| /* |
| * Copyright 2015 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "cobalt/dom/performance.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cobalt { |
| namespace dom { |
| |
| TEST(PerformanceTest, Now) { |
| scoped_refptr<base::SystemMonotonicClock> clock( |
| new base::SystemMonotonicClock()); |
| |
| scoped_refptr<Performance> performance(new Performance(clock)); |
| |
| // Test that now returns a result that is within a correct range for the |
| // current time. |
| base::TimeDelta lower_limit = clock->Now(); |
| |
| double current_time_in_milliseconds = performance->Now(); |
| |
| base::TimeDelta upper_limit = clock->Now(); |
| |
| scoped_refptr<base::OffsetClock> navigation_start_clock = |
| performance->timing()->GetNavigationStartClock(); |
| |
| DCHECK_GE(current_time_in_milliseconds, |
| (lower_limit - navigation_start_clock->origin()).InMillisecondsF()); |
| DCHECK_LE(current_time_in_milliseconds, |
| (upper_limit - navigation_start_clock->origin()).InMillisecondsF()); |
| } |
| |
| TEST(PerformanceTest, NavigationStart) { |
| // navigationStart is supposed to return the time, in milliseconds, since |
| // the page was loaded, as described here: |
| // https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/NavigationTiming/Overview.html#sec-navigation-timing-interface |
| // We assume (and test) here though that navigationStart time will be set |
| // to the time that the NavigationTiming object was created, since it is |
| // not yet clear how things will be setup to support navigating to new |
| // web pages, and it is immediately useful to have the current functionality |
| // in place. |
| scoped_refptr<base::SystemMonotonicClock> clock( |
| new base::SystemMonotonicClock()); |
| base::TimeDelta lower_limit = clock->Now(); |
| |
| scoped_refptr<PerformanceTiming> performance_timing( |
| new PerformanceTiming(clock)); |
| |
| base::TimeDelta upper_limit = clock->Now(); |
| |
| DCHECK_GE(performance_timing->navigation_start(), |
| static_cast<uint64>(lower_limit.InMilliseconds())); |
| DCHECK_LE(performance_timing->navigation_start(), |
| static_cast<uint64>(upper_limit.InMilliseconds())); |
| } |
| |
| } // namespace dom |
| } // namespace cobalt |