diff options
Diffstat (limited to 'spec/ruby/core/random/urandom_spec.rb')
-rw-r--r-- | spec/ruby/core/random/urandom_spec.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/spec/ruby/core/random/urandom_spec.rb b/spec/ruby/core/random/urandom_spec.rb new file mode 100644 index 0000000000..6f180e54ac --- /dev/null +++ b/spec/ruby/core/random/urandom_spec.rb @@ -0,0 +1,25 @@ +require_relative '../../spec_helper' + +describe "Random.urandom" do + it "returns a String" do + Random.urandom(1).should be_an_instance_of(String) + end + + it "returns a String of the length given as argument" do + Random.urandom(15).length.should == 15 + end + + it "raises an ArgumentError on a negative size" do + -> { + Random.urandom(-1) + }.should raise_error(ArgumentError) + end + + it "returns a binary String" do + Random.urandom(15).encoding.should == Encoding::BINARY + end + + it "returns a random binary String" do + Random.urandom(12).should_not == Random.urandom(12) + end +end |