diff options
Diffstat (limited to 'spec/ruby/core/random/bytes_spec.rb')
| -rw-r--r-- | spec/ruby/core/random/bytes_spec.rb | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/spec/ruby/core/random/bytes_spec.rb b/spec/ruby/core/random/bytes_spec.rb index 2434a4e72e..c9be07cd3f 100644 --- a/spec/ruby/core/random/bytes_spec.rb +++ b/spec/ruby/core/random/bytes_spec.rb @@ -1,39 +1,29 @@ -# -*- encoding: binary -*- -require File.expand_path('../../../spec_helper', __FILE__) +# encoding: binary +require_relative '../../spec_helper' +require_relative 'shared/bytes' describe "Random#bytes" do - it "returns a String" do - Random.new.bytes(1).should be_an_instance_of(String) - end - - it "returns a String of the length given as argument" do - Random.new.bytes(15).length.should == 15 - end - - it "returns an ASCII-8BIT String" do - Random.new.bytes(15).encoding.should == Encoding::ASCII_8BIT - end + it_behaves_like :random_bytes, :bytes, Random.new it "returns the same output for a given seed" do Random.new(33).bytes(2).should == Random.new(33).bytes(2) end - # Should double check this is official spec - it "returns the same numeric output for a given seed accross all implementations and platforms" do + it "returns the same numeric output for a given seed across all implementations and platforms" do rnd = Random.new(33) rnd.bytes(2).should == "\x14\\" rnd.bytes(1000) # skip some rnd.bytes(2).should == "\xA1p" end - it "returns the same numeric output for a given huge seed accross all implementations and platforms" do - rnd = Random.new(bignum_value ** 4) + it "returns the same numeric output for a given huge seed across all implementations and platforms" do + rnd = Random.new(2 ** (63 * 4)) rnd.bytes(2).should == "_\x91" rnd.bytes(1000) # skip some rnd.bytes(2).should == "\x17\x12" end +end - it "returns a random binary String" do - Random.new.bytes(12).should_not == Random.new.bytes(12) - end +describe "Random.bytes" do + it_behaves_like :random_bytes, :bytes, Random end |
