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annotate src/testdir/test_method.vim @ 17732:1726c2db81bf v8.1.1863

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patch 8.1.1863: confusing error when using a builtin function as method commit https://github.com/vim/vim/commit/9174639a82799011cfa0013cbc4c4709b3833bf0 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Aug 16 22:22:31 2019 +0200 patch 8.1.1863: confusing error when using a builtin function as method Problem: Confusing error when using a builtin function as method while it does not support that. Solution: Add a specific error message.
author Bram Moolenaar <Bram@vim.org>
date Fri, 16 Aug 2019 22:30:04 +0200
parents 14ac8c31e598
children 117c7795a979
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Tests for ->method()
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2
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3 func Test_list_method()
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4 let l = [1, 2, 3]
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5 call assert_equal([1, 2, 3, 4], [1, 2, 3]->add(4))
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6 eval l->assert_equal(l)
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7 eval l->assert_equal(l, 'wrong')
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8 eval l->assert_notequal([3, 2, 1])
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9 eval l->assert_notequal([3, 2, 1], 'wrong')
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10 call assert_equal(l, l->copy())
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11 call assert_equal(1, l->count(2))
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12 call assert_false(l->empty())
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13 call assert_true([]->empty())
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14 call assert_equal(579, ['123', '+', '456']->join()->eval())
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15 call assert_equal([1, 2, 3, 4, 5], [1, 2, 3]->extend([4, 5]))
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16 call assert_equal([1, 3], [1, 2, 3]->filter('v:val != 2'))
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17 call assert_equal(2, l->get(1))
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18 call assert_equal(1, l->index(2))
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19 call assert_equal([0, 1, 2, 3], [1, 2, 3]->insert(0))
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20 call assert_fails('eval l->items()', 'E715:')
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21 call assert_equal('1 2 3', l->join())
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22 call assert_fails('eval l->keys()', 'E715:')
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23 call assert_equal(3, l->len())
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24 call assert_equal([2, 3, 4], [1, 2, 3]->map('v:val + 1'))
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25 call assert_equal(3, l->max())
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26 call assert_equal(1, l->min())
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27 call assert_equal(2, [1, 2, 3]->remove(1))
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28 call assert_equal([1, 2, 3, 1, 2, 3], l->repeat(2))
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29 call assert_equal([3, 2, 1], [1, 2, 3]->reverse())
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30 call assert_equal([1, 2, 3, 4], [4, 2, 3, 1]->sort())
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31 call assert_equal('[1, 2, 3]', l->string())
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32 call assert_equal(v:t_list, l->type())
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33 call assert_equal([1, 2, 3], [1, 1, 2, 3, 3]->uniq())
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34 call assert_fails('eval l->values()', 'E715:')
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35 endfunc
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36
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37 func Test_dict_method()
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38 let d = #{one: 1, two: 2, three: 3}
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39
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40 call assert_equal(d, d->copy())
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41 call assert_equal(1, d->count(2))
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42 call assert_false(d->empty())
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43 call assert_true({}->empty())
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44 call assert_equal(#{one: 1, two: 2, three: 3, four: 4}, d->extend(#{four: 4}))
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45 call assert_equal(#{one: 1, two: 2, three: 3}, d->filter('v:val != 4'))
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46 call assert_equal(2, d->get('two'))
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47 call assert_fails("let x = d->index(2)", 'E897:')
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48 call assert_fails("let x = d->insert(0)", 'E899:')
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49 call assert_true(d->has_key('two'))
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50 call assert_equal([['one', 1], ['two', 2], ['three', 3]], d->items())
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51 call assert_fails("let x = d->join()", 'E714:')
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52 call assert_equal(['one', 'two', 'three'], d->keys())
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53 call assert_equal(3, d->len())
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54 call assert_equal(#{one: 2, two: 3, three: 4}, d->map('v:val + 1'))
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55 call assert_equal(#{one: 1, two: 2, three: 3}, d->map('v:val - 1'))
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56 call assert_equal(3, d->max())
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57 call assert_equal(1, d->min())
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58 call assert_equal(2, d->remove("two"))
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59 let d.two = 2
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60 call assert_fails('let x = d->repeat(2)', 'E731:')
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61 call assert_fails('let x = d->reverse()', 'E899:')
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62 call assert_fails('let x = d->sort()', 'E686:')
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63 call assert_equal("{'one': 1, 'two': 2, 'three': 3}", d->string())
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64 call assert_equal(v:t_dict, d->type())
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65 call assert_fails('let x = d->uniq()', 'E686:')
