1 files changed, 578 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/test_generic_locks.cpp b/src/boost/libs/thread/test/test_generic_locks.cpp
new file mode 100644
index 000000000..0a9befcf9
--- /dev/null
+++ b/src/boost/libs/thread/test/test_generic_locks.cpp
@@ -0,0 +1,578 @@
+// (C) Copyright 2008 Anthony Williams
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#define BOOST_THREAD_VERSION 2
+
+#define BOOST_TEST_MODULE Boost.Threads: generic locks test suite
+
+#include <boost/test/unit_test.hpp>
+#include <boost/thread/mutex.hpp>
+#include <boost/thread/thread_only.hpp>
+#include <boost/thread/locks.hpp>
+#include <boost/thread/condition_variable.hpp>
+#include <iterator>
+#include <cstddef>
+
+BOOST_AUTO_TEST_CASE(test_lock_two_uncontended)
+{
+    boost::mutex m1,m2;
+
+    boost::unique_lock<boost::mutex> l1(m1,boost::defer_lock),
+        l2(m2,boost::defer_lock);
+
+    BOOST_CHECK(!l1.owns_lock());
+    BOOST_CHECK(!l2.owns_lock());
+
+    boost::lock(l1,l2);
+
+    BOOST_CHECK(l1.owns_lock());
+    BOOST_CHECK(l2.owns_lock());
+}
+
+struct wait_data
+{
+    boost::mutex m;
+    bool flag;
+    boost::condition_variable cond;
+
+    wait_data():
+        flag(false)
+    {}
+
+    void wait()
+    {
+        boost::unique_lock<boost::mutex> l(m);
+        while(!flag)
+        {
+            cond.wait(l);
+        }
+    }
+
+    template<typename Duration>
+    bool timed_wait(Duration d)
+    {
+        boost::system_time const target=boost::get_system_time()+d;
+
+        boost::unique_lock<boost::mutex> l(m);
+        while(!flag)
+        {
+            if(!cond.timed_wait(l,target))
+            {
+                return flag;
+            }
+        }
+        return true;
+    }
+
+    void signal()
+    {
+        boost::unique_lock<boost::mutex> l(m);
+        flag=true;
+        cond.notify_all();
+    }
+};
+
+
+void lock_mutexes_slowly(boost::mutex* m1,boost::mutex* m2,wait_data* locked,wait_data* quit)
+{
+    boost::lock_guard<boost::mutex> l1(*m1);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(500));
+    boost::lock_guard<boost::mutex> l2(*m2);
+    locked->signal();
+    quit->wait();
+}
+
+void lock_pair(boost::mutex* m1,boost::mutex* m2)
+{
+    boost::lock(*m1,*m2);
+    boost::unique_lock<boost::mutex> l1(*m1,boost::adopt_lock),
+        l2(*m2,boost::adopt_lock);
+}
+
+BOOST_AUTO_TEST_CASE(test_lock_two_other_thread_locks_in_order)
+{
+    boost::mutex m1,m2;
+    wait_data locked;
+    wait_data release;
+
+    boost::thread t(lock_mutexes_slowly,&m1,&m2,&locked,&release);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(10));
+
+    boost::thread t2(lock_pair,&m1,&m2);
+    BOOST_CHECK(locked.timed_wait(boost::posix_time::seconds(1)));
+
+    release.signal();
+
+    BOOST_CHECK(t2.timed_join(boost::posix_time::seconds(1)));
+
+    t.join();
+}
+
+BOOST_AUTO_TEST_CASE(test_lock_two_other_thread_locks_in_opposite_order)
+{
+    boost::mutex m1,m2;
+    wait_data locked;
+    wait_data release;
+
+    boost::thread t(lock_mutexes_slowly,&m1,&m2,&locked,&release);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(10));
+
+    boost::thread t2(lock_pair,&m2,&m1);
+    BOOST_CHECK(locked.timed_wait(boost::posix_time::seconds(1)));
+
+    release.signal();
+
+    BOOST_CHECK(t2.timed_join(boost::posix_time::seconds(1)));
+
+    t.join();
+}
+
+BOOST_AUTO_TEST_CASE(test_lock_five_uncontended)
+{
+    boost::mutex m1,m2,m3,m4,m5;
+
+    boost::unique_lock<boost::mutex> l1(m1,boost::defer_lock),
+        l2(m2,boost::defer_lock),
