1 files changed, 22 insertions, 0 deletions
diff --git a/spec/ruby/core/unboundmethod/hash_spec.rb b/spec/ruby/core/unboundmethod/hash_spec.rb
new file mode 100644
index 0000000000..6888675bc1
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+++ b/spec/ruby/core/unboundmethod/hash_spec.rb
@@ -0,0 +1,22 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "UnboundMethod#hash" do
+  it "returns the same value for user methods that are eql?" do
+    foo, bar = UnboundMethodSpecs::Methods.instance_method(:foo), UnboundMethodSpecs::Methods.instance_method(:bar)
+    foo.hash.should == bar.hash
+  end
+
+  # See also redmine #6048
+  it "returns the same value for builtin methods that are eql?" do
+    to_s, inspect = Array.instance_method(:to_s), Array.instance_method(:inspect)
+    to_s.hash.should == inspect.hash
+  end
+
+  it "equals a hash of the same method in the superclass" do
+    foo_in_superclass = UnboundMethodSpecs::HashSpecs::SuperClass.instance_method(:foo)
+    foo = UnboundMethodSpecs::HashSpecs::SubClass.instance_method(:foo)
+
+    foo.hash.should == foo_in_superclass.hash
+  end
+end