From 547a259c6c3db0e709e20b7b491524e72e9ca2dd Mon Sep 17 00:00:00 2001
From: Dennis Heimbigner <dennis.heimbigner@ieee.org>
Date: Mon, 23 Dec 2024 12:53:12 -0700
Subject: [PATCH] final1

---
 .github/workflows/main-cmake.yml              |   2 +-
 .github/workflows/run_tests_osx.yml           |   2 +-
 .github/workflows/run_tests_ubuntu.yml        |   2 +-
 .github/workflows/run_tests_win_cygwin.yml    |   2 +-
 .github/workflows/run_tests_win_mingw.yml     |   2 +-
 Makefile.am                                   |   2 +-
 configure.ac                                  |  14 +-
 ncdap_test/Makefile.am                        |   2 +-
 nczarr_test/Makefile.am                       |   8 +-
 nczarr_test/run_cachetest.sh                  |   2 +-
 nczarr_test/run_chunkcases.sh                 |   2 +-
 nczarr_test/run_corrupt.sh                    |   2 +-
 nczarr_test/run_external.sh                   |   2 +-
 nczarr_test/run_fillonlyz.sh                  |   2 +-
 nczarr_test/run_filter.sh                     |   2 +-
 nczarr_test/run_filter_misc.sh                |   2 +-
 nczarr_test/run_filter_vlen.sh                |   2 +-
 nczarr_test/run_filterinstall.sh              |   2 +-
 nczarr_test/run_interop.sh                    |   2 +-
 nczarr_test/run_it_chunks1.sh                 |   2 +-
 nczarr_test/run_jsonconvention.sh             |   2 +-
 nczarr_test/run_misc.sh                       |   2 +-
 nczarr_test/run_mud.sh                        |   2 +-
 nczarr_test/run_nan.sh                        |   3 +-
 nczarr_test/run_nccopy5.sh                    |   2 +-
 nczarr_test/run_ncgen4.sh                     |   2 +-
 nczarr_test/run_nczarr_fill.sh                |   2 +-
 nczarr_test/run_nczfilter.sh                  |   2 +-
 nczarr_test/run_newformat.sh                  |   2 +-
 nczarr_test/run_notzarr.sh                    |   2 +-
 nczarr_test/run_nulls.sh                      |   2 +-
 nczarr_test/run_perf_chunks1.sh               |   2 +-
 nczarr_test/run_purezarr.sh                   |   2 +-
 nczarr_test/run_quantize.sh                   |   2 +-
 nczarr_test/run_scalar.sh                     |   2 +-
 nczarr_test/run_specific_filters.sh           |   2 +-
 nczarr_test/run_strings.sh                    |   2 +-
 nczarr_test/run_unknown.sh                    |   2 +-
 nczarr_test/run_unlim_io.sh                   |   2 +-
 nczarr_test/run_ut_map.sh                     |   2 +-
 nczarr_test/run_ut_mapapi.sh                  |   2 +-
 nczarr_test/run_ut_misc.sh                    |   2 +-
 v3.tgz                                        | Bin 9627 -> 0 bytes
 v3_build.sh                                   |  21 --
 v3_nczarr_test/Makefile.am                    |  40 +++-
 v3_nczarr_test/run_mud.sh                     |   2 +-
 v3_nczarr_test/run_nan.sh                     |   2 +-
 v3_nczarr_test/v3manifest.am                  |  14 ++
 v3_nczarr_test/v3only/ref_any.cdl             |  57 ++++++
 v3_nczarr_test/v3only/ref_bzip2.cdl           |  84 ++++++++
 v3_nczarr_test/v3only/ref_filtered.cdl        |  89 +++++++++
 v3_nczarr_test/v3only/ref_groups_regular.cdl  |  47 +++++
 v3_nczarr_test/v3only/ref_jsonconvention.cdl  |  21 ++
 v3_nczarr_test/v3only/ref_jsonconvention.zmap |   3 +
 v3_nczarr_test/v3only/ref_misc2.cdl           |  13 ++
 v3_nczarr_test/v3only/ref_multi.cdl           |  17 ++
 v3_nczarr_test/v3only/ref_nczarr2zarr.cdl     |  19 ++
 v3_nczarr_test/v3only/ref_nulls_zarr.baseline |  13 ++
 v3_nczarr_test/v3only/ref_purezarr.cdl        |  13 ++
 .../v3only/ref_string_nczarr.baseline         |  24 +++
 .../v3only/ref_string_zarr.baseline           |  24 +++
 v3_nczarr_test/v3only/ref_tst_mud4-bc.cdl     | 189 ++++++++++++++++++
 v3_nczarr_test/v3only/ref_tst_mud4.cdl        | 127 ++++++++++++
 v3_nczarr_test/v3only/ref_tst_mud4_chars.cdl  | 127 ++++++++++++
 v3_nczarr_test/v3only/ref_tst_nans.cdl        |  16 ++
 v3_nczarr_test/v3only/ref_xarray.cdl          |  13 ++
 .../v3only/ref_zarr_test_data_2d.cdl.gz       | Bin 0 -> 379 bytes
 v3_nczarr_test/v3only/run_mud.sh              |  84 ++++++++
 v3_nczarr_test/v3only/run_nan.sh              |  60 ++++++
 69 files changed, 1144 insertions(+), 78 deletions(-)
 delete mode 100644 v3.tgz
 delete mode 100644 v3_build.sh
 create mode 100644 v3_nczarr_test/v3manifest.am
 create mode 100644 v3_nczarr_test/v3only/ref_any.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_bzip2.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_filtered.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_groups_regular.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_jsonconvention.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_jsonconvention.zmap
 create mode 100644 v3_nczarr_test/v3only/ref_misc2.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_multi.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_nczarr2zarr.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_nulls_zarr.baseline
 create mode 100644 v3_nczarr_test/v3only/ref_purezarr.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_string_nczarr.baseline
 create mode 100644 v3_nczarr_test/v3only/ref_string_zarr.baseline
 create mode 100644 v3_nczarr_test/v3only/ref_tst_mud4-bc.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_tst_mud4.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_tst_mud4_chars.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_tst_nans.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_xarray.cdl
 create mode 100644 v3_nczarr_test/v3only/ref_zarr_test_data_2d.cdl.gz
 create mode 100644 v3_nczarr_test/v3only/run_mud.sh
 create mode 100644 v3_nczarr_test/v3only/run_nan.sh

diff --git a/.github/workflows/main-cmake.yml b/.github/workflows/main-cmake.yml
index fc46a09b59..de2a5e951d 100644
--- a/.github/workflows/main-cmake.yml
+++ b/.github/workflows/main-cmake.yml
@@ -1,6 +1,6 @@
 name: NetCDF-C CMake CI - Windows
 
-on: [ pull_request, workflow_dispatch]
+on: [push, pull_request, workflow_dispatch]
 
 env:
   REMOTETESTDOWN: no
diff --git a/.github/workflows/run_tests_osx.yml b/.github/workflows/run_tests_osx.yml
index bcf0e7c6e4..ccf359ec3a 100644
--- a/.github/workflows/run_tests_osx.yml
+++ b/.github/workflows/run_tests_osx.yml
@@ -6,7 +6,7 @@
 
 name: Run macOS-based netCDF Tests
 
-on: [pull_request,workflow_dispatch]
+on: [push,pull_request,workflow_dispatch]
 
 concurrency:  
   group: ${{ github.workflow}}-${{ github.head_ref }}  
diff --git a/.github/workflows/run_tests_ubuntu.yml b/.github/workflows/run_tests_ubuntu.yml
index 324e83ecad..729706db43 100644
--- a/.github/workflows/run_tests_ubuntu.yml
+++ b/.github/workflows/run_tests_ubuntu.yml
@@ -4,7 +4,7 @@
 
 name: Run Ubuntu/Linux netCDF Tests
 
-on: [pull_request,workflow_dispatch]
+on: [push,pull_request,workflow_dispatch]
 
 env:
   REMOTETESTDOWN: no
diff --git a/.github/workflows/run_tests_win_cygwin.yml b/.github/workflows/run_tests_win_cygwin.yml
index 488ba1d533..bd1accfc8d 100644
--- a/.github/workflows/run_tests_win_cygwin.yml
+++ b/.github/workflows/run_tests_win_cygwin.yml
@@ -1,6 +1,6 @@
 name: Run Cygwin-based tests
 
-on: [pull_request,workflow_dispatch]
+on: [push,pull_request,workflow_dispatch]
 
 concurrency:  
   group: ${{ github.workflow}}-${{ github.head_ref }}  
diff --git a/.github/workflows/run_tests_win_mingw.yml b/.github/workflows/run_tests_win_mingw.yml
index 0bbeda7fd7..c4b7267324 100644
--- a/.github/workflows/run_tests_win_mingw.yml
+++ b/.github/workflows/run_tests_win_mingw.yml
@@ -10,7 +10,7 @@ env:
   CPPFLAGS: "-D_BSD_SOURCE"
   REMOTETESTDOWN: ${{ vars.REMOTETESTDOWN }}
 
-on: [pull_request,workflow_dispatch]
+on: [push,pull_request,workflow_dispatch]
 
 concurrency:  
   group: ${{ github.workflow}}-${{ github.head_ref }}  
diff --git a/Makefile.am b/Makefile.am
index 85c83643e4..f99ea6c58f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -33,7 +33,7 @@ cmake CMakeLists.txt COMPILE.cmake.txt config.h.cmake.in		\
 cmake_uninstall.cmake.in FixBundle.cmake.in nc-config.cmake.in		\
 RELEASE_NOTES.md CTestConfig.cmake.in CTestCustom.cmake.in		\
 libnetcdf.settings.in netCDFConfig.cmake.in CMakeInstallation.cmake	\
-test-driver-verbose test_common.in fuzz CITATION.cff v3.tgz
+test-driver-verbose test_common.in fuzz CITATION.cff
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = netcdf.pc
diff --git a/configure.ac b/configure.ac
index 152a072777..6ff852c1e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2362,9 +2362,6 @@ AM_CONDITIONAL([AX_ENABLE], [test xyes = xyes])
 # Provide  conditional to identify tests that must be run manually
 AM_CONDITIONAL([AX_MANUAL], [test xno = xyes])
 
