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1 | // Copyright 2005, 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 | // Author: wan@google.com (Zhanyong Wan) | |
31 | // | |
32 | // Tests for the Message class. | |
33 | ||
34 | #include "gtest/gtest-message.h" | |
35 | ||
36 | #include "gtest/gtest.h" | |
37 | ||
38 | namespace { | |
39 | ||
40 | using ::testing::Message; | |
41 | ||
42 | // Tests the testing::Message class | |
43 | ||
44 | // Tests the default constructor. | |
45 | TEST(MessageTest, DefaultConstructor) { | |
46 | const Message msg; | |
47 | EXPECT_EQ("", msg.GetString()); | |
48 | } | |
49 | ||
50 | // Tests the copy constructor. | |
51 | TEST(MessageTest, CopyConstructor) { | |
52 | const Message msg1("Hello"); | |
53 | const Message msg2(msg1); | |
54 | EXPECT_EQ("Hello", msg2.GetString()); | |
55 | } | |
56 | ||
57 | // Tests constructing a Message from a C-string. | |
58 | TEST(MessageTest, ConstructsFromCString) { | |
59 | Message msg("Hello"); | |
60 | EXPECT_EQ("Hello", msg.GetString()); | |
61 | } | |
62 | ||
63 | // Tests streaming a float. | |
64 | TEST(MessageTest, StreamsFloat) { | |
65 | const std::string s = (Message() << 1.23456F << " " << 2.34567F).GetString(); | |
66 | // Both numbers should be printed with enough precision. | |
67 | EXPECT_PRED_FORMAT2(testing::IsSubstring, "1.234560", s.c_str()); | |
68 | EXPECT_PRED_FORMAT2(testing::IsSubstring, " 2.345669", s.c_str()); | |
69 | } | |
70 | ||
71 | // Tests streaming a double. | |
72 | TEST(MessageTest, StreamsDouble) { | |
73 | const std::string s = (Message() << 1260570880.4555497 << " " | |
74 | << 1260572265.1954534).GetString(); | |
75 | // Both numbers should be printed with enough precision. | |
76 | EXPECT_PRED_FORMAT2(testing::IsSubstring, "1260570880.45", s.c_str()); | |
77 | EXPECT_PRED_FORMAT2(testing::IsSubstring, " 1260572265.19", s.c_str()); | |
78 | } | |
79 | ||
80 | // Tests streaming a non-char pointer. | |
81 | TEST(MessageTest, StreamsPointer) { | |
82 | int n = 0; | |
83 | int* p = &n; | |
84 | EXPECT_NE("(null)", (Message() << p).GetString()); | |
85 | } | |
86 | ||
87 | // Tests streaming a NULL non-char pointer. | |
88 | TEST(MessageTest, StreamsNullPointer) { | |
89 | int* p = NULL; | |
90 | EXPECT_EQ("(null)", (Message() << p).GetString()); | |
91 | } | |
92 | ||
93 | // Tests streaming a C string. | |
94 | TEST(MessageTest, StreamsCString) { | |
95 | EXPECT_EQ("Foo", (Message() << "Foo").GetString()); | |
96 | } | |
97 | ||
98 | // Tests streaming a NULL C string. | |
99 | TEST(MessageTest, StreamsNullCString) { | |
100 | char* p = NULL; | |
101 | EXPECT_EQ("(null)", (Message() << p).GetString()); | |
102 | } | |
103 | ||
104 | // Tests streaming std::string. | |
105 | TEST(MessageTest, StreamsString) { | |
106 | const ::std::string str("Hello"); | |
107 | EXPECT_EQ("Hello", (Message() << str).GetString()); | |
108 | } | |
109 | ||
110 | // Tests that we can output strings containing embedded NULs. | |
111 | TEST(MessageTest, StreamsStringWithEmbeddedNUL) { | |
112 | const char char_array_with_nul[] = | |
113 | "Here's a NUL\0 and some more string"; | |
114 | const ::std::string string_with_nul(char_array_with_nul, | |
115 | sizeof(char_array_with_nul) - 1); | |
116 | EXPECT_EQ("Here's a NUL\\0 and some more string", | |
117 | (Message() << string_with_nul).GetString()); | |
118 | } | |
119 | ||
120 | // Tests streaming a NUL char. | |
121 | TEST(MessageTest, StreamsNULChar) { | |
122 | EXPECT_EQ("\\0", (Message() << '\0').GetString()); | |
123 | } | |
124 | ||
125 | // Tests streaming int. | |
126 | TEST(MessageTest, StreamsInt) { | |
127 | EXPECT_EQ("123", (Message() << 123).GetString()); | |
128 | } | |
129 | ||
130 | // Tests that basic IO manipulators (endl, ends, and flush) can be | |
131 | // streamed to Message. | |
132 | TEST(MessageTest, StreamsBasicIoManip) { | |
133 | EXPECT_EQ("Line 1.\nA NUL char \\0 in line 2.", | |
134 | (Message() << "Line 1." << std::endl | |
135 | << "A NUL char " << std::ends << std::flush | |
136 | << " in line 2.").GetString()); | |
137 | } | |
138 | ||
139 | // Tests Message::GetString() | |
140 | TEST(MessageTest, GetString) { | |
141 | Message msg; | |
142 | msg << 1 << " lamb"; | |
143 | EXPECT_EQ("1 lamb", msg.GetString()); | |
144 | } | |
145 | ||
146 | // Tests streaming a Message object to an ostream. | |
147 | TEST(MessageTest, StreamsToOStream) { | |
148 | Message msg("Hello"); | |
149 | ::std::stringstream ss; | |
150 | ss << msg; | |
151 | EXPECT_EQ("Hello", testing::internal::StringStreamToString(&ss)); | |
152 | } | |
153 | ||
154 | // Tests that a Message object doesn't take up too much stack space. | |
155 | TEST(MessageTest, DoesNotTakeUpMuchStackSpace) { | |
156 | EXPECT_LE(sizeof(Message), 16U); | |
157 | } | |
158 | ||
159 | } // namespace |