Replace __cplusplus comparisons and dialect __has_feature checks with TEST_STD_VER.
This is a huge cleanup that helps make the libc++ test suite more portable.
Patch from STL@microsoft.com. Thanks STL!
llvm-svn: 272716
diff --git a/libcxx/test/std/experimental/string.view/string.view.access/front.pass.cpp b/libcxx/test/std/experimental/string.view/string.view.access/front.pass.cpp
index b1e0542..acb00a4 100644
--- a/libcxx/test/std/experimental/string.view/string.view.access/front.pass.cpp
+++ b/libcxx/test/std/experimental/string.view/string.view.access/front.pass.cpp
@@ -15,6 +15,8 @@
#include <experimental/string_view>
#include <cassert>
+#include "test_macros.h"
+
template <typename CharT>
bool test ( const CharT *s, size_t len ) {
std::experimental::basic_string_view<CharT> sv ( s, len );
@@ -30,7 +32,7 @@
assert ( test ( L"ABCDE", 5 ));
assert ( test ( L"a", 1 ));
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
assert ( test ( u"ABCDE", 5 ));
assert ( test ( u"a", 1 ));
@@ -38,7 +40,7 @@
assert ( test ( U"a", 1 ));
#endif
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
{
constexpr std::experimental::basic_string_view<char> sv ( "ABC", 2 );
static_assert ( sv.length() == 2, "" );