spec/ruby/library/digest/sha384/equal_spec.rb


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require_relative '../../../spec_helper'
require_relative 'shared/constants'

describe "Digest::SHA384#==" do

  it "equals itself" do
    cur_digest = Digest::SHA384.new
    cur_digest.should == cur_digest
  end

  it "equals the string representing its hexdigest" do
    cur_digest = Digest::SHA384.new
    cur_digest.should == SHA384Constants::BlankHexdigest
  end

  it "equals the appropriate object that responds to to_str" do
    # blank digest
    cur_digest = Digest::SHA384.new
    (obj = mock(SHA384Constants::BlankHexdigest)).should_receive(:to_str).and_return(SHA384Constants::BlankHexdigest)
    cur_digest.should == obj

    # non-blank digest
    cur_digest = Digest::SHA384.new
    cur_digest << "test"
    d_value = cur_digest.hexdigest
    (obj = mock(d_value)).should_receive(:to_str).and_return(d_value)
    cur_digest.should == obj
  end

  it "equals the same digest for a different object" do
    cur_digest = Digest::SHA384.new
    cur_digest2 = Digest::SHA384.new
    cur_digest.should == cur_digest2
  end

end