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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "core/loader/DocumentLoadTiming.h" | 5 #include "core/loader/DocumentLoadTiming.h" |
| 6 | 6 |
| 7 #include "core/loader/DocumentLoader.h" | 7 #include "core/loader/DocumentLoader.h" |
| 8 #include "core/testing/DummyPageHolder.h" | 8 #include "core/testing/DummyPageHolder.h" |
| 9 #include "testing/gtest/include/gtest/gtest.h" | 9 #include "testing/gtest/include/gtest/gtest.h" |
| 10 #include <memory> |
| 10 | 11 |
| 11 namespace blink { | 12 namespace blink { |
| 12 | 13 |
| 13 class DocumentLoadTimingTest : public testing::Test { | 14 class DocumentLoadTimingTest : public testing::Test { |
| 14 }; | 15 }; |
| 15 | 16 |
| 16 TEST_F(DocumentLoadTimingTest, ensureValidNavigationStartAfterEmbedder) | 17 TEST_F(DocumentLoadTimingTest, ensureValidNavigationStartAfterEmbedder) |
| 17 { | 18 { |
| 18 OwnPtr<DummyPageHolder> dummyPage = DummyPageHolder::create(); | 19 std::unique_ptr<DummyPageHolder> dummyPage = DummyPageHolder::create(); |
| 19 DocumentLoadTiming timing(*(dummyPage->document().loader())); | 20 DocumentLoadTiming timing(*(dummyPage->document().loader())); |
| 20 | 21 |
| 21 double delta = -1000; | 22 double delta = -1000; |
| 22 double embedderNavigationStart = monotonicallyIncreasingTime() + delta; | 23 double embedderNavigationStart = monotonicallyIncreasingTime() + delta; |
| 23 timing.setNavigationStart(embedderNavigationStart); | 24 timing.setNavigationStart(embedderNavigationStart); |
| 24 | 25 |
| 25 double realWallTime = currentTime(); | 26 double realWallTime = currentTime(); |
| 26 double adjustedWallTime = timing.monotonicTimeToPseudoWallTime(timing.naviga
tionStart()); | 27 double adjustedWallTime = timing.monotonicTimeToPseudoWallTime(timing.naviga
tionStart()); |
| 27 | 28 |
| 28 EXPECT_NEAR(adjustedWallTime, realWallTime + delta, .001); | 29 EXPECT_NEAR(adjustedWallTime, realWallTime + delta, .001); |
| 29 } | 30 } |
| 30 | 31 |
| 31 TEST_F(DocumentLoadTimingTest, correctTimingDeltas) | 32 TEST_F(DocumentLoadTimingTest, correctTimingDeltas) |
| 32 { | 33 { |
| 33 OwnPtr<DummyPageHolder> dummyPage = DummyPageHolder::create(); | 34 std::unique_ptr<DummyPageHolder> dummyPage = DummyPageHolder::create(); |
| 34 DocumentLoadTiming timing(*(dummyPage->document().loader())); | 35 DocumentLoadTiming timing(*(dummyPage->document().loader())); |
| 35 | 36 |
| 36 double navigationStartDelta = -456; | 37 double navigationStartDelta = -456; |
| 37 double currentMonotonicTime = monotonicallyIncreasingTime(); | 38 double currentMonotonicTime = monotonicallyIncreasingTime(); |
| 38 double embedderNavigationStart = currentMonotonicTime + navigationStartDelta
; | 39 double embedderNavigationStart = currentMonotonicTime + navigationStartDelta
; |
| 39 | 40 |
| 40 timing.setNavigationStart(embedderNavigationStart); | 41 timing.setNavigationStart(embedderNavigationStart); |
| 41 | 42 |
| 42 // Super quick load! Expect the wall time reported by this event to be | 43 // Super quick load! Expect the wall time reported by this event to be |
| 43 // dominated by the navigationStartDelta, but similar to currentTime(). | 44 // dominated by the navigationStartDelta, but similar to currentTime(). |
| 44 timing.markLoadEventEnd(); | 45 timing.markLoadEventEnd(); |
| 45 double realWallLoadEventEnd = currentTime(); | 46 double realWallLoadEventEnd = currentTime(); |
| 46 double adjustedLoadEventEnd = timing.monotonicTimeToPseudoWallTime(timing.lo
adEventEnd()); | 47 double adjustedLoadEventEnd = timing.monotonicTimeToPseudoWallTime(timing.lo
adEventEnd()); |
| 47 | 48 |
| 48 EXPECT_NEAR(adjustedLoadEventEnd, realWallLoadEventEnd, .001); | 49 EXPECT_NEAR(adjustedLoadEventEnd, realWallLoadEventEnd, .001); |
| 49 | 50 |
| 50 double adjustedNavigationStart = timing.monotonicTimeToPseudoWallTime(timing
.navigationStart()); | 51 double adjustedNavigationStart = timing.monotonicTimeToPseudoWallTime(timing
.navigationStart()); |
| 51 EXPECT_NEAR(adjustedLoadEventEnd - adjustedNavigationStart, -navigationStart
Delta, .001); | 52 EXPECT_NEAR(adjustedLoadEventEnd - adjustedNavigationStart, -navigationStart
Delta, .001); |
| 52 } | 53 } |
| 53 | 54 |
| 54 } // namespace blink | 55 } // namespace blink |
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