diff options
Diffstat (limited to 'spec/ruby/core/string/uplus_spec.rb')
| -rw-r--r-- | spec/ruby/core/string/uplus_spec.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/spec/ruby/core/string/uplus_spec.rb b/spec/ruby/core/string/uplus_spec.rb index 038b283c90..c0b0c49ede 100644 --- a/spec/ruby/core/string/uplus_spec.rb +++ b/spec/ruby/core/string/uplus_spec.rb @@ -1,3 +1,4 @@ +# frozen_string_literal: false require_relative '../../spec_helper' describe 'String#+@' do @@ -7,6 +8,9 @@ describe 'String#+@' do output.should_not.frozen? output.should == 'foo' + + output << 'bar' + output.should == 'foobar' end it 'returns self if the String is not frozen' do |