1 files changed, 78 insertions, 0 deletions
diff --git a/test/std/iterators/stream.iterators/istreambuf.iterator/istreambuf.iterator_equal/equal.pass.cpp b/test/std/iterators/stream.iterators/istreambuf.iterator/istreambuf.iterator_equal/equal.pass.cpp
new file mode 100644
index 000000000000..2005d303fb3b
--- /dev/null
+++ b/test/std/iterators/stream.iterators/istreambuf.iterator/istreambuf.iterator_equal/equal.pass.cpp
@@ -0,0 +1,78 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <iterator>
+
+// istreambuf_iterator
+
+// bool equal(istreambuf_iterator<charT,traits>& b) const;
+
+#include <iterator>
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::istringstream inf1("abc");
+        std::istringstream inf2("def");
+        std::istreambuf_iterator<char> i1(inf1);
+        std::istreambuf_iterator<char> i2(inf2);
+        std::istreambuf_iterator<char> i3;
+        std::istreambuf_iterator<char> i4;
+
+        assert( i1.equal(i1));
+        assert( i1.equal(i2));
+        assert(!i1.equal(i3));
+        assert(!i1.equal(i4));
+
+        assert( i2.equal(i1));
+        assert( i2.equal(i2));
+        assert(!i2.equal(i3));
+        assert(!i2.equal(i4));
+
+        assert(!i3.equal(i1));
+        assert(!i3.equal(i2));
+        assert( i3.equal(i3));
+        assert( i3.equal(i4));
+
+        assert(!i4.equal(i1));
+        assert(!i4.equal(i2));
+        assert( i4.equal(i3));
+        assert( i4.equal(i4));
+    }
+    {
+        std::wistringstream inf1(L"abc");
+        std::wistringstream inf2(L"def");
+        std::istreambuf_iterator<wchar_t> i1(inf1);
+        std::istreambuf_iterator<wchar_t> i2(inf2);
+        std::istreambuf_iterator<wchar_t> i3;
+        std::istreambuf_iterator<wchar_t> i4;
+
+        assert( i1.equal(i1));
+        assert( i1.equal(i2));
+        assert(!i1.equal(i3));
+        assert(!i1.equal(i4));
+
+        assert( i2.equal(i1));
+        assert( i2.equal(i2));
+        assert(!i2.equal(i3));
+        assert(!i2.equal(i4));
+
+        assert(!i3.equal(i1));
+        assert(!i3.equal(i2));
+        assert( i3.equal(i3));
+        assert( i3.equal(i4));
+
+        assert(!i4.equal(i1));
+        assert(!i4.equal(i2));
+        assert( i4.equal(i3));
+        assert( i4.equal(i4));
+    }
+}