[ripper] added endless method definition event tests

test/ripper/test_parser_events.rb

@@ -652,6 +652,11 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     }
     assert_equal true, thru_def
     assert_equal '[def(foo,[],bodystmt([void()]))]', parse('def foo ;end')
+
+    thru_def = false
+    tree = parse('def foo() = 42', :on_def) {thru_def = true}
+    assert_equal true, thru_def
+    assert_equal '[def(foo,[],42)]', tree
   end
 
   def test_defined
@@ -669,6 +674,11 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     thru_parse_error = false
     tree = parse('def foo&.bar; end', :on_parse_error) {thru_parse_error = true}
     assert_equal(true, thru_parse_error)
+
+    thru_defs = false
+    tree = parse('def foo.bar() = 42', :on_defs) {thru_defs = true}
+    assert_equal true, thru_defs
+    assert_equal '[defs(vcall(foo),.,bar,[],42)]', tree
   end
 
   def test_do_block