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-rwxr-xr-xspec/functions/concat_spec.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/spec/functions/concat_spec.rb b/spec/functions/concat_spec.rb
index b853b4c..49cb2ad 100755
--- a/spec/functions/concat_spec.rb
+++ b/spec/functions/concat_spec.rb
@@ -27,4 +27,9 @@ describe "the concat function" do
expect(result).to(eq(['1','2','3',['4','5'],'6']))
end
+ it "should leave the original array intact" do
+ array_original = ['1','2','3']
+ result = scope.function_concat([array_original,['4','5','6']])
+ array_original.should(eq(['1','2','3']))
+ end
end