset[0]+i][(size_t)hs_offset[1]+j]);
+		  fprintf(stderr,"    At returned: %d\n",
+		         (int)check[(size_t)hs_offset[0]+i][(size_t)hs_offset[1]+j]);
+		  goto error;
+	       }
+	   }
+        }
+
+    PASSED();
+
+    /* Save the data written to the file for later comparison when the file 
+     * is reopened for read test */
+    for(i=0; i<size[0]; i++) {
+        for(j=0; j<size[1]; j++) {
+            if(!HDstrcmp(name, DSET_DEFLATE_NAME)) {
+	        points_deflate[i][j] = points[i][j];
+            } else if(!HDstrcmp(name, DSET_DYNLIB1_NAME)) {
+	        points_dynlib1[i][j] = points[i][j];
+            } else if(!HDstrcmp(name, DSET_DYNLIB2_NAME)) {
+	        points_dynlib2[i][j] = points[i][j];
+            } else if(!HDstrcmp(name, DSET_BZIP2_NAME)) {
+	        points_bzip2[i][j] = points[i][j];
+            }
+	}
+    }
+
+    /* Clean up objects used for this test */
+    if(H5Dclose (dataset) < 0) goto error;
+    if(H5Sclose (sid) < 0) goto error;
+    if(H5Pclose (dxpl) < 0) goto error;
+    free (tconv_buf);
+
+    return(0);
+
+error:
+    if(tconv_buf)
+        free (tconv_buf);
+    return -1;
+}
+
+/*-------------------------------------------------------------------------
+ * Function:	test_filters
+ *
+ * Purpose:	Tests creating datasets and writing data with dynamically
+ *              loaded filters
+ *
+ * Return:	Success:	0
+ *		Failure:	-1
+ *
+ * Programmer:	Raymond Lu
+ *              14 March 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+test_filters(hid_t file, hid_t fapl)
+{
+    hid_t	dc;                 /* Dataset creation property list ID */
+    const hsize_t chunk_size[2] = {FILTER_CHUNK_DIM1, FILTER_CHUNK_DIM2};  /* Chunk dimensions */
+    unsigned int         compress_level = 9;
+
+    /*----------------------------------------------------------
+     * STEP 1: Test deflation by itself.
+     *----------------------------------------------------------
+     */
+#ifdef H5_HAVE_FILTER_DEFLATE
+    puts("Testing deflate filter");
+    if((dc = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
+    if(H5Pset_chunk (dc, 2, chunk_size) < 0) goto error;
+    if(H5Pset_deflate (dc, 6) < 0) goto error;
+
+    if(test_filter_internal(file,DSET_DEFLATE_NAME,dc) < 0) goto error;
+    /* Clean up objects used for this test */
+    if(H5Pclose (dc) < 0) goto error;
+#else /* H5_HAVE_FILTER_DEFLATE */
+    TESTING("deflate filter");
+    SKIPPED();
+    puts("    Deflate filter not enabled");
+#endif /* H5_HAVE_FILTER_DEFLATE */
+
+    /*----------------------------------------------------------
+     * STEP 2: Test DYNLIB1 by itself.
+     *----------------------------------------------------------
+     */
+    puts("Testing DYNLIB1 filter");
+    if((dc = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
+    if(H5Pset_chunk (dc, 2, chunk_size) < 0) goto error;
+    if(H5Pset_filter (dc, H5Z_FILTER_DYNLIB1, H5Z_FLAG_MANDATORY, (size_t)1, &compress_level) < 0) goto error;
+
+    if(test_filter_internal(file,DSET_DYNLIB1_NAME,dc) < 0) goto error;
+
+    /* Clean up objects used for this test */
+    if(H5Pclose (dc) < 0) goto error;
+
+    /* Unregister the dynamic filter DYNLIB1 for testing purpose. The next time when this test is run for 
+     * the new file format, the library's H5PL code has to search in the table of loaded plugin libraries
+     * for this filter. */
+    if(H5Zunregister(H5Z_FILTER_DYNLIB1) < 0) goto error;
+
+    /*----------------------------------------------------------
+     * STEP 3: Test DYNLIB2 by itself.
