1 files changed, 69 insertions, 0 deletions
diff --git a/test/std/strings/string.view/string.view.comparison/opeq.string_view.pointer.pass.cpp b/test/std/strings/string.view/string.view.comparison/opeq.string_view.pointer.pass.cpp
new file mode 100644
index 000000000000..079c89191e49
--- /dev/null
+++ b/test/std/strings/string.view/string.view.comparison/opeq.string_view.pointer.pass.cpp
@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// template<class charT, class traits>
+//   constexpr bool operator==(basic_string_view<charT,traits> lhs, const charT* rhs);
+// template<class charT, class traits>
+//   constexpr bool operator==(const charT* lhs, basic_string_view<charT,traits> rhs);
+
+#include <string_view>
+#include <cassert>
+
+#include "test_macros.h"
+#include "constexpr_char_traits.hpp"
+
+template <class S>
+void
+test(S lhs, const typename S::value_type* rhs, bool x)
+{
+    assert((lhs == rhs) == x);
+    assert((rhs == lhs) == x);
+}
+
+int main()
+{
+    {
+    typedef std::string_view S;
+    test(S(""), "", true);
+    test(S(""), "abcde", false);
+    test(S(""), "abcdefghij", false);
+    test(S(""), "abcdefghijklmnopqrst", false);
+    test(S("abcde"), "", false);
+    test(S("abcde"), "abcde", true);
+    test(S("abcde"), "abcdefghij", false);
+    test(S("abcde"), "abcdefghijklmnopqrst", false);
+    test(S("abcdefghij"), "", false);
+    test(S("abcdefghij"), "abcde", false);
+    test(S("abcdefghij"), "abcdefghij", true);
+    test(S("abcdefghij"), "abcdefghijklmnopqrst", false);
+    test(S("abcdefghijklmnopqrst"), "", false);
+    test(S("abcdefghijklmnopqrst"), "abcde", false);
+    test(S("abcdefghijklmnopqrst"), "abcdefghij", false);
+    test(S("abcdefghijklmnopqrst"), "abcdefghijklmnopqrst", true);
+    }
+
+#if TEST_STD_VER > 11
+    {
+    typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
+    constexpr SV  sv1;
+    constexpr SV  sv2 { "abcde", 5 };
+    static_assert (  sv1     == "", "" );
+    static_assert (  ""      == sv1, "" );
+    static_assert (!(sv1     == "abcde"), "" );
+    static_assert (!("abcde" == sv1), "" );
+
+    static_assert (  sv2      == "abcde", "" );
+    static_assert (  "abcde"  == sv2, "" );
+    static_assert (!(sv2      == "abcde0"), "" );
+    static_assert (!("abcde0" == sv2), "" );
+    }
+#endif
+}