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-rw-r--r--test/SemaObjC/comptypes-7.m70
1 files changed, 70 insertions, 0 deletions
diff --git a/test/SemaObjC/comptypes-7.m b/test/SemaObjC/comptypes-7.m
new file mode 100644
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--- /dev/null
+++ b/test/SemaObjC/comptypes-7.m
@@ -0,0 +1,70 @@
+// RUN: clang-cc -fsyntax-only -verify -pedantic %s
+
+#define nil (void *)0;
+#define Nil (void *)0;
+
+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 integer to pointer conversion assigning 'int', expected 'id'}}
+ obj = j; // expected-warning {{incompatible pointer types assigning 'int *', expected 'id'}}
+
+ obj_p = i; // expected-warning {{incompatible integer to pointer conversion assigning 'int', expected 'id<MyProtocol>'}}
+ obj_p = j; // expected-warning {{incompatible type assigning 'int *', expected 'id<MyProtocol>'}}
+
+ obj_c = i; // expected-warning {{incompatible integer to pointer conversion assigning 'int', expected 'MyClass *'}}
+ obj_c = j; // expected-warning {{incompatible pointer types assigning 'int *', expected 'MyClass *'}}
+
+ obj_C = i; // expected-warning {{incompatible integer to pointer conversion assigning 'int', expected 'Class'}}
+ obj_C = j; // expected-warning {{incompatible pointer types assigning 'int *', expected 'Class'}}
+
+ i = obj; // expected-warning {{incompatible pointer to integer conversion assigning 'id', expected 'int'}}
+ i = obj_p; // expected-warning {{incompatible pointer to integer conversion assigning 'id<MyProtocol>', expected 'int'}}
+ i = obj_c; // expected-warning {{incompatible pointer to integer conversion assigning 'MyClass *', expected 'int'}}
+ i = obj_C; // expected-warning {{incompatible pointer to integer conversion assigning 'Class', expected 'int'}}
+
+ j = obj; // expected-warning {{incompatible pointer types assigning 'id', expected 'int *'}}
+ j = obj_p; // expected-warning {{incompatible type assigning 'id<MyProtocol>', expected 'int *'}}
+ j = obj_c; // expected-warning {{incompatible pointer types assigning 'MyClass *', expected 'int *'}}
+ j = obj_C; // expected-warning {{incompatible pointer types assigning 'Class', expected '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-warning {{comparison between pointer and integer ('id<MyProtocol>' and 'int')}}
+ if (i == obj_p) foo() ; // expected-warning {{comparison between pointer and integer ('int' and 'id<MyProtocol>')}}
+ if (obj_p == j) foo() ; // expected-warning {{comparison of distinct pointer types ('id<MyProtocol>' and 'int *')}}
+ if (j == obj_p) foo() ; // expected-warning {{comparison of distinct pointer types ('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;
+}
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