+        l3(m3,boost::defer_lock),
+        l4(m4,boost::defer_lock),
+        l5(m5,boost::defer_lock);
+
+    BOOST_CHECK(!l1.owns_lock());
+    BOOST_CHECK(!l2.owns_lock());
+    BOOST_CHECK(!l3.owns_lock());
+    BOOST_CHECK(!l4.owns_lock());
+    BOOST_CHECK(!l5.owns_lock());
+
+    boost::lock(l1,l2,l3,l4,l5);
+
+    BOOST_CHECK(l1.owns_lock());
+    BOOST_CHECK(l2.owns_lock());
+    BOOST_CHECK(l3.owns_lock());
+    BOOST_CHECK(l4.owns_lock());
+    BOOST_CHECK(l5.owns_lock());
+}
+
+void lock_five_mutexes_slowly(boost::mutex* m1,boost::mutex* m2,boost::mutex* m3,boost::mutex* m4,boost::mutex* m5,
+                              wait_data* locked,wait_data* quit)
+{
+    boost::lock_guard<boost::mutex> l1(*m1);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(500));
+    boost::lock_guard<boost::mutex> l2(*m2);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(500));
+    boost::lock_guard<boost::mutex> l3(*m3);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(500));
+    boost::lock_guard<boost::mutex> l4(*m4);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(500));
+    boost::lock_guard<boost::mutex> l5(*m5);
+    locked->signal();
+    quit->wait();
+}
+
+void lock_five(boost::mutex* m1,boost::mutex* m2,boost::mutex* m3,boost::mutex* m4,boost::mutex* m5)
+{
+    boost::lock(*m1,*m2,*m3,*m4,*m5);
+    m1->unlock();
+    m2->unlock();
+    m3->unlock();
+    m4->unlock();
+    m5->unlock();
+}
+
+BOOST_AUTO_TEST_CASE(test_lock_five_other_thread_locks_in_order)
+{
+    boost::mutex m1,m2,m3,m4,m5;
+    wait_data locked;
+    wait_data release;
+
+    boost::thread t(lock_five_mutexes_slowly,&m1,&m2,&m3,&m4,&m5,&locked,&release);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(10));
+
+    boost::thread t2(lock_five,&m1,&m2,&m3,&m4,&m5);
+    BOOST_CHECK(locked.timed_wait(boost::posix_time::seconds(3)));
+
+    release.signal();
+
+    BOOST_CHECK(t2.timed_join(boost::posix_time::seconds(3)));
+
+    t.join();
+}
+
+BOOST_AUTO_TEST_CASE(test_lock_five_other_thread_locks_in_different_order)
+{
+    boost::mutex m1,m2,m3,m4,m5;
+    wait_data locked;
+    wait_data release;
+
+    boost::thread t(lock_five_mutexes_slowly,&m1,&m2,&m3,&m4,&m5,&locked,&release);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(10));
+
+    boost::thread t2(lock_five,&m5,&m1,&m4,&m2,&m3);
+    BOOST_CHECK(locked.timed_wait(boost::posix_time::seconds(3)));
+
+    release.signal();
+
+    BOOST_CHECK(t2.timed_join(boost::posix_time::seconds(3)));
+
+    t.join();
+}
+
+void lock_n(boost::mutex* mutexes,unsigned count)
+{
+    boost::lock(mutexes,mutexes+count);
+    for(unsigned i=0;i<count;++i)
+    {
+        mutexes[i].unlock();
+    }
+}
+
+
+BOOST_AUTO_TEST_CASE(test_lock_ten_other_thread_locks_in_different_order)
+{
+    unsigned const num_mutexes=10;
+
+    boost::mutex mutexes[num_mutexes];
+    wait_data locked;
+    wait_data release;
+
+    boost::thread t(lock_five_mutexes_slowly,&mutexes[6],&mutexes[3],&mutexes[8],&mutexes[0],&mutexes[2],&locked,&release);
+    boost::this_thread::sleep(boost::posix_time::milliseconds(10));
+
+    boost::thread t2(lock_n,mutexes,num_mutexes);
+    BOOST_CHECK(locked.timed_wait(boost::posix_time::seconds(3)));
+
+    release.signal();
+
+    BOOST_CHECK(t2.timed_join(boost::posix_time::seconds(3)));
+
+    t.join();
+}
+
+struct dummy_mutex
+{
+    bool is_locked;
+
+    dummy_mutex():
+        is_locked(false)
+    {}
+
+    void lock()
+    {
+        is_locked=true;
+    }
+
+    bool try_lock()
+    {
+        if(is_locked)
