nullptr.pass.cpp (951B)
1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <memory> 11 12 // unique_ptr 13 14 // Test unique_ptr move assignment 15 16 #include <memory> 17 #include <cassert> 18 19 #include "unique_ptr_test_helper.h" 20 21 // test assignment from null 22 23 template <bool IsArray> 24 void test_basic() { 25 typedef typename std::conditional<IsArray, A[], A>::type VT; 26 const int expect_alive = IsArray ? 5 : 1; 27 { 28 std::unique_ptr<VT> s2(newValue<VT>(expect_alive)); 29 assert(A::count == expect_alive); 30 s2 = nullptr; 31 assert(A::count == 0); 32 assert(s2.get() == 0); 33 } 34 assert(A::count == 0); 35 } 36 37 int main() { 38 test_basic</*IsArray*/ false>(); 39 test_basic<true>(); 40 }