From fd0f79ca677759251e011cbe3f7fbbe88db57b62 Mon Sep 17 00:00:00 2001
From: Kouichi Nakanishi <keizo.bookman@gmail.com>
Date: Thu, 6 Apr 2017 23:31:34 +0900
Subject: Get constant of parent class even if child class is defined in
 signleton class; fix #3575

---
 test/t/class.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'test')

diff --git a/test/t/class.rb b/test/t/class.rb
index 54fadc0ca..eb077fce6 100644
--- a/test/t/class.rb
+++ b/test/t/class.rb
@@ -410,6 +410,20 @@ assert('class variable in module and class << self style class method') do
   assert_equal("value", ClassVariableInModuleTest.class_variable)
 end
 
+assert('child class/module defined in singleton class get parent constant') do
+  actual = module GetParentConstantTest
+            EXPECT = "value"
+            class << self
+              class CHILD
+                class << self
+                    EXPECT
+                end
+              end
+            end
+          end
+  assert_equal("value", actual)
+end
+
 assert('overriding class variable with a module (#3235)') do
   module ModuleWithCVar
     @@class_variable = 1
-- 
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