proxygen
HasMemberFnTraitsTest.cpp
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1 /*
2  * Copyright 2013-present Facebook, Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 /*
18  * @author: Marcelo Juchem <marcelo@fb.com>
19  */
20 
21 #include <folly/Traits.h>
22 
23 #include <folly/portability/GTest.h>
24 
25 #include <glog/logging.h>
26 
27 #include <string>
28 
29 using namespace std;
30 using namespace folly;
31 
32 FOLLY_CREATE_HAS_MEMBER_FN_TRAITS(has_test, test);
33 
34 struct Foo {
35  int test();
36  int test() const;
37  string test(const string&) const;
38 };
39 
40 struct Bar {
41  int test();
42  double test(int, long);
43  long test(int) const;
44 };
45 
46 struct Gaz {
47  void test();
48  void test() const;
49  void test() /* nolint */ volatile;
50  void test() const /* nolint */ volatile;
51 };
52 
53 struct NoCV {
54  void test();
55 };
56 
57 struct Const {
58  void test() const;
59 };
60 
61 struct Volatile {
62  void test() /* nolint */ volatile;
63 };
64 
65 struct CV {
66  void test() const /* nolint */ volatile;
67 };
68 
69 bool log_value(const char* what, bool result) {
70  LOG(INFO) << what << ": " << boolalpha << result;
71  return result;
72 }
73 
74 #define LOG_VALUE(x) log_value(#x, x)
75 
76 TEST(HasMemberFnTraits, DirectMembers) {
77  EXPECT_TRUE(LOG_VALUE((has_test<Foo, int()>::value)));
78  EXPECT_TRUE(LOG_VALUE((has_test<Foo, int() const>::value)));
79  EXPECT_FALSE(LOG_VALUE((has_test<Foo, double(int, long)>::value)));
80  EXPECT_TRUE(LOG_VALUE((has_test<Foo, string(const string&) const>::value)));
81  EXPECT_FALSE(LOG_VALUE((has_test<Foo, long(int) const>::value)));
82  EXPECT_FALSE(LOG_VALUE((has_test<Foo, string(string) const>::value)));
83 
84  EXPECT_TRUE(LOG_VALUE((has_test<Bar, int()>::value)));
85  EXPECT_FALSE(LOG_VALUE((has_test<Bar, int() const>::value)));
86  EXPECT_TRUE(LOG_VALUE((has_test<Bar, double(int, long)>::value)));
87  EXPECT_FALSE(LOG_VALUE((has_test<Bar, string(const string&) const>::value)));
88  EXPECT_TRUE(LOG_VALUE((has_test<Bar, long(int) const>::value)));
89  EXPECT_FALSE(LOG_VALUE((has_test<Bar, string(string) const>::value)));
90 
91  EXPECT_TRUE(LOG_VALUE((has_test<Gaz, void()>::value)));
92  EXPECT_TRUE(LOG_VALUE((has_test<Gaz, void() const>::value)));
93  EXPECT_TRUE(LOG_VALUE((has_test<Gaz, void() /* nolint */ volatile>::value)));
94  EXPECT_TRUE(
95  LOG_VALUE((has_test<Gaz, void() const /* nolint */ volatile>::value)));
96  EXPECT_TRUE(
97  LOG_VALUE((has_test<Gaz, void() /* nolint */ volatile const>::value)));
98 
99  EXPECT_TRUE(LOG_VALUE((has_test<NoCV, void()>::value)));
100  EXPECT_FALSE(LOG_VALUE((has_test<NoCV, void() const>::value)));
101  EXPECT_FALSE(
102  LOG_VALUE((has_test<NoCV, void() /* nolint */ volatile>::value)));
103  EXPECT_FALSE(
104  LOG_VALUE((has_test<NoCV, void() const /* nolint */ volatile>::value)));
105  EXPECT_FALSE(
106  LOG_VALUE((has_test<NoCV, void() /* nolint */ volatile const>::value)));
107 
108  EXPECT_FALSE(LOG_VALUE((has_test<Const, void()>::value)));
109  EXPECT_TRUE(LOG_VALUE((has_test<Const, void() const>::value)));
110  EXPECT_FALSE(
111  LOG_VALUE((has_test<Const, void() /* nolint */ volatile>::value)));
112  EXPECT_FALSE(
113  LOG_VALUE((has_test<Const, void() const /* nolint */ volatile>::value)));
114  EXPECT_FALSE(
115  LOG_VALUE((has_test<Const, void() /* nolint */ volatile const>::value)));
116 
117  EXPECT_FALSE(LOG_VALUE((has_test<Volatile, void()>::value)));
118  EXPECT_FALSE(LOG_VALUE((has_test<Volatile, void() const>::value)));
119  EXPECT_TRUE(
120  LOG_VALUE((has_test<Volatile, void() /* nolint */ volatile>::value)));
121  EXPECT_FALSE(LOG_VALUE(
122  (has_test<Volatile, void() const /* nolint */ volatile>::value)));
123  EXPECT_FALSE(LOG_VALUE(
124  (has_test<Volatile, void() /* nolint */ volatile const>::value)));
125 
126  EXPECT_FALSE(LOG_VALUE((has_test<CV, void()>::value)));
127  EXPECT_FALSE(LOG_VALUE((has_test<CV, void() const>::value)));
128  EXPECT_FALSE(LOG_VALUE((has_test<CV, void() /* nolint */ volatile>::value)));
129  EXPECT_TRUE(
130  LOG_VALUE((has_test<CV, void() const /* nolint */ volatile>::value)));
131  EXPECT_TRUE(
132  LOG_VALUE((has_test<CV, void() /* nolint */ volatile const>::value)));
133 }
134 
135 int main(int argc, char* argv[]) {
136  testing::InitGoogleTest(&argc, argv);
137  return RUN_ALL_TESTS();
138 }
TEST
TEST(HasMemberFnTraits, DirectMembers)
Definition: HasMemberFnTraitsTest.cpp:76
LOG_VALUE
#define LOG_VALUE(x)
Definition: HasMemberFnTraitsTest.cpp:74
RUN_ALL_TESTS
int RUN_ALL_TESTS() GTEST_MUST_USE_RESULT_
Definition: gtest.h:2232
main
int main(int argc, char *argv[])
Definition: HasMemberFnTraitsTest.cpp:135
test
static uint64_t test(std::string name, bool fc_, bool dedicated_, bool tc_, bool syncops_, uint64_t base)
Definition: FlatCombiningBenchmark.cpp:367
std
STL namespace.
folly
—— Concurrent Priority Queue Implementation ——
Definition: AtomicBitSet.h:29
FOLLY_CREATE_HAS_MEMBER_FN_TRAITS
FOLLY_CREATE_HAS_MEMBER_FN_TRAITS(has_test, test)
argv
char ** argv
Definition: SmallLocksBenchmark.cpp:430
value
static const char *const value
Definition: Conv.cpp:50
EXPECT_TRUE
#define EXPECT_TRUE(condition)
Definition: gtest.h:1859
log_value
bool log_value(const char *what, bool result)
Definition: HasMemberFnTraitsTest.cpp:69
testing::InitGoogleTest
GTEST_API_ void InitGoogleTest(int *argc, char **argv)
Definition: gtest.cc:5370
EXPECT_FALSE
#define EXPECT_FALSE(condition)
Definition: gtest.h:1862