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require_relative '../../spec_helper'
require 'bigdecimal'
require 'bigdecimal/util'
describe "BigDecimal's util method definitions" do
describe "#to_d" do
it "should define #to_d on Integer" do
42.to_d.should == BigDecimal(42)
end
it "should define #to_d on Float" do
0.5.to_d.should == BigDecimal(0.5, Float::DIG)
1.234.to_d(2).should == BigDecimal(1.234, 2)
end
it "should define #to_d on String" do
"0.5".to_d.should == BigDecimal(0.5, Float::DIG)
"45.67 degrees".to_d.should == BigDecimal(45.67, Float::DIG)
end
it "should define #to_d on BigDecimal" do
bd = BigDecimal("3.14")
bd.to_d.should equal(bd)
end
it "should define #to_d on Rational" do
Rational(22, 7).to_d(3).should == BigDecimal(3.14, 3)
end
it "should define #to_d on nil" do
nil.to_d.should == BigDecimal(0)
end
end
describe "#to_digits" do
it "should define #to_digits on BigDecimal" do
BigDecimal("3.14").to_digits.should == "3.14"
end
end
end
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