libcxx initial import

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8

test/utilities/tuple/tuple.tuple/alloc_first.h

@@ -0,0 +1,49 @@
+#ifndef ALLOC_FIRST_H
+#define ALLOC_FIRST_H
+
+#include <cassert>
+
+#include "allocators.h"
+
+struct alloc_first
+{
+    static bool allocator_constructed;
+
+    typedef A1<int> allocator_type;
+
+    int data_;
+
+    alloc_first() : data_(0) {}
+    alloc_first(int d) : data_(d) {}
+    alloc_first(std::allocator_arg_t, const A1<int>& a)
+        : data_(0)
+    {
+        assert(a.id() == 5);
+        allocator_constructed = true;
+    }
+
+    alloc_first(std::allocator_arg_t, const A1<int>& a, int d)
+        : data_(d)
+    {
+        assert(a.id() == 5);
+        allocator_constructed = true;
+    }
+
+    alloc_first(std::allocator_arg_t, const A1<int>& a, const alloc_first& d)
+        : data_(d.data_)
+    {
+        assert(a.id() == 5);
+        allocator_constructed = true;
+    }
+
+    ~alloc_first() {data_ = -1;}
+
+    friend bool operator==(const alloc_first& x, const alloc_first& y)
+        {return x.data_ == y.data_;}
+    friend bool operator< (const alloc_first& x, const alloc_first& y)
+        {return x.data_ < y.data_;}
+};
+
+bool alloc_first::allocator_constructed = false;
+
+#endif