-# Initialize v3_nczarr_test
-cd v3_nczarr_test; rm -fr *; tar -xzf ../v3.tgz
-
 AC_MSG_NOTICE([generating header files and makefiles])
 AC_CONFIG_FILES(test_common.sh:test_common.in)
 AC_CONFIG_FILES(s3cleanup.sh:s3cleanup.in, [chmod ugo+x s3cleanup.sh])
@@ -2439,4 +2436,15 @@ AC_CONFIG_FILES([Makefile
                  ])
 AC_OUTPUT()
 
+# Initialize v3_nczarr_test
+AC_MSG_CHECKING([@@@ Initializing v3_nczarr_test])
+set -x
+mkdir -p v3_nczarr_test
+cd v3_nczarr_test
+find . -maxdepth 0 -type f -not \( -name CMakeLists.txt -or -name '*.am' -or -name Makefile.in \) -delete
+cp v3only/* .
+cd ..
+set +x
+AC_MSG_RESULT([done])
+
 cat libnetcdf.settings
diff --git a/ncdap_test/Makefile.am b/ncdap_test/Makefile.am
index 5c1949fb1e..3162280f40 100644
--- a/ncdap_test/Makefile.am
+++ b/ncdap_test/Makefile.am
@@ -57,7 +57,7 @@ TESTS += tst_remote3.sh testurl.sh
 # iridl.ldeo.columbia.edu
 TESTS += tst_encode.sh
 # test.opendap.org
-TESTS += tst_hyrax.sh
+#TESTS += tst_hyrax.sh # currently down
 # Various
 TESTS += tst_longremote3.sh
 tst_longremote3.log: tst_remote3.log
diff --git a/nczarr_test/Makefile.am b/nczarr_test/Makefile.am
index 5a1c4362b5..b26db09ab3 100644
--- a/nczarr_test/Makefile.am
+++ b/nczarr_test/Makefile.am
@@ -7,10 +7,10 @@ include $(top_srcdir)/lib_flags.am
 AM_TESTS_ENVIRONMENT += export NCZARRFORMAT=2;
 TESTS_ENVIRONMENT =
 TEST_EXTENSIONS = .sh
-SH_LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver-verbose
-sh_LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver-verbose
-LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver-verbose
-TESTS_ENVIRONMENT += export SETX=1;
+#SH_LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver-verbose
+#sh_LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver-verbose
+#LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver-verbose
+#TESTS_ENVIRONMENT += export SETX=1;
 
 AM_CFLAGS += -I${top_srcdir}
 AM_CPPFLAGS += -I${top_srcdir}
diff --git a/nczarr_test/run_cachetest.sh b/nczarr_test/run_cachetest.sh
index 6a554e19dd..ce181bee2a 100755
--- a/nczarr_test/run_cachetest.sh
+++ b/nczarr_test/run_cachetest.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_chunkcases.sh b/nczarr_test/run_chunkcases.sh
index d8f60cd62f..7a8228e681 100755
--- a/nczarr_test/run_chunkcases.sh
+++ b/nczarr_test/run_chunkcases.sh
@@ -13,7 +13,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 
 set -e
 
diff --git a/nczarr_test/run_corrupt.sh b/nczarr_test/run_corrupt.sh
index 1943f600d6..95df15cb64 100755
--- a/nczarr_test/run_corrupt.sh
+++ b/nczarr_test/run_corrupt.sh
@@ -6,7 +6,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_external.sh b/nczarr_test/run_external.sh
index 62a9920ef5..d74c90dace 100755
--- a/nczarr_test/run_external.sh
+++ b/nczarr_test/run_external.sh
@@ -5,7 +5,7 @@ if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 
 set -e
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 s3isolate "testdir_external"
 THISDIR=`pwd`
diff --git a/nczarr_test/run_fillonlyz.sh b/nczarr_test/run_fillonlyz.sh
index e9ab3e8b5d..60df1bab1d 100755
--- a/nczarr_test/run_fillonlyz.sh
+++ b/nczarr_test/run_fillonlyz.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 # This shell script tests bug reported in github issue 
 # https://github.com/Unidata/netcdf-c/issues/1826
diff --git a/nczarr_test/run_filter.sh b/nczarr_test/run_filter.sh
index 20eaba526d..5a4ca37d98 100755
--- a/nczarr_test/run_filter.sh
+++ b/nczarr_test/run_filter.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_filter_misc.sh b/nczarr_test/run_filter_misc.sh
index 4f094c4a39..1ef1f14a70 100755
--- a/nczarr_test/run_filter_misc.sh
+++ b/nczarr_test/run_filter_misc.sh
@@ -7,7 +7,7 @@ if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
 if test "x$TESTNCZARR" = x1; then
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 fi
 
 set -e
diff --git a/nczarr_test/run_filter_vlen.sh b/nczarr_test/run_filter_vlen.sh
index 6c38ee1832..0f8b276a5e 100755
--- a/nczarr_test/run_filter_vlen.sh
+++ b/nczarr_test/run_filter_vlen.sh
@@ -9,7 +9,7 @@ if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
 if test "x$TESTNCZARR" = x1; then
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 fi
 
 set -e
diff --git a/nczarr_test/run_filterinstall.sh b/nczarr_test/run_filterinstall.sh
index f5cc612784..187ad69da7 100755
--- a/nczarr_test/run_filterinstall.sh
+++ b/nczarr_test/run_filterinstall.sh
@@ -11,7 +11,7 @@ if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
 if test "x$TESTNCZARR" = x1; then
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 fi
 
 set -e
diff --git a/nczarr_test/run_interop.sh b/nczarr_test/run_interop.sh
index c50607b22d..dce1de668a 100755
--- a/nczarr_test/run_interop.sh
+++ b/nczarr_test/run_interop.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -x
 set -e
diff --git a/nczarr_test/run_it_chunks1.sh b/nczarr_test/run_it_chunks1.sh
index e02d8b132b..535dd0ce25 100755
--- a/nczarr_test/run_it_chunks1.sh
+++ b/nczarr_test/run_it_chunks1.sh
@@ -6,7 +6,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_jsonconvention.sh b/nczarr_test/run_jsonconvention.sh
index 5a906c07c6..aea0c47d74 100755
--- a/nczarr_test/run_jsonconvention.sh
+++ b/nczarr_test/run_jsonconvention.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_misc.sh b/nczarr_test/run_misc.sh
index e1c68320ef..dbe93e5955 100755
--- a/nczarr_test/run_misc.sh
+++ b/nczarr_test/run_misc.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -x
 set -e
diff --git a/nczarr_test/run_mud.sh b/nczarr_test/run_mud.sh
index 320492b767..0c9152b561 100755
--- a/nczarr_test/run_mud.sh
+++ b/nczarr_test/run_mud.sh
@@ -12,7 +12,7 @@ if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 set -e
 
 if test "x$TESTNCZARR" = x1 ; then
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 s3isolate "testdir_mud4"
 else
 isolate "testdir_mud4"
diff --git a/nczarr_test/run_nan.sh b/nczarr_test/run_nan.sh
index 6429f56263..c0fa825457 100755
--- a/nczarr_test/run_nan.sh
+++ b/nczarr_test/run_nan.sh
@@ -8,13 +8,14 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 # Isolate both test and S3
 s3isolate "testdir_nan"
 THISDIR=`pwd`
 cd $ISOPATH
 
+set -x
 set -e
 
 # Location constants
diff --git a/nczarr_test/run_nccopy5.sh b/nczarr_test/run_nccopy5.sh
index 2d89abb3d0..be1bdcd4e0 100755
--- a/nczarr_test/run_nccopy5.sh
+++ b/nczarr_test/run_nccopy5.sh
@@ -9,7 +9,7 @@ if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 set -e
 
 if test "x$TESTNCZARR" = x1 ; then
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 s3isolate "testdir_nccopy5"
 else
 isolate testdir_ncccopy5
diff --git a/nczarr_test/run_ncgen4.sh b/nczarr_test/run_ncgen4.sh
index a19d256204..83fc0f68a0 100755
--- a/nczarr_test/run_ncgen4.sh
+++ b/nczarr_test/run_ncgen4.sh
@@ -8,7 +8,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 # Isolate both test and S3
 s3isolate "testdir_ncgen4"
diff --git a/nczarr_test/run_nczarr_fill.sh b/nczarr_test/run_nczarr_fill.sh
index 9856c611c0..85b434a68b 100755
--- a/nczarr_test/run_nczarr_fill.sh
+++ b/nczarr_test/run_nczarr_fill.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 s3isolate "testdir_nczarr_fill"
 THISDIR=`pwd`
diff --git a/nczarr_test/run_nczfilter.sh b/nczarr_test/run_nczfilter.sh
index 2ce44ccd11..e7f3985818 100755
--- a/nczarr_test/run_nczfilter.sh
+++ b/nczarr_test/run_nczfilter.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 # This shell script runs test_nczfilter.c
 
diff --git a/nczarr_test/run_newformat.sh b/nczarr_test/run_newformat.sh
index bc5691476d..fc894b848f 100755
--- a/nczarr_test/run_newformat.sh
+++ b/nczarr_test/run_newformat.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_notzarr.sh b/nczarr_test/run_notzarr.sh
index f5900dea51..eafed26d02 100755
--- a/nczarr_test/run_notzarr.sh
+++ b/nczarr_test/run_notzarr.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_nulls.sh b/nczarr_test/run_nulls.sh
index 94b8574d92..040c668c18 100755
--- a/nczarr_test/run_nulls.sh
+++ b/nczarr_test/run_nulls.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_perf_chunks1.sh b/nczarr_test/run_perf_chunks1.sh
index e08e1417f1..9d30f21507 100755
--- a/nczarr_test/run_perf_chunks1.sh
+++ b/nczarr_test/run_perf_chunks1.sh
@@ -9,7 +9,7 @@
 
