Remove Class#descendants

1 files changed, 0 insertions, 32 deletions

diff --git a/test/ruby/test_class.rb b/test/ruby/test_class.rb
index 28285705bf..07c34ce9d5 100644
--- a/test/ruby/test_class.rb
+++ b/test/ruby/test_class.rb
@@ -738,38 +738,6 @@ class TestClass < Test::Unit::TestCase
     assert_same(c, Module.new.const_set(:Foo, c))
   end
 
-  def test_descendants
-    c = Class.new
-    sc = Class.new(c)
-    ssc = Class.new(sc)
-    [c, sc, ssc].each do |k|
-      k.include Module.new
-      k.new.define_singleton_method(:force_singleton_class){}
-    end
-    assert_equal([sc, ssc], c.descendants)
-    assert_equal([ssc], sc.descendants)
-    assert_equal([], ssc.descendants)
-
-    object_descendants = Object.descendants
-    assert_include(object_descendants, c)
-    assert_include(object_descendants, sc)
-    assert_include(object_descendants, ssc)
-  end
-
-  def test_descendants_gc
-    c = Class.new
-    100000.times { Class.new(c) }
-    assert(c.descendants.size <= 100000)
-  end
-
-  def test_descendants_gc_stress
-    10000.times do
-      c = Class.new
-      100.times { Class.new(c) }
-      assert(c.descendants.size <= 100)
-    end
-  end
-
   def test_subclasses
     c = Class.new
     sc = Class.new(c)