Bug 9096 - list::iterator not default constructible

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124508 91177308-0d34-0410-b5e6-96231b3b80d8

test/containers/sequences/vector.bool/iterators.pass.cpp

@@ -0,0 +1,59 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <vector>
+
+// iterator       begin();
+// iterator       end();
+// const_iterator begin()  const;
+// const_iterator end()    const;
+// const_iterator cbegin() const;
+// const_iterator cend()   const;
+
+#include <vector>
+#include <cassert>
+#include <iterator>
+
+int main()
+{
+    {
+        typedef bool T;
+        typedef std::vector<T> C;
+        C c;
+        C::iterator i = c.begin();
+        C::iterator j = c.end();
+        assert(std::distance(i, j) == 0);
+        assert(i == j);
+    }
+    {
+        typedef bool T;
+        typedef std::vector<T> C;
+        const C c;
+        C::const_iterator i = c.begin();
+        C::const_iterator j = c.end();
+        assert(std::distance(i, j) == 0);
+        assert(i == j);
+    }
+    {
+        typedef bool T;
+        typedef std::vector<T> C;
+        C c;
+        C::const_iterator i = c.cbegin();
+        C::const_iterator j = c.cend();
+        assert(std::distance(i, j) == 0);
+        assert(i == j);
+        assert(i == c.end());
+    }
+    {
+        typedef bool T;
+        typedef std::vector<T> C;
+        C::iterator i;
+        C::const_iterator j;
+    }
+}