1 # Copyright 2013 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 import hardware_accelerated_feature_expectations as expectations
6 from telemetry import test
7 from telemetry.page import page_set
8 from telemetry.page import page_test
10 test_harness_script = r"""
11 function VerifyHardwareAccelerated(feature) {
13 var list = document.querySelector('.feature-status-list');
14 for (var i=0; i < list.childElementCount; i++) {
15 var span_list = list.children[i].getElementsByTagName('span');
16 var feature_str = span_list[0].textContent;
17 var value_str = span_list[1].textContent;
18 if ((feature_str == feature) &&
19 (value_str == 'Hardware accelerated')) {
27 class HardwareAcceleratedFeatureValidator(page_test.PageTest):
29 super(HardwareAcceleratedFeatureValidator, self).__init__('ValidatePage')
31 def ValidatePage(self, page, tab, results):
32 feature = page.feature
33 if not tab.EvaluateJavaScript('VerifyHardwareAccelerated("%s")' % feature):
34 raise page_test.Failure('%s not hardware accelerated' % feature)
36 def safe_feature_name(feature):
37 return feature.lower().replace(' ', '_')
39 class HardwareAcceleratedFeature(test.Test):
40 """Tests GPU acceleration is reported as active for various features"""
41 test = HardwareAcceleratedFeatureValidator
43 def CreateExpectations(self, page_set):
44 return expectations.HardwareAcceleratedFeatureExpectations()
46 def CreatePageSet(self, options):
47 features = ['WebGL', 'Canvas', '3D CSS']
50 'description': 'Tests GPU acceleration is reported as active',
51 'user_agent_type': 'desktop',
55 pages = page_set_dict['pages']
57 for feature in features:
59 'name': 'HardwareAcceleratedFeature.%s_accelerated' %
60 safe_feature_name(feature),
61 'url': 'chrome://gpu',
63 { "action": 'navigate' }
65 'script_to_evaluate_on_commit': test_harness_script,
69 return page_set.PageSet.FromDict(page_set_dict, '')