1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <complex>
10 
11 // complex& operator=(const complex&);
12 // template<class X> complex& operator= (const complex<X>&);
13 
14 #include <complex>
15 #include <cassert>
16 
17 #include "test_macros.h"
18 
19 template <class T, class X>
20 void
21 test()
22 {
23     std::complex<T> c;
24     assert(c.real() == 0);
25     assert(c.imag() == 0);
26     std::complex<T> c2(1.5, 2.5);
27     c = c2;
28     assert(c.real() == 1.5);
29     assert(c.imag() == 2.5);
30     std::complex<X> c3(3.5, -4.5);
31     c = c3;
32     assert(c.real() == 3.5);
33     assert(c.imag() == -4.5);
34 }
35 
36 int main(int, char**)
37 {
38     test<float, float>();
39     test<float, double>();
40     test<float, long double>();
41 
42     test<double, float>();
43     test<double, double>();
44     test<double, long double>();
45 
46     test<long double, float>();
47     test<long double, double>();
48     test<long double, long double>();
49 
50   return 0;
51 }
52