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