| // { dg-do run } |
| |
| // Test modifying a local var across nested scopes containing vars |
| // hiding those at outer scopes. |
| |
| #include "../coro.h" |
| |
| // boiler-plate for tests of codegen |
| #include "../coro1-ret-int-yield-int.h" |
| |
| struct coro1 |
| f (int start) noexcept |
| { |
| int value = start; |
| { |
| int value = start + 5; |
| { |
| int value = start + 20; |
| } |
| { |
| int value = start + 1; |
| PRINT ("f: about to yield start"); |
| co_yield value; |
| } |
| } |
| |
| value -= 31; |
| PRINT ("f: about to yield (value-31)"); |
| co_yield value; |
| |
| value += 6163; |
| PRINT ("f: about to return (value+6163)"); |
| co_return value; |
| } |
| |
| int main () |
| { |
| PRINT ("main: create coro1"); |
| struct coro1 x = f (42); |
| PRINT ("main: got coro1 - resuming (1)"); |
| if (x.handle.done()) |
| abort(); |
| x.handle.resume(); |
| PRINT ("main: after resume (1)"); |
| int y = x.handle.promise().get_value(); |
| if ( y != 43 ) |
| abort (); |
| PRINT ("main: apparently got 42 - resuming (2)"); |
| if (x.handle.done()) |
| abort(); |
| x.handle.resume(); |
| PRINT ("main: after resume (2)"); |
| y = x.handle.promise().get_value(); |
| if ( y != 11 ) |
| abort (); |
| PRINT ("main: apparently got 11 - resuming (3)"); |
| if (x.handle.done()) |
| { |
| PRINT ("main: done?"); |
| abort(); |
| } |
| x.handle.resume(); |
| PRINT ("main: after resume (2) checking return"); |
| y = x.handle.promise().get_value(); |
| if ( y != 6174 ) |
| abort (); |
| PRINT ("main: apparently got 6174"); |
| if (!x.handle.done()) |
| { |
| PRINT ("main: apparently not done..."); |
| abort (); |
| } |
| PRINT ("main: returning"); |
| return 0; |
| } |