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| -rw-r--r-- | test/Sema/objc-comptypes-7.m | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/test/Sema/objc-comptypes-7.m b/test/Sema/objc-comptypes-7.m new file mode 100644 index 0000000000..e4c949ac71 --- /dev/null +++ b/test/Sema/objc-comptypes-7.m @@ -0,0 +1,69 @@ +// RUN: clang -fsyntax-only -verify %s + +#include <objc/objc.h> + +extern void foo(); + +@protocol MyProtocol +- (void) method; +@end + +@interface MyClass +@end + +int main() +{ + id obj = nil; + id <MyProtocol> obj_p = nil; + MyClass *obj_c = nil; + Class obj_C = Nil; + + int i = 0; + int *j = nil; + + /* These should all generate warnings. */ + + obj = i; // expected-warning {{incompatible types assigning 'int' to 'id'}} + obj = j; // expected-warning {{incompatible pointer types assigning 'int *' to 'id'}} + + obj_p = i; // expected-error {{incompatible types assigning 'int' to 'id<MyProtocol>' }} + obj_p = j; // expected-error {{incompatible types assigning 'int *' to 'id<MyProtocol>'}} + + obj_c = i; // expected-warning {{incompatible types assigning 'int' to 'MyClass *'}} + obj_c = j; // expected-warning {{incompatible pointer types assigning 'int *' to 'MyClass *'}} + + obj_C = i; // expected-warning {{incompatible types assigning 'int' to 'Class'}} + obj_C = j; // expected-warning {{incompatible pointer types assigning 'int *' to 'Class'}} + + i = obj; // expected-warning {{incompatible types assigning 'id' to 'int'}} + i = obj_p; // expected-error {{incompatible types assigning 'id<MyProtocol>' to 'int'}} + i = obj_c; // expected-warning {{incompatible types assigning 'MyClass *' to 'int'}} + i = obj_C; // expected-warning {{incompatible types assigning 'Class' to 'int'}} + + j = obj; // expected-warning {{incompatible pointer types assigning 'id' to 'int *'}} + j = obj_p; // expected-error {{incompatible types assigning 'id<MyProtocol>' to 'int *'}} + j = obj_c; // expected-warning {{incompatible pointer types assigning 'MyClass *' to 'int *'}} + j = obj_C; // expected-warning {{incompatible pointer types assigning 'Class' to 'int *'}} + + if (obj == i) foo() ; // expected-warning {{comparison between pointer and integer ('id' and 'int')}} + if (i == obj) foo() ; // expected-warning {{comparison between pointer and integer ('int' and 'id')}} + if (obj == j) foo() ; // expected-warning {{comparison of distinct pointer types ('id' and 'int *')}} + if (j == obj) foo() ; // expected-warning {{comparison of distinct pointer types ('int *' and 'id')}} + + if (obj_c == i) foo() ; // expected-warning {{comparison between pointer and integer ('MyClass *' and 'int')}} + if (i == obj_c) foo() ; // expected-warning {{comparison between pointer and integer ('int' and 'MyClass *')}} + if (obj_c == j) foo() ; // expected-warning {{comparison of distinct pointer types ('MyClass *' and 'int *')}} + if (j == obj_c) foo() ; // expected-warning {{comparison of distinct pointer types ('int *' and 'MyClass *')}} + + if (obj_p == i) foo() ; // expected-error {{invalid operands to binary expression ('id<MyProtocol>' and 'int')}} + if (i == obj_p) foo() ; // expected-error {{invalid operands to binary expression ('int' and 'id<MyProtocol>')}} + if (obj_p == j) foo() ; // expected-error {{invalid operands to binary expression ('id<MyProtocol>' and 'int *')}} + if (j == obj_p) foo() ; // expected-error {{invalid operands to binary expression ('int *' and 'id<MyProtocol>')}} + + if (obj_C == i) foo() ; // expected-warning {{comparison between pointer and integer ('Class' and 'int')}} + if (i == obj_C) foo() ; // expected-warning {{comparison between pointer and integer ('int' and 'Class')}} + if (obj_C == j) foo() ; // expected-warning {{comparison of distinct pointer types ('Class' and 'int *')}} + if (j == obj_C) foo() ; // expected-warning {{comparison of distinct pointer types ('int *' and 'Class')}} + + return 0; +} |