describe :regexp_eql, shared: true do
  it "is true if self and other have the same pattern" do
    /abc/.send(@method, /abc/).should == true
    /abc/.send(@method, /abd/).should == false
  end

  not_supported_on :opal do
    it "is true if self and other have the same character set code" do
      /abc/.send(@method, /abc/x).should == false
      /abc/x.send(@method, /abc/x).should == true
      /abc/u.send(@method, /abc/n).should == false
      /abc/u.send(@method, /abc/u).should == true
      /abc/n.send(@method, /abc/n).should == true
    end
  end

  it "is true if other has the same #casefold? values" do
    /abc/.send(@method, /abc/i).should == false
    /abc/i.send(@method, /abc/i).should == true
  end

  not_supported_on :opal do
    it "is true if self does not specify /n option and other does" do
      //.send(@method, //n).should == true
    end

    it "is true if self specifies /n option and other does not" do
      //n.send(@method, //).should == true
    end
  end
end