1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// { dg-do run }
// Check that we can use co_await as a call parm.
#include "../coro.h"
// boiler-plate for tests of codegen
#define USE_AWAIT_TRANSFORM
#include "../coro1-ret-int-yield-int.h"
int gX = 1;
__attribute__((__noinline__))
static int
foo (int x)
{
return x + 2;
}
/* Function with a single await. */
coro1
f ()
{
gX = foo (co_await 9);
co_return gX + 31;
}
int main ()
{
PRINT ("main: create coro1");
struct coro1 f_coro = f ();
PRINT ("main: got coro1 - checking gX");
if (gX != 1)
{
PRINTF ("main: gX is wrong : %d, should be 1\n", gX);
abort ();
}
if (f_coro.handle.done())
{
PRINT ("main: we should not be 'done' [1]");
abort ();
}
PRINT ("main: resuming [1] (initial suspend)");
f_coro.handle.resume();
PRINT ("main: resuming [2] (await 9 parm)");
f_coro.handle.resume();
if (gX != 11)
{
PRINTF ("main: gX is wrong : %d, should be 11\n", gX);
abort ();
}
/* we should now have returned with the co_return 11 + 31) */
if (!f_coro.handle.done())
{
PRINT ("main: we should be 'done'");
abort ();
}
int y = f_coro.handle.promise().get_value();
if (y != 42)
{
PRINTF ("main: y is wrong : %d, should be 42\n", y);
abort ();
}
PRINT ("main: done");
return 0;
}
|
