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require_relative '../../spec_helper'
require_relative 'shared/power'
require 'bigdecimal'
describe "BigDecimal#**" do
it_behaves_like :bigdecimal_power, :**
end
describe "BigDecimal#exponent" do
it "returns an Integer" do
BigDecimal("2E100000000").exponent.kind_of?(Integer).should == true
BigDecimal("2E-999").exponent.kind_of?(Integer).should == true
end
it "is n if number can be represented as 0.xxx*10**n" do
BigDecimal("2E1000").exponent.should == 1001
BigDecimal("1234567E10").exponent.should == 17
end
it "returns 0 if self is 0" do
BigDecimal("0").exponent.should == 0
BigDecimal("+0").exponent.should == 0
BigDecimal("-0").exponent.should == 0
end
end
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