103 lines
2.7 KiB
Ruby
103 lines
2.7 KiB
Ruby
require_relative "helper"
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module Risc
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class TestInterpreterBasics < MiniTest::Test
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include ScopeHelper
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def setup
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compiler = compiler_with_main()
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@linker = compiler.to_target( :interpreter)
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end
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def test_class
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assert_equal Risc::Interpreter , Interpreter.new(@linker).class
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end
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def test_starts
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interpreter = Interpreter.new(@linker)
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@linker.position_all
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assert_equal 0 , interpreter.start_program
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end
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def test_starts_stopped
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assert_equal :stopped , Interpreter.new(@linker).state
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end
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def test_has_regs
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assert_equal 16 , Interpreter.new(@linker).registers.length
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end
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def test_has_r0
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assert_equal :r0 , Interpreter.new(@linker).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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include Ticker
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def setup
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@string_input = as_main("return 5")
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super
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end
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def test_started
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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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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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include Ticker
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def setup
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@string_input = as_main("return 5")
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super
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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_pc
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@interpreter.tick
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assert_equal t = 36104 , @interpreter.pc
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@interpreter.tick
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assert_equal t + 4 , @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 ttest_tick_14_jump
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30.times { @interpreter.tick ;puts @interpreter.instruction.class}
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assert_equal Branch , @interpreter.instruction.class
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end
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def ttest_tick_14_bin
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29.times {@interpreter.tick}
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binary_pos = binary_position
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@interpreter.tick #jump has no listener
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@interpreter.tick
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assert binary_pos.at != binary_position.at , "#{binary_pos} == #{binary_position}"
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end
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def binary_position
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pos = Position.get(@interpreter.instruction)
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list = pos.event_table[:position_changed].first
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assert_equal InstructionListener, list.class
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Position.get(list.binary)
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end
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def test_tick_15 #more than a binary code worth
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31.times {@interpreter.tick}
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end
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class TestInterpreterDies < MiniTest::Test
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include Ticker
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def setup
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@string_input = as_main("random.call")
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super
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end
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def test_dies
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# no method does syscall :dies that raises
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assert_raises {44.times {@interpreter.tick}}
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end
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end
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end
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end
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