Guard libc++ specific c.__invariants() tests in LIBCPP_ASSERT macros

llvm-svn: 267947

1 files changed, 3 insertions, 2 deletions

diff --git a/libcxx/test/std/strings/basic.string/string.ops/string_substr/substr.pass.cpp b/libcxx/test/std/strings/basic.string/string.ops/string_substr/substr.pass.cpp
index dc01f4f4774..145e8dde58b 100644
--- a/libcxx/test/std/strings/basic.string/string.ops/string_substr/substr.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.ops/string_substr/substr.pass.cpp
@@ -17,6 +17,7 @@
 #include <algorithm>
 #include <cassert>
 
+#include "test_macros.h"
 #include "min_allocator.h"
 
 template <class S>
@@ -26,7 +27,7 @@ test(const S& s, typename S::size_type pos, typename S::size_type n)
     try
     {
         S str = s.substr(pos, n);
-        assert(str.__invariants());
+        LIBCPP_ASSERT(str.__invariants());
         assert(pos <= s.size());
         typename S::size_type rlen = std::min(n, s.size() - pos);
         assert(str.size() == rlen);
@@ -101,7 +102,7 @@ int main()
     test(S("lsaijeqhtrbgcdmpfkno"), 20, 0);
     test(S("dplqartnfgejichmoskb"), 21, 0);
     }
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
     {
     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
     test(S(""), 0, 0);