diff options
Diffstat (limited to 'spec/rubyspec/library/openssl/random/shared/random_bytes.rb')
-rw-r--r-- | spec/rubyspec/library/openssl/random/shared/random_bytes.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/spec/rubyspec/library/openssl/random/shared/random_bytes.rb b/spec/rubyspec/library/openssl/random/shared/random_bytes.rb new file mode 100644 index 0000000000..399e40de39 --- /dev/null +++ b/spec/rubyspec/library/openssl/random/shared/random_bytes.rb @@ -0,0 +1,29 @@ +require File.expand_path('../../../../../spec_helper', __FILE__) +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 + lambda { + OpenSSL::Random.send(@method, -1) + }.should raise_error(ArgumentError) + end +end |