1 files changed, 16 insertions, 0 deletions
diff --git a/test/irb/helper.rb b/test/irb/helper.rb
new file mode 100644
index 0000000000..19c39a4a59
--- /dev/null
+++ b/test/irb/helper.rb
@@ -0,0 +1,16 @@
+module IRB
+  module TestHelper
+    def self.without_rdoc(&block)
+      ::Kernel.send(:alias_method, :old_require, :require)
+
+      ::Kernel.define_method(:require) do |name|
+        raise LoadError, "cannot load such file -- rdoc (test)" if name.match?("rdoc") || name.match?(/^rdoc\/.*/)
+        ::Kernel.send(:old_require, name)
+      end
+
+      yield
+    ensure
+      EnvUtil.suppress_warning { ::Kernel.send(:alias_method, :require, :old_require) }
+    end
+  end
+end