From 9aba971e42c78bb9e446f28c0402bad55147a863 Mon Sep 17 00:00:00 2001 From: Jeremy Evans Date: Sun, 7 Jul 2019 17:58:25 -0700 Subject: Make Object#singleton_methods work correctly for singleton classes of objects Fixes [Bug #10901] --- test/ruby/test_object.rb | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'test') diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb index 277995b323..fcb6c2826f 100644 --- a/test/ruby/test_object.rb +++ b/test/ruby/test_object.rb @@ -865,6 +865,29 @@ class TestObject < Test::Unit::TestCase assert_match(/@\u{3046}=6\b/, x.inspect) end + def test_singleton_methods + assert_equal([], Object.new.singleton_methods) + assert_equal([], Object.new.singleton_methods(false)) + c = Class.new + def c.foo; end + assert_equal([:foo], c.singleton_methods - [:yaml_tag]) + assert_equal([:foo], c.singleton_methods(false)) + assert_equal([], c.singleton_class.singleton_methods(false)) + c.singleton_class.singleton_class + assert_equal([], c.singleton_class.singleton_methods(false)) + + o = c.new.singleton_class + assert_equal([:foo], o.singleton_methods - [:yaml_tag]) + assert_equal([], o.singleton_methods(false)) + o.singleton_class + assert_equal([:foo], o.singleton_methods - [:yaml_tag]) + assert_equal([], o.singleton_methods(false)) + + c.extend(Module.new{def bar; end}) + assert_equal([:bar, :foo], c.singleton_methods.sort - [:yaml_tag]) + assert_equal([:foo], c.singleton_methods(false)) + end + def test_singleton_class x = Object.new xs = class << x; self; end -- cgit v1.2.3