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 s3isolate "testdir_perf_chunks1"
 THISDIR=`pwd`
diff --git a/nczarr_test/run_purezarr.sh b/nczarr_test/run_purezarr.sh
index efe177468c..0b646c8b6a 100755
--- a/nczarr_test/run_purezarr.sh
+++ b/nczarr_test/run_purezarr.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_quantize.sh b/nczarr_test/run_quantize.sh
index 1907c62da7..9c1c2a7ab0 100755
--- a/nczarr_test/run_quantize.sh
+++ b/nczarr_test/run_quantize.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 # Construct both ISOPATH and S3ISOPATH
 s3isolate "testdir_quantize"
diff --git a/nczarr_test/run_scalar.sh b/nczarr_test/run_scalar.sh
index cb601e0558..2fc7cd4972 100755
--- a/nczarr_test/run_scalar.sh
+++ b/nczarr_test/run_scalar.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/nczarr_test/run_specific_filters.sh b/nczarr_test/run_specific_filters.sh
index bad0623030..89c0366d19 100755
--- a/nczarr_test/run_specific_filters.sh
+++ b/nczarr_test/run_specific_filters.sh
@@ -14,7 +14,7 @@ if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 set -e
 
 if test "x$TESTNCZARR" = x1 ; then
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 s3isolate "testdir_specific_filters"
 THISDIR=`pwd`
 cd $ISOPATH
diff --git a/nczarr_test/run_strings.sh b/nczarr_test/run_strings.sh
index a18c72550f..8c7b7f26f8 100755
--- a/nczarr_test/run_strings.sh
+++ b/nczarr_test/run_strings.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 # This shell script tests support for the NC_STRING type
 
diff --git a/nczarr_test/run_unknown.sh b/nczarr_test/run_unknown.sh
index 1112bf60d1..63f63dc97e 100755
--- a/nczarr_test/run_unknown.sh
+++ b/nczarr_test/run_unknown.sh
@@ -11,7 +11,7 @@ THISDIR=`pwd`
 cd $ISOPATH
 
 if test "x$TESTNCZARR" = x1 ; then
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 s3isolate
 fi
 
diff --git a/nczarr_test/run_unlim_io.sh b/nczarr_test/run_unlim_io.sh
index aec2320003..7f00edbe05 100755
--- a/nczarr_test/run_unlim_io.sh
+++ b/nczarr_test/run_unlim_io.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 
 set -e
 
diff --git a/nczarr_test/run_ut_map.sh b/nczarr_test/run_ut_map.sh
index a6023e96c4..549dd9d83f 100755
--- a/nczarr_test/run_ut_map.sh
+++ b/nczarr_test/run_ut_map.sh
@@ -5,7 +5,7 @@ export SETX=1
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 
 set -e
 
diff --git a/nczarr_test/run_ut_mapapi.sh b/nczarr_test/run_ut_mapapi.sh
index 2e39132349..c05c164288 100755
--- a/nczarr_test/run_ut_mapapi.sh
+++ b/nczarr_test/run_ut_mapapi.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 #TR="-T10"
 
diff --git a/nczarr_test/run_ut_misc.sh b/nczarr_test/run_ut_misc.sh
index 38d51258bf..3b72f4ba1b 100755
--- a/nczarr_test/run_ut_misc.sh
+++ b/nczarr_test/run_ut_misc.sh
@@ -3,7 +3,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 set -e
 
diff --git a/v3.tgz b/v3.tgz
deleted file mode 100644
index 7cccb11bf9c7d34f725e8f79ac9430170ee2b176..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/v3_build.sh b/v3_build.sh
deleted file mode 100644
index ded1a118c3..0000000000
--- a/v3_build.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-# WARNING THIS FILE MUST BE KEPT CONSISTENT WITH v3_build.cmake
-
-# Copy selected V2 files from nczarr_test to v3_nczarr_test.
-# We do not use AC_CONFIG_FILES but rather rely on the 'cp' program.
-
-# Shell scripts that are copies of same files from nczarr_test
-TESTFILES_NCZARR_SH="test_nczarr.sh run_chunkcases.sh run_corrupt.sh run_external.sh run_fillonlyz.sh run_filter.sh run_filterinstall.sh run_filter_misc.sh run_filter_vlen.sh run_interop.sh run_jsonconvention.sh run_misc.sh run_nccopy5.sh run_nccopyz.sh run_ncgen4.sh run_nczarr_fill.sh run_nczfilter.sh run_newformat.sh run_notzarr.sh run_nulls.sh run_perf_chunks1.sh run_purezarr.sh run_quantize.sh run_scalar.sh run_specific_filters.sh run_strings.sh run_unknown.sh run_unlim_io.sh run_ut_map.sh run_ut_mapapi.sh run_ut_misc.sh"
-
-# Program files that are copies of same files from nczarr_test
-TESTFILES_NCZARR_C="test_chunking.c test_filter_vlen.c test_h5_endians.c test_put_vars_two_unlim_dim.c test_quantize.c test_unlim_vars.c tst_pure_awssdk.cpp bm_utils.c timer_utils.c test_utils.c test_utils.h bm_utils.h bm_timer.h testfilter.c testfilter_multi.c testfilter_misc.c testfilter_order.c testfilter_repeat.c"
-
-# Script files that are copies of same files from nczarr_test
-for u in ${TESTFILES_NCZARR_SH}; do
-cp -f nczarr_test/$u v3_nczarr_test/$u 
-chmod a+x v3_nczarr_test
-done
-
-# Program files that are copies of same files from nczarr_test
-for u in ${TESTFILES_NCZARR_C}; do
-cp -f nczarr_test/$u v3_nczarr_test/$u 
-done
diff --git a/v3_nczarr_test/Makefile.am b/v3_nczarr_test/Makefile.am
index 687272bc88..dc365875af 100644
--- a/v3_nczarr_test/Makefile.am
+++ b/v3_nczarr_test/Makefile.am
@@ -186,15 +186,41 @@ endif
 
 CLEANFILES = ut_*.txt ut*.cdl tmp*.nc tmp*.cdl tmp*.txt tmp*.dmp tmp*.zip tmp*.nc tmp*.dump tmp*.tmp tmp*.zmap tmp_ngc.c ref_zarr_test_data.cdl tst_*.nc.zip ref_quotes.zip ref_power_901_constants.zip
 
-EXTRA_DIST += CMakeLists.txt
+EXTRA_DIST += CMakeLists.txt v3manifest.am
 
-# V3 specific files
-V3FILES = run_nan.sh run_mud.sh
-V3DATA = ref_nczarr2zarr.cdl ref_purezarr.cdl ref_xarray.cdl ref_misc2.cdl ref_jsonconvention.cdl ref_jsonconvention.zmap ref_nulls_zarr.baseline ref_string_zarr.baseline ref_string_nczarr.baseline ref_zarr_test_data_2d.cdl.gz ref_groups_regular.cdl ref_filtered.cdl ref_any.cdl ref_multi.cdl ref_bzip2.cdl ref_tst_mud4-bc.cdl ref_tst_mud4.cdl ref_tst_mud4_chars.cdl ref_tst_nans.cdl
+include v3manifest.am
 
-EXTRA_DIST += ${V3FILES} ${V3DATA}
+EXTRA_DIST += ${V3FILES} ${V3DATA} CMakeLists.txt
 
 DISTCLEANFILES += findplugin.sh
+DISTCLEANFILES += ${TESTFILES_NCZARR_C} ${TESTDATA_NCZARR}
+
+# Note: v3_nczarr_test is initialized with the files specified by the
+# list ${V3FILES} and ${V3DATA} in v3manifest.am. The actual
+# files are kept in the file ${top_srcdir}/v3init.tgz and they
+# are copied into v3_nczarr_test in configure.ac.
+
+BUILT_SOURCES = ${TESTFILES_NCZARR_SH} ${TESTFILES_NCZARR_C} ${TESTDATA_NCZARR}
+
+dist-hook: setup
+all-local: setup
+
+SRC = ${abs_top_srcdir}/nczarr_test
+DST = ${abs_top_srcdir}/v3_nczarr_test
+#DST = .
+
+.PHONY: setup
+setup ${TESTFILES_NCZARR_SH} ${TESTFILES_NCZARR_C} ${TESTDATA_NCZARR}:
+	set -x ; for u in ${TESTFILES_NCZARR_SH}; do \
+	cp -f ${SRC}/$$u ${DST}/$$u ; \
+	chmod a+x ${DST}/$$u ; \
+	done
+	set -x ; for u in ${TESTFILES_NCZARR_C} ; do \
+	cp -f ${SRC}/$$u ${DST}/$$u ; \
+	done
+	set -x; for u in ${TESTDATA_NCZARR}; do \
+	cp -f ${SRC}/$$u ${DST}/$$u ; \
+	done
 
 # Remove directories
 clean-local:
@@ -208,6 +234,4 @@ endif
 # If valgrind is present, add valgrind targets.
 @VALGRIND_CHECK_RULES@
 
-# Construct copies of some v3 tests at build time
-
-DISTCLEANFILES += ${TESTFILES_NCZARR_C} ${TESTDATA_NCZARR}
+##################################################
diff --git a/v3_nczarr_test/run_mud.sh b/v3_nczarr_test/run_mud.sh
index bc104a81d6..9d523dd438 100755
--- a/v3_nczarr_test/run_mud.sh
+++ b/v3_nczarr_test/run_mud.sh
@@ -12,7 +12,7 @@ if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 set -e
 
 if test "x$TESTNCZARR" = x1 ; then
-. ${srcdir}/test_nczarr.sh
+. ${builddir}/test_nczarr.sh
 s3isolate "testdir_mud4"
 else
 isolate "testdir_mud4"
diff --git a/v3_nczarr_test/run_nan.sh b/v3_nczarr_test/run_nan.sh
index a656ef1265..d4bd8f4429 100755
--- a/v3_nczarr_test/run_nan.sh
+++ b/v3_nczarr_test/run_nan.sh
@@ -8,7 +8,7 @@
 if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 . ../test_common.sh
 
-. "${srcdir}/test_nczarr.sh"
+. "${builddir}/test_nczarr.sh"
 
