1 files changed, 145 insertions, 0 deletions
diff --git a/test/std/thread/futures/futures.unique_future/get.pass.cpp b/test/std/thread/futures/futures.unique_future/get.pass.cpp
new file mode 100644
index 000000000000..758e38a7dae9
--- /dev/null
+++ b/test/std/thread/futures/futures.unique_future/get.pass.cpp
@@ -0,0 +1,145 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: libcpp-has-no-threads
+
+// <future>
+
+// class future<R>
+
+// R future::get();
+// R& future<R&>::get();
+// void future<void>::get();
+
+#include <future>
+#include <cassert>
+
+void func1(std::promise<int> p)
+{
+    std::this_thread::sleep_for(std::chrono::milliseconds(500));
+    p.set_value(3);
+}
+
+void func2(std::promise<int> p)
+{
+    std::this_thread::sleep_for(std::chrono::milliseconds(500));
+    p.set_exception(std::make_exception_ptr(3));
+}
+
+int j = 0;
+
+void func3(std::promise<int&> p)
+{
+    std::this_thread::sleep_for(std::chrono::milliseconds(500));
+    j = 5;
+    p.set_value(j);
+}
+
+void func4(std::promise<int&> p)
+{
+    std::this_thread::sleep_for(std::chrono::milliseconds(500));
+    p.set_exception(std::make_exception_ptr(3.5));
+}
+
+void func5(std::promise<void> p)
+{
+    std::this_thread::sleep_for(std::chrono::milliseconds(500));
+    p.set_value();
+}
+
+void func6(std::promise<void> p)
+{
+    std::this_thread::sleep_for(std::chrono::milliseconds(500));
+    p.set_exception(std::make_exception_ptr('c'));
+}
+
+int main()
+{
+    {
+        typedef int T;
+        {
+            std::promise<T> p;
+            std::future<T> f = p.get_future();
+            std::thread(func1, std::move(p)).detach();
+            assert(f.valid());
+            assert(f.get() == 3);
+            assert(!f.valid());
+        }
+        {
+            std::promise<T> p;
+            std::future<T> f = p.get_future();
+            std::thread(func2, std::move(p)).detach();
+            try
+            {
+                assert(f.valid());
+                assert(f.get() == 3);
+                assert(false);
+            }
+            catch (int i)
+            {
+                assert(i == 3);
+            }
+            assert(!f.valid());
+        }
+    }
+    {
+        typedef int& T;
+        {
+            std::promise<T> p;
+            std::future<T> f = p.get_future();
+            std::thread(func3, std::move(p)).detach();
+            assert(f.valid());
+            assert(f.get() == 5);
+            assert(!f.valid());
+        }
+        {
+            std::promise<T> p;
+            std::future<T> f = p.get_future();
+            std::thread(func4, std::move(p)).detach();
+            try
+            {
+                assert(f.valid());
+                assert(f.get() == 3);
+                assert(false);
+            }
+            catch (double i)
+            {
+                assert(i == 3.5);
+            }
+            assert(!f.valid());
+        }
+    }
+    {
+        typedef void T;
+        {
+            std::promise<T> p;
+            std::future<T> f = p.get_future();
+            std::thread(func5, std::move(p)).detach();
+            assert(f.valid());
+            f.get();
+            assert(!f.valid());
+        }
+        {
+            std::promise<T> p;
+            std::future<T> f = p.get_future();
+            std::thread(func6, std::move(p)).detach();
+            try
+            {
+                assert(f.valid());
+                f.get();
+                assert(false);
+            }
+            catch (char i)
+            {
+                assert(i == 'c');
+            }
+            assert(!f.valid());
+        }
+    }
+}