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145
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1 // { dg-do run }
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2
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3 // The simplest co_await we can do.
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4
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5 #include "../coro.h"
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6
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7 // boiler-plate for tests of codegen
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8 #include "../coro1-ret-int-yield-int.h"
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9
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10 int gX = 1;
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11
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12 coro1
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13 f ()
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14 {
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15 co_await coro1::suspend_always_prt{};
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16 co_return gX + 10;
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17 }
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18
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19 int main ()
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20 {
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21 PRINT ("main: create coro1");
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22 struct coro1 f_coro = f ();
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23 PRINT ("main: got coro1 - checking gX");
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24 if (gX != 1)
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25 {
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26 PRINTF ("main: gX is wrong : %d, should be 1\n", gX);
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27 abort ();
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28 }
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29 if (f_coro.handle.done())
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30 {
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31 PRINT ("main: we should not be 'done' [1]");
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32 abort ();
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33 }
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34 PRINT ("main: resuming [1] initial suspend");
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35 f_coro.handle.resume();
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36 PRINT ("main: resuming [2] co_await");
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37 f_coro.handle.resume();
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38 /* we should now have returned with the co_return (15) */
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39 if (!f_coro.handle.done())
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40 {
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41 PRINT ("main: we should be 'done' ");
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42 abort ();
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43 }
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44 int y = f_coro.handle.promise().get_value();
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45 if (y != 11)
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46 {
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47 PRINTF ("main: y is wrong : %d, should be 11\n", y);
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48 abort ();
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49 }
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50 puts ("main: done");
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51 return 0;
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52 }
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