175 lines
7.1 KiB
C++
175 lines
7.1 KiB
C++
/*
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* Copyright (C) 2016 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 specific language governing permissions and
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* limitations under the License.
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*/
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#include "android-base/properties.h"
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#include <gtest/gtest.h>
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#include <atomic>
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#include <chrono>
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#include <string>
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#include <thread>
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using namespace std::chrono_literals;
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TEST(properties, smoke) {
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android::base::SetProperty("debug.libbase.property_test", "hello");
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std::string s = android::base::GetProperty("debug.libbase.property_test", "");
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ASSERT_EQ("hello", s);
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android::base::SetProperty("debug.libbase.property_test", "world");
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s = android::base::GetProperty("debug.libbase.property_test", "");
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ASSERT_EQ("world", s);
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s = android::base::GetProperty("this.property.does.not.exist", "");
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ASSERT_EQ("", s);
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s = android::base::GetProperty("this.property.does.not.exist", "default");
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ASSERT_EQ("default", s);
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}
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TEST(properties, empty) {
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// Because you can't delete a property, people "delete" them by
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// setting them to the empty string. In that case we'd want to
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// keep the default value (like cutils' property_get did).
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android::base::SetProperty("debug.libbase.property_test", "");
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std::string s = android::base::GetProperty("debug.libbase.property_test", "default");
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ASSERT_EQ("default", s);
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}
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static void CheckGetBoolProperty(bool expected, const std::string& value, bool default_value) {
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android::base::SetProperty("debug.libbase.property_test", value.c_str());
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ASSERT_EQ(expected, android::base::GetBoolProperty("debug.libbase.property_test", default_value));
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}
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TEST(properties, GetBoolProperty_true) {
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CheckGetBoolProperty(true, "1", false);
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CheckGetBoolProperty(true, "y", false);
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CheckGetBoolProperty(true, "yes", false);
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CheckGetBoolProperty(true, "on", false);
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CheckGetBoolProperty(true, "true", false);
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}
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TEST(properties, GetBoolProperty_false) {
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CheckGetBoolProperty(false, "0", true);
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CheckGetBoolProperty(false, "n", true);
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CheckGetBoolProperty(false, "no", true);
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CheckGetBoolProperty(false, "off", true);
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CheckGetBoolProperty(false, "false", true);
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}
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TEST(properties, GetBoolProperty_default) {
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CheckGetBoolProperty(true, "burp", true);
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CheckGetBoolProperty(false, "burp", false);
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}
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template <typename T> void CheckGetIntProperty() {
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// Positive and negative.
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android::base::SetProperty("debug.libbase.property_test", "-12");
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EXPECT_EQ(T(-12), android::base::GetIntProperty<T>("debug.libbase.property_test", 45));
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android::base::SetProperty("debug.libbase.property_test", "12");
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EXPECT_EQ(T(12), android::base::GetIntProperty<T>("debug.libbase.property_test", 45));
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// Default value.
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android::base::SetProperty("debug.libbase.property_test", "");
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EXPECT_EQ(T(45), android::base::GetIntProperty<T>("debug.libbase.property_test", 45));
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// Bounds checks.
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android::base::SetProperty("debug.libbase.property_test", "0");
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EXPECT_EQ(T(45), android::base::GetIntProperty<T>("debug.libbase.property_test", 45, 1, 2));
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android::base::SetProperty("debug.libbase.property_test", "1");
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EXPECT_EQ(T(1), android::base::GetIntProperty<T>("debug.libbase.property_test", 45, 1, 2));
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android::base::SetProperty("debug.libbase.property_test", "2");
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EXPECT_EQ(T(2), android::base::GetIntProperty<T>("debug.libbase.property_test", 45, 1, 2));
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android::base::SetProperty("debug.libbase.property_test", "3");
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EXPECT_EQ(T(45), android::base::GetIntProperty<T>("debug.libbase.property_test", 45, 1, 2));
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}
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template <typename T> void CheckGetUintProperty() {
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// Positive.
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android::base::SetProperty("debug.libbase.property_test", "12");
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EXPECT_EQ(T(12), android::base::GetUintProperty<T>("debug.libbase.property_test", 45));
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// Default value.
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android::base::SetProperty("debug.libbase.property_test", "");
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EXPECT_EQ(T(45), android::base::GetUintProperty<T>("debug.libbase.property_test", 45));
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// Bounds checks.
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android::base::SetProperty("debug.libbase.property_test", "12");
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EXPECT_EQ(T(12), android::base::GetUintProperty<T>("debug.libbase.property_test", 33, 22));
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android::base::SetProperty("debug.libbase.property_test", "12");
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EXPECT_EQ(T(5), android::base::GetUintProperty<T>("debug.libbase.property_test", 5, 10));
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}
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TEST(properties, GetIntProperty_int8_t) { CheckGetIntProperty<int8_t>(); }
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TEST(properties, GetIntProperty_int16_t) { CheckGetIntProperty<int16_t>(); }
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TEST(properties, GetIntProperty_int32_t) { CheckGetIntProperty<int32_t>(); }
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TEST(properties, GetIntProperty_int64_t) { CheckGetIntProperty<int64_t>(); }
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TEST(properties, GetUintProperty_uint8_t) { CheckGetUintProperty<uint8_t>(); }
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TEST(properties, GetUintProperty_uint16_t) { CheckGetUintProperty<uint16_t>(); }
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TEST(properties, GetUintProperty_uint32_t) { CheckGetUintProperty<uint32_t>(); }
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TEST(properties, GetUintProperty_uint64_t) { CheckGetUintProperty<uint64_t>(); }
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TEST(properties, WaitForProperty) {
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std::atomic<bool> flag{false};
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std::thread thread([&]() {
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std::this_thread::sleep_for(100ms);
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android::base::SetProperty("debug.libbase.WaitForProperty_test", "a");
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while (!flag) std::this_thread::yield();
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android::base::SetProperty("debug.libbase.WaitForProperty_test", "b");
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});
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ASSERT_TRUE(android::base::WaitForProperty("debug.libbase.WaitForProperty_test", "a", 1s));
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flag = true;
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ASSERT_TRUE(android::base::WaitForProperty("debug.libbase.WaitForProperty_test", "b", 1s));
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thread.join();
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}
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TEST(properties, WaitForProperty_timeout) {
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auto t0 = std::chrono::steady_clock::now();
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ASSERT_FALSE(android::base::WaitForProperty("debug.libbase.WaitForProperty_timeout_test", "a",
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200ms));
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auto t1 = std::chrono::steady_clock::now();
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ASSERT_GE(std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0), 200ms);
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// Upper bounds on timing are inherently flaky, but let's try...
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ASSERT_LT(std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0), 600ms);
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}
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TEST(properties, WaitForPropertyCreation) {
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std::thread thread([&]() {
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std::this_thread::sleep_for(100ms);
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android::base::SetProperty("debug.libbase.WaitForPropertyCreation_test", "a");
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});
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ASSERT_TRUE(android::base::WaitForPropertyCreation(
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"debug.libbase.WaitForPropertyCreation_test", 1s));
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thread.join();
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}
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TEST(properties, WaitForPropertyCreation_timeout) {
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auto t0 = std::chrono::steady_clock::now();
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ASSERT_FALSE(android::base::WaitForPropertyCreation(
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"debug.libbase.WaitForPropertyCreation_timeout_test", 200ms));
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auto t1 = std::chrono::steady_clock::now();
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ASSERT_GE(std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0), 200ms);
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// Upper bounds on timing are inherently flaky, but let's try...
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ASSERT_LT(std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0), 600ms);
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}
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