view src/testdir/test_history.vim @ 9969:176e34b0d678 v7.4.2258

commit https://github.com/vim/vim/commit/f1f0792e55e72cdc7c833b30f565a9b02f18bb1e Author: Bram Moolenaar <Bram@vim.org> Date: Fri Aug 26 17:58:53 2016 +0200 patch 7.4.2258 Problem: Two JSON messages are sent without a separator. Solution: Separate messages with a NL. (closes https://github.com/vim/vim/issues/1001)
author Christian Brabandt <cb@256bit.org>
date Fri, 26 Aug 2016 18:00:08 +0200
parents 5d926807c19c
children f3bb76ec4155
line wrap: on
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" Tests for the history functions

if !has('cmdline_hist')
  finish
endif

set history=7

function History_Tests(hist)
  " First clear the history
  call histadd(a:hist, 'dummy')
  call assert_true(histdel(a:hist))
  call assert_equal(-1, histnr(a:hist))
  call assert_equal('', histget(a:hist))

  call assert_true(histadd(a:hist, 'ls'))
  call assert_true(histadd(a:hist, 'buffers'))
  call assert_equal('buffers', histget(a:hist))
  call assert_equal('ls', histget(a:hist, -2))
  call assert_equal('ls', histget(a:hist, 1))
  call assert_equal('', histget(a:hist, 5))
  call assert_equal('', histget(a:hist, -5))
  call assert_equal(2, histnr(a:hist))
  call assert_true(histdel(a:hist, 2))
  call assert_false(histdel(a:hist, 7))
  call assert_equal(1, histnr(a:hist))
  call assert_equal('ls', histget(a:hist, -1))

  call assert_true(histadd(a:hist, 'buffers'))
  call assert_true(histadd(a:hist, 'ls'))
  call assert_equal('ls', histget(a:hist, -1))
  call assert_equal(4, histnr(a:hist))

  " Test for removing entries matching a pattern
  for i in range(1, 3)
      call histadd(a:hist, 'text_' . i)
  endfor
  call assert_true(histdel(a:hist, 'text_\d\+'))
  call assert_equal('ls', histget(a:hist, -1))

  " Test for freeing the entire history list
  for i in range(1, 7)
      call histadd(a:hist, 'text_' . i)
  endfor
  call histdel(a:hist)
  for i in range(1, 7)
    call assert_equal('', histget(a:hist, i))
    call assert_equal('', histget(a:hist, i - 7 - 1))
  endfor
endfunction

function Test_History()
  for h in ['cmd', ':', '', 'search', '/', '?', 'expr', '=', 'input', '@', 'debug', '>']
    call History_Tests(h)
  endfor

  " Negative tests
  call assert_false(histdel('abc'))
  call assert_equal('', histget('abc'))
  call assert_fails('call histdel([])', 'E730:')
  call assert_equal('', histget(10))
  call assert_fails('call histget([])', 'E730:')
  call assert_equal(-1, histnr('abc'))
  call assert_fails('call histnr([])', 'E730:')
endfunction