1 files changed, 72 insertions, 0 deletions
diff --git a/spec/rubyspec/core/module/protected_method_defined_spec.rb b/spec/rubyspec/core/module/protected_method_defined_spec.rb
new file mode 100644
index 0000000000..af08efae81
--- /dev/null
+++ b/spec/rubyspec/core/module/protected_method_defined_spec.rb
@@ -0,0 +1,72 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Module#protected_method_defined?" do
+  it "returns true if the named protected method is defined by module or its ancestors" do
+    ModuleSpecs::CountsMixin.protected_method_defined?("protected_3").should == true
+
+    ModuleSpecs::CountsParent.protected_method_defined?("protected_3").should == true
+    ModuleSpecs::CountsParent.protected_method_defined?("protected_2").should == true
+
+    ModuleSpecs::CountsChild.protected_method_defined?("protected_3").should == true
+    ModuleSpecs::CountsChild.protected_method_defined?("protected_2").should == true
+    ModuleSpecs::CountsChild.protected_method_defined?("protected_1").should == true
+  end
+
+  it "returns false if method is not a protected method" do
+    ModuleSpecs::CountsChild.protected_method_defined?("public_3").should == false
+    ModuleSpecs::CountsChild.protected_method_defined?("public_2").should == false
+    ModuleSpecs::CountsChild.protected_method_defined?("public_1").should == false
+
+    ModuleSpecs::CountsChild.protected_method_defined?("private_3").should == false
+    ModuleSpecs::CountsChild.protected_method_defined?("private_2").should == false
+    ModuleSpecs::CountsChild.protected_method_defined?("private_1").should == false
+  end
+
+  it "returns false if the named method is not defined by the module or its ancestors" do
+    ModuleSpecs::CountsMixin.protected_method_defined?(:protected_10).should == false
+  end
+
+  it "accepts symbols for the method name" do
+    ModuleSpecs::CountsMixin.protected_method_defined?(:protected_3).should == true
+  end
+
+  it "raises a TypeError if passed a Fixnum" do
+    lambda do
+      ModuleSpecs::CountsMixin.protected_method_defined?(1)
+    end.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError if passed nil" do
+    lambda do
+      ModuleSpecs::CountsMixin.protected_method_defined?(nil)
+    end.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError if passed false" do
+    lambda do
+      ModuleSpecs::CountsMixin.protected_method_defined?(false)
+    end.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError if passed an object that does not defined #to_str" do
+    lambda do
+      ModuleSpecs::CountsMixin.protected_method_defined?(mock('x'))
+    end.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError if passed an object that defines #to_sym" do
+    sym = mock('symbol')
+    def sym.to_sym() :protected_3 end
+
+    lambda do
+      ModuleSpecs::CountsMixin.protected_method_defined?(sym)
+    end.should raise_error(TypeError)
+  end
+
+  it "calls #to_str to convert an Object" do
+    str = mock('protected_3')
+    str.should_receive(:to_str).and_return("protected_3")
+    ModuleSpecs::CountsMixin.protected_method_defined?(str).should == true
+  end
+end