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local t = require('test.testutil')
local n = require('test.functional.testnvim')()
local eq = t.eq
local eval = n.eval
local clear = n.clear
describe('Division operator', function()
before_each(clear)
it('returns infinity on {positive}/0.0', function()
eq("str2float('inf')", eval('string(1.0/0.0)'))
eq("str2float('inf')", eval('string(1.0e-100/0.0)'))
eq("str2float('inf')", eval('string(1.0e+100/0.0)'))
eq("str2float('inf')", eval('string((1.0/0.0)/0.0)'))
end)
it('returns -infinity on {negative}/0.0', function()
eq("-str2float('inf')", eval('string((-1.0)/0.0)'))
eq("-str2float('inf')", eval('string((-1.0e-100)/0.0)'))
eq("-str2float('inf')", eval('string((-1.0e+100)/0.0)'))
eq("-str2float('inf')", eval('string((-1.0/0.0)/0.0)'))
end)
it('returns NaN on 0.0/0.0', function()
eq("str2float('nan')", eval('string(0.0/0.0)'))
eq("str2float('nan')", eval('string(-(0.0/0.0))'))
eq("str2float('nan')", eval('string((-0.0)/0.0)'))
end)
end)
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