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pretty/test/test_number.lua

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local SUITE = require('TestSuite').new('number')
SUITE:setEnviroment{
format = require('pretty')
}
local function format_test (t)
SUITE:addTest(t.expect, function ()
assert_equal(t.expect, format(t.input, t.options))
end)
end
local function number_test (t)
SUITE:addTest(t.expect, function ()
assert_equal(t.expect, format(t.input, {}))
end)
SUITE:addTest(t.shorthand or (t.expect .. ' shorthand'), function ()
assert_equal(t.shorthand or t.expect, format(t.input, { math_shorthand = true }))
end)
end
--------------------------------------------------------------------------------
-- Integers
number_test {
input = 0,
expect = '0',
}
number_test {
input = -0,
expect = '0',
}
number_test {
input = 2000,
expect = '2000',
}
number_test {
input = -2000,
expect = '-2000',
}
--------------------------------------------------------------------------------
-- Exponents
number_test {
input = 10^5,
expect = '10^5',
shorthand = '10⁵',
}
number_test {
input = 10^-6,
expect = '10^-6',
shorthand = '10⁻⁶',
}
number_test {
input = 2^17,
expect = '2^17',
shorthand = '2¹⁷',
}
number_test {
input = 2^-7,
expect = '2^-7',
shorthand = '2⁻⁷',
}
--------------------------------------------------------------------------------
-- Decimal numbers
number_test {
input = 0.1,
expect = '0.1',
}
number_test {
input = 0.65,
expect = '0.65',
}
--------------------------------------------------------------------------------
-- Fractions
number_test {
input = 1/3,
expect = '1/3',
}
number_test {
input = 9/17,
expect = '9/17',
}
--------------------------------------------------------------------------------
-- Squareroots, logarithms, and other fine functions
number_test {
input = math.sqrt(8),
expect = 'math.sqrt(8)',
shorthand = '√̅8',
}
number_test {
input = 1/math.sqrt(8),
expect = '1/math.sqrt(8)',
shorthand = '1/√̅8',
}
number_test {
input = math.log(8),
expect = 'math.log(8)',
shorthand = 'lg(8)',
}
number_test {
input = 6227020800,
expect = 'fac(13)',
shorthand = '13!',
}
--------------------------------------------------------------------------------
-- Constants, and multiples of constants
number_test {
input = math.pi,
expect = 'math.pi',
shorthand = 'π',
}
number_test {
input = 7*math.pi,
expect = '7*math.pi',
shorthand = '',
}
number_test {
input = math.exp(1),
expect = 'math.exp(1)',
shorthand = '',
}
number_test {
input = math.exp(10),
expect = 'math.exp(10)',
shorthand = 'ℯ¹⁰',
}
number_test {
input = 1/0,
expect = '1/0',
shorthand = ''
}
number_test {
input = -1/0,
expect = '-1/0',
shorthand = '-∞'
}
number_test {
input = 0/0,
expect = '0/0',
shorthand = 'NaN',
}
--------------------------------------------------------------------------------
number_test {
-- A half should always be represented using 1/2, never with 2⁻¹.
input = 1/2,
expect = '1/2',
}
format_test {
input = { 1/2, 1/3, 1/4, 1/5 },
expect = '{ 1/2, 1/3, 1/4, 1/5 }',
}
--------------------------------------------------------------------------------
return SUITE