simple if test without else

unveils many a bug that is now fixed

test/mom/test_if_simple_statement.rb

@@ -0,0 +1,29 @@
+require_relative "helper"
+
+module Mom
+  class TestSimpleIfMom < MiniTest::Test
+    include MomCompile
+
+    def setup
+      Risc.machine.boot
+      @stats = compile_first_method_flat( "if(@a == 5)  ; 5.mod4 ; end")
+      @first = @stats.next
+    end
+
+    def test_if_compiles
+      assert IfStatement != @stats.class , @stats
+    end
+    def test_check
+      assert_equal TruthCheck , @first.class
+    end
+    def test_condition_is_slot
+      assert_equal SlotDefinition , @first.condition.class , @first
+    end
+    def test_length
+      assert_equal 7 , @stats.length
+    end
+    def test_array
+      check_array [SlotMove,TruthCheck,Label,MessageSetup,SimpleCall,ArgumentTransfer,Label], @stats
+    end
+  end
+end