rubyx/test/sol/test_return.rb

57 lines
1.5 KiB
Ruby

require_relative "helper"
module Sol
class TestReturnSlotMachine < MiniTest::Test
include SolCompile
def setup
@compiler = compile_main( "return 5")
@ins = @compiler.slot_instructions.next
end
def test_class_compiles
assert_equal SlotLoad , @ins.class , @ins
end
def test_slot_is_set
assert @ins.left
end
def test_two_instructions_are_returned
assert_equal 5 , @ins.length
end
def test_slot_starts_at_message
assert_equal :message , @ins.left.known_object
end
def test_slot_gets_return
assert_equal :return_value , @ins.left.slots.name
end
def test_slot_assigns_something
assert @ins.right
end
def test_slot_assigns_int
assert_equal SlotMachine::IntegerConstant , @ins.right.known_object.class
end
def test_second_is_return
assert_equal ReturnJump, @ins.next(1).class
end
def test_array
check_array [SlotLoad, ReturnJump, Label, ReturnSequence, Label], @ins
end
end
class TestReturnSendSlotMachine < MiniTest::Test
include SolCompile
def setup
@compiler = compile_main( "return 5.div4" , "Integer.div4" )
@ins = @compiler.slot_instructions.next
end
def test_return_is_last
assert_equal ReturnJump , @ins.next(4).class
end
def test_array
check_array [MessageSetup, ArgumentTransfer, SimpleCall, SlotLoad, ReturnJump ,
Label, ReturnSequence, Label] , @ins
end
end
end