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 (at) 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 using ::testing::internal::StrStream; 42 43 // A helper function that turns a Message into a C string. 44 const char* ToCString(const Message& msg) { 45 static testing::internal::String result; 46 result = msg.GetString(); 47 return result.c_str(); 48 } 49 50 // Tests the testing::Message class 51 52 // Tests the default constructor. 53 TEST(MessageTest, DefaultConstructor) { 54 const Message msg; 55 EXPECT_STREQ("", ToCString(msg)); 56 } 57 58 // Tests the copy constructor. 59 TEST(MessageTest, CopyConstructor) { 60 const Message msg1("Hello"); 61 const Message msg2(msg1); 62 EXPECT_STREQ("Hello", ToCString(msg2)); 63 } 64 65 // Tests constructing a Message from a C-string. 66 TEST(MessageTest, ConstructsFromCString) { 67 Message msg("Hello"); 68 EXPECT_STREQ("Hello", ToCString(msg)); 69 } 70 71 // Tests streaming a non-char pointer. 72 TEST(MessageTest, StreamsPointer) { 73 int n = 0; 74 int* p = &n; 75 EXPECT_STRNE("(null)", ToCString(Message() << p)); 76 } 77 78 // Tests streaming a NULL non-char pointer. 79 TEST(MessageTest, StreamsNullPointer) { 80 int* p = NULL; 81 EXPECT_STREQ("(null)", ToCString(Message() << p)); 82 } 83 84 // Tests streaming a C string. 85 TEST(MessageTest, StreamsCString) { 86 EXPECT_STREQ("Foo", ToCString(Message() << "Foo")); 87 } 88 89 // Tests streaming a NULL C string. 90 TEST(MessageTest, StreamsNullCString) { 91 char* p = NULL; 92 EXPECT_STREQ("(null)", ToCString(Message() << p)); 93 } 94 95 #if GTEST_HAS_STD_STRING 96 97 // Tests streaming std::string. 98 // 99 // As std::string has problem in MSVC when exception is disabled, we only 100 // test this where std::string can be used. 101 TEST(MessageTest, StreamsString) { 102 const ::std::string str("Hello"); 103 EXPECT_STREQ("Hello", ToCString(Message() << str)); 104 } 105 106 // Tests that we can output strings containing embedded NULs. 107 TEST(MessageTest, StreamsStringWithEmbeddedNUL) { 108 const char char_array_with_nul[] = 109 "Here's a NUL\0 and some more string"; 110 const ::std::string string_with_nul(char_array_with_nul, 111 sizeof(char_array_with_nul) - 1); 112 EXPECT_STREQ("Here's a NUL\\0 and some more string", 113 ToCString(Message() << string_with_nul)); 114 } 115 116 #endif // GTEST_HAS_STD_STRING 117 118 // Tests streaming a NUL char. 119 TEST(MessageTest, StreamsNULChar) { 120 EXPECT_STREQ("\\0", ToCString(Message() << '\0')); 121 } 122 123 // Tests streaming int. 124 TEST(MessageTest, StreamsInt) { 125 EXPECT_STREQ("123", ToCString(Message() << 123)); 126 } 127 128 // Tests that basic IO manipulators (endl, ends, and flush) can be 129 // streamed to Message. 130 TEST(MessageTest, StreamsBasicIoManip) { 131 EXPECT_STREQ("Line 1.\nA NUL char \\0 in line 2.", 132 ToCString(Message() << "Line 1." << std::endl 133 << "A NUL char " << std::ends << std::flush 134 << " in line 2.")); 135 } 136 137 // Tests Message::GetString() 138 TEST(MessageTest, GetString) { 139 Message msg; 140 msg << 1 << " lamb"; 141 EXPECT_STREQ("1 lamb", msg.GetString().c_str()); 142 } 143 144 // Tests streaming a Message object to an ostream. 145 TEST(MessageTest, StreamsToOStream) { 146 Message msg("Hello"); 147 StrStream ss; 148 ss << msg; 149 EXPECT_STREQ("Hello", testing::internal::StrStreamToString(&ss).c_str()); 150 } 151 152 // Tests that a Message object doesn't take up too much stack space. 153 TEST(MessageTest, DoesNotTakeUpMuchStackSpace) { 154 EXPECT_LE(sizeof(Message), 16U); 155 } 156 157 } // namespace 158