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annotate src/testdir/test_user_func.vim @ 17437:5f71f12bdb8c

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Added tag v8.1.1716 for changeset e1b5c15f5fee70aaa68aa8286030cf713a403aee
author Bram Moolenaar <Bram@vim.org>
date Fri, 19 Jul 2019 23:30:05 +0200
parents 1a911bd57f11
children 9ffec4eb8d33
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12662
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1 " Test for user functions.
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2 " Also test an <expr> mapping calling a function.
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3 " Also test that a builtin function cannot be replaced.
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4 " Also test for regression when calling arbitrary expression.
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5
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6 func Table(title, ...)
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7 let ret = a:title
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8 let idx = 1
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9 while idx <= a:0
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10 exe "let ret = ret . a:" . idx
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11 let idx = idx + 1
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12 endwhile
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13 return ret
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14 endfunc
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15
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16 func Compute(n1, n2, divname)
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17 if a:n2 == 0
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18 return "fail"
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19 endif
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20 exe "let g:" . a:divname . " = ". a:n1 / a:n2
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21 return "ok"
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22 endfunc
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23
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24 func Expr1()
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25 silent! normal! v
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26 return "111"
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27 endfunc
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28
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29 func Expr2()
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30 call search('XX', 'b')
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31 return "222"
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32 endfunc
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33
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34 func ListItem()
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35 let g:counter += 1
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36 return g:counter . '. '
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37 endfunc
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38
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39 func ListReset()
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40 let g:counter = 0
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41 return ''
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42 endfunc
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43
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44 func FuncWithRef(a)
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45 unlet g:FuncRef
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46 return a:a
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47 endfunc
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48
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49 func Test_user_func()
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50 let g:FuncRef=function("FuncWithRef")
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51 let g:counter = 0
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52 inoremap <expr> ( ListItem()
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53 inoremap <expr> [ ListReset()
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54 imap <expr> + Expr1()
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55 imap <expr> * Expr2()
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56 let g:retval = "nop"
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57
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58 call assert_equal('xxx4asdf', Table("xxx", 4, "asdf"))
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59 call assert_equal('fail', Compute(45, 0, "retval"))
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60 call assert_equal('nop', g:retval)
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61 call assert_equal('ok', Compute(45, 5, "retval"))
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62 call assert_equal(9, g:retval)
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63 call assert_equal(333, g:FuncRef(333))
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64
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65 enew
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66
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67 normal oXX+-XX
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68 call assert_equal('XX111-XX', getline('.'))
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69 normal o---*---
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70 call assert_equal('---222---', getline('.'))
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71 normal o(one
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72 call assert_equal('1. one', getline('.'))
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73 normal o(two
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74 call assert_equal('2. two', getline('.'))
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75 normal o[(one again
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76 call assert_equal('1. one again', getline('.'))
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77
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78 call assert_equal(3, max([1, 2, 3]))
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79 call assert_fails("call extend(g:, {'max': function('min')})", 'E704')
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80 call assert_equal(3, max([1, 2, 3]))
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81
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82 " Regression: the first line below used to throw ?E110: Missing ')'?
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83 " Second is here just to prove that this line is correct when not skipping
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84 " rhs of &&.
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85 call assert_equal(0, (0 && (function('tr'))(1, 2, 3)))
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86 call assert_equal(1, (1 && (function('tr'))(1, 2, 3)))
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87
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88 delfunc Table
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89 delfunc Compute
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90 delfunc Expr1
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91 delfunc Expr2
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92 delfunc ListItem
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93 delfunc ListReset
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94 unlet g:retval g:counter
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95 enew!
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96 endfunc
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97
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98 func Log(val, base = 10)
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99 return log(a:val) / log(a:base)
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100 endfunc
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101
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102 func Args(mandatory, optional = v:null, ...)
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103 return deepcopy(a:)
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104 endfunc
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105
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106 func Args2(a = 1, b = 2, c = 3)
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107 return deepcopy(a:)
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108 endfunc
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109
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110 func MakeBadFunc()
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111 func s:fcn(a, b=1, c)
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112 endfunc
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113 endfunc
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114
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115 func Test_default_arg()
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116 call assert_equal(1.0, Log(10))
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117 call assert_equal(log(10), Log(10, exp(1)))
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118 call assert_fails("call Log(1,2,3)", 'E118')
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119
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120 let res = Args(1)
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121 call assert_equal(res.mandatory, 1)
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122 call assert_equal(res.optional, v:null)
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123 call assert_equal(res['0'], 0)
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124
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125 let res = Args(1,2)
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126 call assert_equal(res.mandatory, 1)
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127 call assert_equal(res.optional, 2)
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128 call assert_equal(res['0'], 0)
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129
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130 let res = Args(1,2,3)
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131 call assert_equal(res.mandatory, 1)
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132 call assert_equal(res.optional, 2)
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133 call assert_equal(res['0'], 1)
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134
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135 call assert_fails("call MakeBadFunc()", 'E989')
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136 call assert_fails("fu F(a=1 ,) | endf", 'E475')
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137
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138 let d = Args2(7, v:none, 9)
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139 call assert_equal([7, 2, 9], [d.a, d.b, d.c])
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140
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141 call assert_equal("\n"
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142 \ .. " function Args2(a = 1, b = 2, c = 3)\n"
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143 \ .. "1 return deepcopy(a:)\n"
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144 \ .. " endfunction",
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145 \ execute('func Args2'))
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146 endfunc