420 lines
11 KiB
Lua
420 lines
11 KiB
Lua
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local SUITE = require 'TestSuite' 'pretty'
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SUITE:setEnviroment{
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format = require('pretty')
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}
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local ASSERT_ERROR_APPROX = [[
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Approximate strings not similar enough:
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Should match: %s
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Gotten: %s
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]]
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--------------------------------------------------------------------------------
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-- Compat
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if not loadstring then loadstring = load end -- Lua 5.3 compat
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local HAS_ADV_GETLOCAL = not not debug.getinfo(1, 'u').nparams -- Lua 5.1 compat
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local HAS_UNICODE_IDEN = not not loadstring 'local ϕ = 1; return ϕ' -- Lua 5.1 compat
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local HAS_JIT_LIBRARY = type(rawget(_G, 'jit')) == 'table' -- Non-LuaJIT compat
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--
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local function format_test (t)
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if t.longterm then return end
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if t.adv_getlocal and not HAS_ADV_GETLOCAL then return end
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SUITE:addTest(t.name or t.expect, function ()
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local actual_result = format(t.input, t.options)
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if not t.approx or type(actual_result) ~= 'string' then
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assert_equal(t.expect, actual_result)
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else
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if not actual_result:match(t.expect) then
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error(ASSERT_ERROR_APPROX:format(t.expect, actual_result))
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end
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end
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end, { line = debug.getinfo(2).currentline })
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end
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--------------------------------------------------------------------------------
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-- Primitive types
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format_test {
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input = nil,
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expect = 'nil',
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}
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format_test {
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input = true,
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expect = 'true',
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}
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format_test {
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input = false,
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expect = 'false',
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}
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--------------------------------------------------------------------------------
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-- Userdata printing
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-- TODO: Figure out a way to print userdata.
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-- Maybe look into using the one available debug.getupvalue(pairs, 1)
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--------------------------------------------------------------------------------
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-- Thread printing
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do
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local suspended_coroutine = coroutine.create(function () end)
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format_test {
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input = suspended_coroutine,
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approx = true,
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expect = 'suspended coroutine: 0x%x+',
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}
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end
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do
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local dead_coroutine = coroutine.create(function () end)
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coroutine.resume(dead_coroutine)
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format_test {
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input = dead_coroutine,
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approx = true,
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expect = 'dead coroutine: 0x%x+',
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}
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end
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--------------------------------------------------------------------------------
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-- Single-line tables
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format_test {
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input = {},
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expect = '{}',
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}
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format_test {
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input = {1, 2, 3},
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expect = '{ 1, 2, 3 }',
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}
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format_test {
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input = { 'Hello', 'World' },
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expect = '{ \'Hello\', \'World\' }',
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}
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format_test {
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input = { a = 1, b = 2 },
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expect = '{ a = 1, b = 2 }',
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}
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format_test {
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input = { __hello = true },
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expect = '{ __hello = true }',
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}
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format_test {
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input = { [']]'] = true },
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expect = '{ [\']]\'] = true }',
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}
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format_test {
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input = { ['and'] = true },
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expect = '{ [\'and\'] = true }',
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}
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format_test {
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input = { [false] = false, [true] = true },
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expect = '{ [false] = false, [true] = true }',
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}
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format_test { -- Order does not matter
