Index: src/test/xy_test.cc
===================================================================
--- src/test/xy_test.cc	(revision 516)
+++ src/test/xy_test.cc	(revision 516)
@@ -0,0 +1,80 @@
+#include <xy.h>
+#include <iostream>
+using namespace std;
+using namespace hugo;
+
+bool passed = true;
+
+void check(bool rc, char *msg="") {
+  passed = passed && rc;
+  if(!rc) {
+    std::cerr << "Test failed! ("<< msg << ")" << std::endl; \
+ 
+
+  }
+}
+
+
+
+int main()
+{
+
+
+
+	typedef xy<int> XY;
+	
+	XY seged;
+	XY a(1,2);
+	XY b(3,4);
+
+	seged = a+b;
+	check(seged.x==4 && seged.y==6);
+
+	seged = a-b;
+	check(seged.x==-2 && seged.y==-2, "a-b");
+
+	check(a.normSquare()==5);
+	check(a*b==11, "a*b");
+
+	int l=2;
+	seged = a*l;
+	check(seged.x==2 && seged.y==4, "a*l");
+
+	seged = b/l;
+	check(seged.x==1 && seged.y==2, "b/l");
+
+	typedef BoundingBox<int> BB;
+	BB doboz1;
+	check(doboz1.empty(), "empty? Should be.");
+	
+	doboz1 += a;
+	check(!doboz1.empty(), "empty? Should not be.");
+	doboz1 += b;
+
+	check(doboz1.bottomLeft().x==1 && 
+	      doboz1.bottomLeft().y==2 &&
+	      doboz1.topRight().x==3 && 
+	      doboz1.topRight().y==4,  
+	      "added points to box");
+
+	seged.x=2;seged.y=3;
+	check(doboz1.inside(seged),"Inside? Should be.");
+
+	seged.x=1;seged.y=3;
+	check(doboz1.inside(seged),"Inside? Should be.");
+
+	seged.x=0;seged.y=3;
+	check(!doboz1.inside(seged),"Inside? Should not be.");
+
+	BB doboz2(seged);
+	check(!doboz2.empty(), "empty? Should not be.");
+
+	doboz2 += doboz1;
+	check(doboz2.inside(seged),"Inside? Should be.");
+
+	cout << (passed ? "All tests passed." : "Some of the tests failed!!!")
+	     << endl;
+
+	return passed ? 0 : 1;
+
+}