1 files changed, 40 insertions, 0 deletions
diff --git a/spec/ruby/library/readline/history/element_reference_spec.rb b/spec/ruby/library/readline/history/element_reference_spec.rb
new file mode 100644
index 0000000000..c656179ddd
--- /dev/null
+++ b/spec/ruby/library/readline/history/element_reference_spec.rb
@@ -0,0 +1,40 @@
+require File.expand_path('../../spec_helper', __FILE__)
+
+with_feature :readline do
+  describe "Readline::HISTORY.[]" do
+    before :each do
+      Readline::HISTORY.push("1", "2", "3")
+    end
+
+    after :each do
+      Readline::HISTORY.pop
+      Readline::HISTORY.pop
+      Readline::HISTORY.pop
+    end
+
+    it "returns tainted objects" do
+      Readline::HISTORY[0].tainted?.should be_true
+      Readline::HISTORY[1].tainted?.should be_true
+    end
+
+    it "returns the history item at the passed index" do
+      Readline::HISTORY[0].should == "1"
+      Readline::HISTORY[1].should == "2"
+      Readline::HISTORY[2].should == "3"
+
+      Readline::HISTORY[-1].should == "3"
+      Readline::HISTORY[-2].should == "2"
+      Readline::HISTORY[-3].should == "1"
+    end
+
+    it "raises an IndexError when there is no item at the passed index" do
+      lambda { Readline::HISTORY[-10] }.should raise_error(IndexError)
+      lambda { Readline::HISTORY[-9] }.should raise_error(IndexError)
+      lambda { Readline::HISTORY[-8] }.should raise_error(IndexError)
+
+      lambda { Readline::HISTORY[8] }.should raise_error(IndexError)
+      lambda { Readline::HISTORY[9] }.should raise_error(IndexError)
+      lambda { Readline::HISTORY[10] }.should raise_error(IndexError)
+    end
+  end
+end