1 files changed, 32 insertions, 0 deletions
diff --git a/spec/ruby/library/digest/sha256/digest_spec.rb b/spec/ruby/library/digest/sha256/digest_spec.rb
new file mode 100644
index 0000000000..de30916d57
--- /dev/null
+++ b/spec/ruby/library/digest/sha256/digest_spec.rb
@@ -0,0 +1,32 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../shared/constants', __FILE__)
+
+describe "Digest::SHA256#digest" do
+
+  it "returns a digest" do
+    cur_digest = Digest::SHA256.new
+    cur_digest.digest().should == SHA256Constants::BlankDigest
+
+    # add something to check that the state is reset later
+    cur_digest << "test"
+
+    cur_digest.digest(SHA256Constants::Contents).should == SHA256Constants::Digest
+    # second invocation is intentional, to make sure there are no side-effects
+    cur_digest.digest(SHA256Constants::Contents).should == SHA256Constants::Digest
+
+    # after all is done, verify that the digest is in the original, blank state
+    cur_digest.digest.should == SHA256Constants::BlankDigest
+  end
+
+end
+
+describe "Digest::SHA256.digest" do
+
+  it "returns a digest" do
+    Digest::SHA256.digest(SHA256Constants::Contents).should == SHA256Constants::Digest
+    # second invocation is intentional, to make sure there are no side-effects
+    Digest::SHA256.digest(SHA256Constants::Contents).should == SHA256Constants::Digest
+    Digest::SHA256.digest("").should == SHA256Constants::BlankDigest
+  end
+
+end