Made parentheses mandatory in endless method defition

Even for empty argument list, not to be confusing with a writer
method name.

1 files changed, 4 insertions, 2 deletions

diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index c471006199..df6c2e383f 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -1415,9 +1415,11 @@ eom
   end
 
   def test_methoddef_endless
-    assert_valid_syntax('private def foo = 42')
+    assert_syntax_error('private def foo = 42', /unexpected '='/)
+    assert_valid_syntax('private def foo() = 42')
     assert_valid_syntax('private def inc(x) = x + 1')
-    assert_valid_syntax('private def obj.foo = 42')
+    assert_syntax_error('private def obj.foo = 42', /unexpected '='/)
+    assert_valid_syntax('private def obj.foo() = 42')
     assert_valid_syntax('private def obj.inc(x) = x + 1')
     eval('def self.inc(x) = x + 1 => @x')
     assert_equal(:inc, @x)