 # Isolate both test and S3
 s3isolate "testdir_nan"
diff --git a/v3_nczarr_test/v3manifest.am b/v3_nczarr_test/v3manifest.am
new file mode 100644
index 0000000000..cd717f6910
--- /dev/null
+++ b/v3_nczarr_test/v3manifest.am
@@ -0,0 +1,14 @@
+# V3 specific files
+V3FILES = run_nan.sh run_mud.sh
+V3DATA = ref_nczarr2zarr.cdl ref_purezarr.cdl ref_xarray.cdl ref_misc2.cdl ref_jsonconvention.cdl ref_jsonconvention.zmap ref_nulls_zarr.baseline ref_string_zarr.baseline ref_string_nczarr.baseline ref_zarr_test_data_2d.cdl.gz ref_groups_regular.cdl ref_filtered.cdl ref_any.cdl ref_multi.cdl ref_bzip2.cdl ref_tst_mud4-bc.cdl ref_tst_mud4.cdl ref_tst_mud4_chars.cdl ref_tst_nans.cdl
+
+# Script file that are copies of same files from nczarr_test
+TESTFILES_NCZARR_SH = test_nczarr.sh run_chunkcases.sh run_corrupt.sh run_external.sh run_fillonlyz.sh run_filter.sh run_filterinstall.sh run_filter_misc.sh run_filter_vlen.sh run_interop.sh run_jsonconvention.sh run_misc.sh run_nccopy5.sh run_nccopyz.sh run_ncgen4.sh run_nczarr_fill.sh run_nczfilter.sh run_newformat.sh run_notzarr.sh run_nulls.sh run_perf_chunks1.sh run_purezarr.sh run_quantize.sh run_scalar.sh run_specific_filters.sh run_strings.sh run_unknown.sh run_unlim_io.sh run_ut_map.sh run_ut_mapapi.sh run_ut_misc.sh
+
+# Program files that are copies of same files from nczarr_test
+TESTFILES_NCZARR_C = bm_chunks3.c bm_utils.c bm_utils.h bm_timer.h test_chunkcases.c test_chunking.c test_fillonlyz.c test_filter_avail.c test_filter.c testfilter.c test_filter_misc.c testfilter_misc.c testfilter_multi.c test_filter_order.c testfilter_order.c test_filter_repeat.c testfilter_repeat.c test_filter_vlen.c test_forwardinfer.c test_grpperf.c test_h5_endians.c test_multifilter.c test_nczfilter.c test_notzarr.c test_put_vars_two_unlim_dim.c test_quantize.c test_readcaching.c test_unlim_io.c test_unlimited.c test_unlim_vars.c test_utils.c test_writecaching.c test_zchunks2.c test_zchunks3.c test_zchunks.c tst_multifilter.c timer_utils.c timer_utils.h ut_chunking.c ut_json.c ut_mapapi.c ut_map.c ut_projections.c ut_test.c ut_util.c test_nczarr_utils.h test_utils.h ut_includes.h ut_projtest.h ut_test.h ut_util.h
+
+TESTDATA_NCZARR = ref_nulls_nczarr.baseline ref_zarr_test_data.cdl.gz ref_avail1.cdl ref_byte.cdl ref_byte_fill_value_null.cdl ref_fillonly.cdl ref_misc1.cdl ref_ndims.cdl ref_newformatpure.cdl ref_nulls.cdl ref_oldformat.cdl ref_perdimspecs.cdl ref_power_901_constants.cdl ref_purezarr_base.cdl ref_quotes.cdl ref_rem.cdl ref_scalar.cdl ref_skip.cdl ref_skipw.cdl ref_string.cdl ref_t_meta_dim1.cdl ref_t_meta_var1.cdl ref_ut_mapapi_create.cdl ref_ut_mapapi_data.cdl ref_ut_mapapi_meta.cdl ref_ut_map_create.cdl ref_ut_map_writedata.cdl ref_ut_map_writemeta.cdl ref_ut_map_writemeta2.cdl ref_ut_testmap_create.cdl ref_whole.cdl ref_avail1.dmp ref_misc1.dmp ref_ndims.dmp ref_rem.dmp ref_noshape.file.zip ref_groups.h5 ref_notzarr.tar.gz ref_avail1.txt ref_skip.txt ref_ut_json_build.txt ref_ut_json_parse.txt ref_ut_mapapi_search.txt ref_ut_map_readmeta.txt ref_ut_map_readmeta2.txt ref_ut_map_search.txt ref_ut_proj.txt ref_whole.txt ref_byte.zarr.zip ref_byte_fill_value_null.zarr.zip ref_oldformat.zip ref_power_901_constants_orig.zip ref_quotes_orig.zip ref_cmip6.zmap
+
+
+
diff --git a/v3_nczarr_test/v3only/ref_any.cdl b/v3_nczarr_test/v3only/ref_any.cdl
new file mode 100644
index 0000000000..6e2a1441cf
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_any.cdl
@@ -0,0 +1,57 @@
+netcdf ref_any {
+dimensions:
+	dim0 = 4 ;
+	dim1 = 4 ;
+	dim2 = 4 ;
+variables:
+	int ivar(dim0, dim1, dim2) ;
+		ivar:_FillValue = -2147483647 ;
+		ivar:_Storage = @chunked@ ;
+		ivar:_ChunkSizes = 4, 4, 4 ;
+		ivar:_Filter = @IH5@ ;
+		ivar:_Codecs = @ICX@ ;
+	float fvar(dim0, dim1, dim2) ;
+		fvar:_FillValue = 9.96921e+36f ;
+		fvar:_Storage = @chunked@ ;
+		fvar:_ChunkSizes = 4, 4, 4 ;
+		fvar:_Filter = @FH5@ ;
+		fvar:_Codecs = @FCX@ ;
+
+data:
+
+ ivar =
+  0, 1, 2, 3,
+  4, 5, 6, 7,
+  8, 9, 10, 11,
+  12, 13, 14, 15,
+  16, 17, 18, 19,
+  20, 21, 22, 23,
+  24, 25, 26, 27,
+  28, 29, 30, 31,
+  32, 33, 34, 35,
+  36, 37, 38, 39,
+  40, 41, 42, 43,
+  44, 45, 46, 47,
+  48, 49, 50, 51,
+  52, 53, 54, 55,
+  56, 57, 58, 59,
+  60, 61, 62, 63 ;
+
+ fvar =
+  0.5, 1.5, 2.5, 3.5,
+  4.5, 5.5, 6.5, 7.5,
+  8.5, 9.5, 10.5, 11.5,
+  12.5, 13.5, 14.5, 15.5,
+  16.5, 17.5, 18.5, 19.5,
+  20.5, 21.5, 22.5, 23.5,
+  24.5, 25.5, 26.5, 27.5,
+  28.5, 29.5, 30.5, 31.5,
+  32.5, 33.5, 34.5, 35.5,
+  36.5, 37.5, 38.5, 39.5,
+  40.5, 41.5, 42.5, 43.5,
+  44.5, 45.5, 46.5, 47.5,
+  48.5, 49.5, 50.5, 51.5,
+  52.5, 53.5, 54.5, 55.5,
+  56.5, 57.5, 58.5, 59.5,
+  60.5, 61.5, 62.5, 63.5 ;
+}
diff --git a/v3_nczarr_test/v3only/ref_bzip2.cdl b/v3_nczarr_test/v3only/ref_bzip2.cdl
new file mode 100644
index 0000000000..5ec01da462
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_bzip2.cdl
@@ -0,0 +1,84 @@
+netcdf bzip2 {
+dimensions:
+	dim0 = 4 ;
+	dim1 = 4 ;
+	dim2 = 4 ;
+	dim3 = 4 ;
+variables:
+	float var(dim0, dim1, dim2, dim3) ;
+		var:_Storage = "chunked" ;
+		var:_ChunkSizes = 4, 4, 4, 4 ;
+		var:_Filter = "307,9" ;
+ 		var:_Codecs = "[{\"name\": \"bz2\", \"configuration\": {\"level\": 9}}]" ;
+		var:_NoFill = "true" ;
+
+// global attributes:
+		:_Format = "netCDF-4" ;
+data:
+
+ var =
+  0, 1, 2, 3,
+  4, 5, 6, 7,
+  8, 9, 10, 11,
+  12, 13, 14, 15,
+  16, 17, 18, 19,
+  20, 21, 22, 23,
+  24, 25, 26, 27,
+  28, 29, 30, 31,
+  32, 33, 34, 35,
+  36, 37, 38, 39,
+  40, 41, 42, 43,
+  44, 45, 46, 47,
+  48, 49, 50, 51,
+  52, 53, 54, 55,
+  56, 57, 58, 59,
+  60, 61, 62, 63,
+  64, 65, 66, 67,
+  68, 69, 70, 71,
+  72, 73, 74, 75,
+  76, 77, 78, 79,
+  80, 81, 82, 83,
+  84, 85, 86, 87,
+  88, 89, 90, 91,
+  92, 93, 94, 95,
+  96, 97, 98, 99,
+  100, 101, 102, 103,
+  104, 105, 106, 107,
+  108, 109, 110, 111,
+  112, 113, 114, 115,
+  116, 117, 118, 119,
+  120, 121, 122, 123,
+  124, 125, 126, 127,
+  128, 129, 130, 131,
+  132, 133, 134, 135,
+  136, 137, 138, 139,
+  140, 141, 142, 143,
+  144, 145, 146, 147,
+  148, 149, 150, 151,
+  152, 153, 154, 155,
+  156, 157, 158, 159,
+  160, 161, 162, 163,
+  164, 165, 166, 167,
+  168, 169, 170, 171,
+  172, 173, 174, 175,
+  176, 177, 178, 179,
+  180, 181, 182, 183,
+  184, 185, 186, 187,
+  188, 189, 190, 191,
+  192, 193, 194, 195,
+  196, 197, 198, 199,
+  200, 201, 202, 203,
+  204, 205, 206, 207,
+  208, 209, 210, 211,
+  212, 213, 214, 215,
+  216, 217, 218, 219,
+  220, 221, 222, 223,
+  224, 225, 226, 227,
+  228, 229, 230, 231,
+  232, 233, 234, 235,
+  236, 237, 238, 239,
+  240, 241, 242, 243,
+  244, 245, 246, 247,
+  248, 249, 250, 251,
+  252, 253, 254, 255 ;
+}
diff --git a/v3_nczarr_test/v3only/ref_filtered.cdl b/v3_nczarr_test/v3only/ref_filtered.cdl
new file mode 100644
index 0000000000..a9e1a8e642
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_filtered.cdl
