diff options
Diffstat (limited to 'test/std/containers/container.adaptors/queue/queue.cons/deduct.fail.cpp')
-rw-r--r-- | test/std/containers/container.adaptors/queue/queue.cons/deduct.fail.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/std/containers/container.adaptors/queue/queue.cons/deduct.fail.cpp b/test/std/containers/container.adaptors/queue/queue.cons/deduct.fail.cpp new file mode 100644 index 000000000000..1605b96b13bc --- /dev/null +++ b/test/std/containers/container.adaptors/queue/queue.cons/deduct.fail.cpp @@ -0,0 +1,46 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// <queue> +// UNSUPPORTED: c++98, c++03, c++11, c++14 +// UNSUPPORTED: libcpp-no-deduction-guides + +#include <queue> +#include <list> +#include <iterator> +#include <cassert> +#include <cstddef> + + +int main() +{ +// Test the explicit deduction guides + { +// queue(const Container&, const Alloc&); +// The '45' is not an allocator + std::queue que(std::list<int>{1,2,3}, 45); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'queue'}} + } + + { +// queue(const queue&, const Alloc&); +// The '45' is not an allocator + std::queue<int> source; + std::queue que(source, 45); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'queue'}} + } + +// Test the implicit deduction guides + { +// queue (allocator &) + std::queue que((std::allocator<int>())); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'queue'}} +// Note: The extra parens are necessary, since otherwise clang decides it is a function declaration. +// Also, we can't use {} instead of parens, because that constructs a +// stack<allocator<int>, allocator<allocator<int>>> + } + +} |