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