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235 lines
8.8 KiB
235 lines
8.8 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specic language governing permissions and
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* limitations under the License.
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*/
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#include <android-base/file.h>
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#include <android-base/stringprintf.h>
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#include <gtest/gtest.h>
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#include <algorithm>
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#include <thread>
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#include "perfmgr/FileNode.h"
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namespace android {
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namespace perfmgr {
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using std::literals::chrono_literals::operator""ms;
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constexpr double kTIMING_TOLERANCE_MS = std::chrono::milliseconds(25).count();
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constexpr auto kSLEEP_TOLERANCE_MS = 2ms;
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static inline void _VerifyPathValue(const std::string& path,
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const std::string& value) {
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std::string s;
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EXPECT_TRUE(android::base::ReadFileToString(path, &s)) << strerror(errno);
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EXPECT_EQ(value, s);
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}
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// Test init with no default value
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TEST(FileNodeTest, NoInitDefaultTest) {
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TemporaryFile tf;
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FileNode t("t", tf.path, {{"value0"}, {"value1"}, {"value2"}}, 1, false);
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t.Update(false);
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_VerifyPathValue(tf.path, "");
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}
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// Test init with default value
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TEST(FileNodeTest, InitDefaultTest) {
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TemporaryFile tf;
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FileNode t("t", tf.path, {{"value0"}, {"value1"}, {"value2"}}, 1, true);
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t.Update(false);
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_VerifyPathValue(tf.path, "value1");
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TemporaryFile tf2;
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FileNode t2("t2", tf2.path, {{"value0"}, {"value1"}, {"value2"}}, 0, true);
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t2.Update(false);
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_VerifyPathValue(tf2.path, "value0");
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}
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// Test DumpToFd
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TEST(FileNodeTest, DumpToFdTest) {
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TemporaryFile tf;
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FileNode t("test_dump", tf.path, {{"value0"}, {"value1"}, {"value2"}}, 1,
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true);
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t.Update(false);
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TemporaryFile dumptf;
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t.DumpToFd(dumptf.fd);
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fsync(dumptf.fd);
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std::string buf(
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android::base::StringPrintf("test_dump\t%s\t1\tvalue1\n", tf.path));
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_VerifyPathValue(dumptf.path, buf);
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}
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// Test GetValueIndex
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TEST(FileNodeTest, GetValueIndexTest) {
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TemporaryFile tf;
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FileNode t("t", tf.path, {{"value0"}, {"value1"}, {"value2"}}, 1, false);
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std::size_t index = 0;
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EXPECT_TRUE(t.GetValueIndex("value2", &index));
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EXPECT_EQ(2u, index);
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index = 1234;
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EXPECT_FALSE(t.GetValueIndex("NON_EXIST", &index));
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EXPECT_EQ(1234u, index);
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}
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// Test GetValues
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TEST(FileNodeTest, GetValuesTest) {
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TemporaryFile tf;
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FileNode t("t", tf.path, {{"value0"}, {"value1"}, {"value2"}}, 1, false);
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std::vector values = t.GetValues();
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EXPECT_EQ(3u, values.size());
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EXPECT_EQ("value0", values[0]);
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EXPECT_EQ("value1", values[1]);
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EXPECT_EQ("value2", values[2]);
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}
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// Test get more properties
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TEST(FileNodeTest, GetPropertiesTest) {
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std::string test_name = "TESTREQ_1";
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std::string test_path = "TEST_PATH";
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FileNode t(test_name, test_path, {}, 0, false, true);
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EXPECT_EQ(test_name, t.GetName());
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EXPECT_EQ(test_path, t.GetPath());
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EXPECT_EQ(0u, t.GetValues().size());
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EXPECT_EQ(0u, t.GetDefaultIndex());
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EXPECT_FALSE(t.GetResetOnInit());
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EXPECT_TRUE(t.GetHoldFd());
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}
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// Test add request fail and retry
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TEST(FileNodeTest, AddRequestTestFail) {
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FileNode t("t", "/sys/android/nonexist_node_test",
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{{"value0"}, {"value1"}, {"value2"}}, 2, true);
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auto start = std::chrono::steady_clock::now();
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EXPECT_TRUE(t.AddRequest(1, "INTERACTION", start + 200ms));
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std::chrono::milliseconds expire_time = t.Update(true);
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// Add request @ value1
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EXPECT_NEAR(std::chrono::milliseconds(200).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Add request @ value0 higher prio than value1
