1 files changed, 44 insertions, 0 deletions
diff --git a/spec/ruby/core/module/public_spec.rb b/spec/ruby/core/module/public_spec.rb
new file mode 100644
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+++ b/spec/ruby/core/module/public_spec.rb
@@ -0,0 +1,44 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/set_visibility', __FILE__)
+
+describe "Module#public" do
+  it_behaves_like :set_visibility, :public
+
+  it "on a superclass method calls the redefined method" do
+    ModuleSpecs::ChildPrivateMethodMadePublic.new.private_method_redefined.should == :after_redefinition
+  end
+
+  it "makes a private Object instance method public in a new module" do
+    m = Module.new do
+      public :module_specs_private_method_on_object
+    end
+
+    m.should have_public_instance_method(:module_specs_private_method_on_object)
+
+    # Ensure we did not change Object's method
+    Object.should_not have_public_instance_method(:module_specs_private_method_on_object)
+  end
+
+  it "makes a private Object instance method public in Kernel" do
+    Kernel.should have_public_instance_method(
+                  :module_specs_private_method_on_object_for_kernel_public)
+    Object.should_not have_public_instance_method(
+                  :module_specs_private_method_on_object_for_kernel_public)
+  end
+
+  it "returns self" do
+    (class << Object.new; self; end).class_eval do
+      def foo; end
+      private :foo
+      public(:foo).should equal(self)
+      public.should equal(self)
+    end
+  end
+
+  it "raises a NameError when given an undefined name" do
+    lambda do
+      Module.new.send(:public, :undefined)
+    end.should raise_error(NameError)
+  end
+end