From 61b9a7258a7693d7f3674a5a1daf7b036ff1d382 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 6 Sep 2015 18:46:46 +0000
Subject: Import libc++ 3.7.0 release (r246257).

---
 .../func.wrap.func.con/nullptr_t_assign.pass.cpp   | 72 ++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t_assign.pass.cpp

(limited to 'test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t_assign.pass.cpp')

diff --git a/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t_assign.pass.cpp b/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t_assign.pass.cpp
new file mode 100644
index 000000000000..9b2482fb9d54
--- /dev/null
+++ b/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t_assign.pass.cpp
@@ -0,0 +1,72 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// class function<R(ArgTypes...)>
+
+// function& operator=(nullptr_t);
+
+#include <functional>
+#include <cassert>
+
+#include "count_new.hpp"
+
+class A
+{
+    int data_[10];
+public:
+    static int count;
+
+    A()
+    {
+        ++count;
+        for (int i = 0; i < 10; ++i)
+            data_[i] = i;
+    }
+
+    A(const A&) {++count;}
+
+    ~A() {--count;}
+
+    int operator()(int i) const
+    {
+        for (int j = 0; j < 10; ++j)
+            i += data_[j];
+        return i;
+    }
+};
+
+int A::count = 0;
+
+int g(int) {return 0;}
+
+int main()
+{
+    assert(globalMemCounter.checkOutstandingNewEq(0));
+    {
+    std::function<int(int)> f = A();
+    assert(A::count == 1);
+    assert(globalMemCounter.checkOutstandingNewEq(1));
+    assert(f.target<A>());
+    f = nullptr;
+    assert(A::count == 0);
+    assert(globalMemCounter.checkOutstandingNewEq(0));
+    assert(f.target<A>() == 0);
+    }
+    {
+    std::function<int(int)> f = g;
+    assert(globalMemCounter.checkOutstandingNewEq(0));
+    assert(f.target<int(*)(int)>());
+    assert(f.target<A>() == 0);
+    f = nullptr;
+    assert(globalMemCounter.checkOutstandingNewEq(0));
+    assert(f.target<int(*)(int)>() == 0);
+    }
+}
-- 
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