fix a whole bunch of vool to_mom

All but those requiring boot functions

test/vool/test_while_statement.rb

@@ -0,0 +1,27 @@
+require_relative "helper"
+
+module Vool
+  class TestSimpleWhileMom < MiniTest::Test
+    include VoolCompile
+
+    def setup
+      Parfait.boot!(Parfait.default_test_options)
+      @compiler = compile_first_method( "while(@a) ; @a = 5 ; end")
+      @ins = @compiler.mom_instructions.next
+    end
+
+    def test_compiles_as_while
+      assert_equal Label , @ins.class , @ins
+    end
+    def test_condition_compiles_to_check
+      assert_equal TruthCheck , @ins.next.class , @ins
+    end
+    def test_condition_is_slot
+      assert_equal SlotDefinition , @ins.next.condition.class , @ins
+    end
+    def test_array
+      check_array [Label, TruthCheck, SlotLoad, Jump, Label ,
+                    Label, ReturnSequence, Label], @ins
+    end
+  end
+end