+        {
+            return false;
+        }
+        is_locked=true;
+        return true;
+    }
+
+    void unlock()
+    {
+        is_locked=false;
+    }
+};
+
+namespace boost
+{
+    template<>
+    struct is_mutex_type<dummy_mutex>
+    {
+        BOOST_STATIC_CONSTANT(bool, value = true);
+    };
+}
+
+
+
+BOOST_AUTO_TEST_CASE(test_lock_five_in_range)
+{
+    unsigned const num_mutexes=5;
+    dummy_mutex mutexes[num_mutexes];
+
+    boost::lock(mutexes,mutexes+num_mutexes);
+
+    for(unsigned i=0;i<num_mutexes;++i)
+    {
+        BOOST_CHECK(mutexes[i].is_locked);
+    }
+}
+
+class dummy_iterator
+{
+private:
+    dummy_mutex* p;
+public:
+    typedef std::forward_iterator_tag iterator_category;
+    typedef dummy_mutex value_type;
+    typedef std::ptrdiff_t difference_type;
+    typedef dummy_mutex* pointer;
+    typedef dummy_mutex& reference;
+
+    explicit dummy_iterator(dummy_mutex* p_):
+        p(p_)
+    {}
+
+    bool operator==(dummy_iterator const& other) const
+    {
+        return p==other.p;
+    }
+
+    bool operator!=(dummy_iterator const& other) const
+    {
+        return p!=other.p;
+    }
+
+    bool operator<(dummy_iterator const& other) const
+    {
+        return p<other.p;
+    }
+
+    dummy_mutex& operator*() const
+    {
+        return *p;
+    }
+
+    dummy_mutex* operator->() const
+    {
+        return p;
+    }
+
+    dummy_iterator operator++(int)
+    {
+        dummy_iterator temp(*this);
+        ++p;
+        return temp;
+    }
+
+    dummy_iterator& operator++()
+    {
+        ++p;
+        return *this;
+    }
+
+};
+
+
+BOOST_AUTO_TEST_CASE(test_lock_five_in_range_custom_iterator)
+{
+    unsigned const num_mutexes=5;
+    dummy_mutex mutexes[num_mutexes];
+
+    boost::lock(dummy_iterator(mutexes),dummy_iterator(mutexes+num_mutexes));
+
+    for(unsigned i=0;i<num_mutexes;++i)
+    {
+        BOOST_CHECK(mutexes[i].is_locked);
+    }
+}
+
+class dummy_mutex2:
+    public dummy_mutex
+{};
+
+
+BOOST_AUTO_TEST_CASE(test_lock_ten_in_range_inherited_mutex)
+{
+    unsigned const num_mutexes=10;
+    dummy_mutex2 mutexes[num_mutexes];
+
+    boost::lock(mutexes,mutexes+num_mutexes);
+
+    for(unsigned i=0;i<num_mutexes;++i)
+    {
+        BOOST_CHECK(mutexes[i].is_locked);
+    }
+}
+
+BOOST_AUTO_TEST_CASE(test_try_lock_two_uncontended)
+{
+    dummy_mutex m1,m2;
+
+    int const res=boost::try_lock(m1,m2);
+
+    BOOST_CHECK(res==-1);
+    BOOST_CHECK(m1.is_locked);
+    BOOST_CHECK(m2.is_locked);
+}
+BOOST_AUTO_TEST_CASE(test_try_lock_two_first_locked)
+{
+    dummy_mutex m1,m2;
+    m1.lock();
+
+    boost::unique_lock<dummy_mutex> l1(m1,boost::defer_lock),
+        l2(m2,boost::defer_lock);
+
+    int const res=boost::try_lock(l1,l2);
+
+    BOOST_CHECK(res==0);
+    BOOST_CHECK(m1.is_locked);
+    BOOST_CHECK(!m2.is_locked);
+    BOOST_CHECK(!l1.owns_lock());
+    BOOST_CHECK(!l2.owns_lock());
+}
+BOOST_AUTO_TEST_CASE(test_try_lock_two_second_locked)
+{
+    dummy_mutex m1,m2;
+    m2.lock();
+
+    boost::unique_lock<dummy_mutex> l1(m1,boost::defer_lock),
+        l2(m2,boost::defer_lock);
+
+    int const res=boost::try_lock(l1,l2);
+
+    BOOST_CHECK(res==1);
+    BOOST_CHECK(!m1.is_locked);
+    BOOST_CHECK(m2.is_locked);
+    BOOST_CHECK(!l1.owns_lock());
+    BOOST_CHECK(!l2.owns_lock());
+}
+
+BOOST_AUTO_TEST_CASE(test_try_lock_three)
+{
+    int const num_mutexes=3;
+
+    for(int i=-1;i<num_mutexes;++i)
+    {
+        dummy_mutex mutexes[num_mutexes];
+
+        if(i>=0)
+        {
