testing optional component of a sequence

2 files changed, 70 insertions, 1 deletions

diff --git a/asn1c/tests/check-32.c b/asn1c/tests/check-32.c
index 49ad2d60..0fdbee9f 100644
--- a/asn1c/tests/check-32.c
+++ b/asn1c/tests/check-32.c
@@ -6,19 +6,78 @@
 #include <assert.h>
 
 #include <Programming.h>
+#include <SeqWithMandatory.h>
+#include <SeqWithOptional.h>
 
 int
 main(int ac, char **av) {
 	Programming_t p;
+	SeqWithMandatory_t swm;
+	SeqWithOptional_t *swo = 0;
+	Error_t *err;
+	asn_enc_rval_t erv;
+	asn_dec_rval_t drv;
+	char buf[128];
+	size_t bufsize = sizeof(buf);
 
 	(void)ac;	/* Unused argument */
 	(void)av;	/* Unused argument */
 
+	/*
+	 * No plans to fill Programming_t up:
+	 * just checking whether it compiles or not.
+	 */
 	memset(&p, 0, sizeof(p));
 
 	/*
-	 * No plans to fill it up: just checking whether it compiles or not.
+	 * Construct a dummy sequence:
+	 * SeqWithMandatory ::= {
+	 * 	seqOfMan [0] EXPLICIT SEQUENCE OF Error
+	 * }
 	 */
+	err = calloc(1, sizeof *err);
+	memset(&swm, 0, sizeof swm);
+	OCTET_STRING_fromBuf(&swm.someString, "Oley", 4);
+	ASN_SEQUENCE_ADD(&swm.seqOfMan, err);
+
+	/*
+	 * Encode the sequence.
+	 */
+	erv = der_encode_to_buffer(&asn_DEF_SeqWithMandatory,
+			&swm, buf, &bufsize);
+	assert(erv.encoded == bufsize);
+
+	/*
+	 * Try to decode it using a compatible type.
+	 */
+	drv = ber_decode(0, &asn_DEF_SeqWithOptional, (void **)&swo,
+			buf, bufsize);
+	assert(drv.code == RC_OK);
+	assert(drv.consumed == bufsize);
+	assert(swo->seqOfOpt != 0);
+
+	xer_fprint(stderr, &asn_DEF_SeqWithOptional, swo);
+	swo->seqOfOpt = 0;
+
+	bufsize = sizeof(buf);
+	erv = der_encode_to_buffer(&asn_DEF_SeqWithOptional,
+			swo, buf, &bufsize);
+	assert(erv.encoded == bufsize);
+
+	swo = 0;
+	drv = ber_decode(0, &asn_DEF_SeqWithMandatory, (void **)&swo,
+			buf, bufsize);
+	assert(drv.code != RC_OK);
+	swo = 0;
+	drv = ber_decode(0, &asn_DEF_SeqWithOptional, (void **)&swo,
+			buf, bufsize);
+	assert(drv.code == RC_OK);
+	assert(drv.consumed == bufsize);
+	assert(swo->seqOfOpt == 0);
+
+	xer_fprint(stderr, &asn_DEF_SeqWithOptional, swo);
+
+	printf("Finished\n");
 
 	return 0;
 }
diff --git a/tests/32-sequence-of-OK.asn1 b/tests/32-sequence-of-OK.asn1
index 2b82127f..467e5bd1 100644
--- a/tests/32-sequence-of-OK.asn1
+++ b/tests/32-sequence-of-OK.asn1
@@ -21,4 +21,14 @@ BEGIN
 
 	maxSize INTEGER ::= 10
 
+	SeqWithMandatory ::= SEQUENCE {
+		someString UTF8String,
+		seqOfMan [0] EXPLICIT SEQUENCE OF Error
+	}
+
+	SeqWithOptional ::= SEQUENCE {
+		someString UTF8String,
+		seqOfOpt [0] EXPLICIT SEQUENCE OF Error OPTIONAL
+	}
+
 END