Add separate test for forwardingTargetForSelector and forwardInvocation

Tests/base/GSFFIInvocation/forwardInvocation.m

@@ -9,9 +9,6 @@
 
 - (id) initWithItem: (NSString*)item;
 - (NSString*) originalItem;
-- (id) target;
-- (SEL)action;
-- (void) action: (id)sender;
 @end
 
 @implementation GSFakeNSString
@@ -30,23 +27,6 @@
   return _originalItem;
 }
 
-- (id)target
-{
-  return self;
-}
-
-- (SEL)action
-{
-  return @selector(action:);
-}
-
-- (id)forwardingTargetForSelector:(SEL)selector
-{
-  if ([_originalItem respondsToSelector:selector])
-    return _originalItem;
-  return nil;
-}
-
 - (void)forwardInvocation:(NSInvocation *)invocation
 {
   SEL selector = [invocation selector];
@@ -67,11 +47,6 @@
 	}
 	return(signature);
 }
-
-- (void)doesNotRecognizeSelector:(SEL)selector
-{
-  NSLog(@"%s:selector not recognized: %@", __PRETTY_FUNCTION__, NSStringFromSelector(selector));
-}
 @end
 
 int main(int argc,char **argv)

Tests/base/GSFFIInvocation/forwardingTargetForSelector.m

@@ -0,0 +1,55 @@
+#import <Foundation/Foundation.h>
+#import "Testing.h"
+#import "ObjectTesting.h"
+
+@interface GSFakeNSString : NSObject
+{
+  NSString* _originalItem;
+}
+
+- (id) initWithItem: (NSString*)item;
+- (NSString*) originalItem;
+@end
+
+@implementation GSFakeNSString
+- (id) initWithItem: (NSString*)item
+{
+  self = [super init];
+  if (self)
+  {
+    _originalItem = item;
+  }
+  return self;
+}
+
+- (NSString*) originalItem
+{
+  return _originalItem;
+}
+
+- (id)forwardingTargetForSelector:(SEL)selector
+{
+  if ([_originalItem respondsToSelector:selector])
+    return _originalItem;
+  return nil;
+}
+
+@end
+
+int main(int argc,char **argv)
+{
+  START_SET("GSFFIInvocation")
+
+  NSString *string = @"Hello, World!";
+
+  GSFakeNSString *fakeString = [[GSFakeNSString alloc] initWithItem:string];
+
+  NSString *upperCaseString = [string uppercaseString];
+  NSString *fakeUpperCaseString = [fakeString uppercaseString];
+
+  NSLog(@"Upper case string: %@, fake upper case string: %@", upperCaseString, fakeUpperCaseString);
+  PASS_EQUAL(upperCaseString, fakeUpperCaseString, "uppercaseString selector is forwarded from the fake string to the actual NSString object");
+
+  END_SET("GSFFIInvocation")
+  return 0;
+}