automaton_test.rb in stamina-0.4.0

- old
+ new

@@ -2,10 +2,22 @@
 require 'stamina/automaton'
 module Stamina
   
   class AutomatonTest < StaminaTest
 
+    def test_state_sink_q 
+      x, y = nil, nil
+      Automaton.new(true) do |fa|
+        x = fa.add_state(:initial => true,  :accepting => true)
+        y = fa.add_state(:initial => false, :accepting => false)
+        fa.connect(0,1,'a')
+        fa.connect(1,1,'b')
+      end
+      assert_equal false, x.sink?
+      assert_equal true, y.sink?
+    end
+
     # Tests that an automaton can be created with onself=true
     def test_new_on_self
       Automaton.new(true) do |fa|
         fa.add_state(:initial => true)
         add_state(:accepting => true)
@@ -1087,6 +1099,6 @@
       assert_equal other, dfa.initial_state
     end
 
   end
   
-end # module Stamina
\ No newline at end of file
+end # module Stamina