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require_relative '../../spec_helper'
require_relative 'shared/mult'
require 'bigdecimal'
describe "BigDecimal#mult" do
it_behaves_like :bigdecimal_mult, :mult, [10]
end
describe "BigDecimal#mult" do
before :each do
@one = BigDecimal "1"
@e3_minus = BigDecimal("3E-20001")
@e3_plus = BigDecimal("3E20001")
@e = BigDecimal "1.00000000000000000000123456789"
@tolerance = @e.sub @one, 1000
@tolerance2 = BigDecimal "30001E-20005"
end
it "multiply self with other with (optional) precision" do
@e.mult(@one, 1).should be_close(@one, @tolerance)
@e3_minus.mult(@one, 1).should be_close(0, @tolerance2)
end
describe "with Object" do
it "tries to coerce the other operand to self" do
object = mock("Object")
object.should_receive(:coerce).with(@e3_minus).and_return([@e3_minus, @e3_plus])
@e3_minus.mult(object, 1).should == BigDecimal("9")
end
end
end
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