rubyx/test/vm/method_compiler/test_while_statement.rb
Torsten Ruger aa79e41d1c rename register to risc
seems to fit the layer much better as we really have a very reduced
instruction set
2017-01-19 09:02:29 +02:00

50 lines
2.2 KiB
Ruby

require_relative 'helper'
module Risc
class TestWhile < MiniTest::Test
include Statements
def test_while_mini
@input = s(:statements, s(:while_statement, :plus, s(:conditional, s(:int, 1)), s(:statements, s(:return, s(:int, 3)))))
@expect = [Label, Branch, Label, LoadConstant, RegToSlot, Label ,
LoadConstant, IsPlus, LoadConstant, SlotToReg, RegToSlot, Label ,
FunctionReturn]
assert_nil msg = check_nil , msg
end
def test_while_assign
Parfait.object_space.get_main.add_local(:n , :Integer)
@input = s(:statements, s(:l_assignment, s(:local, :n), s(:int, 5)),
s(:while_statement, :plus, s(:conditional, s(:local, :n)),
s(:statements, s(:l_assignment, s(:local, :n),
s(:operator_value, :-, s(:local, :n), s(:int, 1))))),
s(:return, s(:local, :n)))
@expect = [Label, LoadConstant, SlotToReg, RegToSlot, Branch, Label ,
SlotToReg, SlotToReg, LoadConstant, OperatorInstruction, SlotToReg, RegToSlot ,
Label, SlotToReg, SlotToReg, IsPlus, SlotToReg, SlotToReg ,
RegToSlot, LoadConstant, SlotToReg, RegToSlot, Label, FunctionReturn]
assert_nil msg = check_nil , msg
end
def test_while_return
Parfait.object_space.get_main.add_local(:n , :Integer)
@input = s(:statements, s(:l_assignment, s(:local, :n), s(:int, 10)), s(:while_statement, :plus, s(:conditional, s(:operator_value, :-, s(:local, :n), s(:int, 5))),
s(:statements, s(:l_assignment, s(:local, :n), s(:operator_value, :+, s(:local, :n), s(:int, 1))),
s(:return, s(:local, :n)))))
@expect = [Label, LoadConstant, SlotToReg, RegToSlot, Branch, Label ,
SlotToReg, SlotToReg, LoadConstant, OperatorInstruction, SlotToReg, RegToSlot ,
SlotToReg, SlotToReg, RegToSlot, Label, SlotToReg, SlotToReg ,
LoadConstant, OperatorInstruction, IsPlus, LoadConstant, SlotToReg, RegToSlot ,
Label, FunctionReturn]
assert_nil msg = check_nil , msg
end
end
end