[Boost-commit] svn:boost r86569 - trunk/libs/thread/test

Subject: [Boost-commit] svn:boost r86569 - trunk/libs/thread/test
From: vicente.botet_at_[hidden]
Date: 2013-11-05 18:08:13

Author: viboes
Date: 2013-11-05 18:08:13 EST (Tue, 05 Nov 2013)
New Revision: 86569
URL: http://svn.boost.org/trac/boost/changeset/86569

Log:
Thread: added test for #9303.

Added:
   trunk/libs/thread/test/test_9303.cpp   (contents, props changed)

Added: trunk/libs/thread/test/test_9303.cpp
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ trunk/libs/thread/test/test_9303.cpp	2013-11-05 18:08:13 EST (Tue, 05 Nov 2013)	(r86569)
@@ -0,0 +1,171 @@
+#define BOOST_THREAD_VERSION 4
+    #include <iostream>
+    #include <fstream>
+    #include <stdio.h>
+    #include <boost/function.hpp>
+    #include <boost/make_shared.hpp>
+    #include <boost/shared_ptr.hpp>
+    #include <boost/bind.hpp>
+    //#include <boost/asio.hpp>
+    #include <boost/thread.hpp>
+    #include <boost/thread/future.hpp>
+
+#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
+    #define EXAMPLE_1
+    #define EXAMPLE_2
+    #define EXAMPLE_3
+    //#define EXAMPLE_4
+    //#define EXAMPLE_5
+    //#define EXAMPLE_6
+    //#define EXAMPLE_7
+#else
+    #define EXAMPLE_1
+    #define EXAMPLE_2
+    //#define EXAMPLE_3
+    //#define EXAMPLE_4
+    //#define EXAMPLE_5
+    //#define EXAMPLE_6
+    //#define EXAMPLE_7
+#endif
+
+    // Test functions
+
+    int int_no_params()
+    {
+        return 42;
+    }
+
+    int int_with_params(int i)
+    {
+        return i;
+    }
+
+    std::string string_no_params()
+    {
+        return std::string("forty two");
+    }
+
+    std::string string_with_params(std::string& ans)
+    {
+        return ans;
+    }
+
+    int main(int /*argc*/, char ** /*argv[]*/)
+    {
+        std::string ans("forty two");
+
+    #if defined EXAMPLE_1
+        //! Compiles and produces correct result.
+        {
+            boost::packaged_task<int()> example(int_no_params);
+            boost::future<int> f = example.get_future();
+            boost::thread task(boost::move(example));
+            int answer = f.get();
+            std::cout << "Answer to life and whatnot, in English: " << answer << std::endl;
+            task.join();
+        }
+    #endif
+
+    #if defined EXAMPLE_2
+        //! Compiles and produces correct result.
+        {
+            boost::packaged_task<std::string()> example(string_no_params);
+            boost::future<std::string> f = example.get_future();
+            boost::thread task(boost::move(example));
+            std::string answer = f.get();
+            std::cout << "string_no_params: " << answer << std::endl;
+            task.join();
+        }
+
+    #endif
+
+    #if defined EXAMPLE_3
+        //! Doesn't compile in C++03.
+        //! error: variable ‘boost::packaged_task<std::basic_string<char>(std::basic_string<char>&)> example’ has initializer but incomplete type
+
+        {
+            boost::packaged_task<std::string(std::string&)> example(string_with_params);
+            boost::future<std::string> f = example.get_future();
+            example(ans);
+            std::string answer = f.get();
+            std::cout << "string_with_params: " << answer << std::endl;
+        }
+
+    #endif
+
+    #if defined EXAMPLE_4
+        //! Doesn't compile in C++11
+//        In file included from test_9303.cpp:10:
+//        In file included from ../../../boost/thread.hpp:13:
+//        In file included from ../../../boost/thread/thread.hpp:12:
+//        In file included from ../../../boost/thread/thread_only.hpp:22:
+//        ../../../boost/thread/detail/thread.hpp:76:15: error: no matching function for call to 'invoke'
+//                      invoke(std::move(std::get<0>(fp)), std::move(std::get<Indices>(fp))...);
+//                      ^~~~~~
+
+        {
+            boost::packaged_task<std::string(std::string&)> example(string_with_params);
+            boost::future<std::string> f = example.get_future();
+            boost::thread task(boost::move(example), ans);
+            std::string answer = f.get();
+            std::cout << "string_with_params: " << answer << std::endl;
+            task.join();
+        }
+    #endif
+
+    #if defined EXAMPLE_5
+        //! Doesn't compile in C++03, C++11 only.
+        //! error: extended initializer lists only available with -std=c++11 or -std=gnu++11 [-Werror]
+        {
+            boost::packaged_task<std::string(std::string&)> example
+            { boost::bind(&string_with_params, ans) };
+            boost::future<std::string> f = example.get_future();
+            boost::thread task(boost::move(example), ans);
+            std::string answer = f.get();
+            std::cout << "string_with_params: " << answer << std::endl;
+            task.join();
+        }
+    #endif
+
+    #if defined EXAMPLE_6
+        //! Doesn't compile in C++03, C++11 only.
+        // packagedTestTest.cpp:94:43: error: invalid use of incomplete type ‘class boost::packaged_task<std::basic_string<char>(std::basic_string<char>&)>’
+        // packagedTestTest.cpp:95:37: error: incomplete type ‘task_t {aka boost::packaged_task<std::basic_string<char>(std::basic_string<char>&)>}’ used in nested name specifier
+        // boost/thread/future.hpp:1320:11: error: declaration of ‘class boost::packaged_task<std::basic_string<char>(std::basic_string<char>&)>’
+        {
+            typedef boost::packaged_task<std::string(std::string&)> task_t;
+            boost::shared_ptr<task_t> example = boost::make_shared<task_t>(boost::bind(&string_with_params, ans));
+            boost::future<std::string> f = example->get_future();
+            boost::thread task(boost::bind(&task_t::operator(), example));
+            std::string answer = f.get();
+            std::cout << "string_with_params: " << answer << std::endl;
+            task.join();
+        }
+    #endif
+
+    #if defined EXAMPLE_7
+        //! Doesn't compile in C++03, C++11 only.
+        // packagedTestTest.cpp:94:43: error: invalid use of incomplete type ‘class boost::packaged_task<std::basic_string<char>(std::basic_string<char>&)>’
+        // packagedTestTest.cpp:95:37: error: incomplete type ‘task_t {aka boost::packaged_task<std::basic_string<char>(std::basic_string<char>&)>}’ used in nested name specifier
+        // boost/thread/future.hpp:1320:11: error: declaration of ‘class boost::packaged_task<std::basic_string<char>(std::basic_string<char>&)>’
+        {
+            boost::asio::io_service io_service;
+            boost::thread_group threads;
+            boost::asio::io_service::work work(io_service);
+
+            for (int i = 0; i < 3; ++i)
+            {
+                threads.create_thread(boost::bind(&boost::asio::io_service::run,
+                    &io_service));
+            }
+            typedef boost::packaged_task<std::string(std::string&)> task_t;
+            boost::shared_ptr<task_t> example = boost::make_shared<task_t>(boost::bind(&string_with_params, ans));
+            boost::future<std::string> f = example->get_future();
+            io_service.post(boost::bind(&task_t::operator(), example));
+            std::string answer = f.get();
+            std::cout << "string_with_params: " << answer << std::endl;
+            threads.join_all();
+        }
+    #endif
+        return 0;
+    }