206 lines
3.9 KiB
Lua
206 lines
3.9 KiB
Lua
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local SUITE = require('TestSuite').new('number')
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SUITE:setEnviroment{
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format = require('pretty')
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}
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local function format_test (t)
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SUITE:addTest(t.expect, function ()
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assert_equal(t.expect, format(t.input, t.options))
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end, { line = debug.getinfo(2).currentline })
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end
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local function number_test (t)
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SUITE:addTest(t.name or t.expect, function ()
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assert_equal(t.expect, format(t.input, {}))
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end)
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SUITE:addTest(t.name and (t.name .. ' shorthand') or t.shorthand or (t.expect .. ' shorthand'), function ()
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assert_equal(t.shorthand or t.expect, format(t.input, { math_shorthand = true }))
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end, { line = debug.getinfo(2).currentline })
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end
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--------------------------------------------------------------------------------
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-- Integers
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number_test {
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input = 0,
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expect = '0',
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}
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number_test {
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input = -0,
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expect = '0',
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}
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number_test {
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input = 2000,
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expect = '2000',
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}
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number_test {
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input = -2000,
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expect = '-2000',
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}
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--------------------------------------------------------------------------------
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-- Exponents
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number_test {
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input = 10^5,
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expect = '10^5',
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shorthand = '10⁵',
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}
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number_test {
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input = 10^-6,
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expect = '10^-6',
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shorthand = '10⁻⁶',
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}
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number_test {
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input = 2^17,
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expect = '2^17',
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shorthand = '2¹⁷',
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}
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number_test {
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input = 2^-7,
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expect = '2^-7',
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shorthand = '2⁻⁷',
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}
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--------------------------------------------------------------------------------
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-- Decimal numbers
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number_test {
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input = 0.1,
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expect = '0.1',
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}
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number_test {
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input = 0.65,
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expect = '0.65',
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}
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--------------------------------------------------------------------------------
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-- Fractions
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number_test {
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input = 1/3,
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expect = '1/3',
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}
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number_test {
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input = 9/17,
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expect = '9/17',
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}
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--------------------------------------------------------------------------------
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-- Squareroots, logarithms, and other fine functions
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number_test {
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input = math.sqrt(8),
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expect = 'math.sqrt(8)',
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shorthand = '√̅8',
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}
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number_test {
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input = 1/math.sqrt(8),
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expect = '1/math.sqrt(8)',
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shorthand = '1/√̅8',
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}
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number_test {
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input = math.log(8),
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expect = 'math.log(8)',
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shorthand = 'lg(8)',
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}
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number_test {
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input = 6227020800,
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expect = 'fac(13)',
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shorthand = '13!',
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}
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--------------------------------------------------------------------------------
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-- Constants, and multiples of constants
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number_test {
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input = math.pi,
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expect = 'math.pi',
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shorthand = 'π',
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}
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number_test {
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input = 7*math.pi,
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expect = '7*math.pi',
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shorthand = '7π',
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}
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number_test {
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input = math.exp(1),
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expect = 'math.exp(1)',
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shorthand = 'ℯ',
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}
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number_test {
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input = math.exp(10),
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expect = 'math.exp(10)',
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shorthand = 'ℯ¹⁰',
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}
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number_test {
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input = 1/0,
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expect = '1/0',
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shorthand = '∞'
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}
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number_test {
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input = -1/0,
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expect = '-1/0',
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shorthand = '-∞'
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}
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number_test {
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input = 0/0,
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expect = '0/0',
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shorthand = 'NaN',
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}
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--------------------------------------------------------------------------------
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-- Use the expression closest to the real value
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do
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local sum = 0
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for i = 1, 100 do sum = sum + math.pi/100 end
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number_test {
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name = 'Approx π',
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input = sum,
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expect = 'math.pi',
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shorthand = 'π',
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}
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end
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number_test {
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input = 4*4,
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expect = '16',
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}
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--------------------------------------------------------------------------------
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number_test {
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-- A half should always be represented using 1/2, never with 2⁻¹.
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input = 1/2,
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expect = '1/2',
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}
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format_test {
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input = { 1/2, 1/3, 1/4, 1/5 },
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expect = '{ 1/2, 1/3, 1/4, 1/5 }',
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}
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--------------------------------------------------------------------------------
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return SUITE
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