diff --git a/tests/test_pointrect.cc b/tests/test_pointrect.cc
index beaac28..7c387bb 100644
--- a/tests/test_pointrect.cc
+++ b/tests/test_pointrect.cc
@@ -138,10 +138,12 @@ BEGIN_TEST()
 	}
 
 	{
-		Rect r = Rect::FromCenter(100, 100, 5, 7);
+		// Constructors
+		EXPECT_TRUE(Rect::FromCenter(100, 100, 5, 7) == Rect(98, 97, 5, 7));
+		EXPECT_TRUE(Rect::FromCenter(Point(100, 100), Point(5, 7)) == Rect(98, 97, 5, 7));
 
-		EXPECT_TRUE(r.GetX() == 98 && r.GetY() == 97);
-		EXPECT_TRUE(r.GetX2() == 102 && r.GetY2() == 103);
+		EXPECT_TRUE(Rect::FromCorners(10, 20, 30, 40) == Rect(10, 20, 21, 21));
+		EXPECT_TRUE(Rect::FromCorners(Point(10, 20), Point(30, 40)) == Rect(10, 20, 21, 21));
 	}
 
 	{
@@ -166,6 +168,65 @@ BEGIN_TEST()
 		EXPECT_TRUE(!r.Contains(Rect(10, 20, 5, 6)));
 	}
 
+	{
+		// Rect intersections
+		// test both GetIntersection() and Intersects() as the former uses the latter
+		Rect rect(10, 20, 30, 40);
+
+		EXPECT_TRUE(rect.Intersects(rect));
+		EXPECT_TRUE(rect.GetIntersection(rect) == rect);
+
+		// simple intersection
+		EXPECT_TRUE(rect.GetIntersection(Rect(5, 15, 30, 40)) == Rect(10, 20, 25, 35));
+		EXPECT_TRUE(rect.GetIntersection(Rect(15, 25, 30, 40)) == Rect(15, 25, 25, 35));
+
+		// larger at left
+		EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 10, 80)) == NullOpt);
+		EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 11, 80)) == Rect(10, 20, 1, 40));
+
+		// larger at top
+		EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 50, 20)) == NullOpt);
+		EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 50, 21)) == Rect(10, 20, 30, 1));
+
+		// larger at bottom
+		EXPECT_TRUE(rect.GetIntersection(Rect(0, 60, 50, 20)) == NullOpt);
+		EXPECT_TRUE(rect.GetIntersection(Rect(0, 59, 50, 20)) == Rect(10, 59, 30, 1));
+
+		// larger at right
+		EXPECT_TRUE(rect.GetIntersection(Rect(40, 0, 20, 80)) == NullOpt);
+		EXPECT_TRUE(rect.GetIntersection(Rect(39, 0, 20, 80)) == Rect(39, 20, 1, 40));
+
+		// smaller at left
+		EXPECT_TRUE(rect.GetIntersection(Rect(0, 30, 10, 20)) == NullOpt);
+		EXPECT_TRUE(rect.GetIntersection(Rect(0, 30, 20, 20)) == Rect(10, 30, 10, 20));
+
+		// smaller at top
+		EXPECT_TRUE(rect.GetIntersection(Rect(20, 10, 10, 10)) == NullOpt);
+		EXPECT_TRUE(rect.GetIntersection(Rect(20, 10, 10, 20)) == Rect(20, 20, 10, 10));
+
+		// smaller at bottom
+		EXPECT_TRUE(rect.GetIntersection(Rect(20, 60, 10, 10)) == NullOpt);
+		EXPECT_TRUE(rect.GetIntersection(Rect(20, 50, 10, 20)) == Rect(20, 50, 10, 10));
+
+		// smaller at right
+		EXPECT_TRUE(rect.GetIntersection(Rect(40, 30, 10, 20)) == NullOpt);
+		EXPECT_TRUE(rect.GetIntersection(Rect(30, 30, 20, 20)) == Rect(30, 30, 10, 20));
+
+		// smaller
+		EXPECT_TRUE(rect.GetIntersection(Rect(20, 30, 10, 20)) == Rect(20, 30, 10, 20));
+
+		// larger
+		EXPECT_TRUE(rect.GetIntersection(Rect(0, 0, 100, 100)) == rect);
+	}
+
+	{
+		// Rect unions
+		EXPECT_TRUE(Rect(10, 20, 1, 1).GetUnion(Rect(30, 40, 1, 1)) == Rect::FromCorners(10, 20, 30, 40));
+		EXPECT_TRUE(Rect(30, 20, 1, 1).GetUnion(Rect(10, 40, 1, 1)) == Rect::FromCorners(10, 20, 30, 40));
+		EXPECT_TRUE(Rect(10, 40, 1, 1).GetUnion(Rect(30, 20, 1, 1)) == Rect::FromCorners(10, 20, 30, 40));
+		EXPECT_TRUE(Rect(30, 40, 1, 1).GetUnion(Rect(10, 20, 1, 1)) == Rect::FromCorners(10, 20, 30, 40));
+	}
+
 	{
 		// Rect offset
 		Rect r(1, 2, 3, 4);