Squashed 'third_party/libevent/' content from commit d8ceae8

Change-Id: I84e1b23561eb225b9f288717b028e6bc9e5a27e1
git-subtree-dir: third_party/libevent
git-subtree-split: d8ceae81b83f3d0a56e2f41d4c429b2702a8e302
diff --git a/test/regress.h b/test/regress.h
new file mode 100644
index 0000000..78dc3d0
--- /dev/null
+++ b/test/regress.h
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _REGRESS_H_
+#define _REGRESS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "tinytest.h"
+#include "tinytest_macros.h"
+
+extern struct testcase_t main_testcases[];
+extern struct testcase_t evtag_testcases[];
+extern struct testcase_t evbuffer_testcases[];
+extern struct testcase_t bufferevent_testcases[];
+extern struct testcase_t bufferevent_iocp_testcases[];
+extern struct testcase_t util_testcases[];
+extern struct testcase_t signal_testcases[];
+extern struct testcase_t http_testcases[];
+extern struct testcase_t dns_testcases[];
+extern struct testcase_t rpc_testcases[];
+extern struct testcase_t edgetriggered_testcases[];
+extern struct testcase_t minheap_testcases[];
+extern struct testcase_t iocp_testcases[];
+extern struct testcase_t ssl_testcases[];
+extern struct testcase_t listener_testcases[];
+extern struct testcase_t listener_iocp_testcases[];
+extern struct testcase_t thread_testcases[];
+
+void regress_threads(void *);
+void test_bufferevent_zlib(void *);
+
+/* Helpers to wrap old testcases */
+extern evutil_socket_t pair[2];
+extern int test_ok;
+extern int called;
+extern struct event_base *global_base;
+extern int in_legacy_test_wrapper;
+
+int regress_make_tmpfile(const void *data, size_t datalen);
+
+struct basic_test_data {
+	struct event_base *base;
+	evutil_socket_t pair[2];
+
+	void (*legacy_test_fn)(void);
+
+	void *setup_data;
+};
+extern const struct testcase_setup_t basic_setup;
+
+
+extern const struct testcase_setup_t legacy_setup;
+void run_legacy_test_fn(void *ptr);
+
+/* A couple of flags that basic/legacy_setup can support. */
+#define TT_NEED_SOCKETPAIR	TT_FIRST_USER_FLAG
+#define TT_NEED_BASE		(TT_FIRST_USER_FLAG<<1)
+#define TT_NEED_DNS		(TT_FIRST_USER_FLAG<<2)
+#define TT_LEGACY		(TT_FIRST_USER_FLAG<<3)
+#define TT_NEED_THREADS		(TT_FIRST_USER_FLAG<<4)
+#define TT_NO_LOGS		(TT_FIRST_USER_FLAG<<5)
+#define TT_ENABLE_IOCP_FLAG	(TT_FIRST_USER_FLAG<<6)
+#define TT_ENABLE_IOCP		(TT_ENABLE_IOCP_FLAG|TT_NEED_THREADS)
+
+/* All the flags that a legacy test needs. */
+#define TT_ISOLATED TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE
+
+
+#define BASIC(name,flags)						\
+	{ #name, test_## name, flags, &basic_setup, NULL }
+
+#define LEGACY(name,flags)						\
+	{ #name, run_legacy_test_fn, flags|TT_LEGACY, &legacy_setup,	\
+	  test_## name }
+
+struct evutil_addrinfo;
+struct evutil_addrinfo *ai_find_by_family(struct evutil_addrinfo *ai, int f);
+struct evutil_addrinfo *ai_find_by_protocol(struct evutil_addrinfo *ai, int p);
+int _test_ai_eq(const struct evutil_addrinfo *ai, const char *sockaddr_port,
+    int socktype, int protocol, int line);
+
+#define test_ai_eq(ai, str, s, p) do {					\
+		if (_test_ai_eq((ai), (str), (s), (p), __LINE__)<0)	\
+			goto end;					\
+	} while (0)
+
+#define test_timeval_diff_leq(tv1, tv2, diff, tolerance)		\
+	tt_int_op(abs(timeval_msec_diff((tv1), (tv2)) - diff), <=, tolerance)
+
+#define test_timeval_diff_eq(tv1, tv2, diff)				\
+	test_timeval_diff_leq((tv1), (tv2), (diff), 50)
+
+long timeval_msec_diff(const struct timeval *start, const struct timeval *end);
+
+#ifndef _WIN32
+pid_t regress_fork(void);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _REGRESS_H_ */