rubyx/test/mom/test_if_no_else.rb
Torsten Rüger 31ae0a9670 Add support for unless
ifs without a true branch would crash before
Somewhat more verbose but unified
2019-08-14 22:24:35 +03:00

52 lines
1.4 KiB
Ruby

require_relative "helper"
module Risc
class TestIfNoElse < MiniTest::Test
include Statements
def setup
super
@input = "if(@a) ; arg = 5 ; end"
@expect = [SlotToReg, SlotToReg, LoadConstant, OperatorInstruction, IsZero,
LoadConstant, OperatorInstruction, IsZero, Label, LoadConstant,
SlotToReg, RegToSlot, Label]
end
def test_if_instructions
assert_nil msg = check_nil , msg
end
def test_false_load
produced = produce_body
assert_equal Parfait::FalseClass , produced.next(2).constant.class
end
def test_isnotzero
produced = produce_body
check = produced.next(4)
assert_equal IsZero , check.class
end
def test_false_label
produced = produce_body
assert_equal Label , produced.next(12).class
end
def test_false_check
produced = produce_body
assert_equal produced.next(12) , produced.next(4).label
end
def test_nil_load
produced = produce_body
assert_equal Parfait::NilClass , produced.next(5).constant.class
end
def test_nil_check
produced = produce_body
assert_equal Label , produced.next(4).label.class
assert_equal produced.next(12) , produced.next(4).label
end
def test_true_label
produced = produce_body
assert produced.next(8).name.start_with?("true_label")
end
end
end