add OER INTEGER constraint check
diff --git a/tests/135-oer-long-OK.asn1 b/tests/135-oer-long-OK.asn1
new file mode 100644
index 0000000..2645bba
--- /dev/null
+++ b/tests/135-oer-long-OK.asn1
@@ -0,0 +1,30 @@
+
+-- OK: Everything is fine
+-- Also see .127 for narrower integer types.
+
+-- iso.org.dod.internet.private.enterprise (1.3.6.1.4.1)
+-- .spelio.software.asn1c.test (9363.1.5.1)
+-- .134
+
+ModuleOERLong
+ { iso org(3) dod(6) internet (1) private(4) enterprise(1)
+ spelio(9363) software(1) asn1c(5) test(1) 135 }
+ DEFINITIONS AUTOMATIC TAGS ::=
+BEGIN
+
+ -- Supported only on 64-bit platforms.
+ T ::= SEQUENCE {
+ unsigned8 INTEGER (0..255), -- OER 1 byte
+ unsigned16 INTEGER (0..65535), -- OER 2 bytes
+ unsigned16stack INTEGER (0..32767)(0..255), -- OER 1 byte
+ unsigned16stack-ext INTEGER (0..32767)(0..255,...), -- OER 2 bytes
+ unsigned33 INTEGER (0..5000000000), -- OER 8 bytes
+ signed8 INTEGER (-128..127), -- OER 1 byte
+ signed16 INTEGER (-32768..32767), -- OER 2 bytes
+ signed16stack INTEGER (-32768..32767)(-128..127), -- OER 1 byte
+ signed16stack-ext INTEGER (-32768..32767)(-128..127,...), -- OER 2 b
+ signed32 INTEGER (-2000000000..2000000000), -- OER 4 bytes
+ signed33ext INTEGER (-4000000000..4000000000,...) -- OER vrble
+ }
+
+END