1 files changed, 28 insertions, 0 deletions
diff --git a/spec/ruby/library/readline/history/append_spec.rb b/spec/ruby/library/readline/history/append_spec.rb
new file mode 100644
index 0000000000..be0e515b84
--- /dev/null
+++ b/spec/ruby/library/readline/history/append_spec.rb
@@ -0,0 +1,28 @@
+require_relative '../spec_helper'
+
+with_feature :readline do
+  describe "Readline::HISTORY.<<" do
+    it "appends the given Object to the history" do
+      Readline::HISTORY << "1"
+      Readline::HISTORY.size.should == 1
+
+      Readline::HISTORY << "2"
+      Readline::HISTORY.size.should == 2
+
+      Readline::HISTORY.pop.should == "2"
+      Readline::HISTORY.pop.should == "1"
+    end
+
+    it "tries to convert the passed Object to a String using #to_str" do
+      obj = mock("Converted to String")
+      obj.should_receive(:to_str).and_return("converted")
+
+      Readline::HISTORY << obj
+      Readline::HISTORY.pop.should == "converted"
+    end
+
+    it "raises a TypeError when the passed Object can't be converted to a String" do
+      -> { Readline::HISTORY << mock("Object") }.should.raise(TypeError)
+    end
+  end
+end