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

4 files changed, 12 insertions, 4 deletions

diff --git a/libcxx/test/std/experimental/string.view/string.view.modifiers/clear.pass.cpp b/libcxx/test/std/experimental/string.view/string.view.modifiers/clear.pass.cpp
index 6a9982e0d3a..9a4891c8f25 100644
--- a/libcxx/test/std/experimental/string.view/string.view.modifiers/clear.pass.cpp
+++ b/libcxx/test/std/experimental/string.view/string.view.modifiers/clear.pass.cpp
@@ -15,6 +15,8 @@
 #include <experimental/string_view>
 #include <cassert>
 
+#include "test_macros.h"
+
 template<typename CharT>
 void test ( const CharT *s, size_t len ) {
     typedef std::experimental::basic_string_view<CharT> SV;
@@ -48,7 +50,7 @@ int main () {
     test ( L"a", 1 );
     test ( L"", 0 );
 
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
     test ( u"ABCDE", 5 );
     test ( u"a", 1 );
     test ( u"", 0 );
diff --git a/libcxx/test/std/experimental/string.view/string.view.modifiers/remove_prefix.pass.cpp b/libcxx/test/std/experimental/string.view/string.view.modifiers/remove_prefix.pass.cpp
index 9752d3e44fb..4a31486afaa 100644
--- a/libcxx/test/std/experimental/string.view/string.view.modifiers/remove_prefix.pass.cpp
+++ b/libcxx/test/std/experimental/string.view/string.view.modifiers/remove_prefix.pass.cpp
@@ -16,6 +16,8 @@
 #include <cassert>
 #include <iostream>
 
+#include "test_macros.h"
+
 template<typename CharT>
 void test ( const CharT *s, size_t len ) {
     typedef std::experimental::basic_string_view<CharT> SV;
@@ -55,7 +57,7 @@ int main () {
     test ( L"a", 1 );
     test ( L"", 0 );
 
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
     test ( u"ABCDE", 5 );
     test ( u"a", 1 );
     test ( u"", 0 );
diff --git a/libcxx/test/std/experimental/string.view/string.view.modifiers/remove_suffix.pass.cpp b/libcxx/test/std/experimental/string.view/string.view.modifiers/remove_suffix.pass.cpp
index 3b8f14dfa2d..9ddc6de84bf 100644
--- a/libcxx/test/std/experimental/string.view/string.view.modifiers/remove_suffix.pass.cpp
+++ b/libcxx/test/std/experimental/string.view/string.view.modifiers/remove_suffix.pass.cpp
@@ -15,6 +15,8 @@
 #include <experimental/string_view>
 #include <cassert>
 
+#include "test_macros.h"
+
 template<typename CharT>
 void test ( const CharT *s, size_t len ) {
     typedef std::experimental::basic_string_view<CharT> SV;
@@ -55,7 +57,7 @@ int main () {
     test ( L"a", 1 );
     test ( L"", 0 );
 
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
     test ( u"ABCDE", 5 );
     test ( u"a", 1 );
     test ( u"", 0 );
diff --git a/libcxx/test/std/experimental/string.view/string.view.modifiers/swap.pass.cpp b/libcxx/test/std/experimental/string.view/string.view.modifiers/swap.pass.cpp
index f16535c39d2..d747def8549 100644
--- a/libcxx/test/std/experimental/string.view/string.view.modifiers/swap.pass.cpp
+++ b/libcxx/test/std/experimental/string.view/string.view.modifiers/swap.pass.cpp
@@ -15,6 +15,8 @@
 #include <experimental/string_view>
 #include <cassert>
 
+#include "test_macros.h"
+
 template<typename CharT>
 void test ( const CharT *s, size_t len ) {
     typedef std::experimental::basic_string_view<CharT> SV;
@@ -54,7 +56,7 @@ int main () {
     test ( L"a", 1 );
     test ( L"", 0 );
 
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
     test ( u"ABCDE", 5 );
     test ( u"a", 1 );
     test ( u"", 0 );