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comparison gcc/testsuite/g++.dg/coroutines/torture/co-yield-05-co-aw.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 // { dg-do run }
2
3 // Check co_return co_await
4
5 #include "../coro.h"
6
7 // boiler-plate for tests of codegen
8 #include "../coro1-ret-int-yield-int.h"
9
10 struct coro1
11 f () noexcept
12 {
13 PRINT ("f: about to yield");
14 co_yield co_await coro1::suspend_always_intprt(42);
15
16 PRINT ("f: about to return 6174");
17 co_return 6174;
18 }
19
20 int main ()
21 {
22 PRINT ("main: create coro1");
23 struct coro1 x = f ();
24 if (x.handle.done())
25 abort();
26
27 PRINT ("main: resuming (initial suspend)");
28 x.handle.resume();
29 PRINT ("main: resuming (await intprt)");
30 x.handle.resume();
31
32 PRINT ("main: after resume (2)");
33 int y = x.handle.promise().get_value();
34 if ( y != 42 )
35 abort ();
36 PRINT ("main: apparently got 42");
37
38 PRINT ("main: got coro1 - resuming (co_yield)");
39 if (x.handle.done())
40 abort();
41 x.handle.resume();
42
43 PRINT ("main: after resume (co_yield)");
44 y = x.handle.promise().get_value();
45 if ( y != 6174 )
46 abort ();
47 PRINT ("main: apparently got 6174");
48 if (!x.handle.done())
49 {
50 PRINT ("main: apparently not done...");
51 abort ();
52 }
53 PRINT ("main: returning");
54 return 0;
55 }