Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/g++.dg/coroutines/torture/func-params-01.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-01.C Thu Feb 13 11:34:05 2020 +0900 @@ -0,0 +1,45 @@ +// { dg-do run } + +// Simplest test that we correctly handle function params in the body +// of the coroutine. No local state, just the parm. + +#include "../coro.h" + +// boiler-plate for tests of codegen +#include "../coro1-ret-int-yield-int.h" + +struct coro1 +f (int x) noexcept +{ + if (x > 20) + { + PRINT ("coro1: about to return k"); + co_return 6174; + } + else + { + PRINT ("coro1: about to return the answer"); + co_return 42; + } +} + +int main () +{ + PRINT ("main: create coro1"); + struct coro1 x = f (32); + PRINT ("main: got coro1 - resuming"); + if (x.handle.done()) + abort(); + x.handle.resume(); + PRINT ("main: after resume"); + int y = x.handle.promise().get_value(); + if ( y != 6174 ) + abort (); + if (!x.handle.done()) + { + PRINT ("main: apparently not done..."); + abort (); + } + PRINT ("main: returning"); + return 0; +}