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local helper = require "spec.helper"
local function assert_warnings(warnings, src)
assert.same(warnings, helper.get_stage_warnings("detect_unused_fields", src))
end
describe("unused field detection", function()
it("detects unused fields in table literals", function()
assert_warnings({
{code = "314", field = "key", line = 3, column = 5, end_column = 9,
overwritten_line = 7, overwritten_column = 4, overwritten_end_column = 6},
{code = "314", field = "2", index = true, line = 6, column = 4, end_column = 4,
overwritten_line = 9, overwritten_column = 5, overwritten_end_column = 9},
{code = "314", field = "key", line = 7, column = 4, end_column = 6,
overwritten_line = 8, overwritten_column = 4, overwritten_end_column = 6},
{code = "314", field = "0.2e1", line = 9, column = 5, end_column = 9,
overwritten_line = 10, overwritten_column = 5, overwritten_end_column = 5}
}, [[
local x, y, z = 1, 2, 3
return {
["key"] = 4,
[z] = 7,
1,
y,
key = x,
key = 0,
[0.2e1] = 6,
[2] = 7
}
]])
end)
it("detects unused fields in nested table literals", function()
assert_warnings({
{code = "314", field = "a", line = 2, column = 5, end_column = 5,
overwritten_line = 2, overwritten_column = 12, overwritten_end_column = 12},
{code = "314", field = "b", line = 3, column = 11, end_column = 11,
overwritten_line = 3, overwritten_column = 18, overwritten_end_column = 18}
}, [[
return {
{a = 1, a = 2},
key = {b = 1, b = 2}
}
]])
end)
end)
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