vendor/libc++/libc++-release_370-r246257

1 files changed, 50 insertions, 0 deletions

diff --git a/test/libcxx/experimental/containers/sequences/dynarray/dynarray.zero/default.pass.cpp b/test/libcxx/experimental/containers/sequences/dynarray/dynarray.zero/default.pass.cpp
new file mode 100644
index 000000000000..93f3b18f192f
--- /dev/null
+++ b/test/libcxx/experimental/containers/sequences/dynarray/dynarray.zero/default.pass.cpp
@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// dynarray.zero
+
+// dynarray shall provide support for the special case of construction with a size of zero.
+// In the case that the size is zero, begin() == end() == unique value. 
+// The return value of data() is unspecified. 
+// The effect of calling front() or back() for a zero-sized dynarray is undefined.
+
+
+  
+#include <__config>
+
+#if _LIBCPP_STD_VER > 11
+
+#include <experimental/dynarray>
+#include <cassert>
+
+#include <algorithm>
+#include <complex>
+#include <string>
+
+using std::experimental::dynarray;
+
+template <class T>
+void test ( ) {
+    typedef dynarray<T> dynA;
+    
+    dynA d1 ( 0 );
+    assert ( d1.size() == 0 );
+    assert ( d1.begin() == d1.end ());
+    }
+
+int main()
+{
+    test<int> ();
+    test<double> ();
+    test<std::complex<double>> ();
+    test<std::string> ();
+}
+#else
+int main() {}
+#endif