1 /*
2  * Copyright (C) 2018 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 "dex/class_accessor-inl.h"
18 
19 #include "base/common_art_test.h"
20 
21 namespace art {
22 
23 class ClassAccessorTest : public CommonArtTest {};
24 
TEST_F(ClassAccessorTest,TestVisiting)25 TEST_F(ClassAccessorTest, TestVisiting) {
26   std::vector<std::unique_ptr<const DexFile>> dex_files(
27       OpenDexFiles(GetLibCoreDexFileNames()[0].c_str()));
28   ASSERT_GT(dex_files.size(), 0u);
29   for (const std::unique_ptr<const DexFile>& dex_file : dex_files) {
30     uint32_t class_def_idx = 0u;
31     ASSERT_GT(dex_file->NumClassDefs(), 0u);
32     for (ClassAccessor accessor : dex_file->GetClasses()) {
33       const dex::ClassDef& class_def = dex_file->GetClassDef(accessor.GetClassDefIndex());
34       EXPECT_EQ(accessor.GetDescriptor(), dex_file->StringByTypeIdx(class_def.class_idx_));
35       EXPECT_EQ(class_def_idx, accessor.GetClassDefIndex());
36       ++class_def_idx;
37       // Check iterators against visitors.
38       auto methods = accessor.GetMethods();
39       auto fields = accessor.GetFields();
40       auto method_it = methods.begin();
41       auto field_it = fields.begin();
42       auto instance_fields = accessor.GetInstanceFields();
43       auto instance_field_it = instance_fields.begin();
44       accessor.VisitFieldsAndMethods(
45           // Static fields.
46           [&](const ClassAccessor::Field& field) {
47             EXPECT_TRUE(field.IsStatic());
48             EXPECT_TRUE(field_it->IsStatic());
49             EXPECT_EQ(field.GetIndex(), field_it->GetIndex());
50             EXPECT_EQ(field.GetAccessFlags(), field_it->GetAccessFlags());
51             ++field_it;
52           },
53           // Instance fields.
54           [&](const ClassAccessor::Field& field) {
55             EXPECT_FALSE(field.IsStatic());
56             EXPECT_FALSE(field_it->IsStatic());
57             EXPECT_EQ(field.GetIndex(), field_it->GetIndex());
58             EXPECT_EQ(field.GetAccessFlags(), field_it->GetAccessFlags());
59             EXPECT_EQ(field.GetIndex(), instance_field_it->GetIndex());
60             EXPECT_EQ(field.GetAccessFlags(), instance_field_it->GetAccessFlags());
61             ++field_it;
62             ++instance_field_it;
63           },
64           // Direct methods.
65           [&](const ClassAccessor::Method& method) {
66             EXPECT_TRUE(method.IsStaticOrDirect());
67             EXPECT_EQ(method.IsStaticOrDirect(), method_it->IsStaticOrDirect());
68             EXPECT_EQ(method.GetIndex(), method_it->GetIndex());
69             EXPECT_EQ(method.GetAccessFlags(), method_it->GetAccessFlags());
70             EXPECT_EQ(method.GetCodeItem(), method_it->GetCodeItem());
71             ++method_it;
72           },
73           // Virtual methods.
74           [&](const ClassAccessor::Method& method) {
75             EXPECT_FALSE(method.IsStaticOrDirect());
76             EXPECT_EQ(method.IsStaticOrDirect(), method_it->IsStaticOrDirect());
77             EXPECT_EQ(method.GetIndex(), method_it->GetIndex());
78             EXPECT_EQ(method.GetAccessFlags(), method_it->GetAccessFlags());
79             EXPECT_EQ(method.GetCodeItem(), method_it->GetCodeItem());
80             ++method_it;
81           });
82       ASSERT_TRUE(field_it == fields.end());
83       ASSERT_TRUE(method_it == methods.end());
84       ASSERT_TRUE(instance_field_it == instance_fields.end());
85     }
86     EXPECT_EQ(class_def_idx, dex_file->NumClassDefs());
87   }
88 }
89 
90 }  // namespace art
91