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annotate src/testdir/test_unlet.vim @ 19689:da98d2ed8dc5 v8.2.0401

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patch 8.2.0401: not enough test coverage for evalvars.c Commit: https://github.com/vim/vim/commit/8dfcce3a78ccb520cc9d09081f998091494c50bf Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 18 19:32:26 2020 +0100 patch 8.2.0401: not enough test coverage for evalvars.c Problem: Not enough test coverage for evalvars.c. Solution: Add more tests. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/5804)
author Bram Moolenaar <Bram@vim.org>
date Wed, 18 Mar 2020 19:45:04 +0100
parents a94bc6a7b29e
children b3e93a05c3ca
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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 endfunc
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25
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26 func Test_unlet_env()
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27 let envcmd = has('win32') ? 'set' : 'env'
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28
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29 let $FOOBAR = 'test'
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30 let found = 0
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31 for kv in split(system(envcmd), "\r*\n")
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32 if kv == 'FOOBAR=test'
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33 let found = 1
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34 endif
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35 endfor
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36 call assert_equal(1, found)
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37
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38 unlet $FOOBAR
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39 let found = 0
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40 for kv in split(system(envcmd), "\r*\n")
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41 if kv == 'FOOBAR=test'
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42 let found = 1
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43 endif
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44 endfor
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45 call assert_equal(0, found)
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46
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47 unlet $MUST_NOT_BE_AN_ERROR
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48 endfunc
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49
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50 func Test_unlet_complete()
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51 let g:FOOBAR = 1
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52 call feedkeys(":unlet g:FOO\t\n", 'tx')
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53 call assert_true(!exists('g:FOOBAR'))
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54
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55 let $FOOBAR = 1
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56 call feedkeys(":unlet $FOO\t\n", 'tx')
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57 call assert_true(!exists('$FOOBAR') || empty($FOOBAR))
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58 endfunc
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60 " vim: shiftwidth=2 sts=2 expandtab