1 /*
2  * libjingle
3  * Copyright 2004--2011, Google Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  *  1. Redistributions of source code must retain the above copyright notice,
9  *     this list of conditions and the following disclaimer.
10  *  2. Redistributions in binary form must reproduce the above copyright notice,
11  *     this list of conditions and the following disclaimer in the documentation
12  *     and/or other materials provided with the distribution.
13  *  3. The name of the author may not be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include "talk/base/gunit.h"
29 #include "talk/base/stringutils.h"
30 #include "talk/base/common.h"
31 
32 namespace talk_base {
33 
34 // Tests for string_match().
35 
TEST(string_matchTest,Matches)36 TEST(string_matchTest, Matches) {
37   EXPECT_TRUE( string_match("A.B.C.D", "a.b.c.d"));
38   EXPECT_TRUE( string_match("www.TEST.GOOGLE.COM", "www.*.com"));
39   EXPECT_TRUE( string_match("127.0.0.1",  "12*.0.*1"));
40   EXPECT_TRUE( string_match("127.1.0.21", "12*.0.*1"));
41   EXPECT_FALSE(string_match("127.0.0.0",  "12*.0.*1"));
42   EXPECT_FALSE(string_match("127.0.0.0",  "12*.0.*1"));
43   EXPECT_FALSE(string_match("127.1.1.21", "12*.0.*1"));
44 }
45 
46 // It's not clear if we will ever use wchar_t strings on unix.  In theory,
47 // all strings should be Utf8 all the time, except when interfacing with Win32
48 // APIs that require Utf16.
49 
50 #ifdef WIN32
51 
52 // Tests for ascii_string_compare().
53 
54 // Tests NULL input.
TEST(ascii_string_compareTest,NullInput)55 TEST(ascii_string_compareTest, NullInput) {
56   // The following results in an access violation in
57   // ascii_string_compare.  Is this a bug or by design?  stringutils.h
58   // should document the expected behavior in this case.
59 
60   // EXPECT_EQ(0, ascii_string_compare(NULL, NULL, 1, identity));
61 }
62 
63 // Tests comparing two strings of different lengths.
TEST(ascii_string_compareTest,DifferentLengths)64 TEST(ascii_string_compareTest, DifferentLengths) {
65   EXPECT_EQ(-1, ascii_string_compare(L"Test", "Test1", 5, identity));
66 }
67 
68 // Tests the case where the buffer size is smaller than the string
69 // lengths.
TEST(ascii_string_compareTest,SmallBuffer)70 TEST(ascii_string_compareTest, SmallBuffer) {
71   EXPECT_EQ(0, ascii_string_compare(L"Test", "Test1", 3, identity));
72 }
73 
74 // Tests the case where the buffer is not full.
TEST(ascii_string_compareTest,LargeBuffer)75 TEST(ascii_string_compareTest, LargeBuffer) {
76   EXPECT_EQ(0, ascii_string_compare(L"Test", "Test", 10, identity));
77 }
78 
79 // Tests comparing two eqaul strings.
TEST(ascii_string_compareTest,Equal)80 TEST(ascii_string_compareTest, Equal) {
81   EXPECT_EQ(0, ascii_string_compare(L"Test", "Test", 5, identity));
82   EXPECT_EQ(0, ascii_string_compare(L"TeSt", "tEsT", 5, tolowercase));
83 }
84 
85 // Tests comparing a smller string to a larger one.
TEST(ascii_string_compareTest,LessThan)86 TEST(ascii_string_compareTest, LessThan) {
87   EXPECT_EQ(-1, ascii_string_compare(L"abc", "abd", 4, identity));
88   EXPECT_EQ(-1, ascii_string_compare(L"ABC", "abD", 5, tolowercase));
89 }
90 
91 // Tests comparing a larger string to a smaller one.
TEST(ascii_string_compareTest,GreaterThan)92 TEST(ascii_string_compareTest, GreaterThan) {
93   EXPECT_EQ(1, ascii_string_compare(L"xyz", "xy", 5, identity));
94   EXPECT_EQ(1, ascii_string_compare(L"abc", "ABB", 5, tolowercase));
95 }
96 #endif  // WIN32
97 
TEST(string_trim_Test,Trimming)98 TEST(string_trim_Test, Trimming) {
99   EXPECT_EQ("temp", string_trim("\n\r\t temp \n\r\t"));
100   EXPECT_EQ("temp\n\r\t temp", string_trim(" temp\n\r\t temp "));
101   EXPECT_EQ("temp temp", string_trim("temp temp"));
102   EXPECT_EQ("", string_trim(" \r\n\t"));
103   EXPECT_EQ("", string_trim(""));
104 }
105 
TEST(string_startsTest,StartsWith)106 TEST(string_startsTest, StartsWith) {
107   EXPECT_TRUE(starts_with("foobar", "foo"));
108   EXPECT_TRUE(starts_with("foobar", "foobar"));
109   EXPECT_TRUE(starts_with("foobar", ""));
110   EXPECT_TRUE(starts_with("", ""));
111   EXPECT_FALSE(starts_with("foobar", "bar"));
112   EXPECT_FALSE(starts_with("foobar", "foobarbaz"));
113   EXPECT_FALSE(starts_with("", "f"));
114 }
115 
TEST(string_endsTest,EndsWith)116 TEST(string_endsTest, EndsWith) {
117   EXPECT_TRUE(ends_with("foobar", "bar"));
118   EXPECT_TRUE(ends_with("foobar", "foobar"));
119   EXPECT_TRUE(ends_with("foobar", ""));
120   EXPECT_TRUE(ends_with("", ""));
121   EXPECT_FALSE(ends_with("foobar", "foo"));
122   EXPECT_FALSE(ends_with("foobar", "foobarbaz"));
123   EXPECT_FALSE(ends_with("", "f"));
124 }
125 
126 } // namespace talk_base
127