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-rw-r--r--test/test_invalid_inputs.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/test/test_invalid_inputs.rb b/test/test_invalid_inputs.rb
index 93e7a96..32b7003 100644
--- a/test/test_invalid_inputs.rb
+++ b/test/test_invalid_inputs.rb
@@ -7,6 +7,10 @@ class TestInvalidInput < Test::Unit::TestCase
     @t = Patricia.new
   end
 
+  def test_embedded_null
+    assert_raises(ArgumentError) { @t.add("100.0.0.0/8\0") }
+  end
+
   def test_invalid_add
     assert_raises(ArgumentError) { @t.add('1000.0.0.0/8') }
     assert_raises(ArgumentError) { @t.add("\0") }