[PATCH] test_autoload: WIP nested autoload test

[PATCH] test_autoload: WIP nested autoload test

[Eric Wong]

---
 test/ruby/test_autoload.rb | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/test/ruby/test_autoload.rb b/test/ruby/test_autoload.rb
index 719502d..8e427e5 100644
--- a/test/ruby/test_autoload.rb
+++ b/test/ruby/test_autoload.rb
@@ -215,6 +215,37 @@ p Foo::Bar
     end
   end
 
+  def test_nested_autoload_in_ruby_require
+    ruby_impl_require do |called_with|
+      Tempfile.create(%w(a .rb)) do |a|
+        Tempfile.create(%w(b .rb)) do |b|
+          a.puts "class AutoloadTest; autoload :B, '#{b.path}'; end"
+          Tempfile.create(%w(c .rb)) do |c|
+            b.puts "class AutoloadTest; module B; autoload :C, '#{c.path}'; "\
+                   "end; end"
+            c.puts "class AutoloadTest; module B; module C; end; end; end"
+
+            [ a, b, c ].each(&:flush)
+            add_autoload(a.path)
+            begin
+              thrs = []
+              5.times do
+                thrs << Thread.new do
+                  Thread.pass; Object::AutoloadTest::B::C
+                end
+              end
+              assert(Object::AutoloadTest::B::C)
+              thrs.each(&:join)
+            ensure
+              remove_autoload_constant
+            end
+            warn called_with.inspect
+          end
+        end
+      end
+    end
+  end
+
   def add_autoload(path)
     (@autoload_paths ||= []) << path
     ::Object.class_eval {autoload(:AutoloadTest, path)}
-- 
EW