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      1 # Copyright 2014 The Chromium Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 from telemetry.page import test_expectations
      6 
      7 # Valid expectation conditions are:
      8 #
      9 # Operating systems:
     10 #     win, xp, vista, win7, mac, leopard, snowleopard, lion, mountainlion,
     11 #     mavericks, yosemite, linux, chromeos, android
     12 #
     13 # GPU vendors:
     14 #     amd, arm, broadcom, hisilicon, intel, imagination, nvidia, qualcomm,
     15 #     vivante
     16 #
     17 # Specific GPUs can be listed as a tuple with vendor name and device ID.
     18 # Examples: ('nvidia', 0x1234), ('arm', 'Mali-T604')
     19 # Device IDs must be paired with a GPU vendor.
     20 
     21 class PixelExpectations(test_expectations.TestExpectations):
     22   def SetExpectations(self):
     23     # Sample Usage:
     24     # self.Fail('Pixel.Canvas2DRedBox',
     25     #     ['mac', 'amd', ('nvidia', 0x1234)], bug=123)
     26 
     27     pass
     28