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local helpers = require('test.unit.helpers')(after_each)
local itp = helpers.gen_itp(it)
local to_cstr = helpers.to_cstr
local ffi = helpers.ffi
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)
describe('indent_size_ts()', function()
itp('works for spaces', function()
local line = to_cstr((' '):rep(7) .. 'a ')
eq(7, indent.indent_size_ts(line, 100, nil))
end)
itp('works for tabs and spaces', function()
local line = to_cstr(' \t \t \t\t a ')
eq(19, indent.indent_size_ts(line, 4, nil))
end)
itp('works for tabs and spaces with empty vts', function()
local vts = ffi.new('int[1]') -- zero initialized => first element (size) == 0
local line = to_cstr(' \t \t \t\t a ')
eq(23, indent.indent_size_ts(line, 4, vts))
end)
itp('works for tabs and spaces with vts', function()
local vts = ffi.new('int[3]')
vts[0] = 2 -- zero indexed
vts[1] = 7
vts[2] = 2
local line = to_cstr(' \t \t \t\t a ')
eq(18, indent.indent_size_ts(line, 4, vts))
end)
end)
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