verify value range constraints for OER
diff --git a/tests/138-oer-constraints-OK.asn1 b/tests/138-oer-constraints-OK.asn1
new file mode 100644
index 0000000..6ea3991
--- /dev/null
+++ b/tests/138-oer-constraints-OK.asn1
@@ -0,0 +1,22 @@
+
+-- OK: Everything is fine
+
+-- iso.org.dod.internet.private.enterprise (1.3.6.1.4.1)
+-- .spelio.software.asn1c.test (9363.1.5.1)
+-- .138
+
+ModuleOERConstraints
+ { iso org(3) dod(6) internet (1) private(4) enterprise(1)
+ spelio(9363) software(1) asn1c(5) test(1) 138 }
+ DEFINITIONS IMPLICIT TAGS ::=
+BEGIN
+
+ A-noc ::= INTEGER -- No constraints
+ B-vis ::= INTEGER (0) -- Value constraint
+ C-vis ::= INTEGER (-1..1) -- Value range constraint
+ D-inv ::= INTEGER (0..10,...) -- Extensible, not OER-visible
+ E-vis ::= INTEGER (0..10,...)(2..5) -- OER-visible constraint 2..5
+ F-inv ::= INTEGER (0..10,...)(2..5,...) -- Not OER-visible
+ G-vis ::= INTEGER (0..10,...)(2..5,...)(3) -- OER-visible constraint 3
+
+END