diff --git a/tests/sepolicy_tests.py b/tests/sepolicy_tests.py
new file mode 100644
index 0000000..3f93ff4
--- /dev/null
+++ b/tests/sepolicy_tests.py
@@ -0,0 +1,85 @@
+from optparse import OptionParser
+from optparse import Option, OptionValueError
+import os
+import policy
+import re
+import sys
+
+#############################################################
+# Tests
+#############################################################
+def TestDataTypeViolations(pol):
+    return pol.AssertPathTypesHaveAttr(["/data/"], [], "data_file_type")
+
+def TestSysfsTypeViolations(pol):
+    return pol.AssertPathTypesHaveAttr(["/sys/"], ["/sys/kernel/debug/",
+                                    "/sys/kernel/tracing"], "sysfs_type")
+
+def TestDebugfsTypeViolations(pol):
+    # TODO: this should apply to genfs_context entries as well
+    return pol.AssertPathTypesHaveAttr(["/sys/kernel/debug/",
+                                    "/sys/kernel/tracing"], [], "debugfs_type")
+###
+# extend OptionParser to allow the same option flag to be used multiple times.
+# This is used to allow multiple file_contexts files and tests to be
+# specified.
+#
+class MultipleOption(Option):
+    ACTIONS = Option.ACTIONS + ("extend",)
+    STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
+    TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
+    ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
+
+    def take_action(self, action, dest, opt, value, values, parser):
+        if action == "extend":
+            values.ensure_value(dest, []).append(value)
+        else:
+            Option.take_action(self, action, dest, opt, value, values, parser)
+
+Tests = ["TestDataTypeViolators"]
+
+if __name__ == '__main__':
+    usage = "sepolicy_tests.py -f nonplat_file_contexts -f "
+    usage +="plat_file_contexts -p policy [--test test] [--help]"
+    parser = OptionParser(option_class=MultipleOption, usage=usage)
+    parser.add_option("-f", "--file_contexts", dest="file_contexts",
+            metavar="FILE", action="extend", type="string")
+    parser.add_option("-p", "--policy", dest="policy", metavar="FILE")
+    parser.add_option("-l", "--library-path", dest="libpath", metavar="FILE")
+    parser.add_option("-t", "--test", dest="test", action="extend",
+            help="Test options include "+str(Tests))
+
+    (options, args) = parser.parse_args()
+
+    if not options.libpath:
+        sys.exit("Must specify path to host libraries\n" + parser.usage)
+    if not os.path.exists(options.libpath):
+        sys.exit("Error: library-path " + options.libpath + " does not exist\n"
+                + parser.usage)
+
+    if not options.policy:
+        sys.exit("Must specify monolithic policy file\n" + parser.usage)
+    if not os.path.exists(options.policy):
+        sys.exit("Error: policy file " + options.policy + " does not exist\n"
+                + parser.usage)
+
+    if not options.file_contexts:
+        sys.exit("Error: Must specify file_contexts file(s)\n" + parser.usage)
+    for f in options.file_contexts:
+        if not os.path.exists(f):
+            sys.exit("Error: File_contexts file " + f + " does not exist\n" +
+                    parser.usage)
+
+    pol = policy.Policy(options.policy, options.file_contexts, options.libpath)
+
+    results = ""
+    # If an individual test is not specified, run all tests.
+    if options.test is None or "TestDataTypeViolations" in options.tests:
+        results += TestDataTypeViolations(pol)
+    if options.test is None or "TestSysfsTypeViolations" in options.tests:
+        results += TestSysfsTypeViolations(pol)
+    if options.test is None or "TestDebugfsTypeViolations" in options.tests:
+        results += TestDebugfsTypeViolations(pol)
+
+    if len(results) > 0:
+        sys.exit(results)