add gsup_test to catch OS#3231
Encode an Insert Subscr Data with is_ps == true to trigger the encoding bug
described in OS#3231, i.e. show that it is fixed.
Move osmo_gsup_addr_send() to a separate .c file, so that it can be overridden
in the regression test to just dump the msgb instead.
I used this test to reproduce issue OS#3231, and now that it's here we might as
well keep it, and possibly expand on it in the future.
Related: OS#3231
Change-Id: Id1453351758f3e1a9ff03bd99fefaf51886e77da
diff --git a/tests/gsup/Makefile.am b/tests/gsup/Makefile.am
new file mode 100644
index 0000000..7c33dbd
--- /dev/null
+++ b/tests/gsup/Makefile.am
@@ -0,0 +1,41 @@
+AM_CPPFLAGS = \
+ $(all_includes) \
+ -I$(top_srcdir)/src \
+ $(NULL)
+
+AM_CFLAGS = \
+ -Wall \
+ -ggdb3 \
+ $(LIBOSMOCORE_CFLAGS) \
+ $(LIBOSMOGSM_CFLAGS) \
+ $(LIBOSMOABIS_CFLAGS) \
+ $(NULL)
+
+AM_LDFLAGS = \
+ $(NULL)
+
+EXTRA_DIST = \
+ gsup_test.ok \
+ gsup_test.err \
+ $(NULL)
+
+noinst_PROGRAMS = \
+ gsup_test \
+ $(NULL)
+
+gsup_test_SOURCES = \
+ gsup_test.c \
+ $(NULL)
+
+gsup_test_LDADD = \
+ $(top_srcdir)/src/luop.c \
+ $(top_srcdir)/src/gsup_server.c \
+ $(top_srcdir)/src/gsup_router.c \
+ $(LIBOSMOCORE_LIBS) \
+ $(LIBOSMOGSM_LIBS) \
+ $(LIBOSMOABIS_LIBS) \
+ $(NULL)
+
+.PHONY: update_exp
+update_exp:
+ $(builddir)/gsup_test >"$(srcdir)/gsup_test.ok" 2>"$(srcdir)/gsup_test.err"