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require 'spec_helper'
shared_examples_for "CRC" do
it "should calculate a checksum for text" do
expect(described_class.hexdigest(string)).to be == expected
end
it "should calculate a checksum for multiple data" do
middle = (string.length / 2)
chunk1 = string[0...middle]
chunk2 = string[middle..-1]
crc = subject
crc << chunk1
crc << chunk2
expect(crc.hexdigest).to be == expected
end
it "should provide direct access to the checksum value" do
crc = subject
crc << string
expect(crc.checksum).to be == expected.to_i(16)
end
end
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