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annotate src/testdir/test_unlet.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 b3e93a05c3ca
children 0b35a7ffceb2
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1 " Tests for :unlet
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3 func Test_read_only()
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4 " these caused a crash
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5 call assert_fails('unlet count', 'E795:')
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6 call assert_fails('unlet errmsg', 'E795:')
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7 endfunc
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9 func Test_existing()
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10 let does_exist = 1
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11 call assert_true(exists('does_exist'))
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12 unlet does_exist
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13 call assert_false(exists('does_exist'))
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14 endfunc
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16 func Test_not_existing()
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17 unlet! does_not_exist
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18 call assert_fails('unlet does_not_exist', 'E108:')
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19 endfunc
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20
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21 func Test_unlet_fails()
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22 call assert_fails('unlet v:["count"]', 'E46:')
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23 call assert_fails('unlet $', 'E475:')
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24 let v = {}
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25 call assert_fails('unlet v[:]', 'E719:')
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26 let l = []
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27 call assert_fails("unlet l['k'", 'E111:')
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28 let d = {'k' : 1}
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29 call assert_fails("unlet d.k2", 'E716:')
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30 endfunc
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31
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32 func Test_unlet_env()
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33 let envcmd = has('win32') ? 'set' : 'env'
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34
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35 let $FOOBAR = 'test'
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36 let found = 0
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37 for kv in split(system(envcmd), "\r*\n")
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38 if kv == 'FOOBAR=test'
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39 let found = 1
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40 endif
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41 endfor
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42 call assert_equal(1, found)
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43
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44 unlet $FOOBAR
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45 let found = 0
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46 for kv in split(system(envcmd), "\r*\n")
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47 if kv == 'FOOBAR=test'
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48 let found = 1
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49 endif
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50 endfor
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51 call assert_equal(0, found)
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52
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53 unlet $MUST_NOT_BE_AN_ERROR
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54 endfunc
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55
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56 func Test_unlet_complete()
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57 let g:FOOBAR = 1
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58 call feedkeys(":unlet g:FOO\t\n", 'tx')
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59 call assert_true(!exists('g:FOOBAR'))
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60
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61 let $FOOBAR = 1
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62 call feedkeys(":unlet $FOO\t\n", 'tx')
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63 call assert_true(!exists('$FOOBAR') || empty($FOOBAR))
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64 endfunc
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66 " vim: shiftwidth=2 sts=2 expandtab