initial commit

node_modules/region/test/RegionTests.js

@@ -0,0 +1,57 @@
+describe('Region', function(){
+    var Region = require('../index')
+
+    it('should have correct width', function(){
+        var r = Region({
+            top: 10,
+            left: 20,
+            right: 40,
+            bottom: 20
+        })
+
+        r.getWidth()
+            .should
+            .equal(20)
+
+    })
+
+    it('should have correct height', function(){
+        var r = new Region({
+            top: 10,
+            left: 20,
+            width: 30,
+            height: 40
+        })
+
+        r.getBottom()
+            .should
+            .equal(50)
+    })
+
+    it('should return correct intersection', function(){
+        var r1 = Region({
+            top: 10,
+            left: 10,
+            right: 40,
+            bottom: 40
+        })
+
+        var r2 = Region({
+            top: 20,
+            left: 15,
+            right: 45,
+            bottom: 35
+        })
+
+        var intersection = r1.getIntersection(r2)
+
+        intersection.get()
+            .should
+            .eql({
+                top: 20,
+                left: 15,
+                right: 40,
+                bottom: 35
+            })
+    })
+})