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# Copyright 2018 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 difflib
from . import base
class OutProc(base.OutProc):
def __init__(self, expected_outcomes):
super(OutProc, self).__init__(expected_outcomes)
def _is_failure_output(self, output):
MIN_EXPECTED_LINE_COUNT = 300 # Currently the actual count is 652.
if len(output.stdout.splitlines()) < MIN_EXPECTED_LINE_COUNT:
output.stdout = ("Plausibility check failed. Output too short.\n\n" +
output.stdout)
return True
PLAUSIBILITY_CHECK_EXPECTED_STRINGS = [
"INSTANCE_TYPES = {",
"HEAP_NUMBER_TYPE",
"KNOWN_MAPS = {",
"HeapNumberMap",
"KNOWN_OBJECTS = {",
"TrueValue",
"HEAP_FIRST_PAGES = {",
"FRAME_MARKERS = (",
"INTERPRETED",
]
for expected_string in PLAUSIBILITY_CHECK_EXPECTED_STRINGS:
if not expected_string in output.stdout:
output.stdout = (
"Plausibility check failed. Expected string "
f"'{expected_string}' not found in output.\n") + output.stdout
return True
return False
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