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comparison gcc/testsuite/g++.dg/coroutines/torture/co-await-17-capture-comp-ref.C @ 152:2b5abeee2509

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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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145:1830386684a0 152:2b5abeee2509
1 // { dg-do run { target c++17 } }
2
3 #include "../coro.h"
4
5 class resumable {
6 public:
7 struct promise_type;
8 using coro_handle = std::coroutine_handle<promise_type>;
9 resumable(coro_handle handle) : handle_(handle) { }
10 resumable(resumable&) = delete;
11 resumable(resumable&&) = delete;
12 ~resumable() { handle_.destroy(); }
13 coro_handle handle_;
14 };
15
16 struct resumable::promise_type {
17 using coro_handle = std::coroutine_handle<promise_type>;
18 int used;
19 auto get_return_object() {
20 return coro_handle::from_promise(*this);
21 }
22 auto initial_suspend() { return std::suspend_never(); }
23 auto final_suspend() { return std::suspend_always(); }
24 void return_value(int x) {used = x;}
25 void unhandled_exception() {}
26
27 struct TestAwaiter {
28 int recent_test;
29 TestAwaiter(int test) : recent_test{test} {}
30 bool await_ready() { return false; }
31 void await_suspend(std::coroutine_handle<promise_type>) {}
32 int await_resume() {
33 return recent_test;
34 }
35 auto operator co_await() {
36 return *this;
37 }
38 };
39
40 struct TestAwaiterCH :TestAwaiter {
41 TestAwaiterCH(int test) : TestAwaiter(test) {};
42 };
43
44 struct TestAwaiterCHCH :TestAwaiterCH {
45 TestAwaiterCHCH(int test) : TestAwaiterCH(test) {};
46
47 resumable foo(){
48 int x = co_await *this;
49 co_return x;
50 }
51 };
52 };
53
54 struct TestP {
55 resumable::promise_type::TestAwaiterCHCH tp = resumable::promise_type::TestAwaiterCHCH(6);
56 };
57
58 resumable foo1(int t){
59 int x = co_await resumable::promise_type::TestAwaiterCH(t);
60 co_return x;
61 }
62
63 resumable foo2(){
64 struct TestP TP;
65 int x = co_await TP.tp;
66 co_return x;
67 }
68
69 resumable foo3(){
70 int x = co_await TestP{}.tp;
71 co_return x;
72 }
73
74 int main(){
75 auto t = resumable::promise_type::TestAwaiterCHCH(4);
76 resumable res = t.foo();
77 while (!res.handle_.done())
78 res.handle_.resume();
79 if (res.handle_.promise().used != 4)
80 abort();
81
82 resumable res1 = foo1(5);
83 while (!res1.handle_.done())
84 res1.handle_.resume();
85 if (res1.handle_.promise().used != 5)
86 abort();
87
88 resumable res2 = foo2();
89 while (!res2.handle_.done())
90 res2.handle_.resume();
91 if (res2.handle_.promise().used != 6)
92 abort();
93
94 resumable res3 = foo2();
95 while (!res3.handle_.done())
96 res3.handle_.resume();
97 if (res3.handle_.promise().used != 6)
98 abort();
99 }