285 lines
11 KiB
C++
285 lines
11 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include "android-base/properties.h"
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include <atomic>
|
|
#include <chrono>
|
|
#include <string>
|
|
#include <thread>
|
|
|
|
#if !defined(_WIN32)
|
|
using namespace std::literals;
|
|
#endif
|
|
|
|
TEST(properties, smoke) {
|
|
android::base::SetProperty("debug.libbase.property_test", "hello");
|
|
|
|
std::string s = android::base::GetProperty("debug.libbase.property_test", "");
|
|
ASSERT_EQ("hello", s);
|
|
|
|
android::base::SetProperty("debug.libbase.property_test", "world");
|
|
s = android::base::GetProperty("debug.libbase.property_test", "");
|
|
ASSERT_EQ("world", s);
|
|
|
|
s = android::base::GetProperty("this.property.does.not.exist", "");
|
|
ASSERT_EQ("", s);
|
|
|
|
s = android::base::GetProperty("this.property.does.not.exist", "default");
|
|
ASSERT_EQ("default", s);
|
|
}
|
|
|
|
TEST(properties, too_long) {
|
|
#if !defined(_WIN32)
|
|
if (getuid() != 0) {
|
|
GTEST_SKIP() << "Skipping test, must be run as root.";
|
|
}
|
|
#endif
|
|
// Properties have a fixed limit on the size of their value.
|
|
std::string key("debug.libbase.property_too_long");
|
|
std::string value(92, 'a');
|
|
ASSERT_FALSE(android::base::SetProperty(key, value));
|
|
ASSERT_EQ("missing", android::base::GetProperty(key, "missing"));
|
|
|
|
// Except for "ro." properties, which can have arbitrarily-long values.
|
|
key = "ro." + key + std::to_string(time(nullptr));
|
|
ASSERT_TRUE(android::base::SetProperty(key, value));
|
|
ASSERT_EQ(value, android::base::GetProperty(key, "missing"));
|
|
// ...because you can't change them.
|
|
ASSERT_FALSE(android::base::SetProperty(key, "hello"));
|
|
ASSERT_EQ(value, android::base::GetProperty(key, "missing"));
|
|
}
|
|
|
|
TEST(properties, empty_key) {
|
|
ASSERT_FALSE(android::base::SetProperty("", "hello"));
|
|
ASSERT_EQ("default", android::base::GetProperty("", "default"));
|
|
}
|
|
|
|
TEST(properties, empty_value) {
|
|
// Because you can't delete a property, people "delete" them by
|
|
// setting them to the empty string. In that case we'd want to
|
|
// keep the default value (like cutils' property_get did).
|
|
ASSERT_TRUE(android::base::SetProperty("debug.libbase.property_empty_value", ""));
|
|
ASSERT_EQ("default", android::base::GetProperty("debug.libbase.property_empty_value", "default"));
|
|
}
|
|
|
|
static void CheckGetBoolProperty(bool expected, const std::string& value, bool default_value) {
|
|
android::base::SetProperty("debug.libbase.property_test", value.c_str());
|
|
ASSERT_EQ(expected, android::base::GetBoolProperty("debug.libbase.property_test", default_value));
|
|
}
|
|
|
|
TEST(properties, GetBoolProperty_true) {
|
|
CheckGetBoolProperty(true, "1", false);
|
|
CheckGetBoolProperty(true, "y", false);
|
|
CheckGetBoolProperty(true, "yes", false);
|
|
CheckGetBoolProperty(true, "on", false);
|
|
CheckGetBoolProperty(true, "true", false);
|
|
}
|
|
|
|
TEST(properties, GetBoolProperty_false) {
|
|
CheckGetBoolProperty(false, "0", true);
|
|
CheckGetBoolProperty(false, "n", true);
|
|
CheckGetBoolProperty(false, "no", true);
|
|
CheckGetBoolProperty(false, "off", true);
|
|
CheckGetBoolProperty(false, "false", true);
|
|
}
|
|
|
|
TEST(properties, GetBoolProperty_default) {
|
|
CheckGetBoolProperty(true, "burp", true);
|
|
CheckGetBoolProperty(false, "burp", false);
|
|
}
|
|
|
|
template <typename T> void CheckGetIntProperty() {
|
|
// Positive and negative.
|
|
android::base::SetProperty("debug.libbase.property_test", "-12");
|
|
EXPECT_EQ(T(-12), android::base::GetIntProperty<T>("debug.libbase.property_test", 45));
|
|
android::base::SetProperty("debug.libbase.property_test", "12");
|
|
EXPECT_EQ(T(12), android::base::GetIntProperty<T>("debug.libbase.property_test", 45));
|
|
|
|
// Default value.
