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/* Ensure that we indeed cannot obtain the value of a message send
if the chosen method signature returns 'void'. There used to
exist a cheesy hack that allowed it. While at it, check that
the first lexically occurring method signature gets picked
when sending messages to 'id'. */
/* Contributed by Ziemowit Laski <zlaski@apple.com> */
/* { dg-do compile } */
#include <objc/objc.h>
@interface Object1
- (void)initWithData:(Object1 *)data; /* { dg-line Object1_initWithData } */
@end
@interface Object2
- (id)initWithData:(Object1 *)data; /* { dg-line Object2_initWithData } */
@end
@interface Object3
- (id)initWithData:(Object2 *)data; /* { dg-line Object3_initWithData } */
@end
void foo(void) {
id obj1, obj2 = 0;
obj2 = [obj1 initWithData: obj2]; /* { dg-line initWithData_message } */
/* { dg-warning "multiple methods named .\\-initWithData:. found" "" { target *-*-* } .-1 } */
/* { dg-message "using .\\-\\(void\\)initWithData:\\(Object1 \\*\\)data." "" { target *-*-* } Object1_initWithData } */
/* { dg-message "also found .\\-\\(id\\)initWithData:\\(Object1 \\*\\)data." "" { target *-*-* } Object2_initWithData } */
/* { dg-message "also found .\\-\\(id\\)initWithData:\\(Object2 \\*\\)data." "" { target *-*-* } Object3_initWithData } */
/* The following error is a consequence of picking the "wrong" method signature. */
/* { dg-error "void value not ignored as it ought to be" "" { target *-*-* } initWithData_message } */
}
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