+     *----------------------------------------------------------
+     */
+    puts("Testing DYNLIB2 filter");
+    if((dc = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
+    if(H5Pset_chunk (dc, 2, chunk_size) < 0) goto error;
+    if(H5Pset_filter (dc, H5Z_FILTER_DYNLIB2, H5Z_FLAG_MANDATORY, 0, NULL) < 0) goto error;
+
+    if(test_filter_internal(file,DSET_DYNLIB2_NAME,dc) < 0) goto error;
+
+    /* Clean up objects used for this test */
+    if(H5Pclose (dc) < 0) goto error;
+
+    /* Unregister the dynamic filter DYNLIB2 for testing purpose. The next time when this test is run for 
+     * the new file format, the library's H5PL code has to search in the table of loaded plugin libraries
+     * for this filter. */
+    if(H5Zunregister(H5Z_FILTER_DYNLIB2) < 0) goto error;
+
+    return 0;
+
+error:
+    return -1;
+}
+
+/*-------------------------------------------------------------------------
+ * Function:	test_read_data
+ *
+ * Purpose:	Tests reading data and compares values
+ *
+ * Return:	Success:	0
+ *		Failure:	-1
+ *
+ * Programmer:	Raymond Lu
+ *              14 March 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+test_read_data(hid_t dataset, int *origin_data)
+{
+    int	                check[DSET_DIM1][DSET_DIM2];
+    const hsize_t	size[2] = {DSET_DIM1, DSET_DIM2};           /* Dataspace dimensions */
+    int                 *data_p = origin_data;
+    size_t		i, j;        /* Local index variables */
+
+    /* Read the dataset back */
+    if(H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, check) < 0)
+        TEST_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(*data_p != check[i][j]) {
+	       H5_FAILED();
+	       fprintf(stderr,"    Read different values than written.\n");
+	       fprintf(stderr,"    At index %lu,%lu\n", (unsigned long)i, (unsigned long)j);
+	       fprintf(stderr,"    At original: %d\n", *data_p);
+	       fprintf(stderr,"    At returned: %d\n", (int)check[i][j]);
+	       goto error;
+	   }
+           data_p++;
+	}
+    }
+
+    PASSED();
+    return 0;
+
+error:
+    return -1;
+}
+
+/*-------------------------------------------------------------------------
+ * Function:	test_read_with_filters
+ *
+ * Purpose:	Tests reading dataset created with dynamically loaded filters
+ *
+ * Return:	Success:	0
+ *		Failure:	-1
+ *
+ * Programmer:	Raymond Lu
+ *              14 March 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+test_read_with_filters(hid_t file, hid_t fapl)
+{
+    hid_t	dset;                 /* Dataset ID */
+
+    /*----------------------------------------------------------
+     * STEP 1: Test deflation by itself.
+     *----------------------------------------------------------
+     */
+#ifdef H5_HAVE_FILTER_DEFLATE
+    TESTING("Testing deflate filter");
+
+    if(H5Zfilter_avail(H5Z_FILTER_DEFLATE) != TRUE) TEST_ERROR
+
+    if((dset = H5Dopen2(file,DSET_DEFLATE_NAME,H5P_DEFAULT)) < 0) TEST_ERROR
+
+    if(test_read_data(dset, points_deflate) < 0) TEST_ERROR
+
+    if(H5Dclose(dset) < 0) TEST_ERROR
+
+    /* Clean up objects used for this test */
+#else /* H5_HAVE_FILTER_DEFLATE */
+    TESTING("deflate filter");
+    SKIPPED();
+    puts("    Deflate filter not enabled");
+#endif /* H5_HAVE_FILTER_DEFLATE */
+
+    /*----------------------------------------------------------
+     * STEP 2: Test DYNLIB1 by itself.
