1 //===-- BreakpadRecordsTest.cpp ---------------------------------*- C++ -*-===//
2 //
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "Plugins/ObjectFile/Breakpad/BreakpadRecords.h"
11 #include "gtest/gtest.h"
12 
13 using namespace lldb_private;
14 using namespace lldb_private::breakpad;
15 
16 TEST(Record, classify) {
17   EXPECT_EQ(Record::Module, Record::classify("MODULE"));
18   EXPECT_EQ(Record::Info, Record::classify("INFO"));
19   EXPECT_EQ(Record::File, Record::classify("FILE"));
20   EXPECT_EQ(Record::Func, Record::classify("FUNC"));
21   EXPECT_EQ(Record::Public, Record::classify("PUBLIC"));
22   EXPECT_EQ(Record::StackCFI, Record::classify("STACK CFI"));
23 
24   // Any obviously incorrect lines will be classified as such.
25   EXPECT_EQ(llvm::None, Record::classify("STACK"));
26   EXPECT_EQ(llvm::None, Record::classify("STACK CODE_ID"));
27   EXPECT_EQ(llvm::None, Record::classify("CODE_ID"));
28 
29   // Any line which does not start with a known keyword will be classified as a
30   // line record, as those are the only ones that start without a keyword.
31   EXPECT_EQ(Record::Line, Record::classify("deadbeef"));
32   EXPECT_EQ(Record::Line, Record::classify("12"));
33 }
34 
35 TEST(ModuleRecord, parse) {
36   EXPECT_EQ(ModuleRecord(llvm::Triple::Linux, llvm::Triple::x86_64,
37                          UUID::fromData("@ABCDEFGHIJKLMNO", 16)),
38             ModuleRecord::parse(
39                 "MODULE Linux x86_64 434241404544474648494a4b4c4d4e4f0 a.out"));
40 
41   EXPECT_EQ(llvm::None, ModuleRecord::parse("MODULE"));
42   EXPECT_EQ(llvm::None, ModuleRecord::parse("MODULE Linux"));
43   EXPECT_EQ(llvm::None, ModuleRecord::parse("MODULE Linux x86_64"));
44   EXPECT_EQ(llvm::None,
45             ModuleRecord::parse("MODULE Linux x86_64 deadbeefbaadf00d"));
46 }
47 
48 TEST(InfoRecord, parse) {
49   EXPECT_EQ(InfoRecord(UUID::fromData("@ABCDEFGHIJKLMNO", 16)),
50             InfoRecord::parse("INFO CODE_ID 404142434445464748494a4b4c4d4e4f"));
51   EXPECT_EQ(InfoRecord(UUID()), InfoRecord::parse("INFO CODE_ID 47 a.exe"));
52 
53   EXPECT_EQ(llvm::None, InfoRecord::parse("INFO"));
54   EXPECT_EQ(llvm::None, InfoRecord::parse("INFO CODE_ID"));
55 }
56 
57 TEST(FileRecord, parse) {
58   EXPECT_EQ(FileRecord(47, "foo"), FileRecord::parse("FILE 47 foo"));
59   EXPECT_EQ(llvm::None, FileRecord::parse("FILE 47"));
60   EXPECT_EQ(llvm::None, FileRecord::parse("FILE"));
61   EXPECT_EQ(llvm::None, FileRecord::parse(""));
62 }
63 
64 TEST(FuncRecord, parse) {
65   EXPECT_EQ(FuncRecord(true, 0x47, 0x7, 0x8, "foo"),
66             FuncRecord::parse("FUNC m 47 7 8 foo"));
67   EXPECT_EQ(FuncRecord(false, 0x47, 0x7, 0x8, "foo"),
68             FuncRecord::parse("FUNC 47 7 8 foo"));
69 
70   EXPECT_EQ(llvm::None, FuncRecord::parse("PUBLIC 47 7 8 foo"));
71   EXPECT_EQ(llvm::None, FuncRecord::parse("FUNC 47 7 8"));
72   EXPECT_EQ(llvm::None, FuncRecord::parse("FUNC 47 7"));
73   EXPECT_EQ(llvm::None, FuncRecord::parse("FUNC 47"));
74   EXPECT_EQ(llvm::None, FuncRecord::parse("FUNC m"));
75   EXPECT_EQ(llvm::None, FuncRecord::parse("FUNC"));
76 }
77 
78 TEST(LineRecord, parse) {
79   EXPECT_EQ(LineRecord(0x47, 0x74, 47, 74), LineRecord::parse("47 74 47 74"));
80   EXPECT_EQ(llvm::None, LineRecord::parse("47 74 47"));
81   EXPECT_EQ(llvm::None, LineRecord::parse("47 74"));
82   EXPECT_EQ(llvm::None, LineRecord::parse("47"));
83   EXPECT_EQ(llvm::None, LineRecord::parse(""));
84   EXPECT_EQ(llvm::None, LineRecord::parse("FUNC"));
85 }
86 
87 TEST(PublicRecord, parse) {
88   EXPECT_EQ(PublicRecord(true, 0x47, 0x8, "foo"),
89             PublicRecord::parse("PUBLIC m 47 8 foo"));
90   EXPECT_EQ(PublicRecord(false, 0x47, 0x8, "foo"),
91             PublicRecord::parse("PUBLIC 47 8 foo"));
92 
93   EXPECT_EQ(llvm::None, PublicRecord::parse("FUNC 47 8 foo"));
94   EXPECT_EQ(llvm::None, PublicRecord::parse("PUBLIC 47 8"));
95   EXPECT_EQ(llvm::None, PublicRecord::parse("PUBLIC 47"));
96   EXPECT_EQ(llvm::None, PublicRecord::parse("PUBLIC m"));
97   EXPECT_EQ(llvm::None, PublicRecord::parse("PUBLIC"));
98 }
99 
100 TEST(StackCFIRecord, parse) {
101   EXPECT_EQ(StackCFIRecord(0x47, 0x8, ".cfa: $esp 4 + $eip: .cfa 4 - ^"),
102             StackCFIRecord::parse(
103                 "STACK CFI INIT 47 8 .cfa: $esp 4 + $eip: .cfa 4 - ^"));
104 
105   EXPECT_EQ(StackCFIRecord(0x47, 0x8, ".cfa: $esp 4 +"),
106             StackCFIRecord::parse("STACK CFI INIT 47 8 .cfa: $esp 4 +  "));
107 
108   EXPECT_EQ(StackCFIRecord(0x47, llvm::None, ".cfa: $esp 4 +"),
109             StackCFIRecord::parse("STACK CFI 47 .cfa: $esp 4 +"));
110 
111   // The validity of the register value expressions is not checked
112   EXPECT_EQ(StackCFIRecord(0x47, 0x8, ".cfa: ^ ^ ^"),
113             StackCFIRecord::parse("STACK CFI INIT 47 8 .cfa: ^ ^ ^"));
114 
115   EXPECT_EQ(llvm::None, StackCFIRecord::parse("STACK CFI INIT 47"));
116   EXPECT_EQ(llvm::None, StackCFIRecord::parse("STACK CFI INIT"));
117   EXPECT_EQ(llvm::None, StackCFIRecord::parse("STACK CFI"));
118   EXPECT_EQ(llvm::None, StackCFIRecord::parse("STACK"));
119   EXPECT_EQ(llvm::None, StackCFIRecord::parse("FILE 47 foo"));
120   EXPECT_EQ(llvm::None, StackCFIRecord::parse("42 47"));
121 }
122