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777dafdc46
Use only a single clear() call in some test/functional/vimscript/ test files whose test cases have very little side effect. A downside of using a single clear() is that if a crash happens in one test case, all following test cases in the same file will also fail, but these functionalities and tests don't change very often.
97 lines
3.1 KiB
Lua
97 lines
3.1 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local clear = n.clear
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local eq = t.eq
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local eval = n.eval
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local fn = n.fn
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local api = n.api
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local exc_exec = n.exc_exec
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describe('printf()', function()
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setup(clear)
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it('works with zero and %b', function()
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eq('0', fn.printf('%lb', 0))
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eq('0', fn.printf('%llb', 0))
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eq('0', fn.printf('%zb', 0))
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end)
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it('works with one and %b', function()
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eq('1', fn.printf('%b', 1))
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eq('1', fn.printf('%lb', 1))
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eq('1', fn.printf('%llb', 1))
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eq('1', fn.printf('%zb', 1))
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end)
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it('works with 0xff and %b', function()
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eq('11111111', fn.printf('%b', 0xff))
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eq('11111111', fn.printf('%lb', 0xff))
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eq('11111111', fn.printf('%llb', 0xff))
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eq('11111111', fn.printf('%zb', 0xff))
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end)
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it('accepts width modifier with %b', function()
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eq(' 1', fn.printf('%3b', 1))
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end)
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it('accepts prefix modifier with %b', function()
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eq('0b1', fn.printf('%#b', 1))
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end)
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it('writes capital B with %B', function()
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eq('0B1', fn.printf('%#B', 1))
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end)
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it('accepts prefix, zero-fill and width modifiers with %b', function()
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eq('0b001', fn.printf('%#05b', 1))
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end)
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it('accepts prefix and width modifiers with %b', function()
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eq(' 0b1', fn.printf('%#5b', 1))
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end)
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it('does not write prefix for zero with prefix and width modifier used with %b', function()
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eq(' 0', fn.printf('%#5b', 0))
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end)
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it('accepts precision modifier with %b', function()
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eq('00000', fn.printf('%.5b', 0))
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end)
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it('accepts all modifiers with %b at once', function()
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-- zero-fill modifier is ignored when used with left-align
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-- force-sign and add-blank are ignored
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-- use-grouping-characters modifier is ignored always
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eq('0b00011 ', fn.printf("% '+#0-10.5b", 3))
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end)
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it('errors out when %b modifier is used for a list', function()
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eq('Vim(call):E745: Using a List as a Number', exc_exec('call printf("%b", [])'))
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end)
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it('errors out when %b modifier is used for a float', function()
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eq('Vim(call):E805: Using a Float as a Number', exc_exec('call printf("%b", 3.1415926535)'))
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end)
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it('works with %p correctly', function()
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local null_ret = nil
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local seen_rets = {}
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-- Collect all args in an array to avoid possible allocation of the same
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-- address after freeing unreferenced values.
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api.nvim_set_var('__args', {})
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local function check_printf(expr, is_null)
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eq(0, exc_exec('call add(__args, ' .. expr .. ')'))
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eq(0, exc_exec('let __result = printf("%p", __args[-1])'))
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local id_ret = eval('id(__args[-1])')
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eq(id_ret, api.nvim_get_var('__result'))
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if is_null then
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if null_ret then
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eq(null_ret, id_ret)
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else
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null_ret = id_ret
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end
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else
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eq(nil, seen_rets[id_ret])
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seen_rets[id_ret] = expr
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end
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api.nvim_del_var('__result')
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end
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check_printf('v:_null_string', true)
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check_printf('v:_null_list', true)
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check_printf('v:_null_dict', true)
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check_printf('v:_null_blob', true)
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check_printf('[]')
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check_printf('{}')
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check_printf('0z')
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check_printf('function("tr", ["a"])')
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end)
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end)
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