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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/thread/test/test_8600.cpp
parentInitial commit. (diff)
downloadceph-upstream.tar.xz
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Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/thread/test/test_8600.cpp')
-rw-r--r--src/boost/libs/thread/test/test_8600.cpp140
1 files changed, 140 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/test_8600.cpp b/src/boost/libs/thread/test/test_8600.cpp
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+++ b/src/boost/libs/thread/test/test_8600.cpp
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+// Copyright (C) 2013 Vicente Botet
+//
+// 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)
+
+#include <boost/assert.hpp>
+#include <boost/static_assert.hpp>
+#include <vector>
+#include <utility>
+#include <type_traits>
+#if 1
+
+struct B {
+ int v;
+ B(int i) : v(i) {}
+};
+
+struct D: B {
+ D(int i) : B(i) {}
+};
+
+void fb(B const&) {}
+void fd(D const&) {}
+
+BOOST_STATIC_ASSERT(sizeof(B)==sizeof(D));
+
+template <class T, class Allocator=std::allocator<T> >
+class new_vector;
+template <class T, class Allocator>
+class new_vector : public std::vector<T,Allocator>
+{
+ typedef std::vector<T,Allocator> base_type;
+public:
+ new_vector() : base_type() {}
+ new_vector(unsigned s) : base_type(s) {}
+};
+
+template <class Allocator >
+class new_vector<bool, Allocator>
+{
+ //std::vector<char,typename Allocator::template rebind<char>::other > v;
+ int i;
+public:
+};
+
+template <class T, class A>
+typename std::enable_if<!std::is_same<T, bool>::value,
+ new_vector<T,A>&
+>::type
+new_vector_cast(std::vector<T,A> & v) {
+ return reinterpret_cast<new_vector<T,A>&>(v);
+}
+
+BOOST_STATIC_ASSERT(sizeof(std::vector<int>)==sizeof(new_vector<int>));
+BOOST_STATIC_ASSERT(sizeof(std::vector<bool>)!=sizeof(new_vector<bool>));
+
+void fb(std::vector<int> const&) {}
+void fd(new_vector<int> const&) {}
+
+int main() {
+ {
+ std::vector<int> b(1);
+ b[0] = 1;
+ new_vector<int> d = new_vector_cast(b);
+ BOOST_ASSERT(b[0] == d[0]);
+ }
+ {
+ //std::vector<bool> b;
+ //new_vector<bool> d = new_vector_cast(b); // compile fail
+ }
+ {
+ std::vector<int> b(1);
+ b[0] = 1;
+ fd(new_vector_cast(b));
+ }
+ {
+ new_vector<int> d(1);
+ d[0] = 1;
+ std::vector<int> b = d;
+ BOOST_ASSERT(b[0] == d[0]);
+ }
+ {
+ //new_vector<bool> d;
+ //std::vector<bool> b = d; // compile fail
+ }
+ {
+ new_vector<int> d(1);
+ d[0] = 1;
+ fd(d);
+ }
+ return 0;
+}
+
+
+#else
+int main() {
+ {
+ B b(1);
+ D d = reinterpret_cast<D&>(b);
+ BOOST_ASSERT(b.v == d.v);
+ }
+ {
+ B b(1);
+ fd(reinterpret_cast<D&>(b));
+ }
+ {
+ D d(2);
+ B b = d;
+ BOOST_ASSERT(b.v == d.v);
+ }
+ {
+ D d(2);
+ fd(d);
+ }
+ return 0;
+}
+
+#define BOOST_THREAD_VERSION 4
+
+#include <iostream>
+#include <boost/thread.hpp>
+
+int calculate_the_answer_to_life_the_universe_and_everything()
+{
+return 42;
+}
+
+int main()
+{
+boost::packaged_task<int()> pt(calculate_the_answer_to_life_the_universe_and_everything);
+boost::shared_future<int> fi1 = boost::shared_future<int>(pt.get_future());
+boost::shared_future<int> fi2 = fi1;
+
+boost::thread task(boost::move(pt)); // launch task on a thread
+
+boost::wait_for_any(fi1, fi2);
+std::cout << "Wait for any returned\n";
+return (0);
+}
+#endif