start a new ruby layer to do the to_vool conversion

the "normalization" is getting more and more complicated and is not tested
And it seems i really don't like working with the untyped ast

test/ruby/test_if_statement.rb

@@ -0,0 +1,92 @@
+require_relative 'helper'
+
+module Ruby
+  class TestIfStatementX < MiniTest::Test
+    include RubyTests
+
+    def basic_if
+      "if(10 < 12) ; true ; end"
+    end
+    def test_if_basic
+      lst = compile( basic_if )
+      assert_equal IfStatement , lst.class
+    end
+    def test_if_basic_cond
+      lst = compile( basic_if )
+      assert_equal ScopeStatement , lst.condition.class
+    end
+    def test_if_basic_branches
+      lst = compile( basic_if )
+      assert_equal TrueConstant , lst.if_true.class
+      assert_nil lst.if_false
+    end
+
+    def double_if
+      "if(false) ; true ; else ; false; end"
+    end
+    def test_if_double
+      lst = compile( double_if )
+      assert_equal IfStatement , lst.class
+    end
+    def test_if_double_cond
+      lst = compile( double_if )
+      assert_equal ScopeStatement , lst.condition.class
+    end
+    def test_if_double_branches
+      lst = compile( double_if )
+      assert_equal TrueConstant , lst.if_true.class
+      assert_equal FalseConstant, lst.if_false.class
+    end
+
+    def reverse_if
+      "true if(false)"
+    end
+    def test_if_reverse
+      lst = compile( reverse_if )
+      assert_equal IfStatement , lst.class
+    end
+    def test_if_reverse_cond
+      lst = compile( reverse_if )
+      assert_equal FalseConstant , lst.condition.class
+    end
+    def test_if_reverse_branches
+      lst = compile( reverse_if )
+      assert_equal TrueConstant , lst.if_true.class
+      assert_nil lst.if_false
+    end
+
+    def reverse_unless
+      "true unless(false)"
+    end
+    def test_if_reverse
+      lst = compile( reverse_unless )
+      assert_equal IfStatement , lst.class
+    end
+    def test_if_reverse_cond
+      lst = compile( reverse_unless )
+      assert_equal ScopeStatement , lst.condition.class
+    end
+    def test_if_reverse_branches
+      lst = compile( reverse_unless )
+      assert_nil  lst.if_true
+      assert_equal TrueConstant ,lst.if_false.class
+    end
+
+    def ternary
+      "false ? true : false"
+    end
+    def test_if_ternary
+      lst = compile( ternary )
+      assert_equal IfStatement , lst.class
+    end
+    def test_if_ternary_cond
+      lst = compile( ternary )
+      assert_equal FalseConstant , lst.condition.class
+    end
+    def test_if_ternary_branches
+      lst = compile( ternary )
+      assert_equal TrueConstant , lst.if_true.class
+      assert_equal FalseConstant, lst.if_false.class
+    end
+  end
+end