Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/coroutines/torture/local-var-4.C @ 158:494b0b89df80 default tip
...
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
children |
line wrap: on
line source
// { 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; }