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gerrit-public.fairphone.software / platform / art / cbcedbf9382bc773713cd3552ed96f417bf1daeb / . / runtime / cha_test.cc
blob: d2f335e951f7e89be3f7749519a4208d20d12c5b [file] [log] [blame]
Mingyao Yang063fc772016-08-02 11:02:54 -0700[diff] [blame]1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "cha.h"
18
19#include "common_runtime_test.h"
20
21namespace art {
22
23class CHATest : public CommonRuntimeTest {};
24
25// Mocks some methods.
26#define METHOD1 (reinterpret_cast<ArtMethod*>(8u))
27#define METHOD2 (reinterpret_cast<ArtMethod*>(16u))
28#define METHOD3 (reinterpret_cast<ArtMethod*>(24u))
29
30// Mocks some method headers.
31#define METHOD_HEADER1 (reinterpret_cast<OatQuickMethodHeader*>(128u))
32#define METHOD_HEADER2 (reinterpret_cast<OatQuickMethodHeader*>(136u))
33#define METHOD_HEADER3 (reinterpret_cast<OatQuickMethodHeader*>(144u))
34
35TEST_F(CHATest, CHACheckDependency) {
36 ClassHierarchyAnalysis cha;
37 MutexLock cha_mu(Thread::Current(), *Locks::cha_lock_);
38
39 ASSERT_EQ(cha.GetDependents(METHOD1), nullptr);
40 ASSERT_EQ(cha.GetDependents(METHOD2), nullptr);
41 ASSERT_EQ(cha.GetDependents(METHOD3), nullptr);
42
43 cha.AddDependency(METHOD1, METHOD2, METHOD_HEADER2);
44 ASSERT_EQ(cha.GetDependents(METHOD2), nullptr);
45 ASSERT_EQ(cha.GetDependents(METHOD3), nullptr);
46 auto dependents = cha.GetDependents(METHOD1);
47 ASSERT_EQ(dependents->size(), 1u);
48 ASSERT_EQ(dependents->at(0).first, METHOD2);
49 ASSERT_EQ(dependents->at(0).second, METHOD_HEADER2);
50
51 cha.AddDependency(METHOD1, METHOD3, METHOD_HEADER3);
52 ASSERT_EQ(cha.GetDependents(METHOD2), nullptr);
53 ASSERT_EQ(cha.GetDependents(METHOD3), nullptr);
54 dependents = cha.GetDependents(METHOD1);
55 ASSERT_EQ(dependents->size(), 2u);
56 ASSERT_EQ(dependents->at(0).first, METHOD2);
57 ASSERT_EQ(dependents->at(0).second, METHOD_HEADER2);
58 ASSERT_EQ(dependents->at(1).first, METHOD3);
59 ASSERT_EQ(dependents->at(1).second, METHOD_HEADER3);
60
61 std::unordered_set<OatQuickMethodHeader*> headers;
62 headers.insert(METHOD_HEADER2);
63 cha.RemoveDependentsWithMethodHeaders(headers);
64 ASSERT_EQ(cha.GetDependents(METHOD2), nullptr);
65 ASSERT_EQ(cha.GetDependents(METHOD3), nullptr);
66 dependents = cha.GetDependents(METHOD1);
67 ASSERT_EQ(dependents->size(), 1u);
68 ASSERT_EQ(dependents->at(0).first, METHOD3);
69 ASSERT_EQ(dependents->at(0).second, METHOD_HEADER3);
70
71 cha.AddDependency(METHOD2, METHOD1, METHOD_HEADER1);
72 ASSERT_EQ(cha.GetDependents(METHOD3), nullptr);
73 dependents = cha.GetDependents(METHOD1);
74 ASSERT_EQ(dependents->size(), 1u);
75 dependents = cha.GetDependents(METHOD2);
76 ASSERT_EQ(dependents->size(), 1u);
77
78 headers.insert(METHOD_HEADER3);
79 cha.RemoveDependentsWithMethodHeaders(headers);
80 ASSERT_EQ(cha.GetDependents(METHOD1), nullptr);
81 ASSERT_EQ(cha.GetDependents(METHOD3), nullptr);
82 dependents = cha.GetDependents(METHOD2);
83 ASSERT_EQ(dependents->size(), 1u);
84 ASSERT_EQ(dependents->at(0).first, METHOD1);
85 ASSERT_EQ(dependents->at(0).second, METHOD_HEADER1);
86
87 cha.RemoveDependencyFor(METHOD2);
88 ASSERT_EQ(cha.GetDependents(METHOD1), nullptr);
89 ASSERT_EQ(cha.GetDependents(METHOD2), nullptr);
90 ASSERT_EQ(cha.GetDependents(METHOD3), nullptr);
91}
92
93} // namespace art