summaryrefslogtreecommitdiff
path: root/test/std/thread/futures/futures.promise/alloc_ctor.pass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/std/thread/futures/futures.promise/alloc_ctor.pass.cpp')
-rw-r--r--test/std/thread/futures/futures.promise/alloc_ctor.pass.cpp84
1 files changed, 84 insertions, 0 deletions
diff --git a/test/std/thread/futures/futures.promise/alloc_ctor.pass.cpp b/test/std/thread/futures/futures.promise/alloc_ctor.pass.cpp
new file mode 100644
index 0000000000000..70a4e00b0d6af
--- /dev/null
+++ b/test/std/thread/futures/futures.promise/alloc_ctor.pass.cpp
@@ -0,0 +1,84 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 promise<R>
+
+// template <class Allocator>
+// promise(allocator_arg_t, const Allocator& a);
+
+#include <future>
+#include <cassert>
+
+#include "../test_allocator.h"
+#include "min_allocator.h"
+
+int main()
+{
+ assert(test_alloc_base::count == 0);
+ {
+ std::promise<int> p(std::allocator_arg, test_allocator<int>());
+ assert(test_alloc_base::count == 1);
+ std::future<int> f = p.get_future();
+ assert(test_alloc_base::count == 1);
+ assert(f.valid());
+ }
+ assert(test_alloc_base::count == 0);
+ {
+ std::promise<int&> p(std::allocator_arg, test_allocator<int>());
+ assert(test_alloc_base::count == 1);
+ std::future<int&> f = p.get_future();
+ assert(test_alloc_base::count == 1);
+ assert(f.valid());
+ }
+ assert(test_alloc_base::count == 0);
+ {
+ std::promise<void> p(std::allocator_arg, test_allocator<void>());
+ assert(test_alloc_base::count == 1);
+ std::future<void> f = p.get_future();
+ assert(test_alloc_base::count == 1);
+ assert(f.valid());
+ }
+ assert(test_alloc_base::count == 0);
+ // Test with a minimal allocator
+ {
+ std::promise<int> p(std::allocator_arg, bare_allocator<void>());
+ std::future<int> f = p.get_future();
+ assert(f.valid());
+ }
+ {
+ std::promise<int&> p(std::allocator_arg, bare_allocator<void>());
+ std::future<int&> f = p.get_future();
+ assert(f.valid());
+ }
+ {
+ std::promise<void> p(std::allocator_arg, bare_allocator<void>());
+ std::future<void> f = p.get_future();
+ assert(f.valid());
+ }
+ // Test with a minimal allocator that returns class-type pointers
+ {
+ std::promise<int> p(std::allocator_arg, min_allocator<void>());
+ std::future<int> f = p.get_future();
+ assert(f.valid());
+ }
+ {
+ std::promise<int&> p(std::allocator_arg, min_allocator<void>());
+ std::future<int&> f = p.get_future();
+ assert(f.valid());
+ }
+ {
+ std::promise<void> p(std::allocator_arg, min_allocator<void>());
+ std::future<void> f = p.get_future();
+ assert(f.valid());
+ }
+}