1 /*
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18 #include <gui/DisplayEventReceiver.h>
19
20 namespace android {
21
22 class DisplayEventReceiverTest : public ::testing::Test {
23 public:
SetUp()24 void SetUp() override { EXPECT_EQ(NO_ERROR, mDisplayEventReceiver.initCheck()); }
25
26 DisplayEventReceiver mDisplayEventReceiver;
27 };
28
TEST_F(DisplayEventReceiverTest,getLatestVsyncEventData)29 TEST_F(DisplayEventReceiverTest, getLatestVsyncEventData) {
30 const nsecs_t now = systemTime();
31 ParcelableVsyncEventData parcelableVsyncEventData;
32 EXPECT_EQ(NO_ERROR, mDisplayEventReceiver.getLatestVsyncEventData(&parcelableVsyncEventData));
33
34 const VsyncEventData& vsyncEventData = parcelableVsyncEventData.vsync;
35 EXPECT_NE(std::numeric_limits<size_t>::max(), vsyncEventData.preferredFrameTimelineIndex);
36 EXPECT_GT(static_cast<int64_t>(vsyncEventData.frameTimelinesLength), 0)
37 << "Frame timelines length should be greater than 0";
38 EXPECT_LE(static_cast<int64_t>(vsyncEventData.frameTimelinesLength),
39 VsyncEventData::kFrameTimelinesCapacity)
40 << "Frame timelines length should not exceed max capacity";
41 EXPECT_GT(vsyncEventData.frameTimelines[0].deadlineTimestamp, now)
42 << "Deadline timestamp should be greater than frame time";
43 for (size_t i = 0; i < vsyncEventData.frameTimelinesLength; i++) {
44 EXPECT_NE(gui::FrameTimelineInfo::INVALID_VSYNC_ID,
45 vsyncEventData.frameTimelines[i].vsyncId);
46 EXPECT_GT(vsyncEventData.frameTimelines[i].expectedPresentationTime,
47 vsyncEventData.frameTimelines[i].deadlineTimestamp)
48 << "Expected vsync timestamp should be greater than deadline";
49 if (i > 0) {
50 EXPECT_GT(vsyncEventData.frameTimelines[i].deadlineTimestamp,
51 vsyncEventData.frameTimelines[i - 1].deadlineTimestamp)
52 << "Deadline timestamp out of order for frame timeline " << i;
53 EXPECT_GT(vsyncEventData.frameTimelines[i].expectedPresentationTime,
54 vsyncEventData.frameTimelines[i - 1].expectedPresentationTime)
55 << "Expected vsync timestamp out of order for frame timeline " << i;
56 }
57 }
58 }
59
60 } // namespace android
61