1 files changed, 30 insertions, 0 deletions
diff --git a/test/testunit/test_error.rb b/test/testunit/test_error.rb
new file mode 100644
index 0000000000..c95bef38c4
--- /dev/null
+++ b/test/testunit/test_error.rb
@@ -0,0 +1,30 @@
+# Author:: Nathaniel Talbott.
+# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
+# License:: Ruby license.
+
+require 'test/unit/error'
+
+module Test
+  module Unit
+    class TC_Error < TestCase
+      def setup
+        @old_load_path = $:.dup
+        $:.replace(['C:\some\old\path'])
+      end
+      
+      def test_backtrace_filtering
+        backtrace = [%q{tc_thing.rb:4:in '/'}]
+        
+        backtrace.concat([%q{tc_thing.rb:4:in 'test_stuff'},
+            %q{C:\some\old\path/test/unit/testcase.rb:44:in 'send'},
+            %q{C:\some\old\path\test\unit\testcase.rb:44:in 'run'},
+            %q{tc_thing.rb:3}])
+        assert_equal([backtrace[0..1], backtrace[-1]].flatten, Error.filter(backtrace), "Should filter out all TestUnit-specific lines")
+      end
+      
+      def teardown
+        $:.replace(@old_load_path)
+      end
+    end
+  end
+end