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Add operators to make launch a bitmask type. Searched all of the standard, and libc++ to see if this error occurred elsewhere and didn't see any other place. This fixes http://llvm.org/bugs/show_bug.cgi?id=16207

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185265 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2013-06-29 18:38:17 +00:00
parent ab135d7f4e
commit f491e51ebd
2 changed files with 82 additions and 0 deletions
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16
test/thread/futures/futures.overview/launch.pass.cpp
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@@ -17,11 +17,27 @@
// };
#include <future>
#include <cassert>
int main()
{
#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
static_assert(static_cast<int>(std::launch::any) ==
(static_cast<int>(std::launch::async) | static_cast<int>(std::launch::deferred)), "");
#else
static_assert(std::launch::any == (std::launch::async | std::launch::deferred), "");
static_assert(std::launch(0) == (std::launch::async & std::launch::deferred), "");
static_assert(std::launch::any == (std::launch::async ^ std::launch::deferred), "");
static_assert(std::launch(~1) == ~std::launch::async, "");
std::launch x = std::launch::async;
x &= std::launch::deferred;
assert(x == std::launch(0));
x = std::launch::async;
x |= std::launch::deferred;
assert(x == std::launch::any);
x ^= std::launch::deferred;
assert(x == std::launch::async);
#endif
static_assert(static_cast<int>(std::launch::async) == 1, "");
static_assert(static_cast<int>(std::launch::deferred) == 2, "");
}