flags_test.cpp
5.26 KB
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
//===-- flags_test.cpp ------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "tests/scudo_unit_test.h"
#include "flags.h"
#include "flags_parser.h"
#include <string.h>
static const char FlagName[] = "flag_name";
static const char FlagDesc[] = "flag description";
template <typename T>
static void testFlag(scudo::FlagType Type, T StartValue, const char *Env,
T FinalValue) {
scudo::FlagParser Parser;
T Flag = StartValue;
Parser.registerFlag(FlagName, FlagDesc, Type, &Flag);
Parser.parseString(Env);
EXPECT_EQ(FinalValue, Flag);
// Reporting unrecognized flags is needed to reset them.
scudo::reportUnrecognizedFlags();
}
TEST(ScudoFlagsTest, BooleanFlags) {
testFlag(scudo::FlagType::FT_bool, false, "flag_name=1", true);
testFlag(scudo::FlagType::FT_bool, false, "flag_name=yes", true);
testFlag(scudo::FlagType::FT_bool, false, "flag_name='yes'", true);
testFlag(scudo::FlagType::FT_bool, false, "flag_name=true", true);
testFlag(scudo::FlagType::FT_bool, true, "flag_name=0", false);
testFlag(scudo::FlagType::FT_bool, true, "flag_name=\"0\"", false);
testFlag(scudo::FlagType::FT_bool, true, "flag_name=no", false);
testFlag(scudo::FlagType::FT_bool, true, "flag_name=false", false);
testFlag(scudo::FlagType::FT_bool, true, "flag_name='false'", false);
}
TEST(ScudoFlagsDeathTest, BooleanFlags) {
EXPECT_DEATH(testFlag(scudo::FlagType::FT_bool, false, "flag_name", true),
"expected '='");
EXPECT_DEATH(testFlag(scudo::FlagType::FT_bool, false, "flag_name=", true),
"invalid value for bool option: ''");
EXPECT_DEATH(testFlag(scudo::FlagType::FT_bool, false, "flag_name=2", true),
"invalid value for bool option: '2'");
EXPECT_DEATH(testFlag(scudo::FlagType::FT_bool, false, "flag_name=-1", true),
"invalid value for bool option: '-1'");
EXPECT_DEATH(testFlag(scudo::FlagType::FT_bool, false, "flag_name=on", true),
"invalid value for bool option: 'on'");
}
TEST(ScudoFlagsTest, IntFlags) {
testFlag(scudo::FlagType::FT_int, -11, nullptr, -11);
testFlag(scudo::FlagType::FT_int, -11, "flag_name=0", 0);
testFlag(scudo::FlagType::FT_int, -11, "flag_name='0'", 0);
testFlag(scudo::FlagType::FT_int, -11, "flag_name=42", 42);
testFlag(scudo::FlagType::FT_int, -11, "flag_name=-42", -42);
testFlag(scudo::FlagType::FT_int, -11, "flag_name=\"-42\"", -42);
// Unrecognized flags are ignored.
testFlag(scudo::FlagType::FT_int, -11, "--flag_name=42", -11);
testFlag(scudo::FlagType::FT_int, -11, "zzzzzzz=42", -11);
}
TEST(ScudoFlagsDeathTest, IntFlags) {
EXPECT_DEATH(testFlag(scudo::FlagType::FT_int, -11, "flag_name", 0),
"expected '='");
EXPECT_DEATH(testFlag(scudo::FlagType::FT_int, -11, "flag_name=42U", 0),
"invalid value for int option");
}
static void testTwoFlags(const char *Env, bool ExpectedFlag1,
const int ExpectedFlag2, const char *Name1 = "flag1",
const char *Name2 = "flag2") {
scudo::FlagParser Parser;
bool Flag1 = !ExpectedFlag1;
int Flag2;
Parser.registerFlag(Name1, FlagDesc, scudo::FlagType::FT_bool, &Flag1);
Parser.registerFlag(Name2, FlagDesc, scudo::FlagType::FT_int, &Flag2);
Parser.parseString(Env);
EXPECT_EQ(ExpectedFlag1, Flag1);
EXPECT_EQ(Flag2, ExpectedFlag2);
// Reporting unrecognized flags is needed to reset them.
scudo::reportUnrecognizedFlags();
}
TEST(ScudoFlagsTest, MultipleFlags) {
testTwoFlags("flag1=1 flag2=42", true, 42);
testTwoFlags("flag2=-1 flag1=0", false, -1);
testTwoFlags("flag1=false:flag2=1337", false, 1337);
testTwoFlags("flag2=42:flag1=yes", true, 42);
testTwoFlags("flag2=42\nflag1=yes", true, 42);
testTwoFlags("flag2=42\r\nflag1=yes", true, 42);
testTwoFlags("flag2=42\tflag1=yes", true, 42);
}
TEST(ScudoFlagsTest, CommonSuffixFlags) {
testTwoFlags("flag=1 other_flag=42", true, 42, "flag", "other_flag");
testTwoFlags("other_flag=42 flag=1", true, 42, "flag", "other_flag");
}
TEST(ScudoFlagsTest, AllocatorFlags) {
scudo::FlagParser Parser;
scudo::Flags Flags;
scudo::registerFlags(&Parser, &Flags);
Flags.setDefaults();
Flags.dealloc_type_mismatch = false;
Flags.delete_size_mismatch = false;
Flags.quarantine_max_chunk_size = 1024;
Parser.parseString("dealloc_type_mismatch=true:delete_size_mismatch=true:"
"quarantine_max_chunk_size=2048");
EXPECT_TRUE(Flags.dealloc_type_mismatch);
EXPECT_TRUE(Flags.delete_size_mismatch);
EXPECT_EQ(2048, Flags.quarantine_max_chunk_size);
}
#ifdef GWP_ASAN_HOOKS
TEST(ScudoFlagsTest, GWPASanFlags) {
scudo::FlagParser Parser;
scudo::Flags Flags;
scudo::registerFlags(&Parser, &Flags);
Flags.setDefaults();
Flags.GWP_ASAN_Enabled = false;
Parser.parseString("GWP_ASAN_Enabled=true:GWP_ASAN_SampleRate=1:"
"GWP_ASAN_InstallSignalHandlers=false");
EXPECT_TRUE(Flags.GWP_ASAN_Enabled);
EXPECT_FALSE(Flags.GWP_ASAN_InstallSignalHandlers);
EXPECT_EQ(1, Flags.GWP_ASAN_SampleRate);
}
#endif // GWP_ASAN_HOOKS