1 files changed, 26 insertions, 5 deletions
diff --git a/spec/ruby/core/main/private_spec.rb b/spec/ruby/core/main/private_spec.rb
index e34e0c7b7b..78c5d287d4 100644
--- a/spec/ruby/core/main/private_spec.rb
+++ b/spec/ruby/core/main/private_spec.rb
@@ -4,20 +4,41 @@ require_relative 'fixtures/classes'
 describe "main#private" do
   after :each do
     Object.send(:public, :main_public_method)
+    Object.send(:public, :main_public_method2)
   end
 
-  it "sets the visibility of the given method to private" do
-    eval "private :main_public_method", TOPLEVEL_BINDING
-    Object.should have_private_method(:main_public_method)
+  context "when single argument is passed and it is not an array" do
+    it "sets the visibility of the given methods to private" do
+      eval "private :main_public_method", TOPLEVEL_BINDING
+      Object.should have_private_method(:main_public_method)
+    end
+  end
+
+  context "when multiple arguments are passed" do
+    it "sets the visibility of the given methods to private" do
+      eval "private :main_public_method, :main_public_method2", TOPLEVEL_BINDING
+      Object.should have_private_method(:main_public_method)
+      Object.should have_private_method(:main_public_method2)
+    end
+  end
+
+  ruby_version_is "3.0" do
+    context "when single argument is passed and is an array" do
+      it "sets the visibility of the given methods to private" do
+        eval "private [:main_public_method, :main_public_method2]", TOPLEVEL_BINDING
+        Object.should have_private_method(:main_public_method)
+        Object.should have_private_method(:main_public_method2)
+      end
+    end
   end
 
   it "returns Object" do
     eval("private :main_public_method", TOPLEVEL_BINDING).should equal(Object)
   end
 
-  it "raises a NameError when given an undefined name" do
+  it "raises a NameError when at least one of given method names is undefined" do
     -> do
-      eval "private :main_undefined_method", TOPLEVEL_BINDING
+      eval "private :main_public_method, :main_undefined_method", TOPLEVEL_BINDING
     end.should raise_error(NameError)
   end
 end