New objc.dg test for new -Wundeclared-selector ObjC option

From-SVN: r56616

gcc/testsuite/ChangeLog

+Tue Aug 27 22:23:22 2002  Nicola Pero  <n.pero@mi.flashnet.it>
+
+	* objc.dg/undeclared-selector.m: New test.
+
 2002-08-27  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* g++.dg/other/offsetof1.C: Avoid cast warning.

gcc/testsuite/objc.dg/undeclared-selector.m

+/* Test for -Wundeclared-selector.  */
+/* Author: Nicola Pero <nicola@brainstorm.co.uk>.  */
+/* { dg-do compile } */
+/* { dg-options "-Wundeclared-selector" } */
+
+#include <objc/objc.h>
+
+@interface MyClass
+
++ (void) methodA;
+- (void) methodB;
++ (void) methodD;
+- (void) methodF;
+
+@end
+
+@implementation MyClass
+
++ (void) methodA {}
+- (void) methodB {}
++ (void) methodD
+{
+  SEL d = @selector(methodD); /* Ok */
+  SEL e = @selector(methodE); /* { dg-warning "undeclared selector" } */
+}
+
+- (void) methodE
+{
+  SEL e = @selector(methodE); /* Ok */
+}
+
+- (void) methodF
+{
+  SEL e = @selector(methodE); /* Ok */
+}
+
+@end
+
+int main (void)
+{
+  SEL a = @selector(methodA); /* Ok */
+  SEL b = @selector(methodB); /* Ok */
+  SEL c = @selector(methodC); /* { dg-warning "undeclared selector" } */
+  SEL d = @selector(methodD); /* Ok */
+  SEL e = @selector(methodE); /* Ok */
+  return 0;
+  
+}