rubyx/test/vm/parfait/test_class.rb

require_relative "../helper"

class TestClass < MiniTest::Test

  def setup
    Register.machine.boot
    @space = Parfait.object_space
    @try = @space.create_class :Try , :Object
  end

  def test_type_forclass
    assert_equal "Class(Space)" ,  @space.get_type.object_class.inspect
    assert_equal :Space ,          @space.get_type.object_class.name
  end
  def test_new_superclass_name
    assert_equal :Object , @try.super_class_name
  end
  def test_new_superclass
    assert_equal "Class(Object)" , @try.super_class.inspect
  end
  def test_new_methods
    assert_equal @try.method_names.class, @try.instance_methods.class
    assert_equal @try.method_names.get_length , @try.instance_methods.get_length
  end
  def test_remove_nothere
    assert  !@try.remove_instance_method(:foo)
  end
  def test_resolve
    assert_nil @try.resolve_method :foo
  end
  def test_remove_method
    assert_equal false , @try.remove_instance_method( :foo)
  end
  def test_add_method
    assert_raises{ @try.add_instance_method(nil)}
  end
  def test_add_instance_variable_changes_type
    before = @space.get_class.instance_type
    @space.get_class.add_instance_variable(:counter , :Integer)
    assert before != @space.get_class.instance_type
  end
  def test_add_instance_variable_changes_type_hash
    before = @space.get_class.instance_type.hash
    @space.get_class.add_instance_variable(:counter , :Integer)
    assert before != @space.get_class.instance_type.hash
  end

end