1 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/core/numeric/clone_spec.rb b/spec/ruby/core/numeric/clone_spec.rb
new file mode 100644
index 0000000000..423cec85dd
--- /dev/null
+++ b/spec/ruby/core/numeric/clone_spec.rb
@@ -0,0 +1,30 @@
+require_relative '../../spec_helper'
+
+describe "Numeric#clone" do
+  it "returns self" do
+    value = 1
+    value.clone.should equal(value)
+
+    subclass = Class.new(Numeric)
+    value = subclass.new
+    value.clone.should equal(value)
+  end
+
+  it "does not change frozen status" do
+    1.clone.frozen?.should == true
+  end
+
+  it "accepts optional keyword argument :freeze" do
+    value = 1
+    value.clone(freeze: true).should equal(value)
+  end
+
+  it "raises ArgumentError if passed freeze: false" do
+    -> { 1.clone(freeze: false) }.should raise_error(ArgumentError, /can't unfreeze/)
+  end
+
+  it "does not change frozen status if passed freeze: nil" do
+    value = 1
+    value.clone(freeze: nil).should equal(value)
+  end
+end