SSL test framework: port NPN and ALPN tests
Reviewed-by: Rich Salz <rsalz@openssl.org>
diff --git a/test/testutil.h b/test/testutil.h
index 0170a22..0ff2a82 100644
--- a/test/testutil.h
+++ b/test/testutil.h
@@ -84,4 +84,13 @@
void add_all_tests(const char *test_case_name, int (*test_fn)(int idx), int num);
int run_tests(const char *test_prog_name);
+/*
+ * Test assumption verification helpers.
+ */
+
+/*
+ * Returns 1 if |s1| and |s2| are both NULL or equal.
+ * Otherwise, returns 0 and pretty-prints diagnostics using |desc|.
+ */
+int strings_equal(const char *desc, const char *s1, const char *s2);
#endif /* HEADER_TESTUTIL_H */
