1 files changed, 108 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/public_send_spec.rb b/spec/ruby/core/kernel/public_send_spec.rb
new file mode 100644
index 0000000000..2eabbc7dc9
--- /dev/null
+++ b/spec/ruby/core/kernel/public_send_spec.rb
@@ -0,0 +1,108 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../../../shared/basicobject/send', __FILE__)
+
+describe "Kernel#public_send" do
+  it "invokes the named public method" do
+    class KernelSpecs::Foo
+      def bar
+        'done'
+      end
+    end
+    KernelSpecs::Foo.new.public_send(:bar).should == 'done'
+  end
+
+  it "invokes the named alias of a public method" do
+    class KernelSpecs::Foo
+      def bar
+        'done'
+      end
+      alias :aka :bar
+    end
+    KernelSpecs::Foo.new.public_send(:aka).should == 'done'
+  end
+
+  it "raises a NoMethodError if the method is protected" do
+    class KernelSpecs::Foo
+      protected
+      def bar
+        'done'
+      end
+    end
+    lambda { KernelSpecs::Foo.new.public_send(:bar)}.should raise_error(NoMethodError)
+  end
+
+  it "raises a NoMethodError if the named method is private" do
+    class KernelSpecs::Foo
+      private
+      def bar
+        'done2'
+      end
+    end
+    lambda {
+      KernelSpecs::Foo.new.public_send(:bar)
+    }.should raise_error(NoMethodError)
+  end
+
+  context 'called from own public method' do
+    before do
+      class << @receiver = Object.new
+        def call_protected_method
+          public_send :protected_method
+        end
+
+        def call_private_method
+          public_send :private_method
+        end
+
+        protected
+
+        def protected_method
+          raise 'Should not called'
+        end
+
+        private
+
+        def private_method
+          raise 'Should not called'
+        end
+      end
+    end
+
+    it "raises a NoMethodError if the method is protected" do
+      lambda { @receiver.call_protected_method }.should raise_error(NoMethodError)
+    end
+
+    it "raises a NoMethodError if the method is private" do
+      lambda { @receiver.call_private_method }.should raise_error(NoMethodError)
+    end
+  end
+
+  it "raises a NoMethodError if the named method is an alias of a private method" do
+    class KernelSpecs::Foo
+      private
+      def bar
+        'done2'
+      end
+      alias :aka :bar
+    end
+    lambda {
+      KernelSpecs::Foo.new.public_send(:aka)
+    }.should raise_error(NoMethodError)
+  end
+
+  it "raises a NoMethodError if the named method is an alias of a protected method" do
+    class KernelSpecs::Foo
+      protected
+      def bar
+        'done2'
+      end
+      alias :aka :bar
+    end
+    lambda {
+      KernelSpecs::Foo.new.public_send(:aka)
+    }.should raise_error(NoMethodError)
+  end
+
+  it_behaves_like(:basicobject_send, :public_send)
+end