rubyx/test/vool/test_local_assignment.rb

require_relative "helper"

module Vool
  class TestLocalMom < MiniTest::Test
    include VoolCompile

    def setup
      Parfait.boot!(Parfait.default_test_options)
      @compiler = compile_first_method( "a = 5")
      @ins = @compiler.mom_instructions.next
    end

    def test_compiles_not_array
      assert Array != @ins.class , @ins
    end
    def test_class_compiles
      assert_equal Mom::SlotLoad , @ins.class , @ins
    end
    def test_slot_is_set
      assert @ins.left
    end
    def test_slot_starts_at_message
      assert_equal :message , @ins.left.known_object
    end
    def test_slot_gets_frame
      assert_equal :frame , @ins.left.slots[0]
    end
    def test_slot_assigns_to_local
      assert_equal :a , @ins.left.slots[-1]
    end
    def test_slot_assigns_something
      assert @ins.right
    end
    def test_slot_assigns_int
      assert_equal Mom::IntegerConstant ,  @ins.right.known_object.class
    end
  end
end