Start writing some unittests for vde_ordhash

Just a basic infrastructure for now, needs to be expanded.

Signed-off-by: Luca Bigliardi <shammash@artha.org>

Makefile.am

@@ -107,11 +107,14 @@ src_vde_hub2hub_LDFLAGS = -levent
 
 
 if CHECK
-TESTS = tests/check_context
-check_PROGRAMS = tests/check_context
+TESTS = tests/check_context tests/check_vde_ordhash
+check_PROGRAMS = tests/check_context tests/check_vde_ordhash
 tests_check_context_SOURCES = tests/check_context.c
 tests_check_context_CFLAGS = $(AM_CFLAGS) $(CHECK_CFLAGS) -I$(top_srcdir)/src/include/
 tests_check_context_LDADD = $(CHECK_LIBS) src/libvde.la
+tests_check_vde_ordhash_SOURCES = tests/check_vde_ordhash.c
+tests_check_vde_ordhash_CFLAGS = $(AM_CFLAGS) $(CHECK_CFLAGS) -I$(top_srcdir)/src/include/
+tests_check_vde_ordhash_LDADD = $(CHECK_LIBS) src/libvde.la
 
 val_default_opts = --tool=memcheck -q --show-reachable=yes \
   --leak-check=yes --num-callers=20 --track-fds=yes --read-var-info=yes \

tests/check_vde_ordhash.c

@@ -0,0 +1,86 @@
+#include <stdlib.h>
+#include <errno.h>
+#include <stdio.h>
+
+#include <check.h>
+#include <vde3/vde_ordhash.h>
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_VALGRIND_VALGRIND_H
+#include <valgrind/valgrind.h>
+#define V_START_TEST(n) START_TEST(n) VALGRIND_PRINTF("starting test "#n"\n");
+#else
+#define V_START_TEST(n) START_TEST(n)
+#endif
+
+// fixture components, always present
+vde_ordhash *f_oh;
+
+void
+setup (void)
+{
+  f_oh = vde_ordhash_new();
+}
+
+void
+teardown (void)
+{
+  vde_ordhash_delete(f_oh);
+}
+
+
+V_START_TEST (test_ordhash_insert_lookup_remove)
+{
+  void *fk = 1, *fv = 2, *rfv = NULL;
+  void *sk = 3, *sv = 4, *rsv = NULL;
+  int rv = 0;
+
+  vde_ordhash_insert(f_oh, fk, fv);
+  rfv = vde_ordhash_lookup(f_oh, fk);
+  fail_unless (rfv == fv, "could not lookup first value");
+
+  vde_ordhash_insert(f_oh, sk, sv);
+  rsv = vde_ordhash_lookup(f_oh, sk);
+  fail_unless (rsv == sv, "could not lookup second value");
+
+  rv = vde_ordhash_remove(f_oh, fk);
+  fail_unless (rv != 0, "remove first item returned zero");
+
+  rv = vde_ordhash_remove(f_oh, sk);
+  fail_unless (rv != 0, "remove second item returned zero");
+
+}
+END_TEST
+
+Suite *
+vde_ordhash_suite (void)
+{
+  Suite *s = suite_create ("vde_ordhash");
+
+  /* Core test case */
+  TCase *tc_core = tcase_create ("Core");
+  tcase_add_checked_fixture (tc_core, setup, teardown);
+  tcase_add_test (tc_core, test_ordhash_insert_lookup_remove);
+  suite_add_tcase (s, tc_core);
+
+  /* Component test case */
+  TCase *tc_iterators = tcase_create ("Iterators");
+  tcase_add_checked_fixture (tc_iterators, setup, teardown);
+  suite_add_tcase (s, tc_iterators);
+  return s;
+}
+
+int
+main (void)
+{
+  int number_failed;
+  Suite *s = vde_ordhash_suite ();
+  SRunner *sr = srunner_create (s);
+  srunner_run_all (sr, CK_NORMAL);
+  number_failed = srunner_ntests_failed (sr);
+  srunner_free (sr);
+  return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}