michael@0: // Copyright 2005, Google Inc.
michael@0: // All rights reserved.
michael@0: //
michael@0: // Redistribution and use in source and binary forms, with or without
michael@0: // modification, are permitted provided that the following conditions are
michael@0: // met:
michael@0: //
michael@0: //     * Redistributions of source code must retain the above copyright
michael@0: // notice, this list of conditions and the following disclaimer.
michael@0: //     * Redistributions in binary form must reproduce the above
michael@0: // copyright notice, this list of conditions and the following disclaimer
michael@0: // in the documentation and/or other materials provided with the
michael@0: // distribution.
michael@0: //     * Neither the name of Google Inc. nor the names of its
michael@0: // contributors may be used to endorse or promote products derived from
michael@0: // this software without specific prior written permission.
michael@0: //
michael@0: // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0: // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0: // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0: // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0: // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0: // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0: // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0: // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0: // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0: // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0: // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: //
michael@0: // Author: wan@google.com (Zhanyong Wan)
michael@0: //
michael@0: // Tests for the Message class.
michael@0: 
michael@0: #include "gtest/gtest-message.h"
michael@0: 
michael@0: #include "gtest/gtest.h"
michael@0: 
michael@0: namespace {
michael@0: 
michael@0: using ::testing::Message;
michael@0: 
michael@0: // A helper function that turns a Message into a C string.
michael@0: const char* ToCString(const Message& msg) {
michael@0:   static testing::internal::String result;
michael@0:   result = msg.GetString();
michael@0:   return result.c_str();
michael@0: }
michael@0: 
michael@0: // Tests the testing::Message class
michael@0: 
michael@0: // Tests the default constructor.
michael@0: TEST(MessageTest, DefaultConstructor) {
michael@0:   const Message msg;
michael@0:   EXPECT_STREQ("", ToCString(msg));
michael@0: }
michael@0: 
michael@0: // Tests the copy constructor.
michael@0: TEST(MessageTest, CopyConstructor) {
michael@0:   const Message msg1("Hello");
michael@0:   const Message msg2(msg1);
michael@0:   EXPECT_STREQ("Hello", ToCString(msg2));
michael@0: }
michael@0: 
michael@0: // Tests constructing a Message from a C-string.
michael@0: TEST(MessageTest, ConstructsFromCString) {
michael@0:   Message msg("Hello");
michael@0:   EXPECT_STREQ("Hello", ToCString(msg));
michael@0: }
michael@0: 
michael@0: // Tests streaming a float.
michael@0: TEST(MessageTest, StreamsFloat) {
michael@0:   const char* const s = ToCString(Message() << 1.23456F << " " << 2.34567F);
michael@0:   // Both numbers should be printed with enough precision.
michael@0:   EXPECT_PRED_FORMAT2(testing::IsSubstring, "1.234560", s);
michael@0:   EXPECT_PRED_FORMAT2(testing::IsSubstring, " 2.345669", s);
michael@0: }
michael@0: 
michael@0: // Tests streaming a double.
michael@0: TEST(MessageTest, StreamsDouble) {
michael@0:   const char* const s = ToCString(Message() << 1260570880.4555497 << " "
michael@0:                                   << 1260572265.1954534);
michael@0:   // Both numbers should be printed with enough precision.
michael@0:   EXPECT_PRED_FORMAT2(testing::IsSubstring, "1260570880.45", s);
michael@0:   EXPECT_PRED_FORMAT2(testing::IsSubstring, " 1260572265.19", s);
michael@0: }
michael@0: 
michael@0: // Tests streaming a non-char pointer.
michael@0: TEST(MessageTest, StreamsPointer) {
michael@0:   int n = 0;
michael@0:   int* p = &n;
michael@0:   EXPECT_STRNE("(null)", ToCString(Message() << p));
michael@0: }
michael@0: 
michael@0: // Tests streaming a NULL non-char pointer.
michael@0: TEST(MessageTest, StreamsNullPointer) {
michael@0:   int* p = NULL;
michael@0:   EXPECT_STREQ("(null)", ToCString(Message() << p));
michael@0: }
michael@0: 
michael@0: // Tests streaming a C string.
michael@0: TEST(MessageTest, StreamsCString) {
michael@0:   EXPECT_STREQ("Foo", ToCString(Message() << "Foo"));
michael@0: }
michael@0: 
michael@0: // Tests streaming a NULL C string.
michael@0: TEST(MessageTest, StreamsNullCString) {
michael@0:   char* p = NULL;
michael@0:   EXPECT_STREQ("(null)", ToCString(Message() << p));
michael@0: }
michael@0: 
michael@0: // Tests streaming std::string.
michael@0: TEST(MessageTest, StreamsString) {
michael@0:   const ::std::string str("Hello");
michael@0:   EXPECT_STREQ("Hello", ToCString(Message() << str));
michael@0: }
michael@0: 
michael@0: // Tests that we can output strings containing embedded NULs.
michael@0: TEST(MessageTest, StreamsStringWithEmbeddedNUL) {
michael@0:   const char char_array_with_nul[] =
michael@0:       "Here's a NUL\0 and some more string";
michael@0:   const ::std::string string_with_nul(char_array_with_nul,
michael@0:                                       sizeof(char_array_with_nul) - 1);
michael@0:   EXPECT_STREQ("Here's a NUL\\0 and some more string",
michael@0:                ToCString(Message() << string_with_nul));
michael@0: }
michael@0: 
michael@0: // Tests streaming a NUL char.
michael@0: TEST(MessageTest, StreamsNULChar) {
michael@0:   EXPECT_STREQ("\\0", ToCString(Message() << '\0'));
michael@0: }
michael@0: 
michael@0: // Tests streaming int.
michael@0: TEST(MessageTest, StreamsInt) {
michael@0:   EXPECT_STREQ("123", ToCString(Message() << 123));
michael@0: }
michael@0: 
michael@0: // Tests that basic IO manipulators (endl, ends, and flush) can be
michael@0: // streamed to Message.
michael@0: TEST(MessageTest, StreamsBasicIoManip) {
michael@0:   EXPECT_STREQ("Line 1.\nA NUL char \\0 in line 2.",
michael@0:                ToCString(Message() << "Line 1." << std::endl
michael@0:                          << "A NUL char " << std::ends << std::flush
michael@0:                          << " in line 2."));
michael@0: }
michael@0: 
michael@0: // Tests Message::GetString()
michael@0: TEST(MessageTest, GetString) {
michael@0:   Message msg;
michael@0:   msg << 1 << " lamb";
michael@0:   EXPECT_STREQ("1 lamb", msg.GetString().c_str());
michael@0: }
michael@0: 
michael@0: // Tests streaming a Message object to an ostream.
michael@0: TEST(MessageTest, StreamsToOStream) {
michael@0:   Message msg("Hello");
michael@0:   ::std::stringstream ss;
michael@0:   ss << msg;
michael@0:   EXPECT_STREQ("Hello", testing::internal::StringStreamToString(&ss).c_str());
michael@0: }
michael@0: 
michael@0: // Tests that a Message object doesn't take up too much stack space.
michael@0: TEST(MessageTest, DoesNotTakeUpMuchStackSpace) {
michael@0:   EXPECT_LE(sizeof(Message), 16U);
michael@0: }
michael@0: 
michael@0: }  // namespace