@@ -0,0 +1,89 @@
+netcdf filtered {
+dimensions:
+	dim0 = 4 ;
+	dim1 = 4 ;
+	dim2 = 4 ;
+	dim3 = 4 ;
+
+// global attributes:
+		:_Format = "netCDF-4" ;
+
+group: g {
+  variables:
+  	float var(dim0, dim1, dim2, dim3) ;
+  		var:_FillValue = 9.96921e+36f ;
+  		var:_Storage = "chunked" ;
+  		var:_ChunkSizes = 4, 4, 4, 4 ;
+  		var:_Filter = "307,9" ;
+   		var:_Codecs = "[{\"name\": \"bz2\", \"configuration\": {\"level\": 9}}]" ;
+
+  // group attributes:
+  data:
+
+   var =
+  0, 1, 2, 3,
+  4, 5, 6, 7,
+  8, 9, 10, 11,
+  12, 13, 14, 15,
+  16, 17, 18, 19,
+  20, 21, 22, 23,
+  24, 25, 26, 27,
+  28, 29, 30, 31,
+  32, 33, 34, 35,
+  36, 37, 38, 39,
+  40, 41, 42, 43,
+  44, 45, 46, 47,
+  48, 49, 50, 51,
+  52, 53, 54, 55,
+  56, 57, 58, 59,
+  60, 61, 62, 63,
+  64, 65, 66, 67,
+  68, 69, 70, 71,
+  72, 73, 74, 75,
+  76, 77, 78, 79,
+  80, 81, 82, 83,
+  84, 85, 86, 87,
+  88, 89, 90, 91,
+  92, 93, 94, 95,
+  96, 97, 98, 99,
+  100, 101, 102, 103,
+  104, 105, 106, 107,
+  108, 109, 110, 111,
+  112, 113, 114, 115,
+  116, 117, 118, 119,
+  120, 121, 122, 123,
+  124, 125, 126, 127,
+  128, 129, 130, 131,
+  132, 133, 134, 135,
+  136, 137, 138, 139,
+  140, 141, 142, 143,
+  144, 145, 146, 147,
+  148, 149, 150, 151,
+  152, 153, 154, 155,
+  156, 157, 158, 159,
+  160, 161, 162, 163,
+  164, 165, 166, 167,
+  168, 169, 170, 171,
+  172, 173, 174, 175,
+  176, 177, 178, 179,
+  180, 181, 182, 183,
+  184, 185, 186, 187,
+  188, 189, 190, 191,
+  192, 193, 194, 195,
+  196, 197, 198, 199,
+  200, 201, 202, 203,
+  204, 205, 206, 207,
+  208, 209, 210, 211,
+  212, 213, 214, 215,
+  216, 217, 218, 219,
+  220, 221, 222, 223,
+  224, 225, 226, 227,
+  228, 229, 230, 231,
+  232, 233, 234, 235,
+  236, 237, 238, 239,
+  240, 241, 242, 243,
+  244, 245, 246, 247,
+  248, 249, 250, 251,
+  252, 253, 254, 255 ;
+  } // group g
+}
diff --git a/v3_nczarr_test/v3only/ref_groups_regular.cdl b/v3_nczarr_test/v3only/ref_groups_regular.cdl
new file mode 100644
index 0000000000..e0e930fab9
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_groups_regular.cdl
@@ -0,0 +1,47 @@
+netcdf tmp_groups_regular {
+
+// global attributes:
+		:_Format = "netCDF-4" ;
+
+group: MyGroup {
+  dimensions:
+  	phony_dim_2 = 3 ;
+  	phony_dim_3 = 3 ;
+  variables:
+  	int dset1(phony_dim_2, phony_dim_3) ;
+  		dset1:_Storage = "chunked" ;
+  		dset1:_ChunkSizes = 3, 3 ;
+  		dset1:_NoFill = "true" ;
+
+  // group attributes:
+  data:
+
+   dset1 =
+  1, 2, 3,
+  1, 2, 3,
+  1, 2, 3 ;
+
+  group: Group_A {
+    dimensions:
+    	phony_dim_0 = 2 ;
+    	phony_dim_1 = 10 ;
+    variables:
+    	int dset2(phony_dim_0, phony_dim_1) ;
+    		dset2:_Storage = "chunked" ;
+    		dset2:_ChunkSizes = 2, 10 ;
+    		dset2:_NoFill = "true" ;
+
+    // group attributes:
+    data:
+
+     dset2 =
+  1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+  1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ;
+    } // group Group_A
+
+  group: Group_B {
+
+    // group attributes:
+    } // group Group_B
+  } // group MyGroup
+}
diff --git a/v3_nczarr_test/v3only/ref_jsonconvention.cdl b/v3_nczarr_test/v3only/ref_jsonconvention.cdl
new file mode 100644
index 0000000000..f3b5c9530e
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_jsonconvention.cdl
@@ -0,0 +1,21 @@
+netcdf tmp_jsonconvention {
+dimensions:
+	d1 = 1 ;
+variables:
+	int v(d1) ;
+		v:varjson1 = "{\"key1\": [1,2,3], \"key2\": {\"key3\": \"abc\"}}" ;
+		v:varjson2 = "[[1.0,0.0,0.0],[0.0,1.0,0.0],[0.0,0.0,1.0]]" ;
+		v:varvec1 = "1.0, 0.0, 0.0" ;
+		v:varvec2 = "[0.,0.,1.]" ;
+		v:_FillValue = -2147483647 ;
+
+// global attributes:
+		:globalfloat = 1. ;
+		:globalfloatvec = 1., 2. ;
+		:globalchar = "abc" ;
+		:globalillegal = "[ [ 1.0, 0.0, 0.0 ], [ 0.0, 1.0, 0.0 ], [ 0.0, 0.0, 1.0 " ;
+		:globaljson = "[0.,0.,1.]" ;
+data:
+
+ v = _ ;
+}
diff --git a/v3_nczarr_test/v3only/ref_jsonconvention.zmap b/v3_nczarr_test/v3only/ref_jsonconvention.zmap
new file mode 100644
index 0000000000..6cbcfbc6c7
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_jsonconvention.zmap
@@ -0,0 +1,3 @@
+[0] /v/c/0 : () (ubyte) |...|
+[1] /v/zarr.json : () |{"node_type": "array", "zarr_format": 3, "data_type": "int32", "fill_value": -2147483647, "shape": [1], "chunk_grid": {"name": "regular", "configuration": {"chunk_shape": [1]}}, "chunk_key_encoding": {"name": "default", "configuration": {"separator": "/"}}, "dimension_names": ["d1"], "codecs": [{"name": "bytes", "configuration": {"endian": "little"}}], "attributes": {"varjson1": {"key1": [1,2,3], "key2": {"key3": "abc"}}, "varjson2": [[1.0,0.0,0.0],[0.0,1.0,0.0],[0.0,0.0,1.0]], "varvec1": "1.0, 0.0, 0.0", "varvec2": [0.,0.,1.], "_FillValue": -2147483647, "_ARRAY_DIMENSIONS": ["d1"], "_nczarr_array": {"dimension_references": ["/d1"], "storage": "chunked"}, "_nczarr_attrs": {"attribute_types": {"varjson1": "json", "varjson2": "json", "varvec1": "char", "varvec2": "json", "_FillValue": "int32", "_ARRAY_DIMENSIONS": "json", "_nczarr_array": "json", "_nczarr_attrs": "json"}}}}|
+[2] /zarr.json : () |{"node_type": "group", "zarr_format": 3, "attributes": {"globalfloat": 1, "globalfloatvec": [1,2], "globalchar": "abc", "globalillegal": "[ [ 1.0, 0.0, 0.0 ], [ 0.0, 1.0, 0.0 ], [ 0.0, 0.0, 1.0 ", "globaljson": [0.,0.,1.], "_NCProperties": "version=2,netcdf=0.0.0,nczarr=0.0.0", "_nczarr_group": {"dimensions": {"d1": {"size": 1, "unlimited": 0}}, "arrays": ["v"], "groups": []}, "_nczarr_superblock": {"version": "0.0.0", "format": 2}, "_nczarr_attrs": {"attribute_types": {"globalfloat": "float64", "globalfloatvec": "float64", "globalchar": "char", "globalillegal": "char", "globaljson": "json", "_NCProperties": "char", "_nczarr_group": "json", "_nczarr_superblock": "json", "_nczarr_attrs": "json"}}}}|
diff --git a/v3_nczarr_test/v3only/ref_misc2.cdl b/v3_nczarr_test/v3only/ref_misc2.cdl
new file mode 100644
index 0000000000..8d40a16020
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_misc2.cdl
@@ -0,0 +1,13 @@
+netcdf tmp_misc2 {
+dimensions:
+        d0 = 2;
+	d1 = 2;
+variables:
+	int v(d0, d1) ;
+		v:_FillValue = -2147483647 ;
+data:
+
+  v =
+   0, 1,
+   2, 3 ;
+}
diff --git a/v3_nczarr_test/v3only/ref_multi.cdl b/v3_nczarr_test/v3only/ref_multi.cdl
new file mode 100644
index 0000000000..0cd9699c6e
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_multi.cdl
@@ -0,0 +1,17 @@
+netcdf multifilter {
+dimensions:
+	dim0 = 4 ;
+	dim1 = 4 ;
+	dim2 = 4 ;
+	dim3 = 4 ;
+variables:
+	float var(dim0, dim1, dim2, dim3) ;
+		var:_Storage = "chunked" ;
+		var:_ChunkSizes = 4, 4, 4, 4 ;
+		var:_Filter = "307,9|1,2|40000" ;
+ 		var:_Codecs = "[{\"name\": \"bz2\", \"configuration\": {\"level\": 9}},{\"name\": \"zlib\", \"configuration\": {\"level\": 2}},{\"name\": \"noop\", \"configuration\": {\"hdf5raw\": \"1\", \"nparams\": 0}}]" ;
+		var:_NoFill = "true" ;
+
