75 lines
2.4 KiB
Plaintext
75 lines
2.4 KiB
Plaintext
|
/* Test errors for assignments and comparisons between ObjC and C++ types. */
|
||
|
/* Author: Nicola Pero <nicola@brainstorm.co.uk>. */
|
||
|
/* { dg-do compile } */
|
||
|
|
||
|
#include <objc/objc.h>
|
||
|
|
||
|
/* The NeXT runtime headers do not define NULL. */
|
||
|
#ifndef NULL
|
||
|
#define NULL ((void *)0)
|
||
|
#endif
|
||
|
|
||
|
@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 = (int *)NULL;
|
||
|
|
||
|
/* These should all generate warnings. */
|
||
|
|
||
|
obj = i; /* { dg-error "invalid conversion" } */
|
||
|
obj = j; /* { dg-error "cannot convert" } */
|
||
|
|
||
|
obj_p = i; /* { dg-error "invalid conversion" } */
|
||
|
obj_p = j; /* { dg-error "cannot convert" } */
|
||
|
|
||
|
obj_c = i; /* { dg-error "invalid conversion" } */
|
||
|
obj_c = j; /* { dg-error "cannot convert" } */
|
||
|
|
||
|
obj_C = i; /* { dg-error "invalid conversion" } */
|
||
|
obj_C = j; /* { dg-error "cannot convert" } */
|
||
|
|
||
|
i = obj; /* { dg-error "invalid conversion" } */
|
||
|
i = obj_p; /* { dg-error "invalid conversion" } */
|
||
|
i = obj_c; /* { dg-error "invalid conversion" } */
|
||
|
i = obj_C; /* { dg-error "invalid conversion" } */
|
||
|
|
||
|
j = obj; /* { dg-error "cannot convert" } */
|
||
|
j = obj_p; /* { dg-error "cannot convert" } */
|
||
|
j = obj_c; /* { dg-error "cannot convert" } */
|
||
|
j = obj_C; /* { dg-error "cannot convert" } */
|
||
|
|
||
|
if (obj == i) ; /* { dg-error "comparison between pointer and integer" } */
|
||
|
if (i == obj) ; /* { dg-error "comparison between pointer and integer" } */
|
||
|
if (obj == j) ; /* { dg-error "lacks a cast" } */
|
||
|
if (j == obj) ; /* { dg-error "lacks a cast" } */
|
||
|
|
||
|
if (obj_c == i) ; /*{ dg-error "comparison between pointer and integer" }*/
|
||
|
if (i == obj_c) ; /*{ dg-error "comparison between pointer and integer" }*/
|
||
|
if (obj_c == j) ; /* { dg-error "lacks a cast" } */
|
||
|
if (j == obj_c) ; /* { dg-error "lacks a cast" } */
|
||
|
|
||
|
if (obj_p == i) ; /*{ dg-error "comparison between pointer and integer" }*/
|
||
|
if (i == obj_p) ; /*{ dg-error "comparison between pointer and integer" }*/
|
||
|
if (obj_p == j) ; /* { dg-error "lacks a cast" } */
|
||
|
if (j == obj_p) ; /* { dg-error "lacks a cast" } */
|
||
|
|
||
|
if (obj_C == i) ; /*{ dg-error "comparison between pointer and integer" }*/
|
||
|
if (i == obj_C) ; /*{ dg-error "comparison between pointer and integer" }*/
|
||
|
if (obj_C == j) ; /* { dg-error "lacks a cast" } */
|
||
|
if (j == obj_C) ; /* { dg-error "lacks a cast" } */
|
||
|
|
||
|
return 0;
|
||
|
}
|