83 lines
2.8 KiB
Ruby
83 lines
2.8 KiB
Ruby
require_relative "helper"
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class InterpreterTest < MiniTest::Test
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def setup
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Virtual.machine.boot
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code = Ast::ExpressionList.new( [Ast::CallSiteExpression.new(:putstring, [] ,Ast::StringExpression.new("Hello again"))])
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Virtual::Compiler.compile( code , Virtual.machine.space.get_main )
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Virtual.machine.run_before "Register::CallImplementation"
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@interpreter = Interpreter.new
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@interpreter.start Virtual.machine.init
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end
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def ticks num
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last = nil
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num.times do
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last = @interpreter.instruction
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@interpreter.tick
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end
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return last
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end
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def test_branch
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was = @interpreter.block
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assert_equal Register::Branch , ticks(1).class
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assert was != @interpreter.block
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end
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def test_load
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assert_equal Register::LoadConstant , ticks(2).class
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assert_equal Parfait::Space , Virtual.machine.objects[ @interpreter.get_register(:r1)].class
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assert_equal :r1, @interpreter.instruction.array.symbol
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end
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def test_get
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assert_equal Register::GetSlot , ticks(3).class
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assert @interpreter.get_register( :r3 )
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assert @interpreter.get_register( :r3 ).is_a? Integer
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end
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def test_transfer
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transfer = ticks 5
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assert_equal Register::RegisterTransfer , transfer.class
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assert_equal @interpreter.get_register(transfer.to) , @interpreter.get_register(transfer.from)
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end
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def test_call
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assert_equal Register::FunctionCall , ticks(7).class
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assert @interpreter.link
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end
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def test_save
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done = ticks(8)
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assert_equal Register::SaveReturn , done.class
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assert @interpreter.get_register done.register.symbol
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end
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def test_chain
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["Branch" , "LoadConstant" , "GetSlot" , "SetSlot" , "RegisterTransfer" ,
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"GetSlot" , "FunctionCall" , "SaveReturn" , "LoadConstant" , "SetSlot" ,
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"GetSlot" , "GetSlot" , "SetSlot" , "LoadConstant" , "SetSlot" ,
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"RegisterTransfer" , "GetSlot" , "FunctionCall" , "SaveReturn" , "RegisterTransfer" ,
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"Syscall" , "RegisterTransfer" , "RegisterTransfer" , "SetSlot" , "GetSlot" ,
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"GetSlot" , "RegisterTransfer" ,"GetSlot" , "GetSlot","GetSlot",
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"FunctionReturn" , "RegisterTransfer" , "Syscall" , "NilClass"].each_with_index do |name , index|
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got = ticks(1)
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assert got.class.name.index(name) , "Wrong class for #{index+1}, expect #{name} , got #{got}"
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end
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end
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def test_putstring
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done = ticks(21)
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assert_equal Register::Syscall , done.class
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assert_equal "Hello again" , @interpreter.stdout
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end
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def test_return
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done = ticks(31)
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assert_equal Register::FunctionReturn , done.class
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assert @interpreter.block.is_a?(Virtual::Block)
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assert @interpreter.instruction.is_a?(Register::Instruction) , "not instruction #{@interpreter.instruction}"
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end
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def test_exit
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done = ticks(34)
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assert_equal NilClass , done.class
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end
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end
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