diff options
Diffstat (limited to 'libcxx/test/std/utilities/utility/forward/move_copy.pass.cpp')
-rw-r--r-- | libcxx/test/std/utilities/utility/forward/move_copy.pass.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/utility/forward/move_copy.pass.cpp b/libcxx/test/std/utilities/utility/forward/move_copy.pass.cpp new file mode 100644 index 00000000000..461a876cac8 --- /dev/null +++ b/libcxx/test/std/utilities/utility/forward/move_copy.pass.cpp @@ -0,0 +1,71 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// test move + +#include <utility> +#include <cassert> + +int copy_ctor = 0; +int move_ctor = 0; + +class A +{ +#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES +#else +#endif + +public: + +#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES + A(const A&) {++copy_ctor;} + A& operator=(const A&); + + A(A&&) {++move_ctor;} + A& operator=(A&&); +#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES + A(const A&) {++copy_ctor;} + A& operator=(A&); + + operator std::__rv<A> () {return std::__rv<A>(*this);} + A(std::__rv<A>) {++move_ctor;} +#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES + + A() {} +}; + +A source() {return A();} +const A csource() {return A();} + +void test(A) {} + +int main() +{ + A a; + const A ca = A(); + + assert(copy_ctor == 0); + assert(move_ctor == 0); + + A a2 = a; + assert(copy_ctor == 1); + assert(move_ctor == 0); + + A a3 = std::move(a); + assert(copy_ctor == 1); + assert(move_ctor == 1); + + A a4 = ca; + assert(copy_ctor == 2); + assert(move_ctor == 1); + + A a5 = std::move(ca); + assert(copy_ctor == 3); + assert(move_ctor == 1); +} |