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comparison gcc/testsuite/g++.dg/coroutines/torture/func-params-05.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 // Test that we can manage a constructed param reference
4
5 #include "../coro.h"
6
7 // boiler-plate for tests of codegen
8 #include "../coro1-ret-int-yield-int.h"
9
10 // Require a ctor.
11 struct nontriv {
12 int a, b, c;
13 nontriv (int _a, int _b, int _c) : a(_a), b(_b), c(_c) {}
14 virtual int getA () { return a; }
15 };
16
17 struct coro1
18 f (nontriv &t) noexcept
19 {
20 if (t.a > 30)
21 {
22 PRINTF ("coro1: about to return %d", t.b);
23 co_return t.b;
24 }
25 else if (t.a > 20)
26 {
27 PRINTF ("coro1: about to co-return %d", t.c);
28 co_return t.c;
29 }
30 else
31 {
32 PRINT ("coro1: about to return 0");
33 co_return 0;
34 }
35 }
36
37 int main ()
38 {
39 PRINT ("main: create coro1");
40 nontriv test (25, 6174, 42);
41 struct coro1 x = f (test);
42 PRINT ("main: got coro1 - resuming");
43 if (x.handle.done())
44 abort();
45 x.handle.resume();
46 PRINT ("main: after resume");
47 int y = x.handle.promise().get_value();
48 if ( y != 42 )
49 abort ();
50 if (!x.handle.done())
51 {
52 PRINT ("main: apparently not done...");
53 abort ();
54 }
55 PRINT ("main: returning");
56 return 0;
57 }