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-rw-r--r--test/ripper/test_sexp.rb18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/ripper/test_sexp.rb b/test/ripper/test_sexp.rb
new file mode 100644
index 0000000000..92df1ae997
--- /dev/null
+++ b/test/ripper/test_sexp.rb
@@ -0,0 +1,18 @@
+begin
+ require 'ripper'
+ require 'test/unit'
+ ripper_test = true
+ module TestRipper; end
+rescue LoadError
+end
+
+class TestRipper::Sexp < Test::Unit::TestCase
+ def test_compile_error
+ assert_nil Ripper.sexp("/")
+ assert_nil Ripper.sexp("-")
+ assert_nil Ripper.sexp("+")
+ assert_nil Ripper.sexp("*")
+ assert_nil Ripper.sexp("end")
+ assert_nil Ripper.sexp("end 1")
+ end
+end if ripper_test