98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
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/*
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* Copyright (C) 2020 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 <binder/Binder.h>
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#include <binder/IInterface.h>
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#include <gtest/gtest.h>
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using android::BBinder;
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using android::IBinder;
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using android::OK;
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using android::sp;
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const void* kObjectId1 = reinterpret_cast<const void*>(1);
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const void* kObjectId2 = reinterpret_cast<const void*>(2);
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void* kObject1 = reinterpret_cast<void*>(101);
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void* kObject2 = reinterpret_cast<void*>(102);
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void* kObject3 = reinterpret_cast<void*>(103);
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TEST(Binder, AttachObject) {
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auto binder = sp<BBinder>::make();
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EXPECT_EQ(nullptr, binder->attachObject(kObjectId1, kObject1, nullptr, nullptr));
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EXPECT_EQ(nullptr, binder->attachObject(kObjectId2, kObject2, nullptr, nullptr));
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EXPECT_EQ(kObject1, binder->attachObject(kObjectId1, kObject3, nullptr, nullptr));
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}
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TEST(Binder, DetachObject) {
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auto binder = sp<BBinder>::make();
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EXPECT_EQ(nullptr, binder->attachObject(kObjectId1, kObject1, nullptr, nullptr));
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EXPECT_EQ(kObject1, binder->detachObject(kObjectId1));
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EXPECT_EQ(nullptr, binder->attachObject(kObjectId1, kObject2, nullptr, nullptr));
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}
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TEST(Binder, AttachExtension) {
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auto binder = sp<BBinder>::make();
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auto ext = sp<BBinder>::make();
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binder->setExtension(ext);
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EXPECT_EQ(ext, binder->getExtension());
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}
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struct MyCookie {
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bool* deleted;
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};
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class UniqueBinder : public BBinder {
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public:
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UniqueBinder(const void* c) : cookie(reinterpret_cast<const MyCookie*>(c)) {
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*cookie->deleted = false;
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}
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~UniqueBinder() { *cookie->deleted = true; }
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const MyCookie* cookie;
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};
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static sp<IBinder> make(const void* arg) {
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return sp<UniqueBinder>::make(arg);
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}
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TEST(Binder, LookupOrCreateWeak) {
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auto binder = sp<BBinder>::make();
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bool deleted;
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MyCookie cookie = {&deleted};
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sp<IBinder> createdBinder = binder->lookupOrCreateWeak(kObjectId1, make, &cookie);
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EXPECT_NE(binder, createdBinder);
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sp<IBinder> lookedUpBinder = binder->lookupOrCreateWeak(kObjectId1, make, &cookie);
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EXPECT_EQ(createdBinder, lookedUpBinder);
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EXPECT_FALSE(deleted);
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}
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TEST(Binder, LookupOrCreateWeakDropSp) {
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auto binder = sp<BBinder>::make();
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bool deleted1 = false;
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bool deleted2 = false;
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MyCookie cookie1 = {&deleted1};
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MyCookie cookie2 = {&deleted2};
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sp<IBinder> createdBinder = binder->lookupOrCreateWeak(kObjectId1, make, &cookie1);
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EXPECT_NE(binder, createdBinder);
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createdBinder.clear();
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EXPECT_TRUE(deleted1);
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sp<IBinder> lookedUpBinder = binder->lookupOrCreateWeak(kObjectId1, make, &cookie2);
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EXPECT_EQ(&cookie2, sp<UniqueBinder>::cast(lookedUpBinder)->cookie);
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EXPECT_FALSE(deleted2);
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}
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