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70 lines
2.6 KiB
70 lines
2.6 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 specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "Singleton_test"
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#include <dlfcn.h>
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#include <android-base/file.h>
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#include <android-base/stringprintf.h>
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#include <utils/Singleton.h>
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#include <gtest/gtest.h>
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#include "Singleton_test.h"
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namespace android {
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TEST(SingletonTest, bug35674422) {
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std::string path = android::base::GetExecutableDirectory();
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// libutils_test_singleton1.so contains the ANDROID_SINGLETON_STATIC_INSTANCE
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// definition of SingletonTestData, load it first.
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std::string lib = android::base::StringPrintf("%s/libutils_test_singleton1.so", path.c_str());
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void* handle1 = dlopen(lib.c_str(), RTLD_NOW);
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ASSERT_TRUE(handle1 != nullptr) << dlerror();
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// libutils_test_singleton2.so references SingletonTestData but should not
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// have a definition
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lib = android::base::StringPrintf("%s/libutils_test_singleton2.so", path.c_str());
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void* handle2 = dlopen(lib.c_str(), RTLD_NOW);
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ASSERT_TRUE(handle2 != nullptr) << dlerror();
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using has_fn_t = decltype(&singletonHasInstance);
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using get_fn_t = decltype(&singletonGetInstanceContents);
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using set_fn_t = decltype(&singletonSetInstanceContents);
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has_fn_t has1 = reinterpret_cast<has_fn_t>(dlsym(handle1, "singletonHasInstance"));
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ASSERT_TRUE(has1 != nullptr) << dlerror();
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has_fn_t has2 = reinterpret_cast<has_fn_t>(dlsym(handle2, "singletonHasInstance"));
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ASSERT_TRUE(has2 != nullptr) << dlerror();
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get_fn_t get1 = reinterpret_cast<get_fn_t>(dlsym(handle1, "singletonGetInstanceContents"));
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ASSERT_TRUE(get1 != nullptr) << dlerror();
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get_fn_t get2 = reinterpret_cast<get_fn_t>(dlsym(handle2, "singletonGetInstanceContents"));
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ASSERT_TRUE(get2 != nullptr) << dlerror();
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set_fn_t set1 = reinterpret_cast<set_fn_t>(dlsym(handle2, "singletonSetInstanceContents"));
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ASSERT_TRUE(set1 != nullptr) << dlerror();
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EXPECT_FALSE(has1());
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EXPECT_FALSE(has2());
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set1(12345678U);
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EXPECT_TRUE(has1());
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EXPECT_TRUE(has2());
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EXPECT_EQ(12345678U, get1());
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EXPECT_EQ(12345678U, get2());
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}
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}
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