1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/optional/capi/binding_spec.rb b/spec/ruby/optional/capi/binding_spec.rb
new file mode 100644
index 0000000000..966d650c46
--- /dev/null
+++ b/spec/ruby/optional/capi/binding_spec.rb
@@ -0,0 +1,19 @@
+require_relative 'spec_helper'
+
+load_extension("binding")
+
+describe "CApiBindingSpecs" do
+  before :each do
+    @b = CApiBindingSpecs.new
+  end
+
+  describe "Kernel#binding" do
+    it "gives the top-most Ruby binding when called from C" do
+      foo = 14
+      b = @b.get_binding
+      b.local_variable_get(:foo).should == 14
+      b.local_variable_set :foo, 12
+      foo.should == 12
+    end
+  end
+end