1 files changed, 13 insertions, 0 deletions
diff --git a/spec/ruby/library/stringscanner/shared/extract_range_matched.rb b/spec/ruby/library/stringscanner/shared/extract_range_matched.rb
new file mode 100644
index 0000000000..8a6349bec1
--- /dev/null
+++ b/spec/ruby/library/stringscanner/shared/extract_range_matched.rb
@@ -0,0 +1,13 @@
+describe :extract_range_matched, shared: true do
+  it "returns an instance of String when passed a String subclass" do
+    cls = Class.new(String)
+    sub = cls.new("abc")
+
+    s = StringScanner.new(sub)
+    s.scan(/\w{1}/)
+
+    ch = s.send(@method)
+    ch.should_not.is_a?(cls)
+    ch.should.instance_of?(String)
+  end
+end