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