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94 lines
3.4 KiB
94 lines
3.4 KiB
4 months ago
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/*
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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 "cha.h"
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#include "common_runtime_test.h"
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namespace art {
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class CHATest : public CommonRuntimeTest {};
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// Mocks some methods.
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#define METHOD1 (reinterpret_cast<ArtMethod*>(8u))
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#define METHOD2 (reinterpret_cast<ArtMethod*>(16u))
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#define METHOD3 (reinterpret_cast<ArtMethod*>(24u))
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// Mocks some method headers.
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#define METHOD_HEADER1 (reinterpret_cast<OatQuickMethodHeader*>(128u))
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#define METHOD_HEADER2 (reinterpret_cast<OatQuickMethodHeader*>(136u))
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#define METHOD_HEADER3 (reinterpret_cast<OatQuickMethodHeader*>(144u))
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TEST_F(CHATest, CHACheckDependency) {
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ClassHierarchyAnalysis cha;
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MutexLock cha_mu(Thread::Current(), *Locks::cha_lock_);
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ASSERT_TRUE(cha.GetDependents(METHOD1).empty());
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ASSERT_TRUE(cha.GetDependents(METHOD2).empty());
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ASSERT_TRUE(cha.GetDependents(METHOD3).empty());
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cha.AddDependency(METHOD1, METHOD2, METHOD_HEADER2);
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ASSERT_TRUE(cha.GetDependents(METHOD2).empty());
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ASSERT_TRUE(cha.GetDependents(METHOD3).empty());
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auto dependents = cha.GetDependents(METHOD1);
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ASSERT_EQ(dependents.size(), 1u);
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ASSERT_EQ(dependents[0].first, METHOD2);
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ASSERT_EQ(dependents[0].second, METHOD_HEADER2);
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cha.AddDependency(METHOD1, METHOD3, METHOD_HEADER3);
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ASSERT_TRUE(cha.GetDependents(METHOD2).empty());
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ASSERT_TRUE(cha.GetDependents(METHOD3).empty());
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dependents = cha.GetDependents(METHOD1);
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ASSERT_EQ(dependents.size(), 2u);
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ASSERT_EQ(dependents[0].first, METHOD2);
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ASSERT_EQ(dependents[0].second, METHOD_HEADER2);
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ASSERT_EQ(dependents[1].first, METHOD3);
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ASSERT_EQ(dependents[1].second, METHOD_HEADER3);
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std::unordered_set<OatQuickMethodHeader*> headers;
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headers.insert(METHOD_HEADER2);
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cha.RemoveDependentsWithMethodHeaders(headers);
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ASSERT_TRUE(cha.GetDependents(METHOD2).empty());
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ASSERT_TRUE(cha.GetDependents(METHOD3).empty());
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dependents = cha.GetDependents(METHOD1);
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ASSERT_EQ(dependents.size(), 1u);
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ASSERT_EQ(dependents[0].first, METHOD3);
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ASSERT_EQ(dependents[0].second, METHOD_HEADER3);
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cha.AddDependency(METHOD2, METHOD1, METHOD_HEADER1);
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ASSERT_TRUE(cha.GetDependents(METHOD3).empty());
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dependents = cha.GetDependents(METHOD1);
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ASSERT_EQ(dependents.size(), 1u);
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dependents = cha.GetDependents(METHOD2);
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ASSERT_EQ(dependents.size(), 1u);
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headers.insert(METHOD_HEADER3);
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cha.RemoveDependentsWithMethodHeaders(headers);
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ASSERT_TRUE(cha.GetDependents(METHOD1).empty());
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ASSERT_TRUE(cha.GetDependents(METHOD3).empty());
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dependents = cha.GetDependents(METHOD2);
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ASSERT_EQ(dependents.size(), 1u);
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ASSERT_EQ(dependents[0].first, METHOD1);
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ASSERT_EQ(dependents[0].second, METHOD_HEADER1);
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cha.RemoveAllDependenciesFor(METHOD2);
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ASSERT_TRUE(cha.GetDependents(METHOD1).empty());
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ASSERT_TRUE(cha.GetDependents(METHOD2).empty());
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ASSERT_TRUE(cha.GetDependents(METHOD3).empty());
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}
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} // namespace art
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