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-rw-r--r--spec/ruby/optional/capi/encoding_spec.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/spec/ruby/optional/capi/encoding_spec.rb b/spec/ruby/optional/capi/encoding_spec.rb
index 7661f2b68b..33587bf03a 100644
--- a/spec/ruby/optional/capi/encoding_spec.rb
+++ b/spec/ruby/optional/capi/encoding_spec.rb
@@ -147,6 +147,11 @@ describe "C-API Encoding function" do
it "returns -1 as the index for immediates" do
@s.send(@method, 1).should == -1
end
+
+ it "returns -1 for an object without an encoding" do
+ obj = Object.new
+ @s.send(@method, obj).should == -1
+ end
end
describe "rb_enc_set_index" do