From 244cfd3f01b84eabdfd193d413af24c97d1551fb Mon Sep 17 00:00:00 2001
From: nobody <nobody@localhost>
Date: Mon, 27 Jan 2003 22:44:08 +0000
Subject: [PATCH] This commit was manufactured by cvs2svn to create branch
 'thread_dev'.

[SVN r17055]
---
 test/util.inl | 150 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 test/util.inl

diff --git a/test/util.inl b/test/util.inl
new file mode 100644
index 00000000..446c039f
--- /dev/null
+++ b/test/util.inl
@@ -0,0 +1,150 @@
+#if !defined(UTIL_INL_WEK01242003)
+#define UTIL_INL_WEK01242003
+
+#include <boost/thread/xtime.hpp>
+#include <boost/thread/mutex.hpp>
+#include <boost/thread/condition.hpp>
+#include <boost/thread/thread.hpp>
+
+#ifndef DEFAULT_EXECUTION_MONITOR_TYPE
+#   define DEFAULT_EXECUTION_MONITOR_TYPE execution_monitor::use_condition
+#endif
+
+namespace
+{
+	inline boost::xtime delay(int secs, int msecs=0, int nsecs=0)
+	{
+		const int MILLISECONDS_PER_SECOND = 1000;
+		const int NANOSECONDS_PER_SECOND = 1000000000;
+		const int NANOSECONDS_PER_MILLISECOND = 1000000;
+
+		boost::xtime xt;
+        BOOST_CHECK_EQUAL(boost::xtime_get(&xt, boost::TIME_UTC),
+            static_cast<int>(boost::TIME_UTC));
+
+		nsecs += xt.nsec;
+		msecs += nsecs / NANOSECONDS_PER_MILLISECOND;
+		secs += msecs / MILLISECONDS_PER_SECOND;
+		nsecs += (msecs % MILLISECONDS_PER_SECOND) * NANOSECONDS_PER_MILLISECOND;
+		xt.nsec = nsecs % NANOSECONDS_PER_SECOND;
+		xt.sec += secs + (nsecs / NANOSECONDS_PER_SECOND);
+
+		return xt;
+	}
+
+	inline bool in_range(const boost::xtime& xt, int secs=1)
+	{
+		boost::xtime min = delay(-secs);
+		boost::xtime max = delay(0);
+		return (boost::xtime_cmp(xt, min) >= 0) && (boost::xtime_cmp(xt, max) <= 0);
+	}
+
+    class execution_monitor
+    {
+    public:
+		enum wait_type { use_sleep_only, use_mutex, use_condition };
+
+        execution_monitor(wait_type type, int secs)
+			: done(false), type(type), secs(secs) { }
+		void start()
+		{
+			if (type != use_sleep_only) {
+				boost::mutex::scoped_lock lock(mutex); done = false;
+			} else {
+				done = false;
+			}
+		}
+        void finish()
+		{
+			if (type != use_sleep_only) {
+				boost::mutex::scoped_lock lock(mutex);
+				done = true;
+				if (type == use_condition)
+					cond.notify_one();
+			} else {
+				done = true;
+			}
+		}
+		bool wait()
+		{
+			boost::xtime xt = delay(secs);
+			if (type != use_condition)
+				boost::thread::sleep(xt);
+			if (type != use_sleep_only) {
+				boost::mutex::scoped_lock lock(mutex);
+				while (type == use_condition && !done) {
+					if (!cond.timed_wait(lock, xt))
+						break;
+				}
+				return done;
+			}
+			return done;
+		}
+
+    private:
+        boost::mutex mutex;
+		boost::condition cond;
+        bool done;
+		wait_type type;
+		int secs;
+    };
+
+	template <typename F>
+    class indirect_adapter
+    {
+    public:
+        indirect_adapter(F func, execution_monitor& monitor)
+            : func(func), monitor(monitor) { }
+        void operator()() const
+        {
+			try
+			{
+				boost::thread thrd(func);
+				thrd.join();
+			}
+			catch (...)
+			{
+				monitor.finish();
+				throw;
+			}
+			monitor.finish();
+        }
+
+    private:
+		F func;
+        execution_monitor& monitor;
+    };
+
+	template <typename F>
+	void timed_test(F func, int secs,
+		execution_monitor::wait_type type=DEFAULT_EXECUTION_MONITOR_TYPE)
+	{
+		execution_monitor monitor(type, secs);
+		indirect_adapter<F> ifunc(func, monitor);
+		monitor.start();
+		boost::thread thrd(ifunc);
+		BOOST_REQUIRE_MESSAGE(monitor.wait(),
+			"Timed test didn't complete in time, possible deadlock.");
+	}
+
+	template <typename F, typename T>
+    class binder
+    {
+    public:
+        binder(const F& func, const T& param)
+            : func(func), param(param) { }
+        void operator()() const { func(param); }
+
+    private:
+		F func;
+        T param;
+    };
+
+	template <typename F, typename T>
+	binder<F, T> bind(const F& func, const T& param)
+	{
+		return binder<F, T>(func, param);
+	}
+} // namespace
+
+#endif