Add string argument test cases

* test/ruby/test_module.rb (test_method_defined): Add test cases
  for `public/protected/private _method_defined?`
  These methods accept string as argument, so add string argument
  cases.  [Fix GH-1067]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52290 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 15 insertions, 0 deletions

diff --git a/test/ruby/test_module.rb b/test/ruby/test_module.rb
index 9b5cbfee88..ed052ff711 100644
--- a/test/ruby/test_module.rb
+++ b/test/ruby/test_module.rb
@@ -964,13 +964,28 @@ class TestModule < Test::Unit::TestCase
     assert_equal(false, c.public_method_defined?(:bar))
     assert_equal(false, c.public_method_defined?(:baz))
 
+    # Test if string arguments are converted to symbols
+    assert_equal(true, c.public_method_defined?("foo"))
+    assert_equal(false, c.public_method_defined?("bar"))
+    assert_equal(false, c.public_method_defined?("baz"))
+
     assert_equal(false, c.protected_method_defined?(:foo))
     assert_equal(true, c.protected_method_defined?(:bar))
     assert_equal(false, c.protected_method_defined?(:baz))
 
+    # Test if string arguments are converted to symbols
+    assert_equal(false, c.protected_method_defined?("foo"))
+    assert_equal(true, c.protected_method_defined?("bar"))
+    assert_equal(false, c.protected_method_defined?("baz"))
+
     assert_equal(false, c.private_method_defined?(:foo))
     assert_equal(false, c.private_method_defined?(:bar))
     assert_equal(true, c.private_method_defined?(:baz))
+
+    # Test if string arguments are converted to symbols
+    assert_equal(false, c.private_method_defined?("foo"))
+    assert_equal(false, c.private_method_defined?("bar"))
+    assert_equal(true, c.private_method_defined?("baz"))
   end
 
   def test_top_public_private