tests: add a simple gtpie_getie() test

Change-Id: I5cd45d752592c7133d4452f4e4986783fb17e256
---
M tests/gtp/gtpie_test.c
M tests/gtp/gtpie_test.ok
2 files changed, 44 insertions(+), 1 deletion(-)


git pull ssh://gerrit.osmocom.org:29418/osmo-ggsn refs/changes/90/40590/1

diff --git a/tests/gtp/gtpie_test.c b/tests/gtp/gtpie_test.c
index 46c0a98..fe82655 100644
--- a/tests/gtp/gtpie_test.c
+++ b/tests/gtp/gtpie_test.c
@@ -108,6 +108,46 @@
 	OSMO_ASSERT(osmo_load32be(&buf[5]) == 0x04050607);
 }
 
+static void test_gtpie_getie()
+{
+  union gtpie_member *ie[GTPIE_SIZE] = {};
+  union gtpie_member ie_elem[3] = {};
+
+	printf("Testing gtpie_getie()\n");
+
+  /* Empty ie should always return -1 */
+  OSMO_ASSERT(gtpie_getie(ie, 0, 0) == -1);
+  OSMO_ASSERT(gtpie_getie(ie, 0, 1) == -1);
+
+  OSMO_ASSERT(gtpie_getie(ie, GTPIE_ENODEB_ID, 0) == -1);
+  OSMO_ASSERT(gtpie_getie(ie, GTPIE_ENODEB_ID, 1) == -1);
+
+  ie_elem[0].tv1.t = GTPIE_CAUSE;
+  ie_elem[0].tv1.v = GTPIE_CAUSE;
+  ie[0] = &ie_elem[0];
+
+  OSMO_ASSERT(gtpie_getie(ie, GTPIE_CAUSE, 0) == 0);
+  OSMO_ASSERT(gtpie_getie(ie, GTPIE_CAUSE, 1) == -1);
+
+
+  ie_elem[1].tv1.t = GTPIE_CAUSE;
+  ie_elem[1].tv1.v = GTPIE_CAUSE;
+  ie[2] = &ie_elem[0];
+
+  OSMO_ASSERT(gtpie_getie(ie, GTPIE_CAUSE, 0) == 0);
+  OSMO_ASSERT(gtpie_getie(ie, GTPIE_CAUSE, 1) == 2);
+
+
+  ie_elem[2].tv1.t = GTPIE_CAUSE;
+  ie_elem[2].tv1.v = GTPIE_CAUSE;
+  ie[GTPIE_SIZE - 1] = &ie_elem[0];
+
+  OSMO_ASSERT(gtpie_getie(ie, GTPIE_CAUSE, 0) == 0);
+  OSMO_ASSERT(gtpie_getie(ie, GTPIE_CAUSE, 1) == 2);
+  OSMO_ASSERT(gtpie_getie(ie, GTPIE_CAUSE, 2) == GTPIE_SIZE - 1);
+}
+
+
 int main(int argc, char **argv)
 {
 	void *tall_ctx = talloc_named_const(NULL, 1, "Root context");
@@ -125,9 +165,11 @@
 	test_gtpie_tv4();
 	test_gtpie_tv8();
 
+	test_gtpie_getie();
+
 	/* TODO: gtpie_decaps() */
 	/* TODO: gtpie_encaps() */
 	/* TODO: gtpie_encaps2() */
-	/* TODO: gtpie_getie(), gtpie_exist(), gtpie_get*() */
+	/* TODO: gtpie_exist(), gtpie_get*() */
 	return 0;
 }
diff --git a/tests/gtp/gtpie_test.ok b/tests/gtp/gtpie_test.ok
index 465df72..3eea44c 100644
--- a/tests/gtp/gtpie_test.ok
+++ b/tests/gtp/gtpie_test.ok
@@ -4,3 +4,4 @@
 Testing gtpie_tv2()
 Testing gtpie_tv4()
 Testing gtpie_tv8()
+Testing gtpie_getie()

