libcxx initial import

llvm-svn: 103490

1 files changed, 53 insertions, 0 deletions

diff --git a/libcxx/test/language.support/support.limits/limits/numeric.limits.members/digits10.pass.cpp b/libcxx/test/language.support/support.limits/limits/numeric.limits.members/digits10.pass.cpp
new file mode 100644
index 00000000000..6012d23cf6e
--- /dev/null
+++ b/libcxx/test/language.support/support.limits/limits/numeric.limits.members/digits10.pass.cpp
@@ -0,0 +1,53 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test numeric_limits
+
+// digits10
+
+#include <limits>
+#include <cfloat>
+
+template <class T, int expected>
+void
+test()
+{
+    static_assert(std::numeric_limits<T>::digits10 == expected, "digits10 test 1");
+    static_assert(std::numeric_limits<T>::is_bounded, "digits10 test 5");
+    static_assert(std::numeric_limits<const T>::digits10 == expected, "digits10 test 2");
+    static_assert(std::numeric_limits<const T>::is_bounded, "digits10 test 6");
+    static_assert(std::numeric_limits<volatile T>::digits10 == expected, "digits10 test 3");
+    static_assert(std::numeric_limits<volatile T>::is_bounded, "digits10 test 7");
+    static_assert(std::numeric_limits<const volatile T>::digits10 == expected, "digits10 test 4");
+    static_assert(std::numeric_limits<const volatile T>::is_bounded, "digits10 test 8");
+}
+
+int main()
+{
+    test<bool, 0>();
+    test<char, 2>();
+    test<signed char, 2>();
+    test<unsigned char, 2>();
+    test<wchar_t, 9>();
+#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+    test<char16_t, 4>();
+    test<char32_t, 9>();
+#endif
+    test<short, 4>();
+    test<unsigned short, 4>();
+    test<int, 9>();
+    test<unsigned int, 9>();
+    test<long, sizeof(long) == 4 ? 9 : 18>();
+    test<unsigned long, sizeof(long) == 4 ? 9 : 19>();
+    test<long long, 18>();
+    test<unsigned long long, 19>();
+    test<float, FLT_DIG>();
+    test<double, DBL_DIG>();
+    test<long double, LDBL_DIG>();
+}