1 files changed, 31 insertions, 0 deletions
diff --git a/spec/ruby/core/unboundmethod/owner_spec.rb b/spec/ruby/core/unboundmethod/owner_spec.rb
new file mode 100644
index 0000000000..b099c56de1
--- /dev/null
+++ b/spec/ruby/core/unboundmethod/owner_spec.rb
@@ -0,0 +1,31 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative '../method/fixtures/classes'
+
+describe "UnboundMethod#owner" do
+  it "returns the owner of the method" do
+    String.instance_method(:upcase).owner.should == String
+  end
+
+  it "returns the same owner when aliased in the same classes" do
+    UnboundMethodSpecs::Methods.instance_method(:foo).owner.should == UnboundMethodSpecs::Methods
+    UnboundMethodSpecs::Methods.instance_method(:bar).owner.should == UnboundMethodSpecs::Methods
+  end
+
+  it "returns the class/module it was defined in" do
+    UnboundMethodSpecs::C.instance_method(:baz).owner.should == UnboundMethodSpecs::A
+    UnboundMethodSpecs::Methods.instance_method(:from_mod).owner.should == UnboundMethodSpecs::Mod
+  end
+
+  it "returns the new owner for aliased methods on singleton classes" do
+    parent_singleton_class = UnboundMethodSpecs::Parent.singleton_class
+    child_singleton_class  = UnboundMethodSpecs::Child3.singleton_class
+
+    child_singleton_class.instance_method(:class_method).owner.should == parent_singleton_class
+    child_singleton_class.instance_method(:another_class_method).owner.should == child_singleton_class
+  end
+
+  it "returns the class on which public was called for a private method in ancestor" do
+    MethodSpecs::InheritedMethods::C.instance_method(:derp).owner.should == MethodSpecs::InheritedMethods::C
+  end
+end