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-rw-r--r--gcc-4.9/gcc/testsuite/obj-c++.dg/comp-types-5.mm74
1 files changed, 74 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/obj-c++.dg/comp-types-5.mm b/gcc-4.9/gcc/testsuite/obj-c++.dg/comp-types-5.mm
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+++ b/gcc-4.9/gcc/testsuite/obj-c++.dg/comp-types-5.mm
@@ -0,0 +1,74 @@
+/* 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;
+}