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109 lines
3.0 KiB
109 lines
3.0 KiB
4 months ago
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/*
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* Copyright (C) 2015 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 <gtest/gtest.h>
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#include <utils/StrongPointer.h>
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#include <utils/RefBase.h>
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using namespace android;
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class SPFoo : virtual public RefBase {
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public:
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explicit SPFoo(bool* deleted_check) : mDeleted(deleted_check) {
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*mDeleted = false;
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}
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~SPFoo() {
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*mDeleted = true;
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}
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private:
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bool* mDeleted;
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};
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class SPLightFoo : virtual public VirtualLightRefBase {
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public:
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explicit SPLightFoo(bool* deleted_check) : mDeleted(deleted_check) { *mDeleted = false; }
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~SPLightFoo() { *mDeleted = true; }
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private:
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bool* mDeleted;
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};
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template <typename T>
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class StrongPointer : public ::testing::Test {};
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using RefBaseTypes = ::testing::Types<SPFoo, SPLightFoo>;
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TYPED_TEST_CASE(StrongPointer, RefBaseTypes);
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TYPED_TEST(StrongPointer, move) {
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bool isDeleted;
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sp<TypeParam> sp1 = sp<TypeParam>::make(&isDeleted);
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TypeParam* foo = sp1.get();
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ASSERT_EQ(1, foo->getStrongCount());
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{
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sp<TypeParam> sp2 = std::move(sp1);
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ASSERT_EQ(1, foo->getStrongCount()) << "std::move failed, incremented refcnt";
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ASSERT_EQ(nullptr, sp1.get()) << "std::move failed, sp1 is still valid";
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// The strong count isn't increasing, let's double check the old object
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// is properly reset and doesn't early delete
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sp1 = std::move(sp2);
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}
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ASSERT_FALSE(isDeleted) << "deleted too early! still has a reference!";
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{
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// Now let's double check it deletes on time
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sp<TypeParam> sp2 = std::move(sp1);
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}
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ASSERT_TRUE(isDeleted) << "foo was leaked!";
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}
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TYPED_TEST(StrongPointer, NullptrComparison) {
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sp<TypeParam> foo;
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ASSERT_EQ(foo, nullptr);
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ASSERT_EQ(nullptr, foo);
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}
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TYPED_TEST(StrongPointer, PointerComparison) {
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bool isDeleted;
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sp<TypeParam> foo = sp<TypeParam>::make(&isDeleted);
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ASSERT_EQ(foo.get(), foo);
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ASSERT_EQ(foo, foo.get());
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ASSERT_NE(nullptr, foo);
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ASSERT_NE(foo, nullptr);
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}
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TYPED_TEST(StrongPointer, Deleted) {
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bool isDeleted;
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sp<TypeParam> foo = sp<TypeParam>::make(&isDeleted);
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auto foo2 = sp<TypeParam>::fromExisting(foo.get());
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EXPECT_FALSE(isDeleted);
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foo = nullptr;
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EXPECT_FALSE(isDeleted);
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foo2 = nullptr;
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EXPECT_TRUE(isDeleted);
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}
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TYPED_TEST(StrongPointer, AssertStrongRefExists) {
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bool isDeleted;
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TypeParam* foo = new TypeParam(&isDeleted);
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EXPECT_DEATH(sp<TypeParam>::fromExisting(foo), "");
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delete foo;
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}
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