Add a library suitable for libfuzzer with a small unit test runner shell

test/fuzzer/testcfg.py

Index: test/fuzzer/testcfg.py
diff --git a/test/fuzzer/testcfg.py b/test/fuzzer/testcfg.py
new file mode 100644
index 0000000000000000000000000000000000000000..40e5e10b1dfca0e57b343646501e8e48d487e66b
--- /dev/null
+++ b/test/fuzzer/testcfg.py
@@ -0,0 +1,36 @@
+# Copyright 2016 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import os
+
+from testrunner.local import testsuite
+from testrunner.objects import testcase
+
+
+class FuzzerTestSuite(testsuite.TestSuite):

[Michael Achenbach, 2016/01/25 15:05:53]

Do our testing variants make sense for these tests (i.e. nocrankshaft, turbo,
normal, etc)? If not, you might want to add something like this:
https://code.google.com/p/chromium/codesearch#chromium/src/v8/tools/testrunne...

[jochen (gone - plz use gerrit), 2016/01/26 07:54:20]

some systems might behave differently based on those flags

+  SUB_TESTS = ( 'parser', )
+
+  def __init__(self, name, root):
+    super(FuzzerTestSuite, self).__init__(name, root)
+
+  def ListTests(self, context):
+    tests = []
+    for subtest in FuzzerTestSuite.SUB_TESTS:
+      shell = '%s_fuzzer' % subtest
+      for fname in os.listdir(os.path.join(self.root, subtest)):
+        if not os.path.isfile(os.path.join(self.root, subtest, fname)):
+          continue
+        test = testcase.TestCase(self, '%s/%s' % (subtest, fname),
+                                 override_shell=shell)
+        tests.append(test)
+    tests.sort()
+    return tests
+
+  def GetFlagsForTestCase(self, testcase, context):
+    suite, name = testcase.path.split('/')
+    return [os.path.join(self.root, suite, name)]
+
+
+def GetSuite(name, root):
+  return FuzzerTestSuite(name, root)