starting math tests

2 files changed, 111 insertions, 0 deletions

diff --git a/test/test-rect.js b/test/test-rect.js
new file mode 100644
index 0000000..7dd7ae6
--- /dev/null
+++ b/test/test-rect.js
@@ -0,0 +1,63 @@
+var assert = require("assert")
+var vec = require("../public/assets/javascripts/rectangles/models/vec2.js")
+var Rect = require("../public/assets/javascripts/rectangles/models/rect.js")
+var FRONT = 0x1, BACK = 0x2, LEFT = 0x4, RIGHT = 0x8, FLOOR = 0x10, CEILING = 0x20
+var ALL = FRONT | BACK | LEFT | RIGHT
+
+describe('rect', function(){
+  describe('#intersects()', function(){
+		var rect = new Rect(0, 0, 10, 10)
+
+    it('intersects itself', function(){
+      assert.equal(true, rect.intersects( new Rect(0, 0, 10, 10) ));
+    })
+    it('intersects more wide', function(){
+      assert.equal(true, rect.intersects( new Rect(0, 0, 5, 10) ));
+    })
+    it('intersects less wide', function(){
+      assert.equal(true, rect.intersects( new Rect(0, 0, 15, 10) ));
+    })
+    it('intersects more tall', function(){
+      assert.equal(true, rect.intersects( new Rect(0, 0, 10, 5) ));
+    })
+    it('intersects less tall', function(){
+      assert.equal(true, rect.intersects( new Rect(0, 0, 10, 15) ));
+    })
+    it('intersects if right-adjacent', function(){
+      assert.equal(true, rect.intersects( new Rect(10, 0, 20, 10) ));
+    })
+    it('intersects if bottom-adjacent', function(){
+      assert.equal(true, rect.intersects( new Rect(0, 10, 10, 20) ));
+    })
+    it('does not intersect if to the right', function(){
+      assert.equal(false, rect.intersects( new Rect(20, 0, 40, 10) ));
+    })
+    it('does not intersect if beneath', function(){
+      assert.equal(false, rect.intersects( new Rect(0, 20, 10, 40) ));
+    })
+  /*
+    it('does not intersect if corners intersect', function(){
+      assert.equal(false, rect.intersects( new Rect(10, 10, 20, 20) ));
+    })
+  */
+
+  })
+  describe('#split()', function(){
+		var rect       = new Rect( 0,  0, 10, 10)
+		var east       = new Rect( 5,  0, 15, 10)
+		var east_in    = new Rect( 5,  0, 10, 10)
+		var east_edge  = new Rect(10,  0, 20, 10)
+		var south      = new Rect( 0,  5, 10, 15)
+		var south_in   = new Rect( 0,  5, 10, 10)
+		var south_edge = new Rect( 0, 10, 10, 15)
+		var corner     = new Rect( 5,  5, 15, 15)
+
+    it('splits east', function(){
+      var splits = rect.split(east)
+      var splits2 = east.split(rect)
+      console.log("\n")
+      console.log(rect+"")
+      console.log(splits.map(function(r){ return r.toString() }))
+    })
+  })
+})
diff --git a/test/test-vec2.js b/test/test-vec2.js
new file mode 100644
index 0000000..054d37b
--- /dev/null
+++ b/test/test-vec2.js
@@ -0,0 +1,48 @@
+var assert = require("assert")
+var vec2 = require("../public/assets/javascripts/rectangles/models/vec2.js")
+
+describe('vec2', function(){
+  describe('#intersects()', function(){
+		var vec = new vec2(0, 10)
+
+    it('intersects itself', function(){
+      assert.equal(true, vec.intersects( new vec2(0, 10) ));
+    })
+    it('intersects w/ same startpoint (shorter)', function(){
+      assert.equal(true, vec.intersects( new vec2(0, 5) ));
+    })
+    it('intersects w/ same startpoint (longer)', function(){
+      assert.equal(true, vec.intersects( new vec2(0, 15) ));
+    })
+    it('intersects w/ same endpoint (shorter)', function(){
+      assert.equal(true, vec.intersects( new vec2(5, 10) ));
+    })
+    it('intersects w/ same endpoint (longer)', function(){
+      assert.equal(true, vec.intersects( new vec2(-5, 10) ));
+    })
+    it('intersects when contained', function(){
+      assert.equal(true, vec.intersects( new vec2(-5, 15) ));
+    })
+    it('does not intersect when before', function(){
+      assert.equal(false, vec.intersects( new vec2(-10, -5) ));
+    })
+    it('does not intersect when after', function(){
+      assert.equal(false, vec.intersects( new vec2(15, 20) ));
+    })
+    it('contains itself', function(){
+      assert.equal(true, vec.contains( 0 ));
+      assert.equal(true, vec.contains( 5 ));
+      assert.equal(true, vec.contains( 10 ));
+    })
+    it('does not contain before or after', function(){
+      assert.equal(false, vec.contains( -5 ));
+      assert.equal(false, vec.contains( 15 ));
+    })
+    it('intersects when only startpoint matches', function(){
+      assert.equal(true, vec.intersects( new vec2(-5, 0) ));
+    })
+    it('intersects when only endpoint matches', function(){
+      assert.equal(true, vec.intersects( new vec2(10, 15) ));
+    })
+  })
+})