1 files changed, 18 insertions, 0 deletions
diff --git a/spec/ruby/core/symbol/shared/succ.rb b/spec/ruby/core/symbol/shared/succ.rb
new file mode 100644
index 0000000000..0e371490f9
--- /dev/null
+++ b/spec/ruby/core/symbol/shared/succ.rb
@@ -0,0 +1,18 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+
+describe :symbol_succ, shared: true do
+  it "returns a successor" do
+    :abcd.send(@method).should == :abce
+    :THX1138.send(@method).should == :THX1139
+  end
+
+  it "propagates a 'carry'" do
+    :"1999zzz".send(@method).should == :"2000aaa"
+    :ZZZ9999.send(@method).should == :AAAA0000
+  end
+
+  it "increments non-alphanumeric characters when no alphanumeric characters are present" do
+    :"<<koala>>".send(@method).should == :"<<koalb>>"
+    :"***".send(@method).should == :"**+"
+  end
+end