1 files changed, 26 insertions, 0 deletions
diff --git a/libcxx/test/support/DefaultOnly.h b/libcxx/test/support/DefaultOnly.h
new file mode 100644
index 00000000000..bdcf46d19ff
--- /dev/null
+++ b/libcxx/test/support/DefaultOnly.h
@@ -0,0 +1,26 @@
+#ifndef DEFAULTONLY_H
+#define DEFAULTONLY_H
+
+#include <cassert>
+
+class DefaultOnly
+{
+    int data_;
+
+    DefaultOnly(const DefaultOnly&);
+    DefaultOnly& operator=(const DefaultOnly&);
+public:
+    static int count;
+
+    DefaultOnly() : data_(-1) {++count;}
+    ~DefaultOnly() {data_ = 0; --count;}
+
+    friend bool operator==(const DefaultOnly& x, const DefaultOnly& y)
+        {return x.data_ == y.data_;}
+    friend bool operator< (const DefaultOnly& x, const DefaultOnly& y)
+        {return x.data_ < y.data_;}
+};
+
+int DefaultOnly::count = 0;
+
+#endif  // DEFAULTONLY_H