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1 // Copyright (c) 2009, Google Inc. | |
2 // All rights reserved. | |
3 // | |
4 // Redistribution and use in source and binary forms, with or without | |
5 // modification, are permitted provided that the following conditions are | |
6 // met: | |
7 // | |
8 // * Redistributions of source code must retain the above copyright | |
9 // notice, this list of conditions and the following disclaimer. | |
10 // * Redistributions in binary form must reproduce the above | |
11 // copyright notice, this list of conditions and the following disclaimer | |
12 // in the documentation and/or other materials provided with the | |
13 // distribution. | |
14 // * Neither the name of Google Inc. nor the names of its | |
15 // contributors may be used to endorse or promote products derived from | |
16 // this software without specific prior written permission. | |
17 // | |
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 | |
30 #include "common/linux/linux_libc_support.h" | |
31 #include "testing/gtest/include/gtest/gtest.h" | |
32 | |
33 namespace { | |
34 typedef testing::Test LinuxLibcSupportTest; | |
35 } | |
36 | |
37 TEST(LinuxLibcSupportTest, strlen) { | |
38 static const char* test_data[] = { "", "a", "aa", "aaa", "aabc", NULL }; | |
39 for (unsigned i = 0; ; ++i) { | |
40 if (!test_data[i]) | |
41 break; | |
42 ASSERT_EQ(strlen(test_data[i]), my_strlen(test_data[i])); | |
43 } | |
44 } | |
45 | |
46 TEST(LinuxLibcSupportTest, strcmp) { | |
47 static const char* test_data[] = { | |
48 "", "", | |
49 "a", "", | |
50 "", "a", | |
51 "a", "b", | |
52 "a", "a", | |
53 "ab", "aa", | |
54 "abc", "ab", | |
55 "abc", "abc", | |
56 NULL, | |
57 }; | |
58 | |
59 for (unsigned i = 0; ; ++i) { | |
60 if (!test_data[i*2]) | |
61 break; | |
62 ASSERT_EQ(my_strcmp(test_data[i*2], test_data[i*2 + 1]), | |
63 strcmp(test_data[i*2], test_data[i*2 + 1])); | |
64 } | |
65 } | |
66 | |
67 TEST(LinuxLibcSupportTest, strtoui) { | |
68 int result; | |
69 | |
70 ASSERT_FALSE(my_strtoui(&result, "")); | |
71 ASSERT_FALSE(my_strtoui(&result, "-1")); | |
72 ASSERT_FALSE(my_strtoui(&result, "-")); | |
73 ASSERT_FALSE(my_strtoui(&result, "a")); | |
74 ASSERT_FALSE(my_strtoui(&result, "23472893472938472987987398472398")); | |
75 | |
76 ASSERT_TRUE(my_strtoui(&result, "0")); | |
77 ASSERT_EQ(result, 0); | |
78 ASSERT_TRUE(my_strtoui(&result, "1")); | |
79 ASSERT_EQ(result, 1); | |
80 ASSERT_TRUE(my_strtoui(&result, "12")); | |
81 ASSERT_EQ(result, 12); | |
82 ASSERT_TRUE(my_strtoui(&result, "123")); | |
83 ASSERT_EQ(result, 123); | |
84 ASSERT_TRUE(my_strtoui(&result, "0123")); | |
85 ASSERT_EQ(result, 123); | |
86 } | |
87 | |
88 TEST(LinuxLibcSupportTest, int_len) { | |
89 ASSERT_EQ(my_int_len(0), 1); | |
90 ASSERT_EQ(my_int_len(2), 1); | |
91 ASSERT_EQ(my_int_len(5), 1); | |
92 ASSERT_EQ(my_int_len(9), 1); | |
93 ASSERT_EQ(my_int_len(10), 2); | |
94 ASSERT_EQ(my_int_len(99), 2); | |
95 ASSERT_EQ(my_int_len(100), 3); | |
96 ASSERT_EQ(my_int_len(101), 3); | |
97 ASSERT_EQ(my_int_len(1000), 4); | |
98 } | |
99 | |
100 TEST(LinuxLibcSupportTest, itos) { | |
101 char buf[10]; | |
102 | |
103 my_itos(buf, 0, 1); | |
104 ASSERT_EQ(0, memcmp(buf, "0", 1)); | |
105 | |
106 my_itos(buf, 1, 1); | |
107 ASSERT_EQ(0, memcmp(buf, "1", 1)); | |
108 | |
109 my_itos(buf, 10, 2); | |
110 ASSERT_EQ(0, memcmp(buf, "10", 2)); | |
111 | |
112 my_itos(buf, 63, 2); | |
113 ASSERT_EQ(0, memcmp(buf, "63", 2)); | |
114 | |
115 my_itos(buf, 101, 3); | |
116 ASSERT_EQ(0, memcmp(buf, "101", 2)); | |
117 } | |
118 | |
119 TEST(LinuxLibcSupportTest, strchr) { | |
120 ASSERT_EQ(NULL, my_strchr("abc", 'd')); | |
121 ASSERT_EQ(NULL, my_strchr("", 'd')); | |
122 ASSERT_EQ(NULL, my_strchr("efghi", 'd')); | |
123 | |
124 ASSERT_TRUE(my_strchr("a", 'a')); | |
125 ASSERT_TRUE(my_strchr("abc", 'a')); | |
126 ASSERT_TRUE(my_strchr("bcda", 'a')); | |
127 ASSERT_TRUE(my_strchr("sdfasdf", 'a')); | |
128 } | |
129 | |
130 TEST(LinuxLibcSupportTest, read_hex_ptr) { | |
131 uintptr_t result; | |
132 const char* last; | |
133 | |
134 last = my_read_hex_ptr(&result, ""); | |
135 ASSERT_EQ(result, 0); | |
136 ASSERT_EQ(*last, 0); | |
137 | |
138 last = my_read_hex_ptr(&result, "0"); | |
139 ASSERT_EQ(result, 0); | |
140 ASSERT_EQ(*last, 0); | |
141 | |
142 last = my_read_hex_ptr(&result, "0123"); | |
143 ASSERT_EQ(result, 0x123); | |
144 ASSERT_EQ(*last, 0); | |
145 | |
146 last = my_read_hex_ptr(&result, "0123a"); | |
147 ASSERT_EQ(result, 0x123a); | |
148 ASSERT_EQ(*last, 0); | |
149 | |
150 last = my_read_hex_ptr(&result, "0123a-"); | |
151 ASSERT_EQ(result, 0x123a); | |
152 ASSERT_EQ(*last, '-'); | |
153 } | |
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