+     *----------------------------------------------------------
+     */
+    TESTING("Testing DYNLIB1 filter");
+
+    if((dset = H5Dopen2(file,DSET_DYNLIB1_NAME,H5P_DEFAULT)) < 0) TEST_ERROR
+
+    if(test_read_data(dset, points_dynlib1) < 0) TEST_ERROR
+
+    if(H5Dclose(dset) < 0) TEST_ERROR
+
+    /*----------------------------------------------------------
+     * STEP 3: Test Bogus2 by itself.
+     *----------------------------------------------------------
+     */
+    TESTING("Testing DYNLIB2 filter");
+
+    if((dset = H5Dopen2(file,DSET_DYNLIB2_NAME,H5P_DEFAULT)) < 0) TEST_ERROR
+
+    if(test_read_data(dset, points_dynlib2) < 0) TEST_ERROR
+
+    if(H5Dclose(dset) < 0) TEST_ERROR
+
+    return 0;
+
+error:
+    return -1;
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:	main
+ *
+ * Purpose:	Tests the plugin module (H5PL)
+ *
+ * Return:	Success:	exit(0)
+ *
+ *		Failure:	exit(1)
+ *
+ * Programmer:	Raymond Lu
+ *		14 March 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+main(void)
+{
+    char		filename[FILENAME_BUF_SIZE];
+    hid_t		file, fapl, fapl2;
+    hbool_t new_format;
+    int mdc_nelmts;
+    size_t rdcc_nelmts;
+    size_t rdcc_nbytes;
+    double rdcc_w0;
+    int	nerrors = 0;
+
+    /* Testing setup */
+    h5_reset();
+    fapl = h5_fileaccess();
+
+    /* Turn off the chunk cache, so all the chunks are immediately written to disk */
+    if(H5Pget_cache(fapl, &mdc_nelmts, &rdcc_nelmts, &rdcc_nbytes, &rdcc_w0) < 0)
+        TEST_ERROR 
+    rdcc_nbytes = 0;
+    if(H5Pset_cache(fapl, mdc_nelmts, rdcc_nelmts, rdcc_nbytes, rdcc_w0) < 0)
+        TEST_ERROR 
+
+    /* Copy the file access property list */
+    if((fapl2 = H5Pcopy(fapl)) < 0) TEST_ERROR
+
+    /* Set the "use the latest version of the format" bounds for creating objects in the file */
+    if(H5Pset_libver_bounds(fapl2, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) TEST_ERROR
+
+    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
+
+    /* Test with old & new format groups */
+    for(new_format = FALSE; new_format <= TRUE; new_format++) {
+        hid_t my_fapl;
+
+        /* Set the FAPL for the type of format */
+        if(new_format) {
+            puts("\nTesting with new file format:");
+            my_fapl = fapl2;
+        } /* end if */
+        else {
+            puts("Testing with old file format:");
+            my_fapl = fapl;
+        } /* end else */
+
+        /* Create the file for this test */
+        if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, my_fapl)) < 0)
+            TEST_ERROR 
+
+        /* Test dynamically loaded filters */
+        nerrors += (test_filters(file, my_fapl) < 0		? 1 : 0);
+
+        if(H5Fclose(file) < 0)
+            TEST_ERROR 
+    } /* end for */
+
+    /* Close FAPL */
+    if(H5Pclose(fapl2) < 0) TEST_ERROR
+    if(H5Pclose(fapl) < 0) TEST_ERROR
+   
+    puts("\nTesting reading data with with dynamic plugin filters:");
+
+    /* Close the library so that all loaded plugin libraries are unloaded */
+    h5_reset();
+    fapl = h5_fileaccess();
+
+    /* Reopen the file for testing data reading */
+    if((file = H5Fopen(filename, H5F_ACC_RDONLY, fapl)) < 0)
+        TEST_ERROR 
+
+    /* Read the data with filters */
+    nerrors += (test_read_with_filters(file, fapl) < 0		? 1 : 0);
+
+    if(H5Fclose(file) < 0)
+        TEST_ERROR 
+
+    if(nerrors)
+        TEST_ERROR 
+    printf("All plugin tests passed.\n");
+    h5_cleanup(FILENAME, fapl);
+
+    return 0;
+
+error:
+    nerrors = MAX(1, nerrors);
+    printf("***** %d PLUGIN TEST%s FAILED! *****\n",
+            nerrors, 1 == nerrors ? "" : "S");
+    return 1;
+}
+
diff --git a/test/test_plugin.sh.in b/test/test_plugin.sh.in
new file mode 100644
index 0000000..1d06956
--- /dev/null
+++ b/test/test_plugin.sh.in
@@ -0,0 +1,57 @@
+#! /bin/sh
+#
+# Copyright by The HDF Group.
