1 files changed, 9 insertions, 0 deletions
diff --git a/spec/ruby/core/random/shared/rand.rb b/spec/ruby/core/random/shared/rand.rb
new file mode 100644
index 0000000000..d3b24b8851
--- /dev/null
+++ b/spec/ruby/core/random/shared/rand.rb
@@ -0,0 +1,9 @@
+describe :random_number, shared: true do
+  it "returns a Float if no max argument is passed" do
+    @object.send(@method).should be_kind_of(Float)
+  end
+
+  it "returns an Integer if an Integer argument is passed" do
+    @object.send(@method, 20).should be_kind_of(Integer)
+  end
+end