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local helper = require "spec.helper"
local function assert_warnings(warnings, src)
assert.same(warnings, helper.get_stage_warnings("detect_empty_blocks", src))
end
describe("empty block detection", function()
it("detects empty blocks", function()
assert_warnings({
{code = "541", line = 1, column = 1, end_column = 6},
{code = "542", line = 3, column = 8, end_column = 11},
{code = "542", line = 5, column = 12, end_column = 15},
{code = "542", line = 7, column = 1, end_column = 4}
}, [[
do end
if ... then
elseif ... then
else
end
if ... then
somehing()
else
something_else()
end
do something() end
while ... do end
repeat until ...
]])
end)
it("detects empty blocks in nested blocks and functions", function()
assert_warnings({
{code = "541", line = 4, column = 10, end_column = 15},
{code = "541", line = 7, column = 13, end_column = 18},
{code = "541", line = 12, column = 22, end_column = 27},
{code = "542", line = 14, column = 27, end_column = 30}
}, [[
do
while x do
if y then
do end
else
repeat
do end
function t()
for i = 1, 10 do
for _, v in ipairs(tab) do
do end
if c then end
end
end
end
until z
end
end
end
]])
end)
end)
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