/Users/deen/code/yugabyte-db/src/yb/util/string_trim-test.cc
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1 | | // Copyright (c) YugaByte, Inc. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
4 | | // in compliance with the License. You may obtain a copy of the License at |
5 | | // |
6 | | // http://www.apache.org/licenses/LICENSE-2.0 |
7 | | // |
8 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
9 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
10 | | // or implied. See the License for the specific language governing permissions and limitations |
11 | | // under the License. |
12 | | // |
13 | | |
14 | | #include <string> |
15 | | |
16 | | #include <gtest/gtest.h> |
17 | | |
18 | | #include "yb/util/string_trim.h" |
19 | | #include "yb/util/test_macros.h" |
20 | | |
21 | | namespace yb { |
22 | | namespace util { |
23 | | |
24 | 1 | TEST(StringTrimTest, LeftTrimStr) { |
25 | 1 | ASSERT_EQ("foo ", LeftTrimStr(" \t \f \n \r \v foo ")); |
26 | 1 | ASSERT_EQ("oobar", LeftTrimStr("foobar", "fr")); |
27 | 1 | } |
28 | | |
29 | 1 | TEST(StringTrimTest, RightTrimStr) { |
30 | 1 | ASSERT_EQ(" foo", RightTrimStr(" foo\t \f \n \r \v ")); |
31 | 1 | ASSERT_EQ("fooba", RightTrimStr("foobar", "fr")); |
32 | 1 | } |
33 | | |
34 | 1 | TEST(StringTrimTest, TrimStr) { |
35 | 1 | ASSERT_EQ("foo", TrimStr(" \t \f \n \r \v foo \t \f \n \r \v ")); |
36 | 1 | ASSERT_EQ("ooba", TrimStr("foobar", "fr")); |
37 | 1 | } |
38 | | |
39 | 1 | TEST(StringTrimTest, TestApplyEagerLineContinuation) { |
40 | 1 | ASSERT_EQ(" foo bar\n baz ", ApplyEagerLineContinuation(" foo \\\n bar\n baz ")); |
41 | 1 | ASSERT_EQ(" foo bar\n baz ", ApplyEagerLineContinuation(" foo \\\n \\\n bar\n baz ")); |
42 | 1 | } |
43 | | |
44 | 1 | TEST(StringTrimTest, TestTrimLeadingSpaces) { |
45 | 1 | ASSERT_STR_EQ_VERBOSE_TRIMMED( |
46 | 1 | R"#( |
47 | 1 | This is my |
48 | 1 | |
49 | 1 | Text block |
50 | 1 | )#", |
51 | 1 | LeftShiftTextBlock(R"#( |
52 | 1 | This is my |
53 | 1 | |
54 | 1 | Text block |
55 | 1 | )#")); |
56 | 1 | } |
57 | | |
58 | 1 | TEST(StringTrimTest, TestTrimCppComments) { |
59 | 1 | ASSERT_EQ( |
60 | 1 | R"#( |
61 | 1 | Line1 |
62 | 1 | |
63 | 1 | Line2 |
64 | 1 | )#", |
65 | 1 | TrimCppComments(R"#( |
66 | 1 | Line1 // This is a comment |
67 | 1 | |
68 | 1 | Line2 // This is a comment too |
69 | 1 | )#") |
70 | 1 | ); |
71 | 1 | } |
72 | | |
73 | 1 | TEST(StringTrimTest, TrimTrailingWhitespaceFromEveryLine) { |
74 | 1 | ASSERT_EQ( |
75 | 1 | "Line1\nLine2\nLine3\n", |
76 | 1 | TrimTrailingWhitespaceFromEveryLine("Line1 \nLine2\nLine3 \n")); |
77 | 1 | ASSERT_EQ( |
78 | 1 | "Line1\nLine2\nLine3", |
79 | 1 | TrimTrailingWhitespaceFromEveryLine("Line1 \nLine2\nLine3 ")); |
80 | 1 | ASSERT_EQ( |
81 | 1 | "Line1 // Some C++ comment\nLine2\n", |
82 | 1 | TrimTrailingWhitespaceFromEveryLine("Line1 // Some C++ comment \nLine2 \n")); |
83 | 1 | ASSERT_EQ( |
84 | 1 | "Line1 // Some C++ comment\nLine2", |
85 | 1 | TrimTrailingWhitespaceFromEveryLine("Line1 // Some C++ comment \nLine2 ")); |
86 | 1 | ASSERT_EQ( |
87 | 1 | "\n Line2\nLine3\n", |
88 | 1 | TrimTrailingWhitespaceFromEveryLine("\n Line2\nLine3 \n")); |
89 | 1 | } |
90 | | |
91 | | } // namespace util |
92 | | } // namespace yb |