rubyx/test/register/interpreter/test_puts.rb
2017-01-03 22:42:40 +02:00

71 lines
2.3 KiB
Ruby

require_relative "helper"
module Register
class TestPuts < MiniTest::Test
include Ticker
def setup
@string_input = <<HERE
class Space
int main()
"Hello again".putstring()
end
end
HERE
@input = s(:statements, s(:call, s(:name, :putstring), s(:arguments), s(:receiver, s(:string, "Hello again"))))
super
end
def test_chain
#show_ticks # get output of what is
check_chain ["Branch","Label","LoadConstant","SlotToReg","RegToSlot",
"LoadConstant","RegToSlot","FunctionCall","Label","SlotToReg",
"LoadConstant","RegToSlot","LoadConstant","RegToSlot","LoadConstant",
"SlotToReg","SlotToReg","RegToSlot","LoadConstant","RegToSlot",
"RegisterTransfer","FunctionCall","Label","SlotToReg","SlotToReg",
"RegisterTransfer","Syscall","RegisterTransfer","RegisterTransfer","RegToSlot",
"Label","FunctionReturn","RegisterTransfer","SlotToReg","SlotToReg",
"Label","FunctionReturn","RegisterTransfer","Syscall","NilClass"]
end
def test_branch
was = @interpreter.instruction
assert_equal Register::Branch , ticks(1).class
assert was != @interpreter.instruction
assert @interpreter.instruction , "should have gone to next instruction"
end
def test_load
assert_equal Register::LoadConstant , ticks(3).class
assert_equal Parfait::Space , @interpreter.get_register(:r2).class
assert_equal :r2, @interpreter.instruction.array.symbol
end
def test_get
assert_equal Register::SlotToReg , ticks(4).class
assert @interpreter.get_register( :r1 )
assert Integer , @interpreter.get_register( :r1 ).class
end
def test_call
assert_equal Register::FunctionCall , ticks(8).class
end
def test_putstring
done = ticks(27)
assert_equal Register::Syscall , done.class
assert_equal "Hello again" , @interpreter.stdout
end
def test_return
done = ticks(32)
assert_equal Register::FunctionReturn , done.class
assert Register::Label , @interpreter.instruction.class
assert @interpreter.instruction.is_a?(Register::Instruction) , "not instruction #{@interpreter.instruction}"
end
def test_exit
done = ticks(42)
assert_equal NilClass , done.class
assert_equal "Hello again" , @interpreter.stdout
end
end
end