1 files changed, 69 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/protected_methods_spec.rb b/spec/ruby/core/kernel/protected_methods_spec.rb
new file mode 100644
index 0000000000..2e09cead53
--- /dev/null
+++ b/spec/ruby/core/kernel/protected_methods_spec.rb
@@ -0,0 +1,69 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../../../fixtures/reflection', __FILE__)
+
+# TODO: rewrite
+
+# The reason why having include() is to show the specification explicitly.
+# You should use have_protected_method() with the exception of this spec.
+describe "Kernel#protected_methods" do
+  it "returns a list of the names of protected methods accessible in the object" do
+    KernelSpecs::Methods.protected_methods(false).sort.should include(:juu_ichi)
+    KernelSpecs::Methods.new.protected_methods(false).should include(:ku)
+  end
+
+  it "returns a list of the names of protected methods accessible in the object and from its ancestors and mixed-in modules" do
+    l1 = KernelSpecs::Methods.protected_methods(false)
+    l2 = KernelSpecs::Methods.protected_methods
+    (l1 & l2).should include(:juu_ichi)
+    KernelSpecs::Methods.new.protected_methods.should include(:ku)
+  end
+
+  it "returns methods mixed in to the metaclass" do
+    m = KernelSpecs::Methods.new
+    m.extend(KernelSpecs::Methods::MetaclassMethods)
+    m.protected_methods.should include(:nopeeking)
+  end
+end
+
+describe :kernel_protected_methods_supers, shared: true do
+  it "returns a unique list for an object extended by a module" do
+    m = ReflectSpecs.oed.protected_methods(*@object)
+    m.select { |x| x == :pro }.sort.should == [:pro]
+  end
+
+  it "returns a unique list for a class including a module" do
+    m = ReflectSpecs::D.new.protected_methods(*@object)
+    m.select { |x| x == :pro }.sort.should == [:pro]
+  end
+
+  it "returns a unique list for a subclass of a class that includes a module" do
+    m = ReflectSpecs::E.new.protected_methods(*@object)
+    m.select { |x| x == :pro }.sort.should == [:pro]
+  end
+end
+
+describe :kernel_protected_methods_with_falsy, shared: true do
+  it "returns a list of protected methods in without its ancestors" do
+    ReflectSpecs::F.protected_methods(@object).select{|m|/_pro\z/ =~ m}.sort.should == [:ds_pro, :fs_pro]
+    ReflectSpecs::F.new.protected_methods(@object).should == [:f_pro]
+  end
+end
+
+describe "Kernel#protected_methods" do
+  describe "when not passed an argument" do
+    it_behaves_like :kernel_protected_methods_supers, nil, []
+  end
+
+  describe "when passed true" do
+    it_behaves_like :kernel_protected_methods_supers, nil, true
+  end
+
+  describe "when passed false" do
+    it_behaves_like :kernel_protected_methods_with_falsy, nil, false
+  end
+
+  describe "when passed nil" do
+    it_behaves_like :kernel_protected_methods_with_falsy, nil, nil
+  end
+end