blob: ef936e32969ce6fe3b67670cb7424114fb9ac6d8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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.
*/
package com.android.tv.tests.jank;
import android.support.test.filters.MediumTest;
import android.support.test.jank.GfxMonitor;
import android.support.test.jank.JankTest;
/**
* Jank tests for channel zapping.
*/
@MediumTest
public class ChannelZappingJankTest extends LiveChannelsTestCase {
private static final String TAG = "ChannelZappingJankTest";
private static final String STARTING_CHANNEL = "13";
/**
* The minimum number of frames expected during each jank test.
* If there is less the test will fail. To be safe we loop the action in each test to create
* twice this many frames under normal conditions.
* <p>At least 100 frams should be chosen so there will be enough frame
* for the 90th, 95th, and 98th percentile measurements are significant.
*
* @see <a href="http://go/janktesthelper-best-practices">Jank Test Helper Best Practices</a>
*/
private static final int EXPECTED_FRAMES = 100;
private static final int WARM_UP_CHANNEL_ZAPPING_COUNT = 2;
@Override
protected void setUp() throws Exception {
super.setUp();
Utils.pressKeysForChannelNumber(STARTING_CHANNEL, mDevice);
}
@JankTest(expectedFrames = EXPECTED_FRAMES,
beforeTest = "warmChannelZapping")
@GfxMonitor(processName = Utils.LIVE_CHANNELS_PROCESS_NAME)
public void testChannelZapping() {
int frameCountForOneChannelZapping = 40; // measured by hand
int repeat = EXPECTED_FRAMES * 2 / frameCountForOneChannelZapping;
for (int i = 0; i < repeat; i++) {
mDevice.pressDPadUp();
mDevice.waitForIdle();
// Press BACK to close banner.
mDevice.pressBack();
mDevice.waitForIdle();
}
}
// It's public to be used with @JankTest annotation.
public void warmChannelZapping() {
for (int i = 0; i < WARM_UP_CHANNEL_ZAPPING_COUNT; ++i) {
mDevice.pressDPadUp();
mDevice.waitForIdle();
}
// Press BACK to close banner.
mDevice.pressBack();
mDevice.waitForIdle();
}
}
|
