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-rw-r--r--test/std/strings/string.view/string.view.iterators/rbegin.pass.cpp61
1 files changed, 61 insertions, 0 deletions
diff --git a/test/std/strings/string.view/string.view.iterators/rbegin.pass.cpp b/test/std/strings/string.view/string.view.iterators/rbegin.pass.cpp
new file mode 100644
index 000000000000..381f792e5ce0
--- /dev/null
+++ b/test/std/strings/string.view/string.view.iterators/rbegin.pass.cpp
@@ -0,0 +1,61 @@
+//===----------------------------------------------------------------------===//
+//
+// 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_view>
+
+// const_iterator rbegin() const;
+
+#include <string_view>
+#include <cassert>
+
+#include "test_macros.h"
+
+template <class S>
+void
+test(S s)
+{
+ const S& cs = s;
+ typename S::reverse_iterator b = s.rbegin();
+ typename S::const_reverse_iterator cb1 = cs.rbegin();
+ typename S::const_reverse_iterator cb2 = s.crbegin();
+ if (!s.empty())
+ {
+ const size_t last = s.size() - 1;
+ assert( *b == s[last]);
+ assert( &*b == &s[last]);
+ assert( *cb1 == s[last]);
+ assert(&*cb1 == &s[last]);
+ assert( *cb2 == s[last]);
+ assert(&*cb2 == &s[last]);
+
+ }
+ assert( b == cb1);
+ assert( b == cb2);
+ assert(cb1 == cb2);
+}
+
+
+int main()
+{
+ typedef std::string_view string_view;
+ typedef std::u16string_view u16string_view;
+ typedef std::u32string_view u32string_view;
+ typedef std::wstring_view wstring_view;
+
+ test(string_view ());
+ test(u16string_view());
+ test(u32string_view());
+ test(wstring_view ());
+ test(string_view ( "123"));
+ test(wstring_view (L"123"));
+#if TEST_STD_VER >= 11
+ test(u16string_view{u"123"});
+ test(u32string_view{U"123"});
+#endif
+}