75 lines
3.9 KiB
Mathematica
75 lines
3.9 KiB
Mathematica
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// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
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#define nil (void *)0;
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extern void foo();
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@protocol MyProtocol
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- (void) method;
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@end
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@interface MyClass
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@end
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int main()
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{
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id obj = nil;
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id <MyProtocol> obj_p = nil;
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MyClass *obj_c = nil;
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Class obj_C = nil;
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int i = 0;
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int *j = nil;
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/* These should all generate warnings. */
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obj = i; // expected-warning {{incompatible integer to pointer conversion assigning to 'id' from 'int'}}
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obj = j; // expected-warning {{incompatible pointer types assigning to 'id' from 'int *'}}
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obj_p = i; // expected-warning {{incompatible integer to pointer conversion assigning to 'id<MyProtocol>' from 'int'}}
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obj_p = j; // expected-warning {{incompatible pointer types assigning to 'id<MyProtocol>' from 'int *'}}
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obj_c = i; // expected-warning {{incompatible integer to pointer conversion assigning to 'MyClass *' from 'int'}}
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obj_c = j; // expected-warning {{incompatible pointer types assigning to 'MyClass *' from 'int *'}}
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obj_C = i; // expected-warning {{incompatible integer to pointer conversion assigning to 'Class' from 'int'}}
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obj_C = j; // expected-warning {{incompatible pointer types assigning to 'Class' from 'int *'}}
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i = obj; // expected-warning {{incompatible pointer to integer conversion assigning to 'int' from 'id'}}
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i = obj_p; // expected-warning {{incompatible pointer to integer conversion assigning to 'int' from 'id<MyProtocol>'}}
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i = obj_c; // expected-warning {{incompatible pointer to integer conversion assigning to 'int' from 'MyClass *'}}
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i = obj_C; // expected-warning {{incompatible pointer to integer conversion assigning to 'int' from 'Class'}}
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j = obj; // expected-warning {{incompatible pointer types assigning to 'int *' from 'id'}}
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j = obj_p; // expected-warning {{incompatible pointer types assigning to 'int *' from 'id<MyProtocol>'}}
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j = obj_c; // expected-warning {{incompatible pointer types assigning to 'int *' from 'MyClass *'}}
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j = obj_C; // expected-warning {{incompatible pointer types assigning to 'int *' from 'Class'}}
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if (obj == i) foo() ; // expected-warning {{comparison between pointer and integer ('id' and 'int')}}
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if (i == obj) foo() ; // expected-warning {{comparison between pointer and integer ('int' and 'id')}}
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if (obj == j) foo() ; // expected-warning {{comparison of distinct pointer types ('id' and 'int *')}}
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if (j == obj) foo() ; // expected-warning {{comparison of distinct pointer types ('int *' and 'id')}}
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if (obj_c == i) foo() ; // expected-warning {{comparison between pointer and integer ('MyClass *' and 'int')}}
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if (i == obj_c) foo() ; // expected-warning {{comparison between pointer and integer ('int' and 'MyClass *')}}
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if (obj_c == j) foo() ; // expected-warning {{comparison of distinct pointer types ('MyClass *' and 'int *')}}
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if (j == obj_c) foo() ; // expected-warning {{comparison of distinct pointer types ('int *' and 'MyClass *')}}
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if (obj_p == i) foo() ; // expected-warning {{comparison between pointer and integer ('id<MyProtocol>' and 'int')}}
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if (i == obj_p) foo() ; // expected-warning {{comparison between pointer and integer ('int' and 'id<MyProtocol>')}}
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if (obj_p == j) foo() ; // expected-warning {{comparison of distinct pointer types ('id<MyProtocol>' and 'int *')}}
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if (j == obj_p) foo() ; // expected-warning {{comparison of distinct pointer types ('int *' and 'id<MyProtocol>')}}
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if (obj_C == i) foo() ; // expected-warning {{comparison between pointer and integer ('Class' and 'int')}}
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if (i == obj_C) foo() ; // expected-warning {{comparison between pointer and integer ('int' and 'Class')}}
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if (obj_C == j) foo() ; // expected-warning {{comparison of distinct pointer types ('Class' and 'int *')}}
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if (j == obj_C) foo() ; // expected-warning {{comparison of distinct pointer types ('int *' and 'Class')}}
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Class bar1 = nil;
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Class <MyProtocol> bar = nil;
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bar = bar1;
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bar1 = bar;
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return 0;
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}
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