Added test to check that C++ constructors / destructors are called in the correct order when C++ 'objects' are ObjC ivars.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@32635 72102866-910b-0410-8b05-ffd578937521

Tests/base/NSObject/objc++.mm

@@ -0,0 +1,75 @@
+extern "C" {
+#import "ObjectTesting.h"
+#import <Foundation/Foundation.h>
+}
+
+static int A_init;
+static int B_init;
+static int A_destroyed;
+static int B_destroyed;
+
+class A
+{
+	int b;
+	public:
+	A() : b(12)
+	{
+		pass(0 == A_init, "Constructor only called once");
+		pass(0 == B_init, "a constructor called before b constructor ");
+		A_init = 1;
+	};
+	~A()
+	{
+		pass(0 == A_destroyed, "Destructor only called once");
+		pass(1 == B_destroyed, "b destructor called before a destructor");
+		A_destroyed = 1;
+	};
+};
+class A1
+{
+	int b;
+	public:
+	A1() : b(12)
+	{
+		pass(1 == A_init, "a constructor called before b constructor ");
+		B_init = 1;
+	};
+	~A1() 
+	{
+		pass(0 == A_destroyed, "b destructor called before a destructor");
+		B_destroyed = 1;
+	};
+};
+
+@interface B : NSObject
+{
+	A a;
+}
+@end
+@interface C : B
+{
+	A1 b;
+}
+@end
+
+@implementation B
+- (id)init
+{
+	pass(1 == A_init, "a constructor called before -init");
+	pass(1 == B_init, "b constructor called before -init");
+	pass(0 == A_destroyed, "a destructor not called before -init");
+	pass(0 == B_destroyed, "b destructor not called before -init");
+	return self;
+}
+@end
+
+@implementation C @end
+int main(void)
+{
+	// Make sure constructors / destructors are called even without -init
+	[[C alloc] release];
+	// Reset state
+	A_init = B_init = A_destroyed = B_destroyed = 0;
+	// Check init is called in the middle
+	[[C new] release];
+}