start to test if

truth check is only half done

test/mom/test_if_no_else.rb

@@ -0,0 +1,23 @@
+require_relative "helper"
+
+module Risc
+  class TestIfNoElse < MiniTest::Test
+    include Statements
+
+    def setup
+      super
+      @input = "if(@a) ; arg = 5 ; end"
+      @expect = [SlotToReg, SlotToReg, LoadConstant, IsSame, Label, LoadConstant ,
+                 SlotToReg, RegToSlot, Label]
+    end
+
+    def test_if_instructions
+      assert_nil msg = check_nil , msg
+    end
+
+    def ttest_if_instructions
+      produced = produce_body
+      assert_equal 5 , produced.class , produced
+    end
+  end
+end