Adds writer test case for RCU
[folly.git] / folly / experimental / logging / test / LogNameTest.cpp
1 /*
2  * Copyright 2017-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 #include <folly/experimental/logging/LogName.h>
17 #include <folly/portability/GTest.h>
18
19 using namespace folly;
20
21 TEST(LogName, canonicalize) {
22   EXPECT_EQ("", LogName::canonicalize("."));
23   EXPECT_EQ("", LogName::canonicalize("..."));
24   EXPECT_EQ("foo.bar", LogName::canonicalize(".foo..bar."));
25   EXPECT_EQ("a.b.c", LogName::canonicalize("a.b.c"));
26   EXPECT_EQ("a.b.c", LogName::canonicalize("a..b.c..."));
27   EXPECT_EQ("a.b.c", LogName::canonicalize("....a.b.c"));
28   EXPECT_EQ("a.b.c", LogName::canonicalize("a.b.c...."));
29 }
30
31 TEST(LogName, getParent) {
32   EXPECT_EQ("", LogName::getParent("foo"));
33   EXPECT_EQ("", LogName::getParent(".foo"));
34   EXPECT_EQ("foo", LogName::getParent("foo.bar"));
35   EXPECT_EQ("foo..bar", LogName::getParent("foo..bar..test"));
36   EXPECT_EQ("..foo..bar", LogName::getParent("..foo..bar..test.."));
37 }
38
39 TEST(LogName, hash) {
40   EXPECT_EQ(LogName::hash("foo"), LogName::hash("foo."));
41   EXPECT_EQ(LogName::hash(".foo..bar"), LogName::hash("foo.bar..."));
42   EXPECT_EQ(LogName::hash("a.b.c..d."), LogName::hash("..a.b.c.d."));
43   EXPECT_EQ(LogName::hash(""), LogName::hash("."));
44   EXPECT_EQ(LogName::hash(""), LogName::hash("...."));
45
46   // Hashes for different category names should generally be different.
47   // This is not strictly required.  This test is mainly to ensure that the
48   // code does not just hash all inputs to the same value.
49   EXPECT_NE(LogName::hash("foo"), LogName::hash("bar"));
50   EXPECT_NE(LogName::hash("a.b.c"), LogName::hash("abc"));
51 }
52
53 TEST(LogName, cmp) {
54   EXPECT_EQ(0, LogName::cmp("foo", "foo."));
55   EXPECT_EQ(0, LogName::cmp(".foo..bar", "foo.bar..."));
56   EXPECT_EQ(0, LogName::cmp(".foo.bar", "foo...bar..."));
57   EXPECT_EQ(0, LogName::cmp("a.b.c..d.", "..a.b.c.d."));
58   EXPECT_EQ(0, LogName::cmp("", "."));
59   EXPECT_EQ(0, LogName::cmp("", "...."));
60
61   EXPECT_GT(LogName::cmp("foo", "bar"), 0);
62   EXPECT_LT(LogName::cmp("a.b.c", "abc"), 0);
63   EXPECT_LT(LogName::cmp("a...b.c", "a.bc"), 0);
64   EXPECT_GT(LogName::cmp("a...b.z", "a.b.c"), 0);
65   EXPECT_LT(LogName::cmp(".foo.bar", "foobar..."), 0);
66   EXPECT_GT(LogName::cmp("foobar", ".foo...bar"), 0);
67 }