+# Copyright by the Board of Trustees of the University of Illinois.
+# All rights reserved.
+#
+# This file is part of HDF5.  The full HDF5 copyright notice, including
+# terms governing use, modification, and redistribution, is contained in
+# the files COPYING and Copyright.html.  COPYING can be found at the root
+# of the source code distribution tree; Copyright.html can be found at the
+# root level of an installed copy of the electronic HDF5 document set and
+# is linked from the top-level documents page.  It can also be found at
+# http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have
+# access to either file, you may request a copy from help@hdfgroup.org.
+#
+# This script file first envokes the Makefile in plugin_lib to build dynamic
+# plugin libraries.  Then it moves the libraries to some locations and points
+# HDF5_PLUGIN_PATH to these locations.  In the end, it runs plugin.c test.
+# 
+
+srcdir=@srcdir@
+TOP_BUILDDIR=@top_builddir@
+
+# Determine backward compatibility options enabled
+DEPRECATED_SYMBOLS="@DEPRECATED_SYMBOLS@"
+
+nerrors=0
+verbose=yes
+
+TEST_NAME=plugin
+TEST_BIN=`pwd`/$TEST_NAME
+CP="cp .libs/libdynlib2.so.* /tmp"
+ENVCMD="env HDF5_PLUGIN_PATH=/tmp:`pwd`/.libs"
+
+# Print a line-line message left justified in a field of 70 characters
+# beginning with the word "Testing".
+#
+TESTING() {
+    SPACES="                                                               "
+    echo "Testing $* $SPACES" | cut -c1-70 | tr -d '\012'
+}
+
+# Main Body
+# Run the test
+$CP; $ENVCMD $TEST_BIN
+if [ $? != 0 ]; then
+    nerrors=`expr $nerrors + 1`
+fi
+
+# print results
+if test $nerrors -ne 0 ; then
+    echo "$nerrors errors encountered"
+    exit 1
+else
+    echo "All Plugin API tests passed."
+    exit 0
+fi
diff --git a/test/testerror.sh.in b/test/testerror.sh.in
index b68fa7e..eb01fb1 100644
--- a/test/testerror.sh.in
+++ b/test/testerror.sh.in
@@ -23,6 +23,9 @@ DEPRECATED_SYMBOLS="@DEPRECATED_SYMBOLS@"
 CMP='cmp -s'
 DIFF='diff -c'
 
+# Skip plugin module to test missing filter
+ENVCMD="env HDF5_PLUGIN_PRELOAD=::"
+
 nerrors=0
 verbose=yes
 
@@ -61,7 +64,9 @@ TEST() {
       echo "#############################"
       echo "Expected output for $TEST_ERR" 
       echo "#############################"
-      $RUNSERIAL $TEST_ERR_BIN 
+
+      # Skip the plugin for testing missing filter.
+      $ENVCMD $RUNSERIAL $TEST_ERR_BIN 
    ) >$actual 2>$actual_err
    # Extract file name, line number, version and thread IDs because they may be different
    sed -e 's/thread [0-9]*/thread (IDs)/' -e 's/: .*\.c /: (file name) /' \
@@ -109,7 +114,7 @@ else
 TEST err_compat
 fi
 
-# test for error_test
+# test for error_test.  Skip the plugin for testing missing filter.
 TEST error_test
 
 if test $nerrors -eq 0 ; then