Add in-tree mspec and ruby/spec

* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 32 insertions, 0 deletions

diff --git a/spec/rubyspec/library/digest/md5/digest_spec.rb b/spec/rubyspec/library/digest/md5/digest_spec.rb
new file mode 100644
index 0000000000..1568c630aa
--- /dev/null
+++ b/spec/rubyspec/library/digest/md5/digest_spec.rb
@@ -0,0 +1,32 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../shared/constants', __FILE__)
+
+describe "Digest::MD5#digest" do
+
+  it "returns a digest" do
+    cur_digest = Digest::MD5.new
+    cur_digest.digest().should == MD5Constants::BlankDigest
+
+    # add something to check that the state is reset later
+    cur_digest << "test"
+
+    cur_digest.digest(MD5Constants::Contents).should == MD5Constants::Digest
+    # second invocation is intentional, to make sure there are no side-effects
+    cur_digest.digest(MD5Constants::Contents).should == MD5Constants::Digest
+
+    # after all is done, verify that the digest is in the original, blank state
+    cur_digest.digest.should == MD5Constants::BlankDigest
+  end
+
+end
+
+describe "Digest::MD5.digest" do
+
+  it "returns a digest" do
+    Digest::MD5.digest(MD5Constants::Contents).should == MD5Constants::Digest
+    # second invocation is intentional, to make sure there are no side-effects
+    Digest::MD5.digest(MD5Constants::Contents).should == MD5Constants::Digest
+    Digest::MD5.digest("").should == MD5Constants::BlankDigest
+  end
+
+end