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annotate src/testdir/test_ex_z.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 1074f58e1673
children 08940efa6b4e
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1 " Test :z
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2
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3 func Test_z()
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4 call setline(1, range(1, 100))
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5
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6 let a = execute('20z3')
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7 call assert_equal("\n20\n21\n22", a)
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8 call assert_equal(22, line('.'))
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9 " 'window' should be set to the {count} value.
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10 call assert_equal(3, &window)
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11
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12 " If there is only one window, then twice the amount of 'scroll' is used.
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13 set scroll=2
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14 let a = execute('20z')
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15 call assert_equal("\n20\n21\n22\n23", a)
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16 call assert_equal(23, line('.'))
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17
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18 let a = execute('20z+3')
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19 " FIXME: I would expect the same result as '20z3' but it
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20 " gives "\n21\n22\n23" instead. Bug in Vim or in ":help :z"?
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21 "call assert_equal("\n20\n21\n22", a)
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22 "call assert_equal(22, line('.'))
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23
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24 let a = execute('20z-3')
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25 call assert_equal("\n18\n19\n20", a)
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26 call assert_equal(20, line('.'))
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27
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28 let a = execute('20z=3')
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29 call assert_match("^\n18\n19\n-\\+\n20\n-\\+\n21\n22$", a)
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30 call assert_equal(20, line('.'))
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31
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32 let a = execute('20z^3')
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33 call assert_equal("\n14\n15\n16\n17", a)
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34 call assert_equal(17, line('.'))
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35
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36 let a = execute('20z.3')
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37 call assert_equal("\n19\n20\n21", a)
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38 call assert_equal(21, line('.'))
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39
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40 let a = execute('20z#3')
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41 call assert_equal("\n 20 20\n 21 21\n 22 22", a)
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42 call assert_equal(22, line('.'))
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43
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44 let a = execute('20z#-3')
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45 call assert_equal("\n 18 18\n 19 19\n 20 20", a)
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46 call assert_equal(20, line('.'))
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47
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48 let a = execute('20z#=3')
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49 call assert_match("^\n 18 18\n 19 19\n-\\+\n 20 20\n-\\+\n 21 21\n 22 22$", a)
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50 call assert_equal(20, line('.'))
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51
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52 " Test with {count} bigger than the number of lines in buffer.
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53 let a = execute('20z1000')
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54 call assert_match("^\n20\n21\n.*\n99\n100$", a)
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55 call assert_equal(100, line('.'))
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56
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57 let a = execute('20z-1000')
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58 call assert_match("^\n1\n2\n.*\n19\n20$", a)
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59 call assert_equal(20, line('.'))
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60
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61 let a = execute('20z=1000')
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62 call assert_match("^\n1\n.*\n-\\+\n20\n-\\\+\n.*\n100$", a)
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63 call assert_equal(20, line('.'))
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64
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65 call assert_fails('20z=a', 'E144:')
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66
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67 set window& scroll&
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68 bw!
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69 endfunc
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70
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71 func Test_z_overflow()
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72 " This used to access invalid memory as a result of an integer overflow
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73 " and freeze vim.
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74 normal ox
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75 normal Heat
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76 z777777776666666
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77 ')
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78 endfunc
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79
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80 func Test_z_negative_lnum()
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81 new
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82 z^
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83 call assert_equal(1, line('.'))
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84 bwipe!
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85 endfunc