diff options
Diffstat (limited to 'spec/ruby/core/class/dup_spec.rb')
| -rw-r--r-- | spec/ruby/core/class/dup_spec.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/spec/ruby/core/class/dup_spec.rb b/spec/ruby/core/class/dup_spec.rb index 701fd72e19..c09ed71b31 100644 --- a/spec/ruby/core/class/dup_spec.rb +++ b/spec/ruby/core/class/dup_spec.rb @@ -61,4 +61,7 @@ describe "Class#dup" do CoreClassSpecs::RecordCopy.name.should == "CoreClassSpecs::RecordCopy" end + it "raises TypeError if called on BasicObject" do + -> { BasicObject.dup }.should raise_error(TypeError, "can't copy the root class") + end end |