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Contents
require_relative "spec_helper"
describe Lanes::Numbers do
Num = Lanes::Numbers
def test_percnum
assert Num::PercNum.new( '5%' ).is_percentage?, "is a percentage"
assert Num::PercNum.new( '5% ' ).is_percentage?, "is a percentage"
assert Num::PercNum.new( '5.3 % ' ).is_percentage?, "is a percentage"
refute Num::PercNum.new( '$5.3 ' ).is_percentage?, "is not a percentage"
# this is debatable, but we have to draw the line somewhere
refute Num::PercNum.new( '%5.3 ' ).is_percentage?, "is a percentage"
assert_equal '95.0', Num::PercNum.new( '5' ).debit_from(100).to_s
assert_equal '95.0', Num::PercNum.new( '5%' ).debit_from(100).to_s
assert_equal '105.0', Num::PercNum.new( '5%' ).credit_to(100).to_s
assert_equal '95.0', Num::PercNum.new( '-5%').credit_to(100).to_s
assert_equal '137.38449', Num::PercNum.new( '33.383%' ).credit_to(103).to_s
assert_equal '68.61551', Num::PercNum.new( '33.383%' ).debit_from(103).to_s
end
end
Version data entries
18 entries across 18 versions & 1 rubygems