129 lines
3.0 KiB
Ruby
129 lines
3.0 KiB
Ruby
require_relative 'helper'
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module Register
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class TestAssignStatement < MiniTest::Test
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include Statements
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def setup
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Register.machine.boot
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end
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def test_assign_op
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@string_input = <<HERE
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class Object
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int main()
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int n = 10 + 1
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end
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end
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HERE
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@expect = [Label, LoadConstant,LoadConstant,OperatorInstruction,GetSlot,SetSlot,
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Label,RegisterTransfer,GetSlot,FunctionReturn]
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check
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end
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def test_assign_local
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@string_input = <<HERE
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class Object
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int main()
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int runner
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runner = 5
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end
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end
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HERE
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@expect = [Label, LoadConstant,GetSlot,SetSlot ,Label,RegisterTransfer,GetSlot,FunctionReturn]
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check
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end
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def test_assign_local_assign
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@string_input = <<HERE
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class Object
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int main()
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int runner = 5
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end
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end
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HERE
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@expect = [Label, LoadConstant, GetSlot,SetSlot ,Label,RegisterTransfer,GetSlot,FunctionReturn]
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check
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end
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def test_assign_call
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@string_input = <<HERE
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class Object
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int main()
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int r = main()
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end
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end
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HERE
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@expect = [Label, GetSlot, GetSlot, SetSlot, LoadConstant, SetSlot, LoadConstant ,
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SetSlot, LoadConstant, SetSlot, RegisterTransfer, FunctionCall, Label, GetSlot ,
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GetSlot, SetSlot, Label, RegisterTransfer, GetSlot, FunctionReturn]
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check
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end
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def test_frame_get
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@string_input = <<HERE
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class Object
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int main()
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int r = 5
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return r
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end
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end
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HERE
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@expect = [Label, LoadConstant,GetSlot,SetSlot,GetSlot,GetSlot ,SetSlot,
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Label,RegisterTransfer,GetSlot,FunctionReturn]
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was = check
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get = was.next(5)
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assert_equal GetSlot , get.class
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assert_equal 4, get.index , "Get to frame index must be offset, not #{get.index}"
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end
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def test_assign_arg
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Register.machine.space.get_main.arguments.push Parfait::Variable.new(:Integer , :blar)
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@string_input = <<HERE
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class Object
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int main(int blar)
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blar = 5
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end
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end
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HERE
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@expect = [Label, LoadConstant,SetSlot ,Label,RegisterTransfer,GetSlot,FunctionReturn]
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was = check
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set = was.next(2)
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assert_equal SetSlot , set.class
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assert_equal 10, set.index , "Set to args index must be offset, not #{set.index}"
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end
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def test_assign_int
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@string_input = <<HERE
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class Object
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int main()
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int r = 5
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end
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end
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HERE
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@expect = [Label, LoadConstant,GetSlot,SetSlot ,Label,RegisterTransfer,GetSlot,FunctionReturn]
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was = check
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set = was.next(3)
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assert_equal SetSlot , set.class
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assert_equal 4, set.index , "Set to frame index must be offset, not #{set.index}"
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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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Register.machine.space.get_main.arguments.push Parfait::Variable.new(:Integer , :balr)
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@string_input = <<HERE
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class Object
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int main(int balr)
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return balr
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end
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end
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HERE
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@expect = [Label, GetSlot , SetSlot,Label , RegisterTransfer,GetSlot,FunctionReturn]
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was = check
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get = was.next(1)
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assert_equal GetSlot , get.class
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assert_equal 10, get.index , "Get to frame 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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