test other int methods

harness for testing compiler in a method (before just in a case)

test/risc/builtin/helper.rb

@@ -5,8 +5,6 @@ module Risc
     class BuiltinTest < MiniTest::Test
       include Ticker
       def setup
-        @string_input = as_main(main)
-        super
       end
     end
   end

test/risc/builtin/test_plus.rb

@@ -1,19 +0,0 @@
-require_relative "helper"
-
-module Risc
-  module Builtin
-    class PlusTest < BuiltinTest
-
-      def main
-        "return 5 + 5"
-      end
-      def test_add
-        #show_main_ticks # get output of what is
-        run_all
-        assert_equal Parfait::Integer , get_return.class
-        assert_equal 10 , get_return.value
-      end
-
-    end
-  end
-end

test/risc/builtin/test_simple_int.rb

@@ -0,0 +1,34 @@
+require_relative "helper"
+
+module Risc
+  module Builtin
+    class SimpleInt < BuiltinTest
+
+      def test_add
+        run_all "5 + 5"
+        assert_equal Parfait::Integer , get_return.class
+        assert_equal 10 , get_return.value
+      end
+      def test_minus
+        run_all "5 - 5"
+        assert_equal 0 , get_return.value
+      end
+      def test_minus_neg
+        run_all "5 - 15"
+        assert_equal -10 , get_return.value
+      end
+      def test_div10
+        run_all "45.div10"
+        assert_equal 4 , get_return.value
+      end
+      def test_div4
+        run_all "45.div4"
+        assert_equal 11 , get_return.value
+      end
+      def test_mult
+        run_all "4 * 4"
+        assert_equal 16 , get_return.value
+      end
+    end
+  end
+end

test/support/risc_interpreter.rb

@@ -14,6 +14,7 @@ module Risc
       @interpreter = Interpreter.new
       @interpreter.start Risc.machine.risc_init
     end
+    alias :do_setup :setup 
 
     # must be after boot, but before main compile, to define method
     def do_clean_compile
@@ -77,7 +78,13 @@ module Risc
       end
       classes
     end
-    alias :run_all  :all_classes
+
+    # do the setup, compile and run the input to the end
+    def run_all(input)
+      @string_input = as_main(input)
+      do_setup
+      all_classes
+    end
     # for chaning the tests quickly output all instructions that are executed
     def show_ticks
       classes = all_classes