1 files changed, 57 insertions, 0 deletions
diff --git a/deps/v8/tools/testrunner/objects/predictable.py b/deps/v8/tools/testrunner/objects/predictable.py
new file mode 100644
index 0000000000..ad93077be9
--- /dev/null
+++ b/deps/v8/tools/testrunner/objects/predictable.py
@@ -0,0 +1,57 @@
+# Copyright 2017 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.
+
+from ..local import statusfile
+from ..outproc import base as outproc_base
+from ..testproc.result import Result
+
+
+# Only check the exit code of the predictable_wrapper in
+# verify-predictable mode. Negative tests are not supported as they
+# usually also don't print allocation hashes. There are two versions of
+# negative tests: one specified by the test, the other specified through
+# the status file (e.g. known bugs).
+
+
+def get_outproc(test):
+  output_proc = test.output_proc
+  if output_proc.negative or statusfile.FAIL in test.expected_outcomes:
+    # TODO(majeski): Skip these tests instead of having special outproc.
+    return NeverUnexpectedOutputOutProc(output_proc)
+  return OutProc(output_proc)
+
+
+class OutProc(outproc_base.BaseOutProc):
+  """Output processor wrapper for predictable mode. It has custom process and
+  has_unexpected_output implementation, but for all other methods it simply
+  calls wrapped output processor.
+  """
+  def __init__(self, _outproc):
+    super(OutProc, self).__init__()
+    self._outproc = _outproc
+
+  def process(self, output):
+    return Result(self.has_unexpected_output(output), output)
+
+  def has_unexpected_output(self, output):
+    return output.exit_code != 0
+
+  def get_outcome(self, output):
+    return self._outproc.get_outcome(output)
+
+  @property
+  def negative(self):
+    return self._outproc.negative
+
+  @property
+  def expected_outcomes(self):
+    return self._outproc.expected_outcomes
+
+
+class NeverUnexpectedOutputOutProc(OutProc):
+  """Output processor wrapper for tests that we will return False for
+  has_unexpected_output in the predictable mode.
+  """
+  def has_unexpected_output(self, output):
+    return False