internal-test/example-tests.lisp

   1 #|
   2
   3   LISP-UNIT Example Tests
   4
   5   Copyright (c) 2010-2016, Thomas M. Hermann
   6
   7   Permission is hereby granted, free of charge, to any person obtaining
   8   a copy of this software and associated documentation files (the "Software"),
   9   to deal in the Software without restriction, including without limitation
  10   the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11   and/or sell copies of the Software, and to permit persons to whom the
  12   Software is furnished to do so, subject to the following conditions:
  13
  14   The above copyright notice and this permission notice shall be included
  15   in all copies or substantial portions of the Software.
  16
  17   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23   OTHER DEALINGS IN THE SOFTWARE.
  24
  25 |#
  26
  27 (in-package :lisp-unit)
  28
  29 (defun my-max (x y)
  30   "Deliberately wrong"
  31   (declare (ignore y))
  32   x)
  33
  34 (define-test test-my-max
  35   ;; Wrong
  36   (assert-equal 5 (my-max 2 5))
  37   (assert-equal 5 (my-max 5 2))
  38   (assert-equal 10 (my-max 10 10))
  39   (assert-equal 0 (my-max -5 0))
  40   ;; Error
  41   (assert-equal 5 (my-max-err 2 5)))
  42
  43 (defun my-sqrt (n)
  44   "Not really."
  45   (/ n 2))
  46
  47 (define-test my-sqrt
  48   (dotimes (i 5)
  49     (assert-equal i (my-sqrt (* i i)) i)))
  50
  51 (define-test cl-user::my-sqrt
  52   (dotimes (i 5)
  53     (assert-equal i (my-sqrt (* i i)) i)))
  54
  55 ;;; Expand true or false
  56
  57 (defun my-less-than-function (arg1 arg2)
  58   (< arg1 arg2))
  59
  60 (define-test expand-t-or-f-function
  61   (let ((val 0))
  62     (assert-true (my-less-than-function (incf val) (incf val)))
  63     (assert-eql 2 val)
  64     (assert-true (my-less-than-function (incf val) (decf val)))
  65     (assert-eql 2 val)))
  66
  67 (defmacro my-less-than-macro (arg1 arg2)
  68   `(< ,arg1 ,arg2))
  69
  70 (define-test expand-t-or-f-macro
  71   (let ((val 0))
  72     (assert-true (my-less-than-macro (incf val) (incf val)))
  73     (assert-eql 2 val)
  74     (assert-true (my-less-than-macro (incf val) (decf val)))
  75     (assert-eql 2 val))
  76   (assert-true (and nil (/ 1 0))))
  77
  78 ;;; Macro
  79
  80 (defmacro my-macro (arg1 arg2)
  81   (let ((g1 (gensym))
  82         (g2 (gensym)))
  83     `(let ((,g1 ,arg1)
  84            (,g2 ,arg2))
  85        "Start"
  86        (+ ,g1 ,g2 3))))
  87
  88 (define-test test-macro
  89   (assert-expands
  90    (let ((#:G1 A) (#:G2 B)) "Start" (+ #:G1 #:G2 3))
  91    (my-macro a b)))
  92
  93 ;;; Tags
  94
  95 (defun add-integer (integer1 integer2)
  96   "Add 2 integer numbers"
  97   (check-type integer1 integer)
  98   (check-type integer2 integer)
  99   (+ integer1 integer2))
 100
 101 (defun subtract-integer (integer1 integer2)
 102   "Subtract 2 integer numbers"
 103   (check-type integer1 integer)
 104   (check-type integer2 integer)
 105   (- integer1 integer2))
 106
 107 (define-test add-integer
 108   "Test add-integer for values and errors."
 109   (:tag :add :integer)
 110   (assert-eql 3 (add-integer 1 2))
 111   (assert-error 'type-error (add-integer 1.0 2))
 112   (assert-error 'type-error (add-integer 1 2.0)))
 113
 114 (define-test subtract-integer
 115   "Test subtract-integer for values and errors."
 116   (:tag :subtract :integer)
 117   (assert-eql 1 (subtract-integer 3 2))
 118   (assert-error 'type-error (subtract-integer 3.0 2))
 119   (assert-error 'type-error (subtract-integer 2 3.0)))
 120
 121 (defun add-float (float1 float2)
 122   "Add 2 floating point numbers"
 123   (check-type float1 float)
 124   (check-type float2 float)
 125   (+ float1 float2))
 126
 127 (defun subtract-float (float1 float2)
 128   "Subtract 2 floating point numbers"
 129   (check-type float1 float)
 130   (check-type float2 float)
 131   (- float1 float2))
 132
 133 (define-test add-float
 134   "Test add-float for values and errors."
 135   (:tag :add :float)
 136   (assert-eql 3.0 (add-float 1.0 2.0))
 137   (assert-error 'type-error (add-float 1.0 2))
 138   (assert-error 'type-error (add-float 1 2.0)))
 139
 140 (define-test subtract-float
 141   "Test subtract-float for values and errors."
 142   (:tag :subtract :float)
 143   (assert-eql 1.0 (subtract-float 3.0 2.0))
 144   (assert-error 'type-error (subtract-float 3.0 2))
 145   (assert-error 'type-error (subtract-float 2 3.0)))
 146
 147 (defun add-complex (complex1 complex2)
 148   "Add 2 complex numbers"
 149   (check-type complex1 complex)
 150   (check-type complex2 complex)
 151   (+ complex1 complex2))
 152
 153 (defun subtract-complex (complex1 complex2)
 154   "Subtract 2 complex numbers"
 155   (check-type complex1 complex)
 156   (check-type complex2 complex)
 157   (- complex1 complex2))
 158
 159 (define-test add-complex
 160   "Test add-complex for values and errors."
 161   (:tag :add :complex)
 162   (assert-eql #C(3 5) (add-complex #C(1 2) #C(2 3)))
 163   (assert-error 'type-error (add-integer #C(1 2) 3))
 164   (assert-error 'type-error (add-integer 1 #C(2 3))))
 165
 166 (define-test subtract-complex
 167   "Test subtract-complex for values and errors."
 168   (:tag :subtract :complex)
 169   (assert-eql #C(1 2) (subtract-complex #C(3 5) #C(2 3)))
 170   (assert-error 'type-error (subtract-integer #C(3 5) 2))
 171   (assert-error 'type-error (subtract-integer 2 #C(2 3))))