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-rw-r--r--spec/ruby/library/weakref/allocate_spec.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/spec/ruby/library/weakref/allocate_spec.rb b/spec/ruby/library/weakref/allocate_spec.rb
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index 0000000000..76e81c4e5e
--- /dev/null
+++ b/spec/ruby/library/weakref/allocate_spec.rb
@@ -0,0 +1,8 @@
+require_relative '../../spec_helper'
+require 'weakref'
+
+describe "WeakRef#allocate" do
+ it "assigns nil as the reference" do
+ lambda { WeakRef.allocate.__getobj__ }.should raise_error(WeakRef::RefError)
+ end
+end