rubyx/test/register/interpreter/test_if.rb

require_relative "helper"

class IfTest < MiniTest::Test
  include Ticker

  def setup
    @string_input = <<HERE
class Space
  int itest(int n)
    if_zero( n - 12)
      "then".putstring()
    else
      "else".putstring()
    end
  end

  int main()
    itest(20)
  end
end
HERE
    @input = s(:statements, s(:class, :Space, s(:derives, nil), s(:statements, s(:function, :Integer, s(:name, :itest), s(:parameters, s(:parameter, :Integer, :n)), s(:statements, s(:if_statement, :zero, s(:condition, s(:operator_value, :-, s(:name, :n), s(:int, 12))), s(:true_statements, s(:call, s(:name, :putstring), s(:arguments), s(:receiver, s(:string, "then")))), s(:false_statements, s(:call, s(:name, :putstring), s(:arguments), s(:receiver, s(:string, "else"))))))), s(:function, :Integer, s(:name, :main), s(:parameters), s(:statements, s(:call, s(:name, :itest), s(:arguments, s(:int, 20))))))))
    super
  end

  def test_if
      #show_ticks # get output of what is
      check_chain ["Branch","Label","LoadConstant","GetSlot","SetSlot",
     "LoadConstant","SetSlot","FunctionCall","Label","GetSlot",
     "GetSlot","SetSlot","LoadConstant","SetSlot","LoadConstant",
     "SetSlot","LoadConstant","SetSlot","LoadConstant","SetSlot",
     "RegisterTransfer","FunctionCall","Label","GetSlot","LoadConstant",
     "OperatorInstruction","IsZero","GetSlot","LoadConstant","SetSlot",
     "LoadConstant","SetSlot","LoadConstant","SetSlot","LoadConstant",
     "SetSlot","RegisterTransfer","FunctionCall","Label","GetSlot",
     "GetSlot","RegisterTransfer","Syscall","RegisterTransfer","RegisterTransfer",
     "SetSlot","Label","FunctionReturn","RegisterTransfer","GetSlot",
     "GetSlot","Branch","Label","Label","FunctionReturn",
     "RegisterTransfer","GetSlot","GetSlot","Label","FunctionReturn",
     "RegisterTransfer","Syscall","NilClass"]
  end
end