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annotate src/testdir/test_blob.vim @ 15454:1d2b5c016f17 v8.1.0735

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patch 8.1.0735: cannot handle binary data commit https://github.com/vim/vim/commit/6e5ea8d2a995b32bbc5972edc4f827b959f2702f Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 12 22:47:31 2019 +0100 patch 8.1.0735: cannot handle binary data Problem: Cannot handle binary data. Solution: Add the Blob type. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/3638)
author Bram Moolenaar <Bram@vim.org>
date Sat, 12 Jan 2019 23:00:06 +0100
parents
children f01eb1aed348
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rev   line source
15454
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1 " Tests for the Blob types
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2
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3 func TearDown()
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4 " Run garbage collection after every test
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5 call test_garbagecollect_now()
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6 endfunc
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7
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8 " Tests for Blob type
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9
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10 " Blob creation from constant
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11 func Test_blob_create()
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12 let b = 0zDEADBEEF
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13 call assert_equal(v:t_blob, type(b))
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14 call assert_equal(4, len(b))
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15 call assert_equal(0xDE, b[0])
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16 call assert_equal(0xAD, b[1])
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17 call assert_equal(0xBE, b[2])
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18 call assert_equal(0xEF, b[3])
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19 call assert_fails('let x = b[4]')
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20
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21 call assert_equal(0xDE, get(b, 0))
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22 call assert_equal(0xEF, get(b, 3))
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23 call assert_fails('let x = get(b, 4)')
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24 endfunc
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25
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26 " assignment to a blob
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27 func Test_blob_assign()
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28 let b = 0zDEADBEEF
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29 let b2 = b[1:2]
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30 call assert_equal(0zADBE, b2)
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31
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32 let bcopy = b[:]
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33 call assert_equal(b, bcopy)
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34 call assert_false(b is bcopy)
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35 endfunc
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36
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37 func Test_blob_to_string()
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38 let b = 0zDEADBEEF
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39 call assert_equal('[0xDE,0xAD,0xBE,0xEF]', string(b))
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40 call remove(b, 0, 3)
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41 call assert_equal('[]', string(b))
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42 endfunc
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43
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44 func Test_blob_compare()
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45 let b1 = 0z0011
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46 let b2 = 0z1100
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47 call assert_false(b1 == b2)
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48 call assert_true(b1 != b2)
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49 call assert_true(b1 == 0z0011)
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50
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51 call assert_false(b1 is b2)
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52 let b2 = b1
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53 call assert_true(b1 is b2)
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54
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55 call assert_fails('let x = b1 > b2')
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56 call assert_fails('let x = b1 < b2')
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57 call assert_fails('let x = b1 - b2')
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58 call assert_fails('let x = b1 / b2')
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59 call assert_fails('let x = b1 * b2')
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60 endfunc
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61
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62 " test for range assign
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63 func Test_blob_range_assign()
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64 let b = 0z00
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65 let b[1] = 0x11
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66 let b[2] = 0x22
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67 call assert_equal(0z001122, b)
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68 call assert_fails('let b[4] = 0x33')
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69 endfunc
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70
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71 func Test_blob_for_loop()
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72 let blob = 0z00010203
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73 let i = 0
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74 for byte in blob
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75 call assert_equal(i, byte)
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76 let i += 1
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77 endfor
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78
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79 let blob = 0z00
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80 call remove(blob, 0)
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81 call assert_equal(0, len(blob))
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82 for byte in blob
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83 call assert_error('loop over empty blob')
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84 endfor
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85 endfunc
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86
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87 func Test_blob_concatenate()
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88 let b = 0z0011
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89 let b += 0z2233
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90 call assert_equal(0z00112233, b)
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91
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92 call assert_fails('let b += "a"')
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93 call assert_fails('let b += 88')
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94
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95 let b = 0zDEAD + 0zBEEF
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96 call assert_equal(0zDEADBEEF, b)
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97 endfunc
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98
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99 " Test removing items in blob
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100 func Test_blob_func_remove()
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101 " Test removing 1 element
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102 let b = 0zDEADBEEF
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103 call assert_equal(0xDE, remove(b, 0))
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104 call assert_equal(0zADBEEF, b)
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105
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106 let b = 0zDEADBEEF
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107 call assert_equal(0xEF, remove(b, -1))
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108 call assert_equal(0zDEADBE, b)
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109
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110 let b = 0zDEADBEEF
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111 call assert_equal(0xAD, remove(b, 1))
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112 call assert_equal(0zDEBEEF, b)
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113
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114 " Test removing range of element(s)
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115 let b = 0zDEADBEEF
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116 call assert_equal(0zBE, remove(b, 2, 2))
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117 call assert_equal(0zDEADEF, b)
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118
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119 let b = 0zDEADBEEF
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120 call assert_equal(0zADBE, remove(b, 1, 2))
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121 call assert_equal(0zDEEF, b)
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122
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123 " Test invalid cases
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124 let b = 0zDEADBEEF
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125 call assert_fails("call remove(b, 5)", 'E979:')
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126 call assert_fails("call remove(b, 1, 5)", 'E979:')
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127 call assert_fails("call remove(b, 3, 2)", 'E979:')
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128 call assert_fails("call remove(1, 0)", 'E712:')
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129 call assert_fails("call remove(b, b)", 'E974:')
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130 endfunc
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131
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132 func Test_blob_read_write()
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133 let b = 0zDEADBEEF
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134 call writefile(b, 'Xblob')
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135 let br = readfile('Xblob', 'B')
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136 call assert_equal(b, br)
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137 call delete('Xblob')
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138 endfunc
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139
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140 " filter() item in blob
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141 func Test_blob_filter()
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142 let b = 0zDEADBEEF
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143 call filter(b, 'v:val != 0xEF')
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144 call assert_equal(0zDEADBE, b)
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145 endfunc
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146
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147 " map() item in blob
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148 func Test_blob_map()
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149 let b = 0zDEADBEEF
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150 call map(b, 'v:val + 1')
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151 call assert_equal(0zDFAEBFF0, b)
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152 endfunc
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153
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154 func Test_blob_index()
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155 call assert_equal(2, index(0zDEADBEEF, 0xBE))
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156 call assert_equal(-1, index(0zDEADBEEF, 0))
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157 endfunc
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158
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159 func Test_blob_insert()
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160 let b = 0zDEADBEEF
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161 call insert(b, 0x33)
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162 call assert_equal(0z33DEADBEEF, b)
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163
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164 let b = 0zDEADBEEF
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165 call insert(b, 0x33, 2)
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166 call assert_equal(0zDEAD33BEEF, b)
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167 endfunc
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168
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169 func Test_blob_reverse()
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170 call assert_equal(0zEFBEADDE, reverse(0zDEADBEEF))
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171 call assert_equal(0zBEADDE, reverse(0zDEADBE))
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172 call assert_equal(0zADDE, reverse(0zDEAD))
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173 call assert_equal(0zDE, reverse(0zDE))
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174 endfunc
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175
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176 func Test_blob_json_encode()
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177 call assert_equal('[222,173,190,239]', json_encode(0zDEADBEEF))
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178 call assert_equal('[]', json_encode(0z))
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179 endfunc