1 files changed, 29 insertions, 0 deletions
diff --git a/spec/ruby/core/regexp/names_spec.rb b/spec/ruby/core/regexp/names_spec.rb
new file mode 100644
index 0000000000..bbd994d993
--- /dev/null
+++ b/spec/ruby/core/regexp/names_spec.rb
@@ -0,0 +1,29 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Regexp#names" do
+  it "returns an Array" do
+    /foo/.names.should be_an_instance_of(Array)
+  end
+
+  it "returns an empty Array if there are no named captures" do
+    /needle/.names.should == []
+  end
+
+  it "returns each named capture as a String" do
+    /n(?<cap>ee)d(?<ture>le)/.names.each do |name|
+      name.should be_an_instance_of(String)
+    end
+  end
+
+  it "returns all of the named captures" do
+    /n(?<cap>ee)d(?<ture>le)/.names.should == ['cap', 'ture']
+  end
+
+  it "works with nested named captures" do
+    /n(?<cap>eed(?<ture>le))/.names.should == ['cap', 'ture']
+  end
+
+  it "returns each capture name only once" do
+    /n(?<cap>ee)d(?<cap>le)/.names.should == ['cap']
+  end
+end