1//===-- tsan_suppressions_test.cc -----------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of ThreadSanitizer (TSan), a race detector.
11//
12//===----------------------------------------------------------------------===//
13#include "tsan_suppressions.h"
14#include "tsan_rtl.h"
15#include "gtest/gtest.h"
16
17#include <string.h>
18
19namespace __tsan {
20
21TEST(Suppressions, Parse) {
22  ScopedInRtl in_rtl;
23  Suppression *supp0 = SuppressionParse(
24    "race:foo\n"
25    " 	race:bar\n"  // NOLINT
26    "race:baz	 \n"  // NOLINT
27    "# a comment\n"
28    "race:quz\n"
29  );  // NOLINT
30  Suppression *supp = supp0;
31  EXPECT_EQ(supp->type, SuppressionRace);
32  EXPECT_EQ(0, strcmp(supp->templ, "quz"));
33  supp = supp->next;
34  EXPECT_EQ(supp->type, SuppressionRace);
35  EXPECT_EQ(0, strcmp(supp->templ, "baz"));
36  supp = supp->next;
37  EXPECT_EQ(supp->type, SuppressionRace);
38  EXPECT_EQ(0, strcmp(supp->templ, "bar"));
39  supp = supp->next;
40  EXPECT_EQ(supp->type, SuppressionRace);
41  EXPECT_EQ(0, strcmp(supp->templ, "foo"));
42  supp = supp->next;
43  EXPECT_EQ((Suppression*)0, supp);
44}
45
46TEST(Suppressions, Parse2) {
47  ScopedInRtl in_rtl;
48  Suppression *supp0 = SuppressionParse(
49    "  	# first line comment\n"  // NOLINT
50    " 	race:bar 	\n"  // NOLINT
51    "race:baz* *baz\n"
52    "# a comment\n"
53    "# last line comment\n"
54  );  // NOLINT
55  Suppression *supp = supp0;
56  EXPECT_EQ(supp->type, SuppressionRace);
57  EXPECT_EQ(0, strcmp(supp->templ, "baz* *baz"));
58  supp = supp->next;
59  EXPECT_EQ(supp->type, SuppressionRace);
60  EXPECT_EQ(0, strcmp(supp->templ, "bar"));
61  supp = supp->next;
62  EXPECT_EQ((Suppression*)0, supp);
63}
64
65TEST(Suppressions, Parse3) {
66  ScopedInRtl in_rtl;
67  Suppression *supp0 = SuppressionParse(
68    "# last suppression w/o line-feed\n"
69    "race:foo\n"
70    "race:bar"
71  );  // NOLINT
72  Suppression *supp = supp0;
73  EXPECT_EQ(supp->type, SuppressionRace);
74  EXPECT_EQ(0, strcmp(supp->templ, "bar"));
75  supp = supp->next;
76  EXPECT_EQ(supp->type, SuppressionRace);
77  EXPECT_EQ(0, strcmp(supp->templ, "foo"));
78  supp = supp->next;
79  EXPECT_EQ((Suppression*)0, supp);
80}
81
82TEST(Suppressions, ParseType) {
83  ScopedInRtl in_rtl;
84  Suppression *supp0 = SuppressionParse(
85    "race:foo\n"
86    "thread:bar\n"
87    "mutex:baz\n"
88    "signal:quz\n"
89  );  // NOLINT
90  Suppression *supp = supp0;
91  EXPECT_EQ(supp->type, SuppressionSignal);
92  EXPECT_EQ(0, strcmp(supp->templ, "quz"));
93  supp = supp->next;
94  EXPECT_EQ(supp->type, SuppressionMutex);
95  EXPECT_EQ(0, strcmp(supp->templ, "baz"));
96  supp = supp->next;
97  EXPECT_EQ(supp->type, SuppressionThread);
98  EXPECT_EQ(0, strcmp(supp->templ, "bar"));
99  supp = supp->next;
100  EXPECT_EQ(supp->type, SuppressionRace);
101  EXPECT_EQ(0, strcmp(supp->templ, "foo"));
102  supp = supp->next;
103  EXPECT_EQ((Suppression*)0, supp);
104}
105
106static bool MyMatch(const char *templ, const char *func) {
107  char tmp[1024];
108  strcpy(tmp, templ);  // NOLINT
109  return SuppressionMatch(tmp, func);
110}
111
112TEST(Suppressions, Match) {
113  EXPECT_TRUE(MyMatch("foobar", "foobar"));
114  EXPECT_TRUE(MyMatch("foobar", "prefix_foobar_postfix"));
115  EXPECT_TRUE(MyMatch("*foobar*", "prefix_foobar_postfix"));
116  EXPECT_TRUE(MyMatch("foo*bar", "foo_middle_bar"));
117  EXPECT_TRUE(MyMatch("foo*bar", "foobar"));
118  EXPECT_TRUE(MyMatch("foo*bar*baz", "foo_middle_bar_another_baz"));
119  EXPECT_TRUE(MyMatch("foo*bar*baz", "foo_middle_barbaz"));
120
121  EXPECT_FALSE(MyMatch("foo", "baz"));
122  EXPECT_FALSE(MyMatch("foobarbaz", "foobar"));
123  EXPECT_FALSE(MyMatch("foobarbaz", "barbaz"));
124  EXPECT_FALSE(MyMatch("foo*bar", "foobaz"));
125  EXPECT_FALSE(MyMatch("foo*bar", "foo_baz"));
126}
127
128}  // namespace __tsan
129