[libcxx] Improve tests to use the UNSUPPORTED lit directive

Quite a few libcxx tests seem to follow the format:
 #if _LIBCPP_STD_VER > X
   // Do test.
 #else
   // Empty test.
 #endif
We should instead use the UNSUPPORTED lit directive to exclude the test on
earlier C++ standards. This gives us a more accurate number of test passes
for those standards and avoids unnecessary conflicts with other lit
directives on the same tests.

Reviewers: bcraig, ericwf, mclow.lists

Differential revision: http://reviews.llvm.org/D20730

llvm-svn: 271108

1 files changed, 1 insertions, 6 deletions

diff --git a/libcxx/test/std/experimental/optional/optional.relops/greater_than.pass.cpp b/libcxx/test/std/experimental/optional/optional.relops/greater_than.pass.cpp
index d51bd4f2ac4..6b6dd164c51 100644
--- a/libcxx/test/std/experimental/optional/optional.relops/greater_than.pass.cpp
+++ b/libcxx/test/std/experimental/optional/optional.relops/greater_than.pass.cpp
@@ -7,14 +7,13 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03, c++11
 // <optional>
 
 // template <class T> constexpr bool operator> (const optional<T>& x, const optional<T>& y);
 
 #include <experimental/optional>
 
-#if _LIBCPP_STD_VER > 11
-
 using std::experimental::optional;
 
 struct X
@@ -27,11 +26,8 @@ struct X
 constexpr bool operator < ( const X &lhs, const X &rhs )
     { return lhs.i_ < rhs.i_ ; }
 
-#endif
-
 int main()
 {
-#if _LIBCPP_STD_VER > 11
     {
     typedef optional<X> O;
     
@@ -71,5 +67,4 @@ int main()
     static_assert ( !(o5 > o4), "" );
     static_assert ( !(o5 > o5), "" );
     }
-#endif
 }