diff options
Diffstat (limited to 'spec/ruby/core/string/freeze_spec.rb')
-rw-r--r-- | spec/ruby/core/string/freeze_spec.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/spec/ruby/core/string/freeze_spec.rb b/spec/ruby/core/string/freeze_spec.rb new file mode 100644 index 0000000000..bd7c2fbc73 --- /dev/null +++ b/spec/ruby/core/string/freeze_spec.rb @@ -0,0 +1,18 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "String#freeze" do + + it "produces the same object whenever called on an instance of a literal in the source" do + ids = Array.new(2) { "abc".freeze.object_id } + ids.first.should == ids.last + end + + it "doesn't produce the same object for different instances of literals in the source" do + "abc".object_id.should_not == "abc".object_id + end + + it "being a special form doesn't change the value of defined?" do + defined?("abc".freeze).should == "method" + end + +end |