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66 call assert_equal([1, 2, 3], d->values())
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67 endfunc
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68
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69 func Test_string_method()
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70 eval '1 2 3'->split()->assert_equal(['1', '2', '3'])
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71 eval '1 2 3'->split()->map({i, v -> str2nr(v)})->assert_equal([1, 2, 3])
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72 eval 'ABC'->str2list()->assert_equal([65, 66, 67])
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73 eval 'ABC'->strlen()->assert_equal(3)
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74 eval "a\rb\ec"->strtrans()->assert_equal('a^Mb^[c')
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75 eval "aあb"->strwidth()->assert_equal(4)
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76 eval 'abc'->substitute('b', 'x', '')->assert_equal('axc')
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77
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78 eval 'abc'->printf('the %s arg')->assert_equal('the abc arg')
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79 endfunc
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80
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81 func Test_method_append()
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82 new
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83 eval ['one', 'two', 'three']->append(1)
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84 call assert_equal(['', 'one', 'two', 'three'], getline(1, '$'))
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85
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86 %del
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87 let bnr = bufnr('')
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88 wincmd w
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89 eval ['one', 'two', 'three']->appendbufline(bnr, 1)
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90 call assert_equal(['', 'one', 'two', 'three'], getbufline(bnr, 1, '$'))
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91
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92 exe 'bwipe! ' .. bnr
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93 endfunc
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94
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95 func Test_method_funcref()
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96 func Concat(one, two, three)
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97 return a:one .. a:two .. a:three
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98 endfunc
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99 let FuncRef = function('Concat')
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100 eval 'foo'->FuncRef('bar', 'tail')->assert_equal('foobartail')
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101
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102 " not enough arguments
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103 call assert_fails("eval 'foo'->FuncRef('bar')", 'E119:')
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104 " too many arguments
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105 call assert_fails("eval 'foo'->FuncRef('bar', 'tail', 'four')", 'E118:')
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106
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107 let Partial = function('Concat', ['two'])
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108 eval 'one'->Partial('three')->assert_equal('onetwothree')
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109
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110 " not enough arguments
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111 call assert_fails("eval 'one'->Partial()", 'E119:')
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112 " too many arguments
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113 call assert_fails("eval 'one'->Partial('three', 'four')", 'E118:')
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114
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115 delfunc Concat
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116 endfunc
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117
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118 func Test_method_syntax()
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119 eval [1, 2, 3] ->sort( )
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120 eval [1, 2, 3]
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121 \ ->sort(
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122 \ )
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123 call assert_fails('eval [1, 2, 3]-> sort()', 'E260:')
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124 call assert_fails('eval [1, 2, 3]->sort ()', 'E274:')
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125 call assert_fails('eval [1, 2, 3]-> sort ()', 'E260:')
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parents: 17648
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126 endfunc
17674
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parents: 17661
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127
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Bram Moolenaar <Bram@vim.org>
parents: 17661
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128 func Test_method_lambda()
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parents: 17661
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129 eval "text"->{x -> x .. " extended"}()->assert_equal('text extended')
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130 eval "text"->{x, y -> x .. " extended " .. y}('more')->assert_equal('text extended more')
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parents: 17661
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131
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132 call assert_fails('eval "text"->{x -> x .. " extended"} ()', 'E274:')
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parents: 17661
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133
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134 " todo: lambda accepts more arguments than it consumes
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135 " call assert_fails('eval "text"->{x -> x .. " extended"}("more")', 'E99:')
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136 endfunc
17732
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Bram Moolenaar <Bram@vim.org>
parents: 17676
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137
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138 func Test_method_not_supported()
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139 call assert_fails('eval 123->changenr()', 'E276:')
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140 endfunc