From 0dc0969cd0a732760f0aa79942a04e0eaef297c4 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 16 Apr 2017 16:03:23 +0000
Subject: Vendor import of libc++ trunk r300422:
 https://llvm.org/svn/llvm-project/libcxx/trunk@300422

---
 .../unique.ptr.asgn/nullptr.pass.cpp               | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 test/std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.asgn/nullptr.pass.cpp

(limited to 'test/std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.asgn/nullptr.pass.cpp')

diff --git a/test/std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.asgn/nullptr.pass.cpp b/test/std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.asgn/nullptr.pass.cpp
new file mode 100644
index 0000000000000..e1e2e32e23c48
--- /dev/null
+++ b/test/std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.asgn/nullptr.pass.cpp
@@ -0,0 +1,40 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// unique_ptr
+
+// Test unique_ptr move assignment
+
+#include <memory>
+#include <cassert>
+
+#include "unique_ptr_test_helper.h"
+
+// test assignment from null
+
+template <bool IsArray>
+void test_basic() {
+  typedef typename std::conditional<IsArray, A[], A>::type VT;
+  const int expect_alive = IsArray ? 5 : 1;
+  {
+    std::unique_ptr<VT> s2(newValue<VT>(expect_alive));
+    assert(A::count == expect_alive);
+    s2 = nullptr;
+    assert(A::count == 0);
+    assert(s2.get() == 0);
+  }
+  assert(A::count == 0);
+}
+
+int main() {
+  test_basic</*IsArray*/ false>();
+  test_basic<true>();
+}
-- 
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