mirror of
https://github.com/neovim/neovim.git
synced 2025-09-24 20:18:32 +00:00
187 lines
5.8 KiB
Lua
187 lines
5.8 KiB
Lua
local helpers = require('test.functional.helpers')
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local exc_exec = helpers.exc_exec
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local execute = helpers.execute
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local meths = helpers.meths
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local funcs = helpers.funcs
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local meths = helpers.meths
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local clear = helpers.clear
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local eval = helpers.eval
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local eq = helpers.eq
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describe('Special values', function()
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before_each(clear)
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it('do not cause error when freed', function()
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execute([[
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function Test()
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try
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return v:true
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finally
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return 'something else'
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endtry
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endfunction
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]])
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eq(0, exc_exec('call Test()'))
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end)
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it('work with empty()', function()
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eq(0, funcs.empty(true))
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eq(1, funcs.empty(false))
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eq(1, eval('empty(v:null)'))
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eq(1, eval('empty(v:none)'))
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end)
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it('can be stringified and eval’ed back', function()
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eq(true, funcs.eval(funcs.string(true)))
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eq(false, funcs.eval(funcs.string(false)))
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eq(nil, eval('eval(string(v:null))'))
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eq(1, eval('eval(string(v:none)) is# v:none'))
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end)
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it('work with is/isnot properly', function()
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eq(1, eval('v:none is v:none'))
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eq(0, eval('v:none is v:null'))
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eq(0, eval('v:none is v:true'))
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eq(0, eval('v:none is v:false'))
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eq(1, eval('v:null is v:null'))
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eq(0, eval('v:null is v:true'))
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eq(0, eval('v:null is v:false'))
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eq(1, eval('v:true is v:true'))
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eq(0, eval('v:true is v:false'))
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eq(1, eval('v:false is v:false'))
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eq(0, eval('v:none is 0'))
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eq(0, eval('v:null is 0'))
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eq(0, eval('v:true is 0'))
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eq(0, eval('v:false is 0'))
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eq(0, eval('v:none is 1'))
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eq(0, eval('v:null is 1'))
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eq(0, eval('v:true is 1'))
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eq(0, eval('v:false is 1'))
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eq(0, eval('v:none is ""'))
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eq(0, eval('v:null is ""'))
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eq(0, eval('v:true is ""'))
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eq(0, eval('v:false is ""'))
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eq(0, eval('v:none is "none"'))
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eq(0, eval('v:null is "null"'))
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eq(0, eval('v:true is "true"'))
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eq(0, eval('v:false is "false"'))
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eq(0, eval('v:none is []'))
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eq(0, eval('v:null is []'))
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eq(0, eval('v:true is []'))
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eq(0, eval('v:false is []'))
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eq(0, eval('v:none isnot v:none'))
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eq(1, eval('v:none isnot v:null'))
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eq(1, eval('v:none isnot v:true'))
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eq(1, eval('v:none isnot v:false'))
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eq(0, eval('v:null isnot v:null'))
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eq(1, eval('v:null isnot v:true'))
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eq(1, eval('v:null isnot v:false'))
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eq(0, eval('v:true isnot v:true'))
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eq(1, eval('v:true isnot v:false'))
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eq(0, eval('v:false isnot v:false'))
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eq(1, eval('v:none isnot 0'))
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eq(1, eval('v:null isnot 0'))
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eq(1, eval('v:true isnot 0'))
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eq(1, eval('v:false isnot 0'))
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eq(1, eval('v:none isnot 1'))
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eq(1, eval('v:null isnot 1'))
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eq(1, eval('v:true isnot 1'))
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eq(1, eval('v:false isnot 1'))
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eq(1, eval('v:none isnot ""'))
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eq(1, eval('v:null isnot ""'))
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eq(1, eval('v:true isnot ""'))
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eq(1, eval('v:false isnot ""'))
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eq(1, eval('v:none isnot "none"'))
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eq(1, eval('v:null isnot "null"'))
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eq(1, eval('v:true isnot "true"'))
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eq(1, eval('v:false isnot "false"'))
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eq(1, eval('v:none isnot []'))
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eq(1, eval('v:null isnot []'))
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eq(1, eval('v:true isnot []'))
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eq(1, eval('v:false isnot []'))
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end)
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it('work with +/-/* properly', function()
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eq(1, eval('0 + v:true'))
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eq(0, eval('0 + v:none'))
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eq(0, eval('0 + v:null'))
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eq(0, eval('0 + v:false'))
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eq(-1, eval('0 - v:true'))
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eq( 0, eval('0 - v:none'))
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eq( 0, eval('0 - v:null'))
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eq( 0, eval('0 - v:false'))
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eq(1, eval('1 * v:true'))
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eq(0, eval('1 * v:none'))
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eq(0, eval('1 * v:null'))
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eq(0, eval('1 * v:false'))
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end)
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it('does not work with +=/-=/.=', function()
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meths.set_var('true', true)
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meths.set_var('false', false)
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execute('let none = v:none')
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execute('let null = v:null')
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eq('Vim(let):E734: Wrong variable type for +=', exc_exec('let true += 1'))
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eq('Vim(let):E734: Wrong variable type for +=', exc_exec('let false += 1'))
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eq('Vim(let):E734: Wrong variable type for +=', exc_exec('let none += 1'))
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eq('Vim(let):E734: Wrong variable type for +=', exc_exec('let null += 1'))
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eq('Vim(let):E734: Wrong variable type for -=', exc_exec('let true -= 1'))
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eq('Vim(let):E734: Wrong variable type for -=', exc_exec('let false -= 1'))
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eq('Vim(let):E734: Wrong variable type for -=', exc_exec('let none -= 1'))
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eq('Vim(let):E734: Wrong variable type for -=', exc_exec('let null -= 1'))
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eq('Vim(let):E734: Wrong variable type for .=', exc_exec('let true .= 1'))
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eq('Vim(let):E734: Wrong variable type for .=', exc_exec('let false .= 1'))
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eq('Vim(let):E734: Wrong variable type for .=', exc_exec('let none .= 1'))
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eq('Vim(let):E734: Wrong variable type for .=', exc_exec('let null .= 1'))
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end)
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it('work with . (concat) properly', function()
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eq("true", eval('"" . v:true'))
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eq("none", eval('"" . v:none'))
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eq("null", eval('"" . v:null'))
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eq("false", eval('"" . v:false'))
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end)
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it('work with type()', function()
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eq(6, funcs.type(true))
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eq(6, funcs.type(false))
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eq(7, eval('type(v:null)'))
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eq(7, eval('type(v:none)'))
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end)
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it('work with copy() and deepcopy()', function()
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eq(true, funcs.deepcopy(true))
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eq(false, funcs.deepcopy(false))
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eq(nil, eval('deepcopy(v:null)'))
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eq(nil, eval('deepcopy(v:none)'))
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eq(true, funcs.copy(true))
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eq(false, funcs.copy(false))
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eq(nil, eval('copy(v:null)'))
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eq(nil, eval('copy(v:none)'))
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end)
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it('fails in index', function()
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eq('Vim(echo):E15: Cannot index a special value', exc_exec('echo v:true[0]'))
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eq('Vim(echo):E15: Cannot index a special value', exc_exec('echo v:false[0]'))
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eq('Vim(echo):E15: Cannot index a special value', exc_exec('echo v:none[0]'))
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eq('Vim(echo):E15: Cannot index a special value', exc_exec('echo v:null[0]'))
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end)
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end)
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