diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index dc0d5e75..cdf0d3af 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -24,6 +24,7 @@ endfunction()
 
 # Copy test data file into buiild directory for testing.
 copy_test_data(gdaswave.t00z.wcoast.0p16.f000.grib2)
+copy_test_data(ref_gdaswave.t00z.wcoast.0p16.f000.grib2.inv)
 
 # Run these shell tests.
 shell_test(run_wgrib2_tests)
diff --git a/tests/data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2.inv b/tests/data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2.inv
new file mode 100644
index 00000000..ec7e94d5
--- /dev/null
+++ b/tests/data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2.inv
@@ -0,0 +1,19 @@
+1:0:d=2021113000:WIND:surface:anl:
+2:15254:d=2021113000:WDIR:surface:anl:
+3:37897:d=2021113000:UGRD:surface:anl:
+4:53794:d=2021113000:VGRD:surface:anl:
+5:69064:d=2021113000:HTSGW:surface:anl:
+6:79482:d=2021113000:PERPW:surface:anl:
+7:91308:d=2021113000:DIRPW:surface:anl:
+8:108541:d=2021113000:WVHGT:surface:anl:
+9:116716:d=2021113000:SWELL:1 in sequence:anl:
+10:128832:d=2021113000:SWELL:2 in sequence:anl:
+11:140848:d=2021113000:SWELL:3 in sequence:anl:
+12:151732:d=2021113000:WVPER:surface:anl:
+13:161021:d=2021113000:SWPER:1 in sequence:anl:
+14:173676:d=2021113000:SWPER:2 in sequence:anl:
+15:189425:d=2021113000:SWPER:3 in sequence:anl:
+16:205285:d=2021113000:WVDIR:surface:anl:
+17:218263:d=2021113000:SWDIR:1 in sequence:anl:
+18:237035:d=2021113000:SWDIR:2 in sequence:anl:
+19:259223:d=2021113000:SWDIR:3 in sequence:anl:
diff --git a/tests/run_wgrib2_tests.sh b/tests/run_wgrib2_tests.sh
index f050c098..7848825d 100644
--- a/tests/run_wgrib2_tests.sh
+++ b/tests/run_wgrib2_tests.sh
@@ -15,8 +15,9 @@ ls -l ../wgrib2
 
 # Run an inventory on a test file. This does not work.
 #echo "*** testing inventory of gdaswave.t00z.wcoast.0p16.f000.grib2..."
-./wgrib2 ../tests/data/gdaswave.t00z.wcoast.0p16.f000.grib2 > tmp.txt
+../wgrib2/wgrib2 data/gdaswave.t00z.wcoast.0p16.f000.grib2 > tmp.txt
 cat tmp.txt
+cmp tmp.txt data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2.inv
 
 echo "*** SUCCESS!"
 exit 0