rubyx/test/compiler/fragments/test_if.rb

require_relative 'helper'

class TestIf < MiniTest::Test
  include Fragments

  def test_if_basic
    @string_input = <<HERE
class Object
  int main()
    int n = 10
    if( n < 12)
      return 3
    else
      return 4
    end
  end
end
HERE
  @expect =  [[SaveReturn,Virtual::Set,Virtual::Set,Register::GetSlot,
                Register::GetSlot,Register::OperatorInstruction,Register::IsZeroBranch] ,
                [Virtual::Set,Register::AlwaysBranch] ,[Virtual::Set] ,[] ,[RegisterTransfer,GetSlot,FunctionReturn] ]
  check
  end

  def test_return
    @string_input = <<HERE
class Object
  int main()
    return 5
  end
end
HERE
  @expect =  [[SaveReturn,Virtual::Set] , [RegisterTransfer,GetSlot,FunctionReturn]]
  check
  end


  def test_if_function
    @string_input = <<HERE
class Object
  int itest(int n)
    if( n < 12)
      "then".putstring()
    else
      "else".putstring()
    end
  end

  int main()
    itest(20)
  end
end
HERE
    @expect =  [ [SaveReturn,Register::GetSlot,Virtual::Set,Virtual::Set,
                  Virtual::Set,Virtual::Set,Virtual::MethodCall] ,[RegisterTransfer,GetSlot,FunctionReturn] ]
  check
  end
end