vendor/libc++/libc++-trunk-r300422

5 files changed, 107 insertions, 0 deletions

diff --git a/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool1.fail.cpp b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool1.fail.cpp
new file mode 100644
index 0000000000000..c8d6c5367d7ef
--- /dev/null
+++ b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool1.fail.cpp
@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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: c++98, c++03, c++11
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
+
+// Remarks: If either M or N is not an integer type,
+// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
+
+#include <experimental/numeric>
+
+
+int main()
+{
+    std::experimental::gcd(false, 4);
+}
diff --git a/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool2.fail.cpp b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool2.fail.cpp
new file mode 100644
index 0000000000000..a3a2206fba632
--- /dev/null
+++ b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool2.fail.cpp
@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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: c++98, c++03, c++11
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
+
+// Remarks: If either M or N is not an integer type,
+// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
+
+#include <experimental/numeric>
+
+
+int main()
+{
+    std::experimental::gcd(2, true);
+}
diff --git a/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool3.fail.cpp b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool3.fail.cpp
new file mode 100644
index 0000000000000..1f04580ddabd4
--- /dev/null
+++ b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool3.fail.cpp
@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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: c++98, c++03, c++11
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
+
+// Remarks: If either M or N is not an integer type,
+// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
+
+#include <experimental/numeric>
+
+
+int main()
+{
+    std::experimental::gcd<volatile bool, int>(false, 4);
+}
diff --git a/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool4.fail.cpp b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool4.fail.cpp
new file mode 100644
index 0000000000000..1f0e8a2b3a2ff
--- /dev/null
+++ b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.bool4.fail.cpp
@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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: c++98, c++03, c++11
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
+
+// Remarks: If either M or N is not an integer type,
+// or if either is (a possibly cv-qualified) bool, the program is ill-formed.
+
+#include <experimental/numeric>
+
+
+int main()
+{
+    std::experimental::gcd<int, const bool>(2, true);
+}
diff --git a/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.pass.cpp b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.pass.cpp
index a52b50b391cd3..3f86cfe4c7f06 100644
--- a/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.pass.cpp
+++ b/test/std/experimental/numeric/numeric.ops/numeric.ops.gcd/gcd.pass.cpp
@@ -129,4 +129,11 @@ int main()
     assert((do_test<long, int>(non_cce)));
     assert((do_test<int, long long>(non_cce)));
     assert((do_test<long long, int>(non_cce)));
+
+//  LWG#2792
+    {
+        auto res = std::experimental::gcd((int64_t)1234, (int32_t)-2147483648);
+        static_assert( std::is_same<decltype(res), std::common_type<int64_t, int32_t>::type>::value, "");
+        assert(res == 2);
+    }
 }