|
|
android::base::SetProperty("debug.libbase.property_test", "");
|
|
EXPECT_EQ(T(45), android::base::GetIntProperty<T>("debug.libbase.property_test", 45));
|
|
|
|
// Bounds checks.
|
|
android::base::SetProperty("debug.libbase.property_test", "0");
|
|
EXPECT_EQ(T(45), android::base::GetIntProperty<T>("debug.libbase.property_test", 45, 1, 2));
|
|
android::base::SetProperty("debug.libbase.property_test", "1");
|
|
EXPECT_EQ(T(1), android::base::GetIntProperty<T>("debug.libbase.property_test", 45, 1, 2));
|
|
android::base::SetProperty("debug.libbase.property_test", "2");
|
|
EXPECT_EQ(T(2), android::base::GetIntProperty<T>("debug.libbase.property_test", 45, 1, 2));
|
|
android::base::SetProperty("debug.libbase.property_test", "3");
|
|
EXPECT_EQ(T(45), android::base::GetIntProperty<T>("debug.libbase.property_test", 45, 1, 2));
|
|
}
|
|
|
|
template <typename T> void CheckGetUintProperty() {
|
|
// Positive.
|
|
android::base::SetProperty("debug.libbase.property_test", "12");
|
|
EXPECT_EQ(T(12), android::base::GetUintProperty<T>("debug.libbase.property_test", 45));
|
|
|
|
// Default value.
|
|
android::base::SetProperty("debug.libbase.property_test", "");
|
|
EXPECT_EQ(T(45), android::base::GetUintProperty<T>("debug.libbase.property_test", 45));
|
|
|
|
// Bounds checks.
|
|
android::base::SetProperty("debug.libbase.property_test", "12");
|
|
EXPECT_EQ(T(12), android::base::GetUintProperty<T>("debug.libbase.property_test", 33, 22));
|
|
android::base::SetProperty("debug.libbase.property_test", "12");
|
|
EXPECT_EQ(T(5), android::base::GetUintProperty<T>("debug.libbase.property_test", 5, 10));
|
|
}
|
|
|
|
TEST(properties, GetIntProperty_int8_t) { CheckGetIntProperty<int8_t>(); }
|
|
TEST(properties, GetIntProperty_int16_t) { CheckGetIntProperty<int16_t>(); }
|
|
TEST(properties, GetIntProperty_int32_t) { CheckGetIntProperty<int32_t>(); }
|
|
TEST(properties, GetIntProperty_int64_t) { CheckGetIntProperty<int64_t>(); }
|
|
|
|
TEST(properties, GetUintProperty_uint8_t) { CheckGetUintProperty<uint8_t>(); }
|
|
TEST(properties, GetUintProperty_uint16_t) { CheckGetUintProperty<uint16_t>(); }
|
|
TEST(properties, GetUintProperty_uint32_t) { CheckGetUintProperty<uint32_t>(); }
|
|
TEST(properties, GetUintProperty_uint64_t) { CheckGetUintProperty<uint64_t>(); }
|
|
|
|
TEST(properties, WaitForProperty) {
|
|
#if defined(__BIONIC__)
|
|
std::atomic<bool> flag{false};
|
|
std::thread thread([&]() {
|
|
std::this_thread::sleep_for(100ms);
|
|
android::base::SetProperty("debug.libbase.WaitForProperty_test", "a");
|
|
while (!flag) std::this_thread::yield();
|
|
android::base::SetProperty("debug.libbase.WaitForProperty_test", "b");
|
|
});
|
|
|
|
ASSERT_TRUE(android::base::WaitForProperty("debug.libbase.WaitForProperty_test", "a", 1s));
|
|
flag = true;
|
|
ASSERT_TRUE(android::base::WaitForProperty("debug.libbase.WaitForProperty_test", "b", 1s));
|
|
thread.join();
|
|
#else
|
|
GTEST_LOG_(INFO) << "This test does nothing on the host.\n";
|
|
#endif
|
|
}
|
|
|
|
TEST(properties, WaitForProperty_timeout) {
|
|
#if defined(__BIONIC__)
|
|
auto t0 = std::chrono::steady_clock::now();
|
|
ASSERT_FALSE(android::base::WaitForProperty("debug.libbase.WaitForProperty_timeout_test", "a",
|
|
200ms));
|
|
auto t1 = std::chrono::steady_clock::now();
|
|
|
|
ASSERT_GE(std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0), 200ms);
|
|
// Upper bounds on timing are inherently flaky, but let's try...
