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
|
//===-- tsan_string.cc ----------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#include "tsan_test_util.h"
#include "gtest/gtest.h"
#include <string.h>
namespace __tsan {
TEST(ThreadSanitizer, Memcpy) {
char data0[7] = {1, 2, 3, 4, 5, 6, 7};
char data[7] = {42, 42, 42, 42, 42, 42, 42};
MainThread().Memcpy(data+1, data0+1, 5);
EXPECT_EQ(data[0], 42);
EXPECT_EQ(data[1], 2);
EXPECT_EQ(data[2], 3);
EXPECT_EQ(data[3], 4);
EXPECT_EQ(data[4], 5);
EXPECT_EQ(data[5], 6);
EXPECT_EQ(data[6], 42);
MainThread().Memset(data+1, 13, 5);
EXPECT_EQ(data[0], 42);
EXPECT_EQ(data[1], 13);
EXPECT_EQ(data[2], 13);
EXPECT_EQ(data[3], 13);
EXPECT_EQ(data[4], 13);
EXPECT_EQ(data[5], 13);
EXPECT_EQ(data[6], 42);
}
TEST(ThreadSanitizer, MemcpyRace1) {
char *data = new char[10];
char *data1 = new char[10];
char *data2 = new char[10];
ScopedThread t1, t2;
t1.Memcpy(data, data1, 10);
t2.Memcpy(data, data2, 10, true);
}
TEST(ThreadSanitizer, MemcpyRace2) {
char *data = new char[10];
char *data1 = new char[10];
char *data2 = new char[10];
ScopedThread t1, t2;
t1.Memcpy(data+5, data1, 1);
t2.Memcpy(data+3, data2, 4, true);
}
TEST(ThreadSanitizer, MemcpyRace3) {
char *data = new char[10];
char *data1 = new char[10];
char *data2 = new char[10];
ScopedThread t1, t2;
t1.Memcpy(data, data1, 10);
t2.Memcpy(data1, data2, 10, true);
}
TEST(ThreadSanitizer, MemcpyStack) {
char *data = new char[10];
char *data1 = new char[10];
ScopedThread t1, t2;
t1.Memcpy(data, data1, 10);
t2.Memcpy(data, data1, 10, true);
}
TEST(ThreadSanitizer, MemsetRace1) {
char *data = new char[10];
ScopedThread t1, t2;
t1.Memset(data, 1, 10);
t2.Memset(data, 2, 10, true);
}
} // namespace __tsan
|