+// global attributes:
+		:_Format = "netCDF-4" ;
+}
diff --git a/v3_nczarr_test/v3only/ref_nczarr2zarr.cdl b/v3_nczarr_test/v3only/ref_nczarr2zarr.cdl
new file mode 100644
index 0000000000..c9208518f7
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_nczarr2zarr.cdl
@@ -0,0 +1,19 @@
+netcdf nczarr2zarr {
+dimensions:
+	d0 = 8 ;
+	d1 = 8 ;
+variables:
+	int v(d0, d1) ;
+		v:_FillValue = -1 ;
+data:
+
+ v =
+  _, _, _, _, _, _, _, _,
+  _, _, _, _, _, _, _, _,
+  _, _, _, _, _, _, _, _,
+  _, _, _, _, _, _, _, _,
+  _, _, _, _, 0, 1, 2, 3,
+  _, _, _, _, 4, 5, 6, 7,
+  _, _, _, _, 8, 9, 10, 11,
+  _, _, _, _, 12, 13, 14, 15 ;
+}
diff --git a/v3_nczarr_test/v3only/ref_nulls_zarr.baseline b/v3_nczarr_test/v3only/ref_nulls_zarr.baseline
new file mode 100644
index 0000000000..8baefe949a
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_nulls_zarr.baseline
@@ -0,0 +1,13 @@
+netcdf ref_nulls {
+variables:
+	int test ;
+		test:nul_sng = 0 ;
+		test:empty_sng = "" ;
+		test:space_sng = " " ;
+		test:zero_sng = "0" ;
+		test:nul0 = 0 ;
+		test:_FillValue = -2147483647 ;
+data:
+
+ test = 1 ;
+}
diff --git a/v3_nczarr_test/v3only/ref_purezarr.cdl b/v3_nczarr_test/v3only/ref_purezarr.cdl
new file mode 100644
index 0000000000..512e9a0510
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_purezarr.cdl
@@ -0,0 +1,13 @@
+netcdf tmp_purezarr {
+dimensions:
+ 	x = 2 ;
+ 	y = 5 ;
+variables:
+	int i(x, y) ;
+		i:_FillValue = -2147483647 ;
+data:
+
+ i =
+  _, _, _, _, _,
+  _, _, _, _, _ ;
+}
diff --git a/v3_nczarr_test/v3only/ref_string_nczarr.baseline b/v3_nczarr_test/v3only/ref_string_nczarr.baseline
new file mode 100644
index 0000000000..6e52bf43f8
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_string_nczarr.baseline
@@ -0,0 +1,24 @@
+netcdf ref_string {
+dimensions:
+	d2 = 2 ;
+variables:
+	char c(d2) ;
+		c:_FillValue = "" ;
+	string v(d2) ;
+ 		string v:_FillValue = "" ;
+	string truncated ;
+ 		string truncated:_FillValue = "" ;
+		truncated:_nczarr_maxstrlen = 4 ;
+
+// global attributes:
+		string :stringattr = "abc", "def" ;
+		:charattr = "ghijkl" ;
+		:_nczarr_default_maxstrlen = 6 ;
+data:
+
+ c = "ab" ;
+
+ v = "uvw", "xyz" ;
+
+ truncated = "0123" ;
+}
diff --git a/v3_nczarr_test/v3only/ref_string_zarr.baseline b/v3_nczarr_test/v3only/ref_string_zarr.baseline
new file mode 100644
index 0000000000..f9b0557b58
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_string_zarr.baseline
@@ -0,0 +1,24 @@
+netcdf ref_string {
+dimensions:
+	d2 = 2 ;
+variables:
+	ubyte c(d2) ;
+		c:_FillValue = 0UB ;
+	string v(d2) ;
+ 		string v:_FillValue = "" ;
+	string truncated ;
+		truncated:_nczarr_maxstrlen = 4 ;
+ 		string truncated:_FillValue = "" ;
+
+// global attributes:
+		string :stringattr = "abc", "def" ;
+		:charattr = "ghijkl" ;
+		:_nczarr_default_maxstrlen = 6 ;
+data:
+
+ c = 97, 98 ;
+
+ v = "uvw", "xyz" ;
+
+ truncated = "0123" ;
+}
diff --git a/v3_nczarr_test/v3only/ref_tst_mud4-bc.cdl b/v3_nczarr_test/v3only/ref_tst_mud4-bc.cdl
new file mode 100644
index 0000000000..9756367b29
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_tst_mud4-bc.cdl
@@ -0,0 +1,189 @@
+netcdf tst_mud4 {
+dimensions:
+	F0 = 1 ;
+	F1 = 2 ;
+	F2 = 3 ;
+	F3 = 5 ;
+	U0 = UNLIMITED ; // (1 currently)
+	U1 = UNLIMITED ; // (2 currently)
+	U2 = UNLIMITED ; // (3 currently)
+	U3 = UNLIMITED ; // (5 currently)
+variables:
+	int ff(F1, F2) ;
+		ff:_FillValue = -2147483647 ;
+	int uf(U1, F2) ;
+		uf:_FillValue = -2147483647 ;
+	int fu(F1, U2) ;
+		fu:_FillValue = -2147483647 ;
+	int uu(U1, U2) ;
+		uu:_FillValue = -2147483647 ;
+	int ufff(U0, F1, F2, F3) ;
+		ufff:_FillValue = -2147483647 ;
+	int uffu(U0, F1, F2, U3) ;
+		uffu:_FillValue = -2147483647 ;
+	int ufuf(U0, F1, U2, F3) ;
+		ufuf:_FillValue = -2147483647 ;
+	int ufuu(U0, F1, U2, U3) ;
+		ufuu:_FillValue = -2147483647 ;
+	int uuff(U0, U1, F2, F3) ;
+		uuff:_FillValue = -2147483647 ;
+	int uufu(U0, U1, F2, U3) ;
+		uufu:_FillValue = -2147483647 ;
+	int uuuf(U0, U1, U2, F3) ;
+		uuuf:_FillValue = -2147483647 ;
+	int uuuu(U0, U1, U2, U3) ;
+		uuuu:_FillValue = -2147483647 ;
+	int ffff(F0, F1, F2, F3) ;
+		ffff:_FillValue = -2147483647 ;
+data:
+
+ ff =
+  // ff(0, 0-2)
+    1, 2, 3,
+  // ff(1, 0-2)
+    4, 5, 6 ;
+
+ uf =
+  // uf(0, 0-2)
+    1, 2, 3,
+  // uf(1, 0-2)
+    4, 5, 6 ;
+
+ fu =
+  {// fu(0, 0-2)
+    1, 2, 3},
+  {// fu(1, 0-2)
+    4, 5, 6} ;
+
+ uu =
+  {// uu(0, 0-2)
+    1, 2, 3},
+  {// uu(1, 0-2)
+    4, 5, 6} ;
+
+ ufff =
+  // ufff(0,0,0, 0-4)
+    1, 2, 3, 4, 5,
+  // ufff(0,0,1, 0-4)
+    6, 7, 8, 9, 10,
+  // ufff(0,0,2, 0-4)
+    11, 12, 13, 14, 15,
+  // ufff(0,1,0, 0-4)
+    16, 17, 18, 19, 20,
+  // ufff(0,1,1, 0-4)
+    21, 22, 23, 24, 25,
+  // ufff(0,1,2, 0-4)
+    26, 27, 28, 29, 30 ;
+
+ uffu =
+  {// uffu(0,0,0, 0-4)
+    1, 2, 3, 4, 5},
+  {// uffu(0,0,1, 0-4)
+    6, 7, 8, 9, 10},
+  {// uffu(0,0,2, 0-4)
+    11, 12, 13, 14, 15},
+  {// uffu(0,1,0, 0-4)
+    16, 17, 18, 19, 20},
+  {// uffu(0,1,1, 0-4)
+    21, 22, 23, 24, 25},
+  {// uffu(0,1,2, 0-4)
+    26, 27, 28, 29, 30} ;
+
+ ufuf =
+  {// ufuf(0,0,0, 0-4)
+    1, 2, 3, 4, 5,
+  // ufuf(0,0,1, 0-4)
+    6, 7, 8, 9, 10,
+  // ufuf(0,0,2, 0-4)
+    11, 12, 13, 14, 15},
+  {// ufuf(0,1,0, 0-4)
+    16, 17, 18, 19, 20,
+  // ufuf(0,1,1, 0-4)
+    21, 22, 23, 24, 25,
+  // ufuf(0,1,2, 0-4)
+    26, 27, 28, 29, 30} ;
+
+ ufuu =
+  {{// ufuu(0,0,0, 0-4)
+    1, 2, 3, 4, 5},
+  {// ufuu(0,0,1, 0-4)
+    6, 7, 8, 9, 10},
+  {// ufuu(0,0,2, 0-4)
+    11, 12, 13, 14, 15}},
+  {{// ufuu(0,1,0, 0-4)
+    16, 17, 18, 19, 20},
+  {// ufuu(0,1,1, 0-4)
+    21, 22, 23, 24, 25},
+  {// ufuu(0,1,2, 0-4)
+    26, 27, 28, 29, 30}} ;
+
+ uuff =
+  {// uuff(0,0,0, 0-4)
+    1, 2, 3, 4, 5,
+  // uuff(0,0,1, 0-4)
+    6, 7, 8, 9, 10,
+  // uuff(0,0,2, 0-4)
+    11, 12, 13, 14, 15,
+  // uuff(0,1,0, 0-4)
+    16, 17, 18, 19, 20,
+  // uuff(0,1,1, 0-4)
+    21, 22, 23, 24, 25,
+  // uuff(0,1,2, 0-4)
+    26, 27, 28, 29, 30} ;
+
+ uufu =
+  {{// uufu(0,0,0, 0-4)
+    1, 2, 3, 4, 5},
+  {// uufu(0,0,1, 0-4)
+    6, 7, 8, 9, 10},
+  {// uufu(0,0,2, 0-4)
+    11, 12, 13, 14, 15},
+  {// uufu(0,1,0, 0-4)
+    16, 17, 18, 19, 20},
+  {// uufu(0,1,1, 0-4)
+    21, 22, 23, 24, 25},
+  {// uufu(0,1,2, 0-4)
+    26, 27, 28, 29, 30}} ;
+
+ uuuf =
+  {{// uuuf(0,0,0, 0-4)
+    1, 2, 3, 4, 5,
+  // uuuf(0,0,1, 0-4)
+    6, 7, 8, 9, 10,
+  // uuuf(0,0,2, 0-4)
+    11, 12, 13, 14, 15},
+  {// uuuf(0,1,0, 0-4)
+    16, 17, 18, 19, 20,
+  // uuuf(0,1,1, 0-4)
+    21, 22, 23, 24, 25,
+  // uuuf(0,1,2, 0-4)
+    26, 27, 28, 29, 30}} ;
+
+ uuuu =
+  {{{// uuuu(0,0,0, 0-4)
+    1, 2, 3, 4, 5},
+  {// uuuu(0,0,1, 0-4)
+    6, 7, 8, 9, 10},
+  {// uuuu(0,0,2, 0-4)
+    11, 12, 13, 14, 15}},
+  {{// uuuu(0,1,0, 0-4)
+    16, 17, 18, 19, 20},
+  {// uuuu(0,1,1, 0-4)
+    21, 22, 23, 24, 25},
+  {// uuuu(0,1,2, 0-4)
+    26, 27, 28, 29, 30}}} ;
+
+ ffff =
