1 | ;-*- Mode: Lisp -*- |
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2 | ;;;; Author: Paul Dietz |
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3 | ;;;; Created: Sun Jan 26 13:22:59 2003 |
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4 | ;;;; Contains: Tests for accessor BIT |
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5 | |
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6 | (in-package :cl-test) |
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7 | |
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8 | (deftest bit.1 |
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9 | (bit #*0010 2) |
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10 | 1) |
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11 | |
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12 | (deftest bit.2 |
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13 | (let ((a #*00000000)) |
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14 | (loop for i from 0 below (length a) |
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15 | collect (let ((b (copy-seq a))) |
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16 | (setf (bit b i) 1) |
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17 | b))) |
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18 | (#*10000000 |
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19 | #*01000000 |
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20 | #*00100000 |
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21 | #*00010000 |
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22 | #*00001000 |
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23 | #*00000100 |
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24 | #*00000010 |
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25 | #*00000001)) |
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26 | |
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27 | (deftest bit.3 |
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28 | (let ((a #*11111111)) |
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29 | (loop for i from 0 below (length a) |
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30 | collect (let ((b (copy-seq a))) |
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31 | (setf (bit b i) 0) |
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32 | b))) |
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33 | (#*01111111 |
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34 | #*10111111 |
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35 | #*11011111 |
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36 | #*11101111 |
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37 | #*11110111 |
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38 | #*11111011 |
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39 | #*11111101 |
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40 | #*11111110)) |
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41 | |
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42 | (deftest bit.4 |
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43 | (let ((a (make-array nil :element-type 'bit :initial-element 0))) |
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44 | (values |
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45 | (aref a) |
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46 | (bit a) |
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47 | (setf (bit a) 1) |
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48 | (aref a) |
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49 | (bit a))) |
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50 | 0 0 1 1 1) |
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51 | |
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52 | (deftest bit.5 |
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53 | (let ((a (make-array '(1 1) :element-type 'bit :initial-element 0))) |
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54 | (values |
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55 | (aref a 0 0) |
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56 | (bit a 0 0) |
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57 | (setf (bit a 0 0) 1) |
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58 | (aref a 0 0) |
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59 | (bit a 0 0))) |
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60 | 0 0 1 1 1) |
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61 | |
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62 | (deftest bit.6 |
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63 | (let ((a (make-array '(10 10) :element-type 'bit :initial-element 0))) |
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64 | (values |
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65 | (aref a 5 5) |
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66 | (bit a 5 5) |
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67 | (setf (bit a 5 5) 1) |
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68 | (aref a 5 5) |
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69 | (bit a 5 5))) |
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70 | 0 0 1 1 1) |
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71 | |
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72 | ;;; Check that the fill pointer is ignored |
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73 | |
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74 | (deftest bit.7 |
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75 | (let ((a (make-array '(10) :initial-contents '(0 1 1 0 0 1 1 1 0 0) |
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76 | :element-type 'bit |
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77 | :fill-pointer 5))) |
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78 | (values |
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79 | (coerce a 'list) |
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80 | (loop for i from 0 below 10 collect (bit a i)) |
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81 | (loop for i from 0 below 10 |
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82 | collect (setf (bit a i) (- 1 (bit a i)))) |
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83 | (coerce a 'list) |
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84 | (loop for i from 0 below 10 collect (bit a i)) |
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85 | (fill-pointer a))) |
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86 | (0 1 1 0 0) |
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87 | (0 1 1 0 0 1 1 1 0 0) |
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88 | (1 0 0 1 1 0 0 0 1 1) |
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89 | (1 0 0 1 1) |
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90 | (1 0 0 1 1 0 0 0 1 1) |
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91 | 5) |
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92 | |
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93 | ;;; Check that adjustability is not relevant |
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94 | |
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95 | (deftest bit.8 |
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96 | (let ((a (make-array '(10) :initial-contents '(0 1 1 0 0 1 1 1 0 0) |
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97 | :element-type 'bit |
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98 | :adjustable t))) |
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99 | (values |
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100 | (coerce a 'list) |
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101 | (loop for i from 0 below 10 collect (bit a i)) |
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102 | (loop for i from 0 below 10 |
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103 | collect (setf (bit a i) (- 1 (bit a i)))) |
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104 | (coerce a 'list) |
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105 | (loop for i from 0 below 10 collect (bit a i)))) |
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106 | (0 1 1 0 0 1 1 1 0 0) |
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107 | (0 1 1 0 0 1 1 1 0 0) |
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108 | (1 0 0 1 1 0 0 0 1 1) |
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109 | (1 0 0 1 1 0 0 0 1 1) |
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110 | (1 0 0 1 1 0 0 0 1 1)) |
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111 | |
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112 | ;;; Order of evaluation tests |
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113 | |
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114 | (deftest bit.order.1 |
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115 | (let ((x 0) y z |
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116 | (b (copy-seq #*01010))) |
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117 | (values |
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118 | (bit (progn (setf y (incf x)) b) |
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119 | (progn (setf z (incf x)) 1)) |
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120 | x y z)) |
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121 | 1 2 1 2) |
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122 | |
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123 | (deftest bit.order.2 |
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124 | (let ((x 0) y z w |
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125 | (b (copy-seq #*01010))) |
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126 | (values |
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127 | (setf (bit (progn (setf y (incf x)) b) |
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128 | (progn (setf z (incf x)) 1)) |
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129 | (progn (setf w (incf x)) 0)) |
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130 | b |
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131 | x y z w)) |
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132 | 0 #*00010 3 1 2 3) |
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133 | |
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134 | (deftest bit.error.1 |
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135 | (signals-error (bit) program-error) |
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136 | t) |
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