1 files changed, 14 insertions, 0 deletions
diff --git a/test/rexml/test_instruction.rb b/test/rexml/test_instruction.rb
new file mode 100644
index 0000000000..96fa909e17
--- /dev/null
+++ b/test/rexml/test_instruction.rb
@@ -0,0 +1,14 @@
+require_relative "rexml_test_utils"
+
+module REXMLTests
+  class InstructionTest < Test::Unit::TestCase
+    def test_target_nil
+      error = assert_raise(ArgumentError) do
+        REXML::Instruction.new(nil)
+      end
+      assert_equal("processing instruction target must be String or " +
+                   "REXML::Instruction: <nil>",
+                   error.message)
+    end
+  end
+end