+  // ffff(0,0,0, 0-4)
+    1, 2, 3, 4, 5,
+  // ffff(0,0,1, 0-4)
+    6, 7, 8, 9, 10,
+  // ffff(0,0,2, 0-4)
+    11, 12, 13, 14, 15,
+  // ffff(0,1,0, 0-4)
+    16, 17, 18, 19, 20,
+  // ffff(0,1,1, 0-4)
+    21, 22, 23, 24, 25,
+  // ffff(0,1,2, 0-4)
+    26, 27, 28, 29, 30 ;
+}
diff --git a/v3_nczarr_test/v3only/ref_tst_mud4.cdl b/v3_nczarr_test/v3only/ref_tst_mud4.cdl
new file mode 100644
index 0000000000..2004607cb3
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_tst_mud4.cdl
@@ -0,0 +1,127 @@
+netcdf tst_mud4 {
+dimensions:
+	F0 = 1 ;
+	F1 = 2 ;
+	F2 = 3 ;
+	F3 = 5 ;
+	U0 = UNLIMITED ; // (1 currently)
+	U1 = UNLIMITED ; // (2 currently)
+	U2 = UNLIMITED ; // (3 currently)
+	U3 = UNLIMITED ; // (5 currently)
+variables:
+	int ff(F1, F2) ;
+		ff:_FillValue = -2147483647 ;
+	int uf(U1, F2) ;
+		uf:_FillValue = -2147483647 ;
+	int fu(F1, U2) ;
+		fu:_FillValue = -2147483647 ;
+	int uu(U1, U2) ;
+		uu:_FillValue = -2147483647 ;
+	int ufff(U0, F1, F2, F3) ;
+		ufff:_FillValue = -2147483647 ;
+	int uffu(U0, F1, F2, U3) ;
+		uffu:_FillValue = -2147483647 ;
+	int ufuf(U0, F1, U2, F3) ;
+		ufuf:_FillValue = -2147483647 ;
+	int ufuu(U0, F1, U2, U3) ;
+		ufuu:_FillValue = -2147483647 ;
+	int uuff(U0, U1, F2, F3) ;
+		uuff:_FillValue = -2147483647 ;
+	int uufu(U0, U1, F2, U3) ;
+		uufu:_FillValue = -2147483647 ;
+	int uuuf(U0, U1, U2, F3) ;
+		uuuf:_FillValue = -2147483647 ;
+	int uuuu(U0, U1, U2, U3) ;
+		uuuu:_FillValue = -2147483647 ;
+	int ffff(F0, F1, F2, F3) ;
+		ffff:_FillValue = -2147483647 ;
+data:
+
+ ff =
+  1, 2, 3,
+  4, 5, 6 ;
+
+ uf =
+  1, 2, 3,
+  4, 5, 6 ;
+
+ fu =
+  {1, 2, 3},
+  {4, 5, 6} ;
+
+ uu =
+  {1, 2, 3},
+  {4, 5, 6} ;
+
+ ufff =
+  1, 2, 3, 4, 5,
+  6, 7, 8, 9, 10,
+  11, 12, 13, 14, 15,
+  16, 17, 18, 19, 20,
+  21, 22, 23, 24, 25,
+  26, 27, 28, 29, 30 ;
+
+ uffu =
+  {1, 2, 3, 4, 5},
+  {6, 7, 8, 9, 10},
+  {11, 12, 13, 14, 15},
+  {16, 17, 18, 19, 20},
+  {21, 22, 23, 24, 25},
+  {26, 27, 28, 29, 30} ;
+
+ ufuf =
+  {1, 2, 3, 4, 5,
+  6, 7, 8, 9, 10,
+  11, 12, 13, 14, 15},
+  {16, 17, 18, 19, 20,
+  21, 22, 23, 24, 25,
+  26, 27, 28, 29, 30} ;
+
+ ufuu =
+  {{1, 2, 3, 4, 5},
+  {6, 7, 8, 9, 10},
+  {11, 12, 13, 14, 15}},
+  {{16, 17, 18, 19, 20},
+  {21, 22, 23, 24, 25},
+  {26, 27, 28, 29, 30}} ;
+
+ uuff =
+  {1, 2, 3, 4, 5,
+  6, 7, 8, 9, 10,
+  11, 12, 13, 14, 15,
+  16, 17, 18, 19, 20,
+  21, 22, 23, 24, 25,
+  26, 27, 28, 29, 30} ;
+
+ uufu =
+  {{1, 2, 3, 4, 5},
+  {6, 7, 8, 9, 10},
+  {11, 12, 13, 14, 15},
+  {16, 17, 18, 19, 20},
+  {21, 22, 23, 24, 25},
+  {26, 27, 28, 29, 30}} ;
+
+ uuuf =
+  {{1, 2, 3, 4, 5,
+  6, 7, 8, 9, 10,
+  11, 12, 13, 14, 15},
+  {16, 17, 18, 19, 20,
+  21, 22, 23, 24, 25,
+  26, 27, 28, 29, 30}} ;
+
+ uuuu =
+  {{{1, 2, 3, 4, 5},
+  {6, 7, 8, 9, 10},
+  {11, 12, 13, 14, 15}},
+  {{16, 17, 18, 19, 20},
+  {21, 22, 23, 24, 25},
+  {26, 27, 28, 29, 30}}} ;
+
+ ffff =
+  1, 2, 3, 4, 5,
+  6, 7, 8, 9, 10,
+  11, 12, 13, 14, 15,
+  16, 17, 18, 19, 20,
+  21, 22, 23, 24, 25,
+  26, 27, 28, 29, 30 ;
+}
diff --git a/v3_nczarr_test/v3only/ref_tst_mud4_chars.cdl b/v3_nczarr_test/v3only/ref_tst_mud4_chars.cdl
new file mode 100644
index 0000000000..ca1d27f7a8
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_tst_mud4_chars.cdl
@@ -0,0 +1,127 @@
+netcdf tst_mud4_chars {
+dimensions:
+	F1 = 1 ;
+	F2 = 2 ;
+	F3 = 3 ;
+	F5 = 5 ;
+	U1 = UNLIMITED ; // (1 currently)
+	U2 = UNLIMITED ; // (2 currently)
+	U3 = UNLIMITED ; // (3 currently)
+	U5 = UNLIMITED ; // (5 currently)
+variables:
+	char ff(F2, F3) ;
+		ff:_FillValue = "" ;
+	char uf(U2, F3) ;
+		uf:_FillValue = "" ;
+	char fu(F2, U3) ;
+		fu:_FillValue = "" ;
+	char uu(U2, U3) ;
+		uu:_FillValue = "" ;
+	char ufff(U1, F2, F3, F5) ;
+		ufff:_FillValue = "" ;
+	char uffu(U1, F2, F3, U5) ;
+		uffu:_FillValue = "" ;
+	char ufuf(U1, F2, U3, F5) ;
+		ufuf:_FillValue = "" ;
+	char ufuu(U1, F2, U3, U5) ;
+		ufuu:_FillValue = "" ;
+	char uuff(U1, U2, F3, F5) ;
+		uuff:_FillValue = "" ;
+	char uufu(U1, U2, F3, U5) ;
+		uufu:_FillValue = "" ;
+	char uuuf(U1, U2, U3, F5) ;
+		uuuf:_FillValue = "" ;
+	char uuuu(U1, U2, U3, U5) ;
+		uuuu:_FillValue = "" ;
+	char ffff(F1, F2, F3, F5) ;
+		ffff:_FillValue = "" ;
+data:
+
+ ff =
+  "abc",
+  "def" ;
+
+ uf =
+  "abc",
+  "def" ;
+
+ fu =
+  {"efg"},
+  {"hij"} ;
+
+ uu =
+  {"efg"},
+  {"hij"} ;
+
+ ufff =
+  "efghi",
+  "jklmJ",
+  "KLMNO",
+  "PQRST",
+  "UVWXY",
+  "Zabcd" ;
+
+ uffu =
+  {"efghi"},
+  {"jklmJ"},
+  {"KLMNO"},
+  {"PQRST"},
+  {"UVWXY"},
+  {"Zabcd"} ;
+
+ ufuf =
+  {"efghi",
+  "jklmJ",
+  "KLMNO"},
+  {"PQRST",
+  "UVWXY",
+  "Zabcd"} ;
+
+ ufuu =
+  {{"efghi"},
+  {"jklmJ"},
+  {"KLMNO"}},
+  {{"PQRST"},
+  {"UVWXY"},
+  {"Zabcd"}} ;
+
+ uuff =
+  {"efghi",
+  "jklmJ",
+  "KLMNO",
+  "PQRST",
+  "UVWXY",
+  "Zabcd"} ;
+
+ uufu =
+  {{"efghi"},
+  {"jklmJ"},
+  {"KLMNO"},
+  {"PQRST"},
+  {"UVWXY"},
+  {"Zabcd"}} ;
+
+ uuuf =
+  {{"efghi",
+  "jklmJ",
+  "KLMNO"},
+  {"PQRST",
+  "UVWXY",
+  "Zabcd"}} ;
+
+ uuuu =
+  {{{"efghi"},
+  {"jklmJ"},
+  {"KLMNO"}},
+  {{"PQRST"},
+  {"UVWXY"},
+  {"Zabcd"}}} ;
+
+ ffff =
+  "efghi",
+  "jklmJ",
+  "KLMNO",
+  "PQRST",
+  "UVWXY",
+  "Zabcd" ;
+}
diff --git a/v3_nczarr_test/v3only/ref_tst_nans.cdl b/v3_nczarr_test/v3only/ref_tst_nans.cdl
new file mode 100644
index 0000000000..d7854c0b20
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_tst_nans.cdl
@@ -0,0 +1,16 @@
+netcdf ref_tst_nans {
+dimensions:
+	dim = 3 ;
+variables:
+	double dvar(dim) ;
+		dvar:_FillValue = NaN ;
+		dvar:datt = -Infinity, NaN, Infinity ;
+	float fvar(dim) ;
+		fvar:_FillValue = NaNf ;
+		fvar:fatt = -Infinityf, NaNf, Infinityf ;
+data:
+
+ dvar = -Infinity, _, Infinity ;
+
+ fvar = -Infinityf, _, Infinityf ;
+}
diff --git a/v3_nczarr_test/v3only/ref_xarray.cdl b/v3_nczarr_test/v3only/ref_xarray.cdl
new file mode 100644
index 0000000000..9689897b4d
--- /dev/null
+++ b/v3_nczarr_test/v3only/ref_xarray.cdl
@@ -0,0 +1,13 @@
+netcdf tmp_xarray {
+dimensions:
+	x = 2 ;
+	y = 5 ;
+variables:
+	int i(x, y) ;
+		i:_FillValue = -2147483647 ;
+data:
+
+ i =
+  _, _, _, _, _,
+  _, _, _, _, _ ;
+}
diff --git a/v3_nczarr_test/v3only/ref_zarr_test_data_2d.cdl.gz b/v3_nczarr_test/v3only/ref_zarr_test_data_2d.cdl.gz
new file mode 100644
index 0000000000000000000000000000000000000000..91ada31bc071337bd524f2fff4beaeab8a962f60
GIT binary patch
literal 379
zcmV->0fhb^iwFpE&Y@)h19D|%UwUD3a$j_1b97&1VRT_%GGs1eWNZNKm0wH4Fcig~
zn@@4slR{von}1f>gE0IWA+xOubV*55WtDw*Pg-&6I%dVkzO*6tcMi$DrN?CcDb1--
z&PktDUZ%<`dSj{HW~S2CR0)gZgRy3}wRI&|dMo2AS`r@jj6FMBmkG5m`KtX!LRdjh
z^rD<r>mq{zQKXFzJ7RTlWOfOo0}=NSoX&`5zZ0GHng7}6q;=?L!m#KrM@uY03r;bo
z8K*g?Yfd+uZaLj?TA&ols0#oBga9JI2tWdq045fE^cj6dpV4RZ`B$Izr@g1?v<tPL
z(bgAv%6r$BdDX@`PX?))r9(sQQCgQ~P9m4pZiqPgrcBn#A*?5=EODyI38VpXXk0Ip
zTMK9&cg4K0%2TPF*Q$`YE($T^jK}hLxV$#n=wP6m0quqUbF^V@dR_aEaYact)36<S
ZhAU6LMEI$%qMbh5vv(TDD;Y`&005&hv%~-Z

