rubyx/test/risc/interpreter/calling/test_mult.rb
Torsten Rüger 12b29285d7 Lots of preloading for tests
so many relied (implicitly( on some builtin function
after all can't do much in ruby without calling
Now all those dependencies are explicit
Small risc changes come because the macro version has a return label and unreachable label
2019-09-13 14:07:12 +03:00

46 lines
1.7 KiB
Ruby

require_relative "../helper"
module Risc
class InterpreterMultTest < MiniTest::Test
include Ticker
def setup
@preload = "Integer.mul"
@string_input = as_main "return #{2**31} * #{2**31}"
super
end
def test_mult
#show_main_ticks # get output of what is
check_main_chain [LoadConstant, SlotToReg, RegToSlot, LoadConstant, SlotToReg, #5
RegToSlot, LoadConstant, SlotToReg, RegToSlot, LoadConstant, #10
SlotToReg, RegToSlot, SlotToReg, FunctionCall, LoadConstant, #15
SlotToReg, LoadConstant, OperatorInstruction, IsNotZero, SlotToReg, #20
RegToSlot, SlotToReg, SlotToReg, SlotToReg, SlotToReg, #25
OperatorInstruction, RegToSlot, RegToSlot, SlotToReg, RegToSlot, #30
Branch, Branch, SlotToReg, SlotToReg, RegToSlot, #35
SlotToReg, SlotToReg, SlotToReg, FunctionReturn, SlotToReg, #40
RegToSlot, Branch, SlotToReg, SlotToReg, RegToSlot, #45
SlotToReg, SlotToReg, SlotToReg, FunctionReturn, Transfer, #50
SlotToReg, SlotToReg, Syscall, NilClass,] #55
assert_equal 0 , get_return
end
def test_zero
ticks( 12 )
assert @interpreter.flags[:zero]
end
def test_op
op = main_ticks(26)
assert_equal OperatorInstruction , op.class
assert_equal :r2 , op.left.symbol
assert_equal :r3 , op.right.symbol
assert_equal 0 , @interpreter.get_register(:r2)
assert_equal 2**31 , @interpreter.get_register(:r3)
end
def test_overflow
main_ticks( 26 )
assert @interpreter.flags[:overflow]
end
end
end