89 lines
2.3 KiB
Ruby
89 lines
2.3 KiB
Ruby
require_relative "helper"
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module Risc
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class TestInterpreterBasics < MiniTest::Test
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def test_class
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assert_equal Risc::Interpreter , Interpreter.new.class
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end
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def test_starts_stopped
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assert_equal :stopped , Interpreter.new.state
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end
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def test_has_regs
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assert_equal 12 , Interpreter.new.registers.length
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end
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def test_has_r0
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assert_equal :r0 , Interpreter.new.registers.keys.first
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end
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end
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class TestInterpreterStarts < MiniTest::Test
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def setup
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@machine = Risc.machine.boot
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@machine.translate(:interpreter)
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@machine.position_all
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@interpreter = Interpreter.new
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end
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def test_starts
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assert_equal 0 , @interpreter.start_machine
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end
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def test_started
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@interpreter.start_machine
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assert_equal :running , @interpreter.state
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end
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def test_pos
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@interpreter.start_machine
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assert_equal 1 , @interpreter.clock
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end
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end
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class TestInterpreterTicks < MiniTest::Test
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def setup
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@machine = Risc.machine.boot
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@machine.translate(:interpreter)
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@machine.position_all
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@interpreter = Interpreter.new
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@interpreter.start_machine
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end
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def test_tick1
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assert_equal 2 , @interpreter.tick
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end
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def test_clock1
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@interpreter.tick
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assert_equal 2 , @interpreter.clock
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end
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def test_pc1
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@interpreter.tick
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assert_equal 18392 , @interpreter.pc
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end
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def test_tick2
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@interpreter.tick
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assert_equal 3 , @interpreter.tick
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end
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def test_clock2
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@interpreter.tick
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@interpreter.tick
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assert_equal 3 , @interpreter.clock
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end
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def test_pc2
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@interpreter.tick
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@interpreter.tick
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assert_equal 18396 , @interpreter.pc
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end
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def test_tick_14_jump
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14.times {@interpreter.tick}
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assert_equal Branch , @interpreter.instruction.class
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end
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def test_tick_14_bin
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13.times {@interpreter.tick}
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binary_pos = binary_position
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@interpreter.tick
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assert_equal binary_pos , binary_position , "#{binary_pos.to_s(16)}!=#{binary_position.to_s(16)}"
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end
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def binary_position
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Position.get(Position.get(@interpreter.instruction).binary).at
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end
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def test_tick_15 #more than a binary code worth
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15.times {@interpreter.tick}
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end
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end
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end
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