literal 0
HcmV?d00001

diff --git a/v3_nczarr_test/v3only/run_mud.sh b/v3_nczarr_test/v3only/run_mud.sh
new file mode 100644
index 0000000000..9d523dd438
--- /dev/null
+++ b/v3_nczarr_test/v3only/run_mud.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+# This file is derived from ncdump/tst_mud.sh
+TESTNCZARR=1
+
+if test "x$srcdir" = x ; then srcdir=`pwd`; fi 
+. ../test_common.sh
+
+# This shell script tests ncdump and ncgen on netCDF-4 variables with multiple 
+# unlimited dimensions.
+
+set -e
+
+if test "x$TESTNCZARR" = x1 ; then
+. ${builddir}/test_nczarr.sh
+s3isolate "testdir_mud4"
+else
+isolate "testdir_mud4"
+ISOPATH=`pwd`
+fi
+THISDIR=`pwd`
+cd $ISOPATH
+
+echo ""
+echo "*** Testing ncdump output for multiple unlimited dimensions"
+
+# This is where the ref files are kept
+refdir="${srcdir}"
+
+testcase() {
+zext=$1
+
+if test "x$TESTNCZARR" = x1 ; then
+fileargs "tmp_mud4_${zext}"
+deletemap $zext $file
+file="$fileurl"
+else
+file="tmp_mud4_${zext}.nc"
+rm -f $file
+fi
+
+echo "*** creating netcdf file $file from ref_tst_mud4.cdl ..."
+${NCGEN} -4 -b -o $file $refdir/ref_tst_mud4.cdl
+echo "*** creating tmp_mud4.cdl from $file ..."
+${NCDUMP} -n tst_mud4 $file > tmp_mud4.cdl
+# echo "*** comparing tst_mud4.cdl with ref_tst_mud4.cdl..."
+diff -b tmp_mud4.cdl $refdir/ref_tst_mud4.cdl
+# echo "*** comparing annotation from ncdump -bc $file with expected output..."
+${NCDUMP} -n tst_mud4 -bc $file > tmp_mud4-bc.cdl
+diff -b tmp_mud4-bc.cdl $refdir/ref_tst_mud4-bc.cdl
+
+# Now test with char arrays instead of ints
+if test "x$TESTNCZARR" = x1 ; then
+fileargs "tmp_mud4_chars${zext}"
+deletemap $zext $file
+file="$fileurl"
+else
+file="tmp_mud4_chars${zext}.nc"
+rm -f $file
+fi
+echo "*** creating netcdf file $file from ref_tst_mud4_chars.cdl ..."
+${NCGEN} -4 -b -o $file $refdir/ref_tst_mud4_chars.cdl
+echo "*** creating ${file}.cdl from $file ..."
+${NCDUMP} -n tst_mud4_chars $file > tmp_mud4_chars.cdl
+# echo "*** comparing tmp_mud4_chars.cdl with ref_tst_mud4_chars.cdl..."
+diff -b tmp_mud4_chars.cdl $refdir/ref_tst_mud4_chars.cdl
+if test 1 = 0 ; then
+  # unused
+  echo "*** comparing annotation from ncdump -bc tst_mud4_chars.nc with expected output..."
+  ${NCDUMP} -n tst_mud4_chars -bc $file > tmp_mud4_chars-bc.cdl
+  diff -b tmp_mud4_chars-bc.cdl $refdir/ref_tst_mud4_chars-bc.cdl
+  echo "*** All ncdump test output for multiple unlimited dimensions passed!"
+fi
+}
+
+if test "x$TESTNCZARR" = x1 ; then
+    testcase file
+    if test "x$FEATURE_NCZARR_ZIP" = xyes ; then testcase zip ; fi
+    if test "x$FEATURE_S3TESTS" = xyes ; then testcase s3 ; fi
+else
+    testcase nc
+fi
+
+exit 0
diff --git a/v3_nczarr_test/v3only/run_nan.sh b/v3_nczarr_test/v3only/run_nan.sh
new file mode 100644
index 0000000000..d4bd8f4429
--- /dev/null
+++ b/v3_nczarr_test/v3only/run_nan.sh
@@ -0,0 +1,60 @@
+#!/bin/sh
+# Tests for ncgen4 using list of test cdl files from the cdl4
+# directory, and comparing output to expected results in the expected4
+# directory. Note that these tests are run for classic files in
+# test_ncgen4_classic.sh
+# Dennis Heimbigner
+
+if test "x$srcdir" = x ; then srcdir=`pwd`; fi
+. ../test_common.sh
+
+. "${builddir}/test_nczarr.sh"
+
+# Isolate both test and S3
+s3isolate "testdir_nan"
+THISDIR=`pwd`
+cd $ISOPATH
+
+set -e
+
+# Functions
+
+# Remove fillvalue attribute since zarr generates it when hdf5 does not
+fvclean() {
+    cat $1 \
+ 	| sed -e '/:_FillValue/d' \
+	| cat > $2
+}
+
+difftest() {
+echo ""; echo "*** Test zext=$zext"
+for t in tst_nans ; do
+   echo "*** Testing: ${t}"
+   # determine if we need the specflag set
+   # determine properties
+   checkprops ${t}
+   ref="ref_${t}"
+   rm -fr ${t}.$zext
+   rm -f tmp_${t}.dmp
+   fileargs $t
+   ${NCGEN} -4 -lb -o ${fileurl} ${srcdir}/${ref}.cdl
+${ZMD} -h -t float ${fileurl}
+   ${NCDUMP} ${headflag} ${specflag} -n ${ref} ${fileurl} > tmp_${t}.dmp
+   # compare against expected
+   diff -b -w ${srcdir}/${ref}.cdl ./tmp_${t}.dmp
+   echo "*** SUCCEED: ${t}"
+done
+}
+
+runtestset() {
+extfor $1
+echo "*** Testing nans for Zarr Format 3 for nczarr X ncgen with zmap=${zext}"
+difftest
+echo "*** PASSED: zext=${zext}"
+}
+
+runtestset file
+if test "x$FEATURE_NCZARR_ZIP" = xyes ; then runtestset zip; fi
+if test "x$FEATURE_S3TESTS" = xyes ; then runtestset s3; fi
+
+echo "*** PASSED ***"