Update to ruby/spec@875a09e

spec/ruby/core/unboundmethod/bind_spec.rb

@@ -10,7 +10,7 @@ describe "UnboundMethod#bind" do
   end
 
   it "raises TypeError if object is not kind_of? the Module the method defined in" do
-    lambda { @normal_um.bind(UnboundMethodSpecs::B.new) }.should raise_error(TypeError)
+    -> { @normal_um.bind(UnboundMethodSpecs::B.new) }.should raise_error(TypeError)
   end
 
   it "returns Method for any object that is kind_of? the Module method was extracted from" do
@@ -21,11 +21,21 @@ describe "UnboundMethod#bind" do
     UnboundMethodSpecs::Mod.instance_method(:from_mod).bind(Object.new).should be_kind_of(Method)
   end
 
-  it "returns Method returned for obj is equal to one directly returned by obj.method" do
+  it "the returned Method is equal to the one directly returned by obj.method" do
     obj = UnboundMethodSpecs::Methods.new
     @normal_um.bind(obj).should == obj.method(:foo)
   end
 
+  it "returns Method for any object kind_of? the Module the method is defined in" do
+    @parent_um.bind(UnboundMethodSpecs::Child1.new).should be_kind_of(Method)
+    @child1_um.bind(UnboundMethodSpecs::Parent.new).should be_kind_of(Method)
+    @child2_um.bind(UnboundMethodSpecs::Child1.new).should be_kind_of(Method)
+  end
+
+  it "allows binding a Kernel method retrieved from Object on BasicObject" do
+    Object.instance_method(:instance_of?).bind(BasicObject.new).call(BasicObject).should == true
+  end
+
   it "returns a callable method" do
     obj = UnboundMethodSpecs::Methods.new
     @normal_um.bind(obj).call.should == obj.foo
@@ -46,6 +56,6 @@ describe "UnboundMethod#bind" do
       end
     end
     um = p.method(:singleton_method).unbind
-    lambda{ um.bind(other) }.should raise_error(TypeError)
+    ->{ um.bind(other) }.should raise_error(TypeError)
   end
 end