spec/cg_point_spec.rb in geomotion-0.1 vs spec/cg_point_spec.rb in geomotion-0.5

@@ -30,9 +30,23 @@
       point = CGPoint.make(x: 100, y: 200)
       (@point + point).should == CGPointMake(110, 220)
     end
   end
 
+  describe "#- (unary)" do
+    it "should work" do
+      point = CGPoint.make(x: 100, y: 200)
+      (-point).should == CGPoint.new(-100, -200)
+    end
+  end
+
+  describe "#- (binary)" do
+    it "should work" do
+      point = CGPoint.make(x: 100, y: 200)
+      (point - point).should == CGPoint.new(0, 0)
+    end
+  end
+
   describe "#inside?" do
     it "should return true" do
       rect = CGRectMake(0, 0, 100, 100)
       @point.inside?(rect).should == true
     end
\ No newline at end of file