1 // { dg-do run }
2
3 // Check type dependent function parms.
4
5 #include "../coro.h"
6
7 // boiler-plate for tests of codegen
8 // there is a promise ctor that takes a single int.
9 #include "../coro1-ret-int-yield-int.h"
10
11 template <typename T, typename U, typename V>
12 coro1
f(T x,U y,V z)13 f (T x, U y, V z) noexcept
14 {
15 PRINT ("coro1: about to return");
16 T xi = (T) y;
17 T yi = (T) z;
18 T zi = x;
19 co_return 3 + xi + yi + zi;
20 }
21
main()22 int main ()
23 {
24 PRINT ("main: create coro1");
25 struct coro1 x = f<int, float, double>(2, 18.0F, 19.0);
26
27 /* We should be using the default promise ctor, which sets the value
28 to -1. */
29 int y = x.handle.promise().get_value();
30 if ( y != -1 )
31 {
32 PRINT ("main: wrong promise init.");
33 abort ();
34 }
35
36 PRINT ("main: got coro1 - resuming");
37 if (x.handle.done())
38 abort();
39
40 x.handle.resume();
41 PRINT ("main: after resume (initial suspend)");
42
43 /* Now we should have the co_returned value. */
44 y = x.handle.promise().get_value();
45 if ( y != 42 )
46 {
47 PRINT ("main: wrong answer.");
48 abort ();
49 }
50
51 if (!x.handle.done())
52 {
53 PRINT ("main: apparently not done...");
54 abort ();
55 }
56 PRINT ("main: returning");
57 return 0;
58 }
59