Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/coroutines/torture/co-await-08-cascade.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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// { dg-do run } // Check cascaded co_await operations. #include "../coro.h" #define USE_AWAIT_TRANSFORM #include "../coro1-ret-int-yield-int.h" /* Valued with an await_transform. */ int gX = 1; coro1 f () { /* We are going to use an await transform that takes a long, the await_resume squares it. so we get 11 ** 4, 14641. */ gX = (int) co_await co_await 11L; co_return gX + 31; } int main () { PRINT ("main: create coro1"); struct coro1 f_coro = f (); PRINT ("main: got coro1 - checking gX"); if (gX != 1) { PRINTF ("main: gX is wrong : %d, should be 1\n", gX); abort (); } if (f_coro.handle.done()) { PRINT ("main: we should not be 'done' [1]"); abort (); } PRINT ("main: resuming [1] - inital suspend"); f_coro.handle.resume(); PRINT ("main: resuming [2] - nested"); f_coro.handle.resume(); PRINT ("main: resuming [3] - outer"); f_coro.handle.resume(); if (gX != 14641) { PRINTF ("main: gX is wrong : %d, should be 14641\n", gX); abort (); } /* we should now have returned with the co_return (14672) */ if (!f_coro.handle.done()) { PRINT ("main: we should be 'done' "); abort (); } int y = f_coro.handle.promise().get_value(); if (y != 14672) { PRINTF ("main: y is wrong : %d, should be 14672\n", y); abort (); } puts ("main: done"); return 0; }