41 lines
972 B
Ruby
41 lines
972 B
Ruby
require_relative "helper"
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module Register
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class MultTest < MiniTest::Test
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include Ticker
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include AST::Sexp
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def setup
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@string_input = <<HERE
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class Space
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int main()
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return #{2**31} * #{2**31}
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end
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end
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HERE
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@input = s(:statements, s(:return, s(:operator_value, :*, s(:int, 2147483648), s(:int, 2147483648))))
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super
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end
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def test_mult
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#show_ticks # get output of what is
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check_chain [Branch, Label, LoadConstant, SlotToReg, RegToSlot,
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LoadConstant, RegToSlot, FunctionCall, Label, LoadConstant,
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LoadConstant, OperatorInstruction, RegToSlot, LoadConstant, SlotToReg,
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RegToSlot, Label, FunctionReturn, RegisterTransfer, Syscall,
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NilClass]
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check_return 0
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end
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def test_overflow
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ticks( 12 )
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assert @interpreter.flags[:overflow]
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end
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def test_zero
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ticks( 12 )
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assert @interpreter.flags[:zero]
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end
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end
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end
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