1 /*
2  * Copyright (C) 2015 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 "test_dex_file_builder.h"
18 
19 #include "dex/dex_file-inl.h"
20 #include "gtest/gtest.h"
21 
22 namespace art {
23 
TEST(TestDexFileBuilderTest,SimpleTest)24 TEST(TestDexFileBuilderTest, SimpleTest) {
25   TestDexFileBuilder builder;
26   builder.AddString("Arbitrary string");
27   builder.AddType("Ljava/lang/Class;");
28   builder.AddField("LTestClass;", "[I", "intField");
29   builder.AddMethod("LTestClass;", "()I", "foo");
30   builder.AddMethod("LTestClass;", "(Ljava/lang/Object;[Ljava/lang/Object;)LTestClass;", "bar");
31   const char* dex_location = "TestDexFileBuilder/SimpleTest";
32   std::unique_ptr<const DexFile> dex_file(builder.Build(dex_location));
33   ASSERT_TRUE(dex_file != nullptr);
34   EXPECT_STREQ(dex_location, dex_file->GetLocation().c_str());
35 
36   static const char* const expected_strings[] = {
37       "Arbitrary string",
38       "I",
39       "LLL",  // shorty
40       "LTestClass;",
41       "Ljava/lang/Class;",
42       "Ljava/lang/Object;",
43       "[I",
44       "[Ljava/lang/Object;",
45       "bar",
46       "foo",
47       "intField",
48   };
49   ASSERT_EQ(arraysize(expected_strings), dex_file->NumStringIds());
50   for (size_t i = 0; i != arraysize(expected_strings); ++i) {
51     EXPECT_STREQ(expected_strings[i],
52                  dex_file->GetStringData(dex_file->GetStringId(dex::StringIndex(i)))) << i;
53   }
54 
55   static const char* const expected_types[] = {
56       "I",
57       "LTestClass;",
58       "Ljava/lang/Class;",
59       "Ljava/lang/Object;",
60       "[I",
61       "[Ljava/lang/Object;",
62   };
63   ASSERT_EQ(arraysize(expected_types), dex_file->NumTypeIds());
64   for (size_t i = 0; i != arraysize(expected_types); ++i) {
65     EXPECT_STREQ(expected_types[i],
66                  dex_file->GetTypeDescriptor(dex_file->GetTypeId(dex::TypeIndex(i)))) << i;
67   }
68 
69   ASSERT_EQ(1u, dex_file->NumFieldIds());
70   EXPECT_STREQ("[I TestClass.intField", dex_file->PrettyField(0u).c_str());
71 
72   ASSERT_EQ(2u, dex_file->NumProtoIds());
73   ASSERT_EQ(2u, dex_file->NumMethodIds());
74   EXPECT_STREQ("TestClass TestClass.bar(java.lang.Object, java.lang.Object[])",
75                dex_file->PrettyMethod(0u).c_str());
76   EXPECT_STREQ("int TestClass.foo()",
77                dex_file->PrettyMethod(1u).c_str());
78 
79   EXPECT_EQ(0u, builder.GetStringIdx("Arbitrary string"));
80   EXPECT_EQ(2u, builder.GetTypeIdx("Ljava/lang/Class;"));
81   EXPECT_EQ(0u, builder.GetFieldIdx("LTestClass;", "[I", "intField"));
82   EXPECT_EQ(1u, builder.GetMethodIdx("LTestClass;", "()I", "foo"));
83   EXPECT_EQ(0u, builder.GetMethodIdx("LTestClass;", "(Ljava/lang/Object;[Ljava/lang/Object;)LTestClass;", "bar"));
84 }
85 
86 }  // namespace art
87