1 files changed, 24 insertions, 0 deletions
diff --git a/spec/rubyspec/library/digest/md5/to_s_spec.rb b/spec/rubyspec/library/digest/md5/to_s_spec.rb
new file mode 100644
index 0000000000..59c17ec821
--- /dev/null
+++ b/spec/rubyspec/library/digest/md5/to_s_spec.rb
@@ -0,0 +1,24 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+
+require 'digest/md5'
+
+require File.expand_path('../shared/constants', __FILE__)
+
+describe "Digest::MD5#to_s" do
+
+  it "returns a hexdigest" do
+    cur_digest = Digest::MD5.new
+    cur_digest.to_s.should == MD5Constants::BlankHexdigest
+  end
+
+  it "does not change the internal state" do
+    cur_digest = Digest::MD5.new
+    cur_digest.to_s.should == MD5Constants::BlankHexdigest
+    cur_digest.to_s.should == MD5Constants::BlankHexdigest
+
+    cur_digest << MD5Constants::Contents
+    cur_digest.to_s.should == MD5Constants::Hexdigest
+    cur_digest.to_s.should == MD5Constants::Hexdigest
+  end
+
+end