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1 // RUN: %clang_cc1 -fsyntax-only -verify %s
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2
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3 @protocol P0
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4 @end
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5 @protocol P1
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6 @end
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7 @protocol P2
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8 @end
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9
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10 @interface A <P0>
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11 @end
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12
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13 @interface B : A
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14 @end
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15
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16 void bar(id x);
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17 void barP0(id<P0> x);
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18 void barP1(id<P1> x);
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19 void barP2(id<P2> x);
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20
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21 void f0(A *a) {
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22 id l = a;
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23 }
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24
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25 void f1(id x, A *a) {
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26 id<P0> l = a;
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27 }
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28
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29 void f2(id<P1> x) {
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30 id<P0> l = x; // expected-error {{cannot initialize a variable of type 'id<P0>' with an lvalue of type 'id<P1>'}}
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31 }
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32
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33 void f3(A *a) {
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34 id<P1> l = a; // expected-error {{cannot initialize a variable of type 'id<P1>' with an lvalue of type 'A *'}}
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35 }
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36
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37 void f4(int cond, id x, A *a) {
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38 bar(cond ? x : a);
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39 }
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40
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41 void f5(int cond, A *a, B *b) {
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42 bar(cond ? a : b);
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43 }
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44
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45 void f6(int cond, id x, A *a) {
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46 bar(cond ? (id<P0, P1>) x : a);
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47 }
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48
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49 void f7(int cond, id x, A *a) {
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50 bar(cond ? a : (id<P0, P1>) x);
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51 }
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52
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53 void f8(int cond, id<P0,P1> x0, id<P0,P2> x1) {
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54 barP0(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}}
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55 }
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56
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57 void f9(int cond, id<P0,P1> x0, id<P0,P2> x1) {
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58 barP1(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}}
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59 }
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60
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61 void f10(int cond, id<P0,P1> x0, id<P0,P2> x1) {
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62 barP2(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}}
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63 }
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64
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65 int f11(int cond, A* a, B* b) {
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66 return (cond? b : a)->x; // expected-error{{'A' does not have a member named 'x'}}
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67 }
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