Make n2n option work for enumerated types without extension

markers. Add test enumeration types for testing n2n option
when using the name2num and num2name functions on an
enumeration value not in the extension root of an
enumeration type with extension marker.

2 files changed, 39 insertions, 0 deletions

diff --git a/lib/asn1/test/asn1_SUITE.erl b/lib/asn1/test/asn1_SUITE.erl
index 3b9a7532c0..10b929b2a9 100644
--- a/lib/asn1/test/asn1_SUITE.erl
+++ b/lib/asn1/test/asn1_SUITE.erl
@@ -1236,6 +1236,20 @@ testName2Number(Config) ->
 
     0 = 'S1AP-IEs':name2num_CauseMisc('control-processing-overload'),
     'unknown-PLMN' = 'S1AP-IEs':num2name_CauseMisc(5),
+
+    %% OTP-10144
+    %% Test that n2n option generates name2num and num2name functions that
+    %% do not crash on values not within the extension root if the enumeration
+    %% type has an extension marker.
+    %% Also, previously name2num and num2name was only generated if the type
+    %% had an extension marker. So we also tests to check this.
+    N2NOptionsExt = [{n2n, 'NoExt'}, {n2n, 'Ext'}, {n2n, 'Ext2'}],
+    asn1_test_lib:compile("EnumN2N", Config, N2NOptionsExt),
+    0 = 'EnumN2N':name2num_NoExt('blue'),
+    2 = 'EnumN2N':name2num_NoExt('green'),
+    blue = 'EnumN2N':num2name_NoExt(0),
+    green = 'EnumN2N':num2name_NoExt(2),
+    
     ok.
 
 ticket_7407(Config) ->
diff --git a/lib/asn1/test/asn1_SUITE_data/EnumN2N.asn1 b/lib/asn1/test/asn1_SUITE_data/EnumN2N.asn1
new file mode 100644
index 0000000000..a724f2f3f5
--- /dev/null
+++ b/lib/asn1/test/asn1_SUITE_data/EnumN2N.asn1
@@ -0,0 +1,25 @@
+EnumN2N DEFINITIONS AUTOMATIC TAGS ::=
+BEGIN
+
+NoExt ::= ENUMERATED {
+	blue(0),
+	red(1),
+	green(2)
+}
+
+Ext ::= ENUMERATED {
+	blue(0),
+	red(1),
+	green(2),
+	...
+}
+
+Ext2 ::= ENUMERATED {
+	blue(0),
+	red(1),
+	green(2),
+	...,
+	orange(7)
+}
+
+END