|
|
ASSERT_LT(std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0), 600ms);
|
|
#else
|
|
GTEST_LOG_(INFO) << "This test does nothing on the host.\n";
|
|
#endif
|
|
}
|
|
|
|
TEST(properties, WaitForProperty_MaxTimeout) {
|
|
#if defined(__BIONIC__)
|
|
std::atomic<bool> flag{false};
|
|
std::thread thread([&]() {
|
|
android::base::SetProperty("debug.libbase.WaitForProperty_test", "a");
|
|
while (!flag) std::this_thread::yield();
|
|
std::this_thread::sleep_for(500ms);
|
|
android::base::SetProperty("debug.libbase.WaitForProperty_test", "b");
|
|
});
|
|
|
|
ASSERT_TRUE(android::base::WaitForProperty("debug.libbase.WaitForProperty_test", "a", 1s));
|
|
flag = true;
|
|
// Test that this does not immediately return false due to overflow issues with the timeout.
|
|
ASSERT_TRUE(android::base::WaitForProperty("debug.libbase.WaitForProperty_test", "b"));
|
|
thread.join();
|
|
#else
|
|
GTEST_LOG_(INFO) << "This test does nothing on the host.\n";
|
|
#endif
|
|
}
|
|
|
|
TEST(properties, WaitForProperty_NegativeTimeout) {
|
|
#if defined(__BIONIC__)
|
|
std::atomic<bool> flag{false};
|
|
std::thread thread([&]() {
|
|
android::base::SetProperty("debug.libbase.WaitForProperty_test", "a");
|
|
while (!flag) std::this_thread::yield();
|
|
std::this_thread::sleep_for(500ms);
|
|
android::base::SetProperty("debug.libbase.WaitForProperty_test", "b");
|
|
});
|
|
|
|
ASSERT_TRUE(android::base::WaitForProperty("debug.libbase.WaitForProperty_test", "a", 1s));
|
|
flag = true;
|
|
// Assert that this immediately returns with a negative timeout
|
|
ASSERT_FALSE(android::base::WaitForProperty("debug.libbase.WaitForProperty_test", "b", -100ms));
|
|
thread.join();
|
|
#else
|
|
GTEST_LOG_(INFO) << "This test does nothing on the host.\n";
|
|
#endif
|
|
}
|
|
|
|
TEST(properties, WaitForPropertyCreation) {
|
|
#if defined(__BIONIC__)
|
|
std::thread thread([&]() {
|
|
std::this_thread::sleep_for(100ms);
|
|
android::base::SetProperty("debug.libbase.WaitForPropertyCreation_test", "a");
|
|
});
|
|
|
|
ASSERT_TRUE(android::base::WaitForPropertyCreation(
|
|
"debug.libbase.WaitForPropertyCreation_test", 1s));
|
|
thread.join();
|
|
#else
|
|
GTEST_LOG_(INFO) << "This test does nothing on the host.\n";
|
|
#endif
|
|
}
|
|
|
|
TEST(properties, WaitForPropertyCreation_timeout) {
|
|
#if defined(__BIONIC__)
|
|
auto t0 = std::chrono::steady_clock::now();
|
|
ASSERT_FALSE(android::base::WaitForPropertyCreation(
|
|
"debug.libbase.WaitForPropertyCreation_timeout_test", 200ms));
|
|
auto t1 = std::chrono::steady_clock::now();
|
|
|
|
ASSERT_GE(std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0), 200ms);
|
|
// Upper bounds on timing are inherently flaky, but let's try...
|
|
ASSERT_LT(std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0), 600ms);
|
|
#else
|
|
GTEST_LOG_(INFO) << "This test does nothing on the host.\n";
|
|
#endif
|
|
}
|
|
|
|
TEST(properties, CachedProperty) {
|
|
#if defined(__BIONIC__)
|
|
android::base::CachedProperty cached_property("debug.libbase.CachedProperty_test");
|
|
bool changed;
|
|
cached_property.Get(&changed);
|
|
|
|
android::base::SetProperty("debug.libbase.CachedProperty_test", "foo");
|
|
ASSERT_STREQ("foo", cached_property.Get(&changed));
|
|
ASSERT_TRUE(changed);
|
|
|
|
ASSERT_STREQ("foo", cached_property.Get(&changed));
|
|
ASSERT_FALSE(changed);
|
|
|
|
android::base::SetProperty("debug.libbase.CachedProperty_test", "bar");
|
|
ASSERT_STREQ("bar", cached_property.Get(&changed));
|
|
ASSERT_TRUE(changed);
|
|
|
|
ASSERT_STREQ("bar", cached_property.Get(&changed));
|
|
ASSERT_FALSE(changed);
|
|
|
|
#else
|
|
GTEST_LOG_(INFO) << "This test does nothing on the host.\n";
|
|
#endif
|
|
}
|