adds collect for the statements

test/vool/test_vool_compiler.rb

@@ -0,0 +1,38 @@
+require_relative "helper"
+
+module Vool
+  class TestVoolCompiler < MiniTest::Test
+    include CompilerHelper
+
+    def setup
+      Risc.machine.boot
+    end
+
+    def create_method
+      VoolCompiler.compile in_Test("def meth; @ivar ;end")
+      test = Parfait.object_space.get_class_by_name(:Test)
+      test.get_method(:meth)
+    end
+
+    def pest_creates_method_in_class
+      method = create_method
+      assert method , "No method created"
+    end
+
+    def pest_method_has_source
+      method = create_method
+      assert_equal "(ivar :@ivar)",  method.source.to_s
+    end
+
+    def pest_method_has_no_args
+      method = create_method
+      assert_equal 1 , method.args_type.instance_length
+    end
+
+    def pest_method_has_no_locals
+      method = create_method
+      assert_equal 1 , method.locals_type.instance_length
+    end
+
+  end
+end