'
+test_expect_success 'remove' '
+
+test_oidmap "put one 1
+put two 2
+put three 3
+remove one
+remove two
+remove invalidOid
+remove four" "NULL
+NULL
+NULL
+1
+2
+Unknown oid: invalidOid
+NULL"
+
+'
+
test_expect_success 'iterate' '
test_oidmap "put one 1