1 files changed, 18 insertions, 0 deletions
diff --git a/test/ruby/test_struct.rb b/test/ruby/test_struct.rb
index 1c108777ee..db74438734 100644
--- a/test/ruby/test_struct.rb
+++ b/test/ruby/test_struct.rb
@@ -142,7 +142,19 @@ class TestStruct < Test::Unit::TestCase
 
     klass = Struct.new(:@a)
     o = klass.new(1)
+    assert_equal(1, o.__send__(:@a))
     assert_equal("#<struct :@a=1>", o.inspect)
+    o.__send__(:"@a=", 2)
+    assert_equal(2, o.__send__(:@a))
+    assert_equal("#<struct :@a=2>", o.inspect)
+    o.__send__("@a=", 3)
+    assert_equal(3, o.__send__(:@a))
+    assert_equal("#<struct :@a=3>", o.inspect)
+
+    methods = klass.instance_methods(false)
+    assert_equal([:@a, :"@a="].inspect, methods.inspect, '[Bug #8756]')
+    assert_include(methods, :@a)
+    assert_include(methods, :"@a=")
   end
 
   def test_init_copy
@@ -281,4 +293,10 @@ class TestStruct < Test::Unit::TestCase
     o = klass.new(1, 2, 3, 4, 5, 6)
     assert_equal({a:1, b:2, c:3, d:4, e:5, f:6}, o.to_h)
   end
+
+  def test_struct_question_mark
+    bug9248 = '[ruby-core:59095]'
+    klass = Struct.new(:a?)
+    assert_include(klass.new.methods.inspect, ':a?', bug9248)
+  end
 end