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145
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1 // { dg-do run }
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2
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3 // Check correct operation of co_await in a loop without local state.
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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 #define USE_AWAIT_TRANSFORM
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9 #include "../coro1-ret-int-yield-int.h"
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10
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11 /* Valued with an await_transform. */
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12 int gX = 1;
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13
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14 coro1
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15 f ()
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16 {
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17 for (;;)
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18 {
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19 gX += co_await 11;
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20 if (gX > 100)
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21 break;
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22 }
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23 co_return gX;
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24 }
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25
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26 int main ()
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27 {
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28 PRINT ("main: create coro1");
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29 struct coro1 f_coro = f ();
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30 PRINT ("main: got coro1 - checking gX");
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31 if (gX != 1)
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32 {
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33 PRINTF ("main: gX is wrong : %d, should be 1\n", gX);
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34 abort ();
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35 }
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36 PRINT ("main: gX OK -- looping");
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37 do {
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38 PRINTF ("main: gX : %d \n", gX);
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39 f_coro.handle.resume();
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40 } while (!f_coro.handle.done());
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41
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42 int y = f_coro.handle.promise().get_value();
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43 // first value above 100 is 10*11 + 1.
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44 if (y != 111)
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45 {
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46 PRINTF ("main: y is wrong : %d, should be 111\n", y);
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47 abort ();
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48 }
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49 puts ("main: done");
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50 return 0;
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51 }
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