Added label objects

[erd-marker.git] / spec / erd_handler / box_spec.rb

diff --git a/spec/erd_handler/box_spec.rb b/spec/erd_handler/box_spec.rb
new file mode 100644 (file)
index 0000000..82005d6
--- /dev/null
+++ b/spec/erd_handler/box_spec.rb
@@ -0,0 +1,42 @@
+require 'spec_helper'
+
+module ErdHandler
+  describe Box do
+    # Needed as RSpec includes the Psych YAML reader, which defines :y as
+    # a method for generating YAML of an object.
+    class Box
+      undef_method :y
+    end
+
+    describe "#contains?" do
+      it "reports when a box contains another" do 
+        b1 = Box.new 
+        b1.x = 10 ; b1.y = 10 ; b1.width = 20 ; b1.height = 20
+        b2 = Box.new ; b2.x =  5 ; b2.y =  5 ; b2.width = 30 ; b2.height = 30
+        b3 = Box.new ; b3.x = 15 ; b3.y = 15 ; b3.width = 20 ; b3.height = 20
+        
+        b1.should_not be_contains(b2)
+        b2.should be_contains(b1)
+        b1.should_not be_contains(b3)
+        b3.should_not be_contains(b1)
+      end
+    end # contains?
+
+    describe "#within?" do
+      it "reports when a box is within another" do 
+        b1 = Box.new 
+        b1.x = 10 ; b1.y = 10 ; b1.width = 20 ; b1.height = 20
+        b2 = Box.new ; b2.x =  5 ; b2.y =  5 ; b2.width = 30 ; b2.height = 30
+        b3 = Box.new ; b3.x = 15 ; b3.y = 15 ; b3.width = 20 ; b3.height = 20
+        
+        # Can't use the standard RSpec predicate notation as it clashes with 
+        # floating-point expectations
+        b1.within?(b2).should == true
+        b2.within?(b1).should == false
+        b1.within?(b3).should == false
+        b3.within?(b1).should == false
+      end
+    end # contains?
+
+  end
+end