Rename this test to make it more general for including more tests.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180056 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/deprecated-objc-introspection.m b/test/SemaObjC/deprecated-objc-introspection.m
new file mode 100644
index 0000000..6d67641
--- /dev/null
+++ b/test/SemaObjC/deprecated-objc-introspection.m
@@ -0,0 +1,89 @@
+// RUN: %clang_cc1 -triple=x86_64-apple-darwin -fsyntax-only -verify %s
+
+//====------------------------------------------------------------====//
+// Test deprecated direct usage of the 'isa' pointer.
+//====------------------------------------------------------------====//
+
+typedef unsigned long NSUInteger;
+
+typedef struct objc_object {
+ struct objc_class *isa;
+} *id;
+
+@interface NSObject {
+ id firstobj;
+ struct objc_class *isa;
+}
+@end
+@interface Whatever : NSObject
++self;
+@end
+
+static void func() {
+
+ id x;
+
+ // rdar://8290002
+ [(*x).isa self]; // expected-warning {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
+ [x->isa self]; // expected-warning {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
+
+ Whatever *y;
+
+ // GCC allows this, with the following warning:
+ // instance variable 'isa' is @protected; this will be a hard error in the future
+ //
+ // FIXME: see if we can avoid the warning that follows the error.
+ [(*y).isa self]; // expected-error {{instance variable 'isa' is protected}} \
+ expected-warning{{receiver type 'struct objc_class *' is not 'id' or interface pointer, consider casting it to 'id'}}
+ [y->isa self]; // expected-error {{instance variable 'isa' is protected}} \
+ expected-warning{{receiver type 'struct objc_class *' is not 'id' or interface pointer, consider casting it to 'id'}}
+}
+
+// rdar://11702488
+// If an ivar is (1) the first ivar in a root class and (2) named `isa`,
+// then it should get the same warnings that id->isa gets.
+
+@interface BaseClass {
+@public
+ Class isa; // expected-note 4 {{instance variable is declared here}}
+}
+@end
+
+@interface OtherClass {
+@public
+ id firstIvar;
+ Class isa; // note, not first ivar;
+}
+@end
+
+@interface Subclass : BaseClass @end
+
+@interface SiblingClass : BaseClass @end
+
+@interface Root @end
+
+@interface hasIsa : Root {
+@public
+ Class isa; // note, isa is not in root class
+}
+@end
+
+@implementation Subclass
+-(void)method {
+ hasIsa *u;
+ id v;
+ BaseClass *w;
+ Subclass *x;
+ SiblingClass *y;
+ OtherClass *z;
+ (void)v->isa; // expected-warning {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
+ (void)w->isa; // expected-warning {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
+ (void)x->isa; // expected-warning {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
+ (void)y->isa; // expected-warning {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}}
+ (void)z->isa;
+ (void)u->isa;
+
+ w->isa = 0; // expected-warning {{assignment to Objective-C's isa is deprecated in favor of object_setClass()}}
+}
+@end
+