1 // Copyright (C) 2019 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "repr/symbol/exported_symbol_set.h"
16 
17 #include "repr/ir_representation.h"
18 
19 #include <gtest/gtest.h>
20 
21 
22 namespace header_checker {
23 namespace repr {
24 
25 
TEST(ExportedSymbolSetTest,AddFunction)26 TEST(ExportedSymbolSetTest, AddFunction) {
27   ExportedSymbolSet symbols;
28   symbols.AddFunction("global", ElfSymbolIR::ElfSymbolBinding::Global);
29   symbols.AddFunction("weak", ElfSymbolIR::ElfSymbolBinding::Weak);
30 
31   const ExportedSymbolSet::FunctionMap &funcs = symbols.GetFunctions();
32 
33   ASSERT_NE(funcs.end(), funcs.find("global"));
34   EXPECT_EQ(ElfSymbolIR::ElfSymbolBinding::Global,
35             funcs.at("global").GetBinding());
36 
37   ASSERT_NE(funcs.end(), funcs.find("weak"));
38   EXPECT_EQ(ElfSymbolIR::ElfSymbolBinding::Weak,
39             funcs.at("weak").GetBinding());
40 }
41 
42 
TEST(ExportedSymbolSetTest,AddVar)43 TEST(ExportedSymbolSetTest, AddVar) {
44   ExportedSymbolSet symbols;
45   symbols.AddVar("global", ElfSymbolIR::ElfSymbolBinding::Global);
46   symbols.AddVar("weak", ElfSymbolIR::ElfSymbolBinding::Weak);
47 
48   const ExportedSymbolSet::VarMap &vars = symbols.GetVars();
49 
50   ASSERT_NE(vars.end(), vars.find("global"));
51   EXPECT_EQ(ElfSymbolIR::ElfSymbolBinding::Global,
52             vars.at("global").GetBinding());
53 
54   ASSERT_NE(vars.end(), vars.find("weak"));
55   EXPECT_EQ(ElfSymbolIR::ElfSymbolBinding::Weak,
56             vars.at("weak").GetBinding());
57 }
58 
59 
TEST(ExportedSymbolSetTest,AddGlobPattern)60 TEST(ExportedSymbolSetTest, AddGlobPattern) {
61   ExportedSymbolSet symbols;
62   symbols.AddGlobPattern("test1*");
63 
64   const ExportedSymbolSet::GlobPatternSet &globs = symbols.GetGlobPatterns();
65   ASSERT_NE(globs.end(), globs.find("test1*"));
66 }
67 
68 
TEST(ExportedSymbolSetTest,AddDemangledCppGlobPattern)69 TEST(ExportedSymbolSetTest, AddDemangledCppGlobPattern) {
70   ExportedSymbolSet symbols;
71   symbols.AddDemangledCppGlobPattern("test1*");
72 
73   const ExportedSymbolSet::GlobPatternSet &globs =
74       symbols.GetDemangledCppGlobPatterns();
75   ASSERT_NE(globs.end(), globs.find("test1*"));
76 }
77 
78 
TEST(ExportedSymbolSetTest,AddDemangledCppSymbol)79 TEST(ExportedSymbolSetTest, AddDemangledCppSymbol) {
80   ExportedSymbolSet symbols;
81   symbols.AddDemangledCppSymbol("Test::test()");
82 
83   const ExportedSymbolSet::NameSet &names = symbols.GetDemangledCppSymbols();
84   ASSERT_NE(names.end(), names.find("Test::test()"));
85 }
86 
87 
TEST(ExportedSymbolSetTest,HasSymbol)88 TEST(ExportedSymbolSetTest, HasSymbol) {
89   ExportedSymbolSet symbols;
90 
91   symbols.AddFunction("global_func", ElfSymbolIR::ElfSymbolBinding::Global);
92   symbols.AddVar("global_var", ElfSymbolIR::ElfSymbolBinding::Global);
93 
94   symbols.AddGlobPattern("test_glob1_*");
95   symbols.AddGlobPattern("test_glob2_[Aa]");
96   symbols.AddGlobPattern("test_glob3_?");
97 
98   symbols.AddDemangledCppGlobPattern("Test1::*");
99   symbols.AddDemangledCppGlobPattern("Test2::[Aa]()");
100   symbols.AddDemangledCppGlobPattern("Test3::?()");
101   symbols.AddDemangledCppSymbol("Test4::test()");
102 
103   // Test literal names
104   EXPECT_TRUE(symbols.HasSymbol("global_func"));
105   EXPECT_TRUE(symbols.HasSymbol("global_var"));
106 
107   EXPECT_FALSE(symbols.HasSymbol(""));
108   EXPECT_FALSE(symbols.HasSymbol("no_such_function"));
109 
110   // Test glob patterns
111   EXPECT_TRUE(symbols.HasSymbol("test_glob1_a"));
112   EXPECT_TRUE(symbols.HasSymbol("test_glob2_A"));
113   EXPECT_TRUE(symbols.HasSymbol("test_glob2_a"));
114   EXPECT_TRUE(symbols.HasSymbol("test_glob3_b"));
115 
116   EXPECT_FALSE(symbols.HasSymbol("test_glob2_Ax"));
117   EXPECT_FALSE(symbols.HasSymbol("test_glob2_B"));
118   EXPECT_FALSE(symbols.HasSymbol("test_glob3_Bx"));
119 
120   // Test C++ names and patterns
121   EXPECT_TRUE(symbols.HasSymbol("_ZN5Test14testEv"));
122   EXPECT_TRUE(symbols.HasSymbol("_ZN5Test21AEv"));
123   EXPECT_TRUE(symbols.HasSymbol("_ZN5Test21aEv"));
124   EXPECT_TRUE(symbols.HasSymbol("_ZN5Test31bEv"));
125   EXPECT_TRUE(symbols.HasSymbol("_ZN5Test44testEv"));
126 
127   EXPECT_FALSE(symbols.HasSymbol("_ZN5Test22AxEv"));
128   EXPECT_FALSE(symbols.HasSymbol("_ZN5Test21bEv"));
129   EXPECT_FALSE(symbols.HasSymbol("_ZN5Test32BxEv"));
130 }
131 
132 
133 }  // namespace repr
134 }  // namespace header_checker
135