diff --git a/tests/80-chardefs-OK.asn1 b/tests/80-chardefs-OK.asn1
new file mode 100644
index 0000000..52b0eda
--- /dev/null
+++ b/tests/80-chardefs-OK.asn1
@@ -0,0 +1,25 @@
+
+-- OK: Everything is fine
+
+-- iso.org.dod.internet.private.enterprise (1.3.6.1.4.1)
+-- .spelio.software.asn1c.test (9363.1.5.1)
+-- .80
+
+ModuleCharacterDefinitions
+	{ iso org(3) dod(6) internet(1) private(4) enterprise(1)
+		spelio(9363) software(1) asn1c(5) test(1) 80 }
+	DEFINITIONS ::=
+BEGIN
+	-- Elements taken from ASN1-CHARACTER-MODULE (X.680:07/2002)
+	-- { joint-iso-itu-t asn1(1) specification(0) modules(0) iso10646(0) }
+	nul IA5String ::= {0, 0}
+	null BMPString ::= {0, 0, 0, 0}
+	space BMPString ::= {0, 0, 0, 32}
+	tilde BMPString ::= {0, 0, 0, 126}
+
+	BasicLatin ::= BMPString(FROM (space..tilde))
+	BasicGreek ::= BMPString(FROM ({0, 0, 3, 112}..{0, 0, 3, 207}))
+
+	NotSpace ::= BMPString (FROM(ALL EXCEPT space))
+
+END