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