113 lines
4.6 KiB
Ruby
113 lines
4.6 KiB
Ruby
require_relative 'helper'
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module Risc
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class TestAssignStatement < MiniTest::Test
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include Statements
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def test_assign_op
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Parfait.object_space.get_main.add_local(:r , :Integer)
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@input = s(:statements, s(:l_assignment, s(:local, :r), s(:operator_value, :+, s(:int, 10), s(:int, 1))))
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@expect = [Label, LoadConstant, LoadConstant, OperatorInstruction, SlotToReg, RegToSlot ,
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LoadConstant, SlotToReg, RegToSlot, Label, FunctionReturn]
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assert_nil msg = check_nil , msg
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end
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def test_assign_ivar_notpresent
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@input =s(:statements, s(:i_assignment, s(:ivar, :r), s(:int, 5)))
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@expect = []
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assert_raises{ check_nil }
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end
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def test_assign_ivar
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add_space_field(:r , :Integer)
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@input =s(:statements, s(:i_assignment, s(:ivar, :r), s(:int, 5)))
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@expect = [Label, LoadConstant, SlotToReg, RegToSlot, LoadConstant, SlotToReg ,
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RegToSlot, Label, FunctionReturn]
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assert_nil msg = check_nil , msg
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end
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def test_assign_local_assign
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Parfait.object_space.get_main.add_local(:r , :Integer)
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@input = s(:statements, s(:l_assignment, s(:local, :r), s(:int, 5)))
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@expect = [Label, LoadConstant, SlotToReg, RegToSlot, LoadConstant, SlotToReg ,
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RegToSlot, Label, FunctionReturn]
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assert_nil msg = check_nil , msg
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end
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def test_assign_call
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Parfait.object_space.get_main.add_local(:r , :Object)
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@input = s(:statements, s(:l_assignment, s(:local, :r), s(:call, :main, s(:arguments))))
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@expect = [Label, SlotToReg, SlotToReg, RegToSlot, LoadConstant, RegToSlot ,
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LoadConstant, SlotToReg, RegToSlot, LoadConstant, RegToSlot, RiscTransfer ,
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FunctionCall, Label, RiscTransfer, SlotToReg, SlotToReg, SlotToReg ,
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RegToSlot, LoadConstant, SlotToReg, RegToSlot, Label, FunctionReturn]
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assert_nil msg = check_nil , msg
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end
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def test_named_list_get
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Parfait.object_space.get_main.add_local(:r , :Integer)
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@input = s(:statements, s(:l_assignment, s(:local, :r), s(:int, 5)), s(:return, s(:local, :r)))
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@expect = [Label, LoadConstant, SlotToReg, RegToSlot, SlotToReg, SlotToReg ,
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RegToSlot, LoadConstant, SlotToReg, RegToSlot, Label, FunctionReturn]
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was = check_return
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get = was.next(5)
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assert_equal SlotToReg , get.class
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assert_equal 1 + 1, get.index , "Get to named_list index must be offset, not #{get.index}"
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end
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def test_assign_local_int
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Parfait.object_space.get_main.add_local(:r , :Integer)
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@input = s(:statements, s(:l_assignment, s(:local, :r), s(:int, 5)) )
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@expect = [Label, LoadConstant, SlotToReg, RegToSlot, LoadConstant, SlotToReg ,
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RegToSlot, Label, FunctionReturn]
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was = check_return
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set = was.next(3)
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assert_equal RegToSlot , set.class
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assert_equal 1 + 1, set.index , "Set to named_list index must be offset, not #{set.index}"
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end
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def test_misassign_local
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Parfait.object_space.get_main.add_local(:r , :Integer)
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@input = s(:statements, s(:l_assignment, s(:local, :r), s(:string, "5")) )
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@expect = [Label, LoadConstant, SlotToReg, RegToSlot, Label, FunctionReturn]
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assert_raises {check }
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end
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def test_assign_arg
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Parfait.object_space.get_main.add_argument(:blar , :Integer)
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@input = s(:statements, s(:a_assignment, s(:arg, :blar), s(:int, 5)))
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@expect = [Label, LoadConstant, SlotToReg, RegToSlot, LoadConstant, SlotToReg ,
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RegToSlot, Label, FunctionReturn]
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was = check_return
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set = was.next(3)
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assert_equal RegToSlot , set.class
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assert_equal 1 + 1, set.index , "Set to args index must be offset, not #{set.index}"
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end
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def test_misassign_arg
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Parfait.object_space.get_main.add_argument(:blar , :Integer)
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@input = s(:statements, s(:a_assignment, s(:arg, :blar), s(:string, "5")))
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@expect = [Label, LoadConstant, SlotToReg, RegToSlot, Label, FunctionReturn]
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assert_raises {check }
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end
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def test_arg_get
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# have to define bar externally, just because redefining main. Otherwise that would be automatic
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Parfait.object_space.get_main.add_argument(:balr , :Integer)
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@input = s(:statements, s(:return, s(:arg, :balr)))
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@expect = [Label, SlotToReg, SlotToReg, RegToSlot, LoadConstant, SlotToReg ,
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RegToSlot, Label, FunctionReturn]
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was = check_return
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get = was.next(2)
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assert_equal SlotToReg , get.class
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assert_equal 1 + 1, get.index , "Get to args index must be offset, not #{get.index}"
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end
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end
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end
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