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authorJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
committerJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
commitb094d6c4bf572654a031ecc4afe675154c886dc5 (patch)
tree89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/gcc/testsuite/obj-c++.dg/private-2.mm
parentdc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff)
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commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which are recorded in gcc-4.4.3/README.google. Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
Diffstat (limited to 'gcc-4.4.3/gcc/testsuite/obj-c++.dg/private-2.mm')
-rw-r--r--gcc-4.4.3/gcc/testsuite/obj-c++.dg/private-2.mm56
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/testsuite/obj-c++.dg/private-2.mm b/gcc-4.4.3/gcc/testsuite/obj-c++.dg/private-2.mm
new file mode 100644
index 000000000..3e6ff118d
--- /dev/null
+++ b/gcc-4.4.3/gcc/testsuite/obj-c++.dg/private-2.mm
@@ -0,0 +1,56 @@
+/* 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