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local helpers = require('test.functional.helpers')(after_each)
local call = helpers.call
local clear = helpers.clear
local eq = helpers.eq
local expect = helpers.expect
describe('getline()', function()
before_each(function()
clear()
call('setline', 1, {'a', 'b', 'c'})
expect([[
a
b
c]])
end)
it('returns empty string for invalid line', function()
eq('', call('getline', -1))
eq('', call('getline', 0))
eq('', call('getline', 4))
end)
it('returns empty list for invalid range', function()
eq({}, call('getline', 2, 1))
eq({}, call('getline', -1, 1))
eq({}, call('getline', 4, 4))
end)
it('returns value of valid line', function()
eq('b', call('getline', 2))
eq('a', call('getline', '.'))
end)
it('returns value of valid range', function()
eq({'a', 'b'}, call('getline', 1, 2))
eq({'a', 'b', 'c'}, call('getline', 1, 4))
end)
end)
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