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input = { b = 1, a = 2 },
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expect = '{ a = 2, b = 1 }',
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}
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format_test { -- Can include empty tables
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input = { {}, {}, {} },
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expect = '{ {}, {}, {} }',
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}
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format_test { -- Can include very small tables
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input = { {1}, {2}, {3} },
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expect = '{ { 1 }, { 2 }, { 3 } }',
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}
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--------------------------------------------------------------------------------
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-- Multi-line tables
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format_test {
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input = { {1, 2, 3}, {4, 5, 6} },
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expect = '{ { 1, 2, 3 }, { 4, 5, 6 } }',
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}
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format_test {
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input = { a = {1, 2, 3}, b = {4, 5, 6} },
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expect = '{ a = { 1, 2, 3 }, b = { 4, 5, 6 } }',
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}
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format_test {
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name = 'Unicode characters can be used as string keys in tables',
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input = { ['a'] = 1, ['ψ'] = 2 },
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expect = '{ a = 1, ψ = 2 }',
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}
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format_test {
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input = { [100] = 'Hi', [300] = 'Hello' },
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expect = '{ [100] = \'Hi\', [300] = \'Hello\' }',
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}
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format_test {
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input = { 'Hi', [300] = 'Hello' },
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expect = '{ [1] = \'Hi\', [300] = \'Hello\' }',
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}
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format_test {
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input = { { {} } },
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expect = '{ { {} } }',
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}
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format_test {
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input = { [{ 1, 2 }] = { 2, 1 } },
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expect = '{ [{ 1, 2 }] = { 2, 1 } }',
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}
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format_test {
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input = { { {1, 2}, {3, 4} }, {5, 6} },
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expect = '{ { { 1, 2 }, { 3, 4 } }, { 5, 6 } }',
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}
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format_test {
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input = { { {1, 2}, {3, 4} }, {5, 6} },
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options = { max_depth = 0 },
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expect = '{...}',
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}
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format_test {
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input = { { {1, 2}, {3, 4} }, {5, 6} },
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options = { max_depth = 1 },
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expect = '{ {...}, {...} }',
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}
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format_test {
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input = { { {1, 2}, {3, 4} }, {5, 6} },
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options = { max_depth = 2 },
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expect = '{ { {...}, {...} }, { 5, 6 } }',
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}
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format_test {
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input = { { {1, 2}, {3, 4} }, {5, 6} },
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options = { max_depth = 3 },
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expect = '{ { { 1, 2 }, { 3, 4 } }, { 5, 6 } }',
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}
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format_test {
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input = { [{ {1,2}, {3,4} }] = 'Hello World' },
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expect = '{ [{...}] = \'Hello World\' }',
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}
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format_test {
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input = { a = {1,2}, bcdefg = {3,4} },
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expect = '{ a = { 1, 2 }, bcdefg = { 3, 4 } }',
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}
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format_test {
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input = { [true] = 1, [1] = false },
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expect = '{ [1] = false, [true] = 1 }',
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}
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format_test {
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-- Proper indent
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input = { [1] = 1, ['whatever'] = false },
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expect = '{ [1] = 1, [\'whatever\'] = false }',
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}
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format_test {
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name = 'Proper alignment when using unicode characters as keys',
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input = {
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['djævle'] = 'dyr?',
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['europa'] = 'måne',
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['øå'] = 'en å på en ø?',
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},
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expect = '{\n djævle = \'dyr?\',\n europa = \'måne\',\n øå = \'en å på en ø?\'\n}',
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}
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format_test {
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name = 'Proper alignment when using zero-width unicode characters as keys',
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input = {
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['hello_world_1'] = 'dyr?',
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['hello_world_2'] = 'dyr!',
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['hello\204\133_wo\204\133rld_3'] = 'dyr.',
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},
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expect = '{\n hello_world_1 = \'dyr?\',\n hello_world_2 = \'dyr!\',\n hello\204\133_wo\204\133rld_3 = \'dyr.\'\n}',
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}
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--------------------------------------------------------------------------------
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-- Pattern specific table display.