+            mutexes[i].lock();
+        }
+        boost::unique_lock<dummy_mutex> l1(mutexes[0],boost::defer_lock),
+            l2(mutexes[1],boost::defer_lock),
+            l3(mutexes[2],boost::defer_lock);
+
+        int const res=boost::try_lock(l1,l2,l3);
+
+        BOOST_CHECK(res==i);
+        for(int j=0;j<num_mutexes;++j)
+        {
+            if((i==j) || (i==-1))
+            {
+                BOOST_CHECK(mutexes[j].is_locked);
+            }
+            else
+            {
+                BOOST_CHECK(!mutexes[j].is_locked);
+            }
+        }
+        if(i==-1)
+        {
+            BOOST_CHECK(l1.owns_lock());
+            BOOST_CHECK(l2.owns_lock());
+            BOOST_CHECK(l3.owns_lock());
+        }
+        else
+        {
+            BOOST_CHECK(!l1.owns_lock());
+            BOOST_CHECK(!l2.owns_lock());
+            BOOST_CHECK(!l3.owns_lock());
+        }
+    }
+}
+
+BOOST_AUTO_TEST_CASE(test_try_lock_four)
+{
+    int const num_mutexes=4;
+
+    for(int i=-1;i<num_mutexes;++i)
+    {
+        dummy_mutex mutexes[num_mutexes];
+
+        if(i>=0)
+        {
+            mutexes[i].lock();
+        }
+        boost::unique_lock<dummy_mutex> l1(mutexes[0],boost::defer_lock),
+            l2(mutexes[1],boost::defer_lock),
+            l3(mutexes[2],boost::defer_lock),
+            l4(mutexes[3],boost::defer_lock);
+
+        int const res=boost::try_lock(l1,l2,l3,l4);
+
+        BOOST_CHECK(res==i);
+        for(int j=0;j<num_mutexes;++j)
+        {
+            if((i==j) || (i==-1))
+            {
+                BOOST_CHECK(mutexes[j].is_locked);
+            }
+            else
+            {
+                BOOST_CHECK(!mutexes[j].is_locked);
+            }
+        }
+        if(i==-1)
+        {
+            BOOST_CHECK(l1.owns_lock());
+            BOOST_CHECK(l2.owns_lock());
+            BOOST_CHECK(l3.owns_lock());
+            BOOST_CHECK(l4.owns_lock());
+        }
+        else
+        {
+            BOOST_CHECK(!l1.owns_lock());
+            BOOST_CHECK(!l2.owns_lock());
+            BOOST_CHECK(!l3.owns_lock());
+            BOOST_CHECK(!l4.owns_lock());
+        }
+    }
+}
+
+BOOST_AUTO_TEST_CASE(test_try_lock_five)
+{
+    int const num_mutexes=5;
+
+    for(int i=-1;i<num_mutexes;++i)
+    {
+        dummy_mutex mutexes[num_mutexes];
+
+        if(i>=0)
+        {
+            mutexes[i].lock();
+        }
+        boost::unique_lock<dummy_mutex> l1(mutexes[0],boost::defer_lock),
+            l2(mutexes[1],boost::defer_lock),
+            l3(mutexes[2],boost::defer_lock),
+            l4(mutexes[3],boost::defer_lock),
+            l5(mutexes[4],boost::defer_lock);
+
+        int const res=boost::try_lock(l1,l2,l3,l4,l5);
+
+        BOOST_CHECK(res==i);
+        for(int j=0;j<num_mutexes;++j)
+        {
+            if((i==j) || (i==-1))
+            {
+                BOOST_CHECK(mutexes[j].is_locked);
+            }
+            else
+            {
+                BOOST_CHECK(!mutexes[j].is_locked);
+            }
+        }
+        if(i==-1)
+        {
+            BOOST_CHECK(l1.owns_lock());
+            BOOST_CHECK(l2.owns_lock());
+            BOOST_CHECK(l3.owns_lock());
+            BOOST_CHECK(l4.owns_lock());
+            BOOST_CHECK(l5.owns_lock());
+        }
+        else
+        {
+            BOOST_CHECK(!l1.owns_lock());
+            BOOST_CHECK(!l2.owns_lock());
+            BOOST_CHECK(!l3.owns_lock());
+            BOOST_CHECK(!l4.owns_lock());
+            BOOST_CHECK(!l5.owns_lock());
+        }
+    }
+}
+