Add tests to make sure that <string_view> provides std::size/data/empty in C++17 mode. This is LWG#3009, coming up for a vote in JAX - but we already do it, just don't have tests

llvm-svn: 323719

3 files changed, 31 insertions, 1 deletions

diff --git a/libcxx/test/std/iterators/iterator.container/data.pass.cpp b/libcxx/test/std/iterators/iterator.container/data.pass.cpp
index 09b7c013496..12ca9129526 100644
--- a/libcxx/test/std/iterators/iterator.container/data.pass.cpp
+++ b/libcxx/test/std/iterators/iterator.container/data.pass.cpp
@@ -23,6 +23,10 @@
 
 #include "test_macros.h"
 
+#if TEST_STD_VER > 14
+#include <string_view>
+#endif
+
 template<typename C>
 void test_const_container( const C& c )
 {
@@ -72,6 +76,12 @@ int main()
     test_const_container ( a );
     test_const_container ( il );
 
+#if TEST_STD_VER > 14
+    std::string_view sv{"ABC"};
+    test_container ( sv );
+    test_const_container ( sv );
+#endif
+
     static constexpr int arrA [] { 1, 2, 3 };
     test_const_array ( arrA );
 }
diff --git a/libcxx/test/std/iterators/iterator.container/empty.pass.cpp b/libcxx/test/std/iterators/iterator.container/empty.pass.cpp
index cd000cc2fe7..f6fe2351d3c 100644
--- a/libcxx/test/std/iterators/iterator.container/empty.pass.cpp
+++ b/libcxx/test/std/iterators/iterator.container/empty.pass.cpp
@@ -23,6 +23,10 @@
 
 #include "test_macros.h"
 
+#if TEST_STD_VER > 14
+#include <string_view>
+#endif
+
 template<typename C>
 void test_const_container( const C& c )
 {
@@ -74,6 +78,12 @@ int main()
     test_const_container ( a );
     test_const_container ( il );
 
+#if TEST_STD_VER > 14
+    std::string_view sv{"ABC"};
+    test_container ( sv );
+    test_const_container ( sv );
+#endif
+
     static constexpr int arrA [] { 1, 2, 3 };
     test_const_array ( arrA );
 }
diff --git a/libcxx/test/std/iterators/iterator.container/size.pass.cpp b/libcxx/test/std/iterators/iterator.container/size.pass.cpp
index 7d443e6e123..6d3bc512891 100644
--- a/libcxx/test/std/iterators/iterator.container/size.pass.cpp
+++ b/libcxx/test/std/iterators/iterator.container/size.pass.cpp
@@ -22,6 +22,11 @@
 
 #include "test_macros.h"
 
+#if TEST_STD_VER > 14
+#include <string_view>
+#endif
+
+
 template<typename C>
 void test_const_container( const C& c )
 {
@@ -65,7 +70,6 @@ int main()
     std::list<int>   l; l.push_back(2);
     std::array<int, 1> a; a[0] = 3;
     std::initializer_list<int> il = { 4 };
-
     test_container ( v );
     test_container ( l );
     test_container ( a );
@@ -76,6 +80,12 @@ int main()
     test_const_container ( a );
     test_const_container ( il );
 
+#if TEST_STD_VER > 14
+    std::string_view sv{"ABC"};
+    test_container ( sv );
+    test_const_container ( sv );
+#endif
+
     static constexpr int arrA [] { 1, 2, 3 };
     test_const_array ( arrA );
 }