1 files changed, 8 insertions, 18 deletions
diff --git a/spec/ruby/core/random/bytes_spec.rb b/spec/ruby/core/random/bytes_spec.rb
index d954261329..c9be07cd3f 100644
--- a/spec/ruby/core/random/bytes_spec.rb
+++ b/spec/ruby/core/random/bytes_spec.rb
@@ -1,24 +1,14 @@
-# -*- 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 across all implementations and platforms" do
     rnd = Random.new(33)
     rnd.bytes(2).should == "\x14\\"
@@ -27,13 +17,13 @@ describe "Random#bytes" do
   end
 
   it "returns the same numeric output for a given huge seed across all implementations and platforms" do
-    rnd = Random.new(bignum_value ** 4)
+    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