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authorno-author <no-author@gcc.gnu.org>2005-04-21 00:30:30 +0000
committerno-author <no-author@gcc.gnu.org>2005-04-21 00:30:30 +0000
commite057bc70225c833ec2ceb46d892dc6e35fb7c6f8 (patch)
treeb2a64c6e56959aa936909d3fa09685ddb2725839 /gcc/testsuite/obj-c++.dg/private-2.mm
parent5b5fcc5945558d32c619dd3047ae0ee16a6edd2f (diff)
This commit was manufactured by cvs2svn to create tagapple/gcc-5009
'apple-gcc-5009'. git-svn-id: https://gcc.gnu.org/svn/gcc/tags/apple-gcc-5009@98481 138bc75d-0d04-0410-961f-82ee72b054a4
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diff --git a/gcc/testsuite/obj-c++.dg/private-2.mm b/gcc/testsuite/obj-c++.dg/private-2.mm
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+/* APPLE LOCAL file Objective-C++ */
+/* Test warnings for shadowing instance variables. */
+/* Based on work by: Nicola Pero <nicola@brainstorm.co.uk>. */
+/* { dg-do compile } */
+#include <objc/objc.h>
+
+@interface MySuperClass
+{
+@private
+ int _private;
+
+@protected
+ int _protected;
+
+@public
+ int _public;
+}
+- (void) test;
+@end
+
+@implementation MySuperClass
+- (void) test
+{
+ /* FIXME: I wonder if the warnings shouldn't be better generated
+ when the variable is declared, rather than used! */
+ int _private = 12;
+ int _protected = 12;
+ int _public = 12;
+ int a;
+
+ a = _private; /* { dg-warning "hides instance variable" } */
+ a = _protected; /* { dg-warning "hides instance variable" } */
+ a = _public; /* { dg-warning "hides instance variable" } */
+}
+@end
+
+
+@interface MyClass : MySuperClass
+@end
+
+@implementation MyClass
+- (void) test
+{
+ int _private = 12;
+ int _protected = 12;
+ int _public = 12;
+ int a;
+
+ /* The private variable can be shadowed without warnings, because
+ * it's invisible, and not accessible, to the subclass! */
+ a = _private; /* Ok */
+ a = _protected; /* { dg-warning "hides instance variable" } */
+ a = _public; /* { dg-warning "hides instance variable" } */
+}
+@end