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EXPECT_TRUE(t.AddRequest(0, "LAUNCH", start + 2000ms));
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expire_time = t.Update(true);
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// Retry in 500 ms
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EXPECT_NEAR(std::chrono::milliseconds(500).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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}
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// Test add request
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TEST(FileNodeTest, AddRequestTest) {
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TemporaryFile tf;
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FileNode t("t", tf.path, {{"value0"}, {"value1"}, {"value2"}}, 2, true);
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auto start = std::chrono::steady_clock::now();
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EXPECT_TRUE(t.AddRequest(1, "INTERACTION", start + 500ms));
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std::chrono::milliseconds expire_time = t.Update(true);
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// Add request @ value1
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_VerifyPathValue(tf.path, "value1");
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EXPECT_NEAR(std::chrono::milliseconds(500).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Add request @ value0 higher prio than value1
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EXPECT_TRUE(t.AddRequest(0, "LAUNCH", start + 200ms));
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value0");
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EXPECT_NEAR(std::chrono::milliseconds(200).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Let high prio request timeout, now only request @ value1 active
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std::this_thread::sleep_for(expire_time + kSLEEP_TOLERANCE_MS);
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value1");
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EXPECT_NEAR(std::chrono::milliseconds(300).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Let all requests timeout, now default value2
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std::this_thread::sleep_for(expire_time + kSLEEP_TOLERANCE_MS);
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value2");
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EXPECT_EQ(std::chrono::milliseconds::max(), expire_time);
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}
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// Test remove request
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TEST(FileNodeTest, RemoveRequestTest) {
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TemporaryFile tf;
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FileNode t("t", tf.path, {{"value0"}, {"value1"}, {"value2"}}, 2, true);
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auto start = std::chrono::steady_clock::now();
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EXPECT_TRUE(t.AddRequest(1, "INTERACTION", start + 500ms));
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std::chrono::milliseconds expire_time = t.Update(true);
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// Add request @ value1
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_VerifyPathValue(tf.path, "value1");
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EXPECT_NEAR(std::chrono::milliseconds(500).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Add request @ value0 higher prio than value1
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EXPECT_TRUE(t.AddRequest(0, "LAUNCH", start + 200ms));
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value0");
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EXPECT_NEAR(std::chrono::milliseconds(200).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Remove high prio request, now only request @ value1 active
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t.RemoveRequest("LAUNCH");
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value1");
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EXPECT_NEAR(std::chrono::milliseconds(500).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Remove request, now default value2
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t.RemoveRequest("INTERACTION");
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value2");
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EXPECT_EQ(std::chrono::milliseconds::max(), expire_time);
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}
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// Test add request with holding fd
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TEST(FileNodeTest, AddRequestTestHoldFdOverride) {
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TemporaryFile tf;
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FileNode t("t", tf.path, {{"value0"}, {"value1"}, {"value2"}}, 2, true,
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true);
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EXPECT_TRUE(t.GetHoldFd());
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auto start = std::chrono::steady_clock::now();
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EXPECT_TRUE(t.AddRequest(1, "INTERACTION", start + 500ms));
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std::chrono::milliseconds expire_time = t.Update(true);
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// Add request @ value1
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_VerifyPathValue(tf.path, "value1");
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EXPECT_NEAR(std::chrono::milliseconds(500).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Add request @ value0 higher prio than value1
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EXPECT_TRUE(t.AddRequest(0, "LAUNCH", start + 200ms));
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value0");
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EXPECT_NEAR(std::chrono::milliseconds(200).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Add request @ value0 shorter
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EXPECT_TRUE(t.AddRequest(0, "LAUNCH", start + 100ms));
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value0");
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EXPECT_NEAR(std::chrono::milliseconds(200).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Add request @ value0 longer
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EXPECT_TRUE(t.AddRequest(0, "LAUNCH", start + 300ms));
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value0");
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EXPECT_NEAR(std::chrono::milliseconds(300).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Remove high prio request, now only request @ value1 active
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t.RemoveRequest("LAUNCH");
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value1");
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EXPECT_NEAR(std::chrono::milliseconds(500).count(), expire_time.count(),
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kTIMING_TOLERANCE_MS);
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// Remove request, now default value2
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t.RemoveRequest("INTERACTION");
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expire_time = t.Update(true);
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_VerifyPathValue(tf.path, "value2");
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EXPECT_EQ(std::chrono::milliseconds::max(), expire_time);
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}
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} // namespace perfmgr
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} // namespace android
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