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format_test {
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name = 'Column style',
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input = {
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'hello', 'world', 'how',
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'is', 'it', 'going?',
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'Im', 'doing great', 'thanks',
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'that', 'was', 'what',
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'I', 'were', 'expecting'
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},
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expect = '{\n \'hello\', \'world\', \'how\',\n \'is\', \'it\', \'going?\',\n \'Im\', \'doing great\', \'thanks\',\n \'that\', \'was\', \'what\',\n \'I\', \'were\', \'expecting\'\n}',
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}
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format_test {
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name = 'Column style with trailing last row',
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input = {
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'hello', 'world', 'how',
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'is', 'it', 'going?',
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'Im', 'doing great', 'thanks',
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'that', 'was', 'what',
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'I'
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},
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expect = '{\n \'hello\', \'world\', \'how\',\n \'is\', \'it\', \'going?\',\n \'Im\', \'doing great\', \'thanks\',\n \'that\', \'was\', \'what\',\n \'I\'\n}',
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}
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format_test {
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name = 'Tabular style with strings left aligned',
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input = {
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{ a = 'hello', b = 'hi' },
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{ a = 'hi', b = 'hello' }
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},
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expect = '{\n { a = \'hello\', b = \'hi\' },\n { a = \'hi\', b = \'hello\' }\n}',
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}
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format_test {
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name = 'Tabular style with subtables in keys',
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input = {
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[false] = { a = 'hi', b = 'hello' },
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[true] = { a = 'hello', b = 'hi' }
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},
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expect = '{\n [false] = { a = \'hi\', b = \'hello\' },\n [true] = { a = \'hello\', b = \'hi\' }\n}',
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}
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format_test {
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name = 'Tabular style also works with strange keys',
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input = {
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{ [false] = 'hi', [true] = 'hello', },
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{ [false] = 'hello', [true] = 'hi', }
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},
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expect = '{\n { [false] = \'hi\', [true] = \'hello\' },\n { [false] = \'hello\', [true] = \'hi\' }\n}',
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}
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format_test {
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name = 'Tabular style also works with lists',
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input = {
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{ 'hello', 'world', 'how is things?' },
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{ 'hi', 'planetdroid', 'sup?' }
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},
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expect = '{\n { \'hello\', \'world\', \'how is things?\' },\n { \'hi\', \'planetdroid\', \'sup?\' }\n}',
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}
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format_test {
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name = 'Tabular style with numbers right aligned',
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input = {
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{ x = 140, y = 72, z = 31 },
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{ x = 5010, y = 1, z = 314 }
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},
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expect = '{\n { x = 140, y = 72, z = 31 },\n { x = 5010, y = 1, z = 314 }\n}',
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}
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format_test {
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name = 'Tabular style with small subtables',
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input = {
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{ a = 'hel', x = {b = 'abc', c = 'yo' } },
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{ a = 'hi', x = {b = 'yo', c = 'abc' } }
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},
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expect = '{\n { a = \'hel\', x = { b = \'abc\', c = \'yo\' } },\n { a = \'hi\', x = { b = \'yo\', c = \'abc\' } }\n}',
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}
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--------------------------------------------------------------------------------
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-- Table recursion
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do
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local recursive = {}
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recursive[1] = recursive
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format_test {
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input = recursive,
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options = { max_depth = 5 },
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expect = '{ {...} }',
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}
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format_test {
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input = recursive,
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options = { max_depth = 5, recursion = 'ignore' },
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expect = '{ {...} }',
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}
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format_test {
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input = recursive,
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options = { max_depth = 5, recursion = 'marked' },
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expect = '<1>{ <1>{...} }',
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}
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end
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do
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local a = {}
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local b = { a }
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a[1] = b
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local rec = { a = a, b = b }
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format_test {
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name = 'Top layers should be expanded, rather than lower layers.',
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input = rec,
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options = { max_depth = 5 },
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expect = '{\n a = { {...} },\n b = { {...} }\n}',
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}
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end
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--------------------------------------------------------------------------------
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-- CDATA
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-- TODO: Add more advanced understanding of cdata.
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if HAS_JIT_LIBRARY then
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local ffi = require('ffi')
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ffi.cdef[[
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int poll(struct pollfd *fds, unsigned long nfds, int timeout);
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]]
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format_test {
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input = ffi.C.poll,
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approx = true,
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expect = 'cdata<.+>: 0x%x+',
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}
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format_test {
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input = ffi.new('int[10]'),
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approx = true,
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expect = 'cdata<.+>: 0x%x+',
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}
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end
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--------------------------------------------------------------------------------
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-- General
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SUITE:addTest('UseCase: Can print _G with max_depth = 1', function ()
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format(_G, {max_depth = 1})
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assert(true)
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end)
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SUITE:addTest('UseCase: Can load function from file that is shortly deleted', function ()
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local module_name = 'tmp_'..os.time()
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-- Create module
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local file = io.open('./'..module_name..'.lua', 'w')
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file:write '\nlocal function yo ()\n -- Hello World\n return math.random()\nend\n\nreturn yo\n'
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file:close()
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-- Load module
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local yo = require(module_name)
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-- Remove module
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os.remove('./'..module_name..'.lua')
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package.loaded[module_name] = nil
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-- Format the function, even though the module it came from is gone.
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format(yo)
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assert(true)
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end)
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--------------------------------------------------------------------------------
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return SUITE
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