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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.cpp | 84 |
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()); + } +} |