neovim/test/unit/indent_spec.lua

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local helpers = require("test.unit.helpers")(after_each)
local itp = helpers.gen_itp(it)
local eq = helpers.eq
local indent = helpers.cimport("./src/nvim/indent.h")
local globals = helpers.cimport("./src/nvim/globals.h")
describe('get_sts_value', function()
itp([[returns 'softtabstop' when it is non-negative]], function()
globals.curbuf.b_p_sts = 5
eq(5, indent.get_sts_value())
globals.curbuf.b_p_sts = 0
eq(0, indent.get_sts_value())
end)
itp([[returns "effective shiftwidth" when 'softtabstop' is negative]], function()
local shiftwidth = 2
globals.curbuf.b_p_sw = shiftwidth
local tabstop = 5
globals.curbuf.b_p_ts = tabstop
globals.curbuf.b_p_sts = -2
eq(shiftwidth, indent.get_sts_value())
shiftwidth = 0
globals.curbuf.b_p_sw = shiftwidth
eq(tabstop, indent.get_sts_value())
end)
end)