-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-require File.expand_path('../shared/update', __FILE__)

-

-describe "Digest::SHA256#<<" do

- it_behaves_like(:sha256_update, :<<)

-end

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#block_length" do

-

- it "returns the length of digest block" do

- cur_digest = Digest::SHA256.new

- cur_digest.block_length.should == SHA256Constants::BlockLength

- end

-

-end

-

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#digest!" do

-

- it "returns a digest and can digest!" do

- cur_digest = Digest::SHA256.new

- cur_digest << SHA256Constants::Contents

- cur_digest.digest!().should == SHA256Constants::Digest

- cur_digest.digest().should == SHA256Constants::BlankDigest

- end

-

-end

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#digest_length" do

-

- it "returns the length of computed digests" do

- cur_digest = Digest::SHA256.new

- cur_digest.digest_length.should == SHA256Constants::DigestLength

- end

-

-end

-

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#digest" do

-

- it "returns a digest" do

- cur_digest = Digest::SHA256.new

- cur_digest.digest().should == SHA256Constants::BlankDigest

-

- # add something to check that the state is reset later

- cur_digest << "test"

-

- cur_digest.digest(SHA256Constants::Contents).should == SHA256Constants::Digest

- # second invocation is intentional, to make sure there are no side-effects

- cur_digest.digest(SHA256Constants::Contents).should == SHA256Constants::Digest

-

- # after all is done, verify that the digest is in the original, blank state

- cur_digest.digest.should == SHA256Constants::BlankDigest

- end

-

-end

-

-describe "Digest::SHA256.digest" do

-

- it "returns a digest" do

- Digest::SHA256.digest(SHA256Constants::Contents).should == SHA256Constants::Digest

- # second invocation is intentional, to make sure there are no side-effects

- Digest::SHA256.digest(SHA256Constants::Contents).should == SHA256Constants::Digest

- Digest::SHA256.digest("").should == SHA256Constants::BlankDigest

- end

-

-end

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#==" do

-

- it "equals itself" do

- cur_digest = Digest::SHA256.new

- cur_digest.should == cur_digest

- end

-

- it "equals the string representing its hexdigest" do

- cur_digest = Digest::SHA256.new

- cur_digest.should == SHA256Constants::BlankHexdigest

- end

-

- it "equals the appropriate object that responds to to_str" do

- # blank digest

- cur_digest = Digest::SHA256.new

- (obj = mock(SHA256Constants::BlankHexdigest)).should_receive(:to_str).and_return(SHA256Constants::BlankHexdigest)

- cur_digest.should == obj

-

- # non-blank digest

- cur_digest = Digest::SHA256.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::SHA256.new

- cur_digest2 = Digest::SHA256.new

- cur_digest.should == cur_digest2

- end

-

-end

-

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-require File.expand_path('../../../../core/file/shared/read', __FILE__)

-

-describe "Digest::SHA256.file" do

-

- describe "when passed a path to a file that exists" do

- before :each do

- @file = tmp("md5_temp")

- touch(@file, 'wb') {|f| f.write SHA256Constants::Contents }

- end

-

- after :each do

- rm_r @file

- end

-

- it "returns a Digest::SHA256 object" do

- Digest::SHA256.file(@file).should be_kind_of(Digest::SHA256)

- end

-

- it "returns a Digest::SHA256 object with the correct digest" do

- Digest::SHA256.file(@file).digest.should == SHA256Constants::Digest

- end

-

- it "calls #to_str on an object and returns the Digest::SHA256 with the result" do

- obj = mock("to_str")

- obj.should_receive(:to_str).and_return(@file)

- result = Digest::SHA256.file(obj)

- result.should be_kind_of(Digest::SHA256)

- result.digest.should == SHA256Constants::Digest

- end

- end

-

- it_behaves_like :file_read_directory, :file, Digest::SHA256

-

- it "raises a Errno::ENOENT when passed a path that does not exist" do

- lambda { Digest::SHA256.file("") }.should raise_error(Errno::ENOENT)

- end

-

- it "raises a TypeError when passed nil" do

- lambda { Digest::SHA256.file(nil) }.should raise_error(TypeError)

- end

-end

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#hexdigest!" do

-

- it "returns a hexdigest and resets the state" do

- cur_digest = Digest::SHA256.new

-

- cur_digest << SHA256Constants::Contents

- cur_digest.hexdigest!.should == SHA256Constants::Hexdigest

- cur_digest.hexdigest.should == SHA256Constants::BlankHexdigest

- end

-

-end

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#hexdigest" do

-

- it "returns a hexdigest" do

- cur_digest = Digest::SHA256.new

- cur_digest.hexdigest.should == SHA256Constants::BlankHexdigest

-

- # add something to check that the state is reset later

- cur_digest << "test"

