1 files changed, 20 insertions, 0 deletions
diff --git a/spec/ruby/core/regexp/hash_spec.rb b/spec/ruby/core/regexp/hash_spec.rb
new file mode 100644
index 0000000000..77b79b1ce5
--- /dev/null
+++ b/spec/ruby/core/regexp/hash_spec.rb
@@ -0,0 +1,20 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Regexp#hash" do
+  it "is provided" do
+    Regexp.new('').respond_to?(:hash).should == true
+  end
+
+  it "is based on the text and options of Regexp" do
+    (/cat/.hash   == /dog/.hash).should == false
+    (/dog/m.hash  == /dog/m.hash).should == true
+    not_supported_on :opal do
+      (/cat/ix.hash == /cat/ixn.hash).should == true
+      (/cat/.hash   == /cat/ix.hash).should == false
+    end
+  end
+
+  it "returns the same value for two Regexps differing only in the /n option" do
+    (//.hash == //n.hash).should == true
+  end
+end