Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/coroutines/torture/class-06-lambda-capture-ref.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 } // template parm in a class #include "../coro.h" // boiler-plate for tests of codegen #define USE_AWAIT_TRANSFORM #include "../coro1-ret-int-yield-int.h" template <typename T> class foo { public: void use_lambda () { int a_copy = 20; int a_ref = 10; auto f = [&, a_copy]() -> coro1 { co_yield a_ref + a_copy; co_return a_ref + a_copy; }; coro1 A = f (); A.handle.resume(); // Initial suspend. PRINT ("main: [a_copy = 20, a_ref = 10]"); int y = A.handle.promise().get_value(); if (y != 30) { PRINTF ("main: co-yield = %d, should be 30\n", y); abort (); } a_copy = 5; a_ref = 7; A.handle.resume(); // from the yield. PRINT ("main: [a_copy = 5, a_ref = 7]"); y = A.handle.promise().get_value(); if (y != 27) { PRINTF ("main: co-ret = %d, should be 27\n", y); abort (); } PRINT ("use_lambda: about to return"); } ~foo () { PRINT ("foo: DTOR"); } }; int main () { foo<int> inst; inst.use_lambda(); return 0; }