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require_relative '../../../../spec_helper'
require 'openssl'
describe :openssl_random_bytes, shared: true do |cmd|
it "generates a random binary string of specified length" do
(1..64).each do |idx|
bytes = OpenSSL::Random.send(@method, idx)
bytes.should be_kind_of(String)
bytes.length.should == idx
end
end
it "generates different binary strings with subsequent invocations" do
# quick and dirty check, but good enough
values = []
256.times do
val = OpenSSL::Random.send(@method, 16)
# make sure the random bytes are not repeating
values.include?(val).should == false
values << val
end
end
it "raises ArgumentError on negative arguments" do
-> {
OpenSSL::Random.send(@method, -1)
}.should raise_error(ArgumentError)
end
end
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