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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require 'bigdecimal'
describe "BigDecimal.limit" do
it "returns the value before set if the passed argument is nil or is not specified" do
old = BigDecimal.limit
BigDecimal.limit.should == 0
BigDecimal.limit(10).should == 0
BigDecimal.limit.should == 10
BigDecimal.limit(old)
end
it "use the global limit if no precision is specified" do
BigDecimalSpecs::with_limit(0) do
(BigDecimal('0.888') + BigDecimal('0')).should == BigDecimal('0.888')
(BigDecimal('0.888') * BigDecimal('3')).should == BigDecimal('2.664')
end
BigDecimalSpecs::with_limit(1) do
(BigDecimal('0.888') + BigDecimal('0')).should == BigDecimal('0.9')
(BigDecimal('0.888') * BigDecimal('3')).should == BigDecimal('3')
end
BigDecimalSpecs::with_limit(2) do
(BigDecimal('0.888') + BigDecimal('0')).should == BigDecimal('0.89')
(BigDecimal('0.888') * BigDecimal('3')).should == BigDecimal('2.7')
end
end
end
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