Update to ruby/spec@241f9e7

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/spec/ruby/core/marshal/dump_spec.rb b/spec/ruby/core/marshal/dump_spec.rb
index f214abc31d..644a88b4a3 100644
--- a/spec/ruby/core/marshal/dump_spec.rb
+++ b/spec/ruby/core/marshal/dump_spec.rb
@@ -566,6 +566,11 @@ describe "Marshal.dump" do
     lambda { Marshal.dump(/(.)/.match("foo")) }.should raise_error(TypeError)
   end
 
+  it "raises a TypeError if dumping a Mutex instance" do
+    m = Mutex.new
+    lambda { Marshal.dump(m) }.should raise_error(TypeError)
+  end
+
   it "returns an untainted string if object is untainted" do
     Marshal.dump(Object.new).tainted?.should be_false
   end