1 files changed, 23 insertions, 0 deletions
diff --git a/spec/ruby/core/random/shared/urandom.rb b/spec/ruby/core/random/shared/urandom.rb
new file mode 100644
index 0000000000..f50d30c9de
--- /dev/null
+++ b/spec/ruby/core/random/shared/urandom.rb
@@ -0,0 +1,23 @@
+describe :random_urandom, shared: true do
+  it "returns a String" do
+    Random.send(@method, 1).should be_an_instance_of(String)
+  end
+
+  it "returns a String of the length given as argument" do
+    Random.send(@method, 15).length.should == 15
+  end
+
+  it "raises an ArgumentError on a negative size" do
+    lambda {
+      Random.send(@method, -1)
+    }.should raise_error(ArgumentError)
+  end
+
+  it "returns an ASCII-8BIT String" do
+    Random.send(@method, 15).encoding.should == Encoding::ASCII_8BIT
+  end
+
+  it "returns a random binary String" do
+    Random.send(@method, 12).should_not == Random.send(@method, 12)
+  end
+end