summaryrefslogtreecommitdiff
path: root/gcc/testsuite/objc.dg/method-conflict-1.m
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/objc.dg/method-conflict-1.m')
-rw-r--r--gcc/testsuite/objc.dg/method-conflict-1.m26
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/objc.dg/method-conflict-1.m b/gcc/testsuite/objc.dg/method-conflict-1.m
new file mode 100644
index 000000000..2cc96e4fd
--- /dev/null
+++ b/gcc/testsuite/objc.dg/method-conflict-1.m
@@ -0,0 +1,26 @@
+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, December 2010. */
+/* { dg-do compile } */
+
+#include <objc/objc.h>
+
+/* Test that you can not declare two methods, in the same protocol,
+ with the same name but conflicting method signatures. */
+
+@protocol MyProtocol
++ (int) method1: (int)x; /* { dg-message "previous declaration" } */
++ (float) method1: (int)x; /* { dg-error "duplicate declaration of method .\\+method1." } */
+
+- (int) method2: (int)x; /* { dg-message "previous declaration" } */
+- (int) method2: (float)x; /* { dg-error "duplicate declaration of method .\\-method2." } */
+
+@optional
++ (int *) method3: (int)x; /* { dg-message "previous declaration" } */
++ (int *) method3: (int **)x; /* { dg-error "duplicate declaration of method .\\+method3." } */
+
+- (id) method4: (id)x; /* { dg-message "previous declaration" } */
+- (void) method4: (id)x; /* { dg-error "duplicate declaration of method .\\-method4." } */
+@end
+
+/* We don't test conflicting types between @required and @optional
+ methods, as that is tested in method-conflict-2. */
+