Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/coroutines/torture/func-params-05.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 } // Test that we can manage a constructed param reference #include "../coro.h" // boiler-plate for tests of codegen #include "../coro1-ret-int-yield-int.h" // Require a ctor. struct nontriv { int a, b, c; nontriv (int _a, int _b, int _c) : a(_a), b(_b), c(_c) {} virtual int getA () { return a; } }; struct coro1 f (nontriv &t) noexcept { if (t.a > 30) { PRINTF ("coro1: about to return %d", t.b); co_return t.b; } else if (t.a > 20) { PRINTF ("coro1: about to co-return %d", t.c); co_return t.c; } else { PRINT ("coro1: about to return 0"); co_return 0; } } int main () { PRINT ("main: create coro1"); nontriv test (25, 6174, 42); struct coro1 x = f (test); 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 != 42 ) abort (); if (!x.handle.done()) { PRINT ("main: apparently not done..."); abort (); } PRINT ("main: returning"); return 0; }