-

- cur_digest.hexdigest(SHA256Constants::Contents).should == SHA256Constants::Hexdigest

- # second invocation is intentional, to make sure there are no side-effects

- cur_digest.hexdigest(SHA256Constants::Contents).should == SHA256Constants::Hexdigest

-

- # after all is done, verify that the digest is in the original, blank state

- cur_digest.hexdigest.should == SHA256Constants::BlankHexdigest

- end

-

-end

-

-describe "Digest::SHA256.hexdigest" do

-

- it "returns a hexdigest" do

- Digest::SHA256.hexdigest(SHA256Constants::Contents).should == SHA256Constants::Hexdigest

- # second invocation is intentional, to make sure there are no side-effects

- Digest::SHA256.hexdigest(SHA256Constants::Contents).should == SHA256Constants::Hexdigest

- Digest::SHA256.hexdigest("").should == SHA256Constants::BlankHexdigest

- end

-

-end

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#inspect" do

-

- it "returns a Ruby object representation" do

- cur_digest = Digest::SHA256.new

- cur_digest.inspect.should == "#<#{SHA256Constants::Klass}: #{cur_digest.hexdigest()}>"

- end

-

-end

-

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-require File.expand_path('../shared/length', __FILE__)

-

-describe "Digest::SHA256#length" do

- it_behaves_like :sha256_length, :length

-end

-

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#reset" do

-

- it "returns digest state to initial conditions" do

- cur_digest = Digest::SHA256.new

- cur_digest.update SHA256Constants::Contents

- cur_digest.digest().should_not == SHA256Constants::BlankDigest

- cur_digest.reset

- cur_digest.digest().should == SHA256Constants::BlankDigest

- end

-

-end

-

-# -*- encoding: binary -*-

-

-require 'digest/sha2'

-

-module SHA256Constants

-

- Contents = "Ipsum is simply dummy text of the printing and typesetting industry. \nLorem Ipsum has been the industrys standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. \nIt has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. \nIt was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."

-

- Klass = ::Digest::SHA256

- BlockLength = 64

- DigestLength = 32

- BlankDigest = "\343\260\304B\230\374\034\024\232\373\364\310\231o\271$'\256A\344d\233\223L\244\225\231\exR\270U"

- Digest = "\230b\265\344_\337\357\337\242\004\314\311A\211jb\350\373\254\370\365M\230B\002\372\020j\as\270\376"

- BlankHexdigest = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"

- Hexdigest = "9862b5e45fdfefdfa204ccc941896a62e8fbacf8f54d984202fa106a0773b8fe"

-

-end

-describe :sha256_length, shared: true do

- it "returns the length of the digest" do

- cur_digest = Digest::SHA256.new

- cur_digest.send(@method).should == SHA256Constants::BlankDigest.size

- cur_digest << SHA256Constants::Contents

- cur_digest.send(@method).should == SHA256Constants::Digest.size

- end

-end

-describe :sha256_update, shared: true do

- it "can update" do

- cur_digest = Digest::SHA256.new

- cur_digest.send @method, SHA256Constants::Contents

- cur_digest.digest.should == SHA256Constants::Digest

- end

-end

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-require File.expand_path('../shared/length', __FILE__)

-

-describe "Digest::SHA256#size" do

- it_behaves_like :sha256_length, :size

-end

-

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-

-describe "Digest::SHA256#to_s" do

-

- it "returns a hexdigest" do

- cur_digest = Digest::SHA256.new

- cur_digest.to_s.should == SHA256Constants::BlankHexdigest

- end

-

- it "does not change the internal state" do

- cur_digest = Digest::SHA256.new

- cur_digest.to_s.should == SHA256Constants::BlankHexdigest

- cur_digest.to_s.should == SHA256Constants::BlankHexdigest

-

- cur_digest << SHA256Constants::Contents

- cur_digest.to_s.should == SHA256Constants::Hexdigest

- cur_digest.to_s.should == SHA256Constants::Hexdigest

- end

-

-end

-require File.expand_path('../../../../spec_helper', __FILE__)

-require File.expand_path('../shared/constants', __FILE__)

-require File.expand_path('../shared/update', __FILE__)

-

-describe "Digest::SHA256#update" do

- it_behaves_like :sha256_update, :update

-end