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// { dg-do run }
// Test co-await in while condition.
#include "../coro.h"
// boiler-plate for tests of codegen
#include "../coro1-ret-int-yield-int.h"
/* An awaiter that suspends always and returns an int as the
await_resume output. */
struct IntAwaiter {
int v;
IntAwaiter (int _v) : v(_v) {}
bool await_ready () { return false; }
void await_suspend (coro::coroutine_handle<>) {}
int await_resume () { return v; }
};
struct coro1
my_coro (int t)
{
int v = 6174;
switch (co_await IntAwaiter (t) + 5)
{
default: break;
case 22: co_return v;
}
co_return 42;
}
int main ()
{
PRINT ("main: create coro");
struct coro1 x = my_coro (17);
if (x.handle.done())
{
PRINT ("main: apparently done when we should not be...");
abort ();
}
PRINT ("main: resume initial suspend");
x.handle.resume();
PRINT ("main: resume switch condition");
x.handle.resume();
int y = x.handle.promise().get_value();
if ( y != 6174 )
{
PRINTF ("main: apparently wrong value : %d\n", y);
abort ();
}
if (!x.handle.done())
{
PRINT ("main: apparently not done...");
abort ();
}
PRINT ("main: returning");
return 0;
}
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