add new syntax test files

tests/syntax-tests/highlighted/Objective-C++/test.mm

@@ -0,0 +1,68 @@
+#import <Foundation/Foundation.h>
+
+class Hello {
+    private:
+        id greeting_text;
+
+    public:
+        Hello() {
+            greeting_text = @"Hello, world!";
+        }
+
+        Hello(const char* initial_greeting_text) {
+            greeting_text = [[NSString alloc] initWithUTF8String:initial_greeting_text];
+        }
+
+        void say_hello() {
+            printf("%s\n", [greeting_text UTF8String]);
+        }
+};
+
+@interface Greeting : NSObject {
+    @private
+        Hello *hello;
+
+}
+- (id)init;
+- (void)dealloc;
+- (void)sayGreeting;
+- (void)sayGreeting:(Hello*)greeting;
+@end
+
+@implementation Greeting
+- (id)init {
+    self = [super init];
+    if (self) {
+        hello = new Hello();
+    }
+    return self;
+}
+
+- (void)dealloc {
+    delete hello;
+    [super dealloc];
+}
+
+- (void)sayGreeting {
+    hello->say_hello();
+}
+
+- (void)sayGreeting:(Hello*)greeting {
+    greeting->say_hello();
+}
+@end
+
+int main() {
+
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    Greeting *greeting = [[Greeting alloc] init];
+    [greeting sayGreeting];
+
+    Hello *hello = new Hello("Bonjour, monde!");
+    [greeting sayGreeting:hello];
+
+    delete hello;
+    [greeting release];
+    [pool release];
+    return 0;
+}