50 lines
1.1 KiB
Common Lisp
50 lines
1.1 KiB
Common Lisp
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(load "unit-test.lisp")
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(load "compound-interest.lisp")
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(unit
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(list
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(defun many-years-with-no-interest-rate ()
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(eq (compound-interest 100000 0 10) 100000)
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)
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(defun no-years-with-positive-interest-rate ()
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(eq (compound-interest 100000 10 0) 100000)
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)
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(defun one-year-with-positive-interest-rate ()
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(eq (compound-interest 100000 5 1) 105000)
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)
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(defun two-years-with-positive-interest-rate ()
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(eq (compound-interest 100000 5 2) 110250)
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)
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(defun three-years-with-positive-interest-rate ()
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(eq (compound-interest 100000 5 3) 115763)
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)
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(defun four-years-with-positive-interest-rate ()
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(eq (compound-interest 100000 5 4) 121551)
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)
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(defun one-year-with-negative-interest-rate ()
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(eq (compound-interest 100000 (- 5) 1) 95000)
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)
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(defun two-years-with-negative-interest-rate ()
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(eq (compound-interest 100000 (- 5) 2) 90250)
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)
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(defun three-years-with-negative-interest-rate ()
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(eq (compound-interest 100000 (- 5) 3) 85737)
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)
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(defun four-years-with-negative-interest-rate ()
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(eq (compound-interest 100000 (- 5) 4) 81450)
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)
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)
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)
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