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comparison gcc/testsuite/g++.dg/coroutines/torture/co-yield-07-template-fn-param.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 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
10 #include "../coro1-ret-int-yield-int.h"
11
12 template <typename T>
13 coro1
14 f (T y) noexcept
15 {
16 PRINT ("coro1: about to return");
17 T x = y;
18 co_yield x + 3;
19 co_return 42;
20 }
21
22 int main ()
23 {
24 PRINT ("main: create coro1");
25 struct coro1 x = f<int>(17);
26
27 /* We should have created the promise with an initial value of
28 17. */
29 int y = x.handle.promise().get_value();
30 if ( y != 17 )
31 {
32 PRINTF ("main: wrong promise init (%d).", y);
33 abort ();
34 }
35 if (x.handle.done())
36 abort();
37
38 PRINT ("main: got coro1 - resuming");
39 x.handle.resume();
40 PRINT ("main: after resume (initial suspend)");
41
42 if (x.handle.done())
43 abort();
44
45 /* Now we should have the co_yielded value. */
46 y = x.handle.promise().get_value();
47 if ( y != 20 )
48 {
49 PRINTF ("main: wrong result (%d).", y);
50 abort ();
51 }
52
53 PRINT ("main: after resume (co_yield)");
54 x.handle.resume();
55
56 /* now we should have the co_returned value. */
57 y = x.handle.promise().get_value();
58 if ( y != 42 )
59 {
60 PRINTF ("main: wrong result (%d).", y);
61 abort ();
62 }
63
64 if (!x.handle.done())
65 {
66 PRINT ("main: apparently not done...");
67 abort ();
68 }
69 PRINT ("main: returning");
70 return 0;
71 }