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145
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1 // { dg-do run }
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2
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3 // Test that we can manage a constructed param reference
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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 // Require a ctor.
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11 struct nontriv {
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12 int a, b, c;
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13 nontriv (int _a, int _b, int _c) : a(_a), b(_b), c(_c) {}
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14 virtual int getA () { return a; }
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15 };
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16
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17 struct coro1
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18 f (nontriv &t) noexcept
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19 {
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20 if (t.a > 30)
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21 {
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22 PRINTF ("coro1: about to return %d", t.b);
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23 co_return t.b;
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24 }
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25 else if (t.a > 20)
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26 {
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27 PRINTF ("coro1: about to co-return %d", t.c);
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28 co_return t.c;
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29 }
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30 else
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31 {
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32 PRINT ("coro1: about to return 0");
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33 co_return 0;
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34 }
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35 }
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36
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37 int main ()
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38 {
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39 PRINT ("main: create coro1");
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40 nontriv test (25, 6174, 42);
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41 struct coro1 x = f (test);
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42 PRINT ("main: got coro1 - resuming");
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43 if (x.handle.done())
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44 abort();
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45 x.handle.resume();
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46 PRINT ("main: after resume");
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47 int y = x.handle.promise().get_value();
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48 if ( y != 42 )
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49 abort ();
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50 if (!x.handle.done())
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51 {
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52 PRINT ("main: apparently not done...");
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53 abort ();
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54 }
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55 PRINT ("main: returning");
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56 return 0;
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57 }
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