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annotate src/testdir/test_utf8.vim @ 19783:546bdeef35f1 v8.2.0448

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patch 8.2.0448: various functions not properly tested Commit: https://github.com/vim/vim/commit/0e05de46226eb4e5ea580beefa71831f92d613d3 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 25 22:23:46 2020 +0100 patch 8.2.0448: various functions not properly tested Problem: Various functions not properly tested. Solution: Add more tests, especially for failures. (Yegappan Lakshmanan, closes #5843)
author Bram Moolenaar <Bram@vim.org>
date Wed, 25 Mar 2020 22:30:04 +0100
parents 988e5a868b60
children e82996ad131f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Tests for Unicode manipulations
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2
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3 source view_util.vim
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4
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5 " Visual block Insert adjusts for multi-byte char
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6 func Test_visual_block_insert()
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7 new
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8 call setline(1, ["aaa", "あああ", "bbb"])
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9 exe ":norm! gg0l\<C-V>jjIx\<Esc>"
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10 call assert_equal(['axaa', 'xあああ', 'bxbb'], getline(1, '$'))
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11 bwipeout!
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12 endfunc
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13
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14 " Test for built-in function strchars()
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15 func Test_strchars()
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16 let inp = ["a", "あいa", "A\u20dd", "A\u20dd\u20dd", "\u20dd"]
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17 let exp = [[1, 1, 1], [3, 3, 3], [2, 2, 1], [3, 3, 1], [1, 1, 1]]
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18 for i in range(len(inp))
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19 call assert_equal(exp[i][0], strchars(inp[i]))
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20 call assert_equal(exp[i][1], inp[i]->strchars(0))
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21 call assert_equal(exp[i][2], strchars(inp[i], 1))
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22 endfor
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23 call assert_fails("let v=strchars('abc', [])", 'E474:')
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24 call assert_fails("let v=strchars('abc', 2)", 'E474:')
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25 endfunc
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26
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27 " Test for customlist completion
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28 func CustomComplete1(lead, line, pos)
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29 return ['あ', 'い']
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30 endfunc
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31
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32 func CustomComplete2(lead, line, pos)
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33 return ['あたし', 'あたま', 'あたりめ']
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34 endfunc
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35
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36 func CustomComplete3(lead, line, pos)
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37 return ['Nこ', 'Nん', 'Nぶ']
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38 endfunc
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39
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40 func Test_customlist_completion()
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41 command -nargs=1 -complete=customlist,CustomComplete1 Test1 echo
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42 call feedkeys(":Test1 \<C-L>\<C-B>\"\<CR>", 'itx')
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43 call assert_equal('"Test1 ', getreg(':'))
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44
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45 command -nargs=1 -complete=customlist,CustomComplete2 Test2 echo
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46 call feedkeys(":Test2 \<C-L>\<C-B>\"\<CR>", 'itx')
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47 call assert_equal('"Test2 あた', getreg(':'))
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48
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49 command -nargs=1 -complete=customlist,CustomComplete3 Test3 echo
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50 call feedkeys(":Test3 \<C-L>\<C-B>\"\<CR>", 'itx')
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51 call assert_equal('"Test3 N', getreg(':'))
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52
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53 call garbagecollect(1)
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54 endfunc
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55
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56 " Yank one 3 byte character and check the mark columns.
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57 func Test_getvcol()
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58 new
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59 call setline(1, "x\u2500x")
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60 normal 0lvy
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61 call assert_equal(2, col("'["))
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62 call assert_equal(4, col("']"))
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63 call assert_equal(2, virtcol("'["))
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64 call assert_equal(2, virtcol("']"))
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65 endfunc
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66
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67 func Test_list2str_str2list_utf8()
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68 " One Unicode codepoint
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69 let s = "\u3042\u3044"
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70 let l = [0x3042, 0x3044]
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71 call assert_equal(l, str2list(s, 1))
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72 call assert_equal(s, list2str(l, 1))
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73 if &enc ==# 'utf-8'
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74 call assert_equal(str2list(s), str2list(s, 1))
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75 call assert_equal(list2str(l), list2str(l, 1))
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76 endif
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77
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78 " With composing characters
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79 let s = "\u304b\u3099\u3044"
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80 let l = [0x304b, 0x3099, 0x3044]
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81 call assert_equal(l, str2list(s, 1))
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82 call assert_equal(s, l->list2str(1))
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83 if &enc ==# 'utf-8'
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84 call assert_equal(str2list(s), str2list(s, 1))
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85 call assert_equal(list2str(l), list2str(l, 1))
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86 endif
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87
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88 " Null list is the same as an empty list
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89 call assert_equal('', list2str([]))
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90 call assert_equal('', list2str(test_null_list()))
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91 endfunc
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92
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93 func Test_list2str_str2list_latin1()
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94 " When 'encoding' is not multi-byte can still get utf-8 string.
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95 " But we need to create the utf-8 string while 'encoding' is utf-8.
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96 let s = "\u3042\u3044"
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97 let l = [0x3042, 0x3044]
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98
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99 let save_encoding = &encoding
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100 set encoding=latin1
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101
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102 let lres = str2list(s, 1)
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103 let sres = list2str(l, 1)
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104 call assert_equal([65, 66, 67], str2list("ABC"))
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105
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106 let &encoding = save_encoding
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107 call assert_equal(l, lres)
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108 call assert_equal(s, sres)
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109 endfunc
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110
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111 func Test_screenchar_utf8()
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112 new
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113
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114 " 1-cell, with composing characters
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115 call setline(1, ["ABC\u0308"])
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116 redraw
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117 call assert_equal([0x0041], screenchars(1, 1))
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118 call assert_equal([0x0042], 1->screenchars(2))
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119 call assert_equal([0x0043, 0x0308], screenchars(1, 3))
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120 call assert_equal("A", screenstring(1, 1))
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121 call assert_equal("B", screenstring(1, 2))
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122 call assert_equal("C\u0308", screenstring(1, 3))
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123
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124 " 2-cells, with composing characters
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125 let text = "\u3042\u3044\u3046\u3099"
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126 call setline(1, text)
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127 redraw
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128 call assert_equal([0x3042], screenchars(1, 1))
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129 call assert_equal([0], screenchars(1, 2))
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130 call assert_equal([0x3044], screenchars(1, 3))
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131 call assert_equal([0], screenchars(1, 4))
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132 call assert_equal([0x3046, 0x3099], screenchars(1, 5))
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133
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134 call assert_equal("\u3042", screenstring(1, 1))
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135 call assert_equal("", screenstring(1, 2))
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136 call assert_equal("\u3044", screenstring(1, 3))
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137 call assert_equal("", screenstring(1, 4))
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138 call assert_equal("\u3046\u3099", screenstring(1, 5))
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139
16148
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140 call assert_equal([text . ' '], ScreenLines(1, 8))
16133
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141
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142 bwipe!
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143 endfunc
19783
546bdeef35f1 patch 8.2.0448: various functions not properly tested
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144
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145 " vim: shiftwidth=2 sts=2 expandtab