1 | ;-*- Mode: Lisp -*- |
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2 | ;;;; Author: Paul Dietz |
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3 | ;;;; Created: Sat Apr 19 22:41:14 2003 |
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4 | ;;;; Contains: Tests of BUTLAST |
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5 | |
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6 | (in-package :cl-test) |
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7 | |
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8 | (compile-and-load "cons-aux.lsp") |
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9 | |
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10 | (deftest butlast.1 |
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11 | (let ((x (list 'a 'b 'c 'd 'e))) |
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12 | (let ((xcopy (make-scaffold-copy x))) |
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13 | (let ((result (butlast x 2))) |
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14 | (and |
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15 | (check-scaffold-copy x xcopy) |
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16 | result)))) |
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17 | (a b c)) |
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18 | |
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19 | (deftest butlast.2 |
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20 | (let ((x (list 'a 'b 'c 'd 'e))) |
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21 | (let ((xcopy (make-scaffold-copy x))) |
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22 | (let ((result (butlast x 0))) |
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23 | (and |
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24 | (check-scaffold-copy x xcopy) |
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25 | result)))) |
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26 | (a b c d e)) |
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27 | |
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28 | (deftest butlast.3 |
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29 | (let ((x (list 'a 'b 'c 'd 'e))) |
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30 | (let ((xcopy (make-scaffold-copy x))) |
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31 | (let ((result (butlast x 5))) |
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32 | (and |
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33 | (check-scaffold-copy x xcopy) |
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34 | result)))) |
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35 | nil) |
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36 | |
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37 | (deftest butlast.4 |
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38 | (let ((x (list 'a 'b 'c 'd 'e))) |
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39 | (let ((xcopy (make-scaffold-copy x))) |
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40 | (let ((result (butlast x 6))) |
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41 | (and |
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42 | (check-scaffold-copy x xcopy) |
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43 | result)))) |
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44 | nil) |
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45 | |
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46 | (deftest butlast.5 |
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47 | (butlast (copy-tree '(a b c . d)) 1) |
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48 | (a b)) |
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49 | |
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50 | (deftest butlast.6 |
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51 | (butlast '(a b c d e) (1+ most-positive-fixnum)) |
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52 | nil) |
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53 | |
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54 | (deftest butlast.7 |
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55 | (butlast '(a b c d e) most-positive-fixnum) |
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56 | nil) |
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57 | |
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58 | (deftest butlast.8 |
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59 | (butlast '(a b c d e) (1- most-positive-fixnum)) |
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60 | nil) |
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61 | |
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62 | (deftest butlast.9 |
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63 | (macrolet ((%m (z) z)) |
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64 | (values (butlast (expand-in-current-env (%m (list 'a 'b 'c)))) |
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65 | (butlast (list 'a 'b 'c 'd 'e) (expand-in-current-env (%m 2))))) |
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66 | (a b) |
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67 | (a b c)) |
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68 | |
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69 | (deftest butlast.order.1 |
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70 | (let ((i 0) x y) |
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71 | (values |
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72 | (butlast (progn (setf x (incf i)) |
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73 | (list 'a 'b 'c 'd 'e)) |
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74 | (progn (setf y (incf i)) |
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75 | 2)) |
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76 | i x y)) |
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77 | (a b c) 2 1 2) |
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78 | |
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79 | (deftest butlast.order.2 |
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80 | (let ((i 0)) |
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81 | (values |
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82 | (butlast (progn (incf i) '(a b c d))) |
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83 | i)) |
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84 | (a b c) 1) |
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85 | |
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86 | (def-fold-test butlast.fold.1 (butlast '(a b) 1)) |
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87 | (def-fold-test butlast.fold.2 (butlast '(a b c d e f) 3)) |
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88 | (def-fold-test butlast.fold.3 (butlast '(a b c d e f g h i) 7)) |
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89 | |
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90 | ;;; Error tests |
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91 | |
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92 | (deftest butlast.error.1 |
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93 | (signals-error (butlast (copy-tree '(a b c d)) 'a) |
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94 | type-error) |
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95 | t) |
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96 | |
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97 | (deftest butlast.error.2 |
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98 | (signals-error (butlast 'a 0) type-error) |
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99 | t) |
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100 | |
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101 | (deftest butlast.error.3 |
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102 | (signals-error (butlast) program-error) |
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103 | t) |
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104 | |
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105 | (deftest butlast.error.4 |
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106 | (signals-error (butlast '(a b c) 3 3) program-error) |
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107 | t) |
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108 | |
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109 | (deftest butlast.error.5 |
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110 | (signals-error (locally (butlast 'a 0) t) type-error) |
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111 | t) |
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112 | |
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113 | |
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