tests: Import the googletest library, release version 1.8.0.

Change-Id: Ic6c1391a19238011ff5cc97f513dbdc020dc6144
Reviewed-on: https://gem5-review.googlesource.com/6082
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>

1 files changed, 159 insertions, 0 deletions

diff --git a/ext/googletest/test/gtest-message_test.cc b/ext/googletest/test/gtest-message_test.cc
new file mode 100644
index 000000000..175238ef4
--- /dev/null
+++ b/ext/googletest/test/gtest-message_test.cc
@@ -0,0 +1,159 @@
+// Copyright 2005, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Author: wan@google.com (Zhanyong Wan)
+//
+// Tests for the Message class.
+
+#include "gtest/gtest-message.h"
+
+#include "gtest/gtest.h"
+
+namespace {
+
+using ::testing::Message;
+
+// Tests the testing::Message class
+
+// Tests the default constructor.
+TEST(MessageTest, DefaultConstructor) {
+  const Message msg;
+  EXPECT_EQ("", msg.GetString());
+}
+
+// Tests the copy constructor.
+TEST(MessageTest, CopyConstructor) {
+  const Message msg1("Hello");
+  const Message msg2(msg1);
+  EXPECT_EQ("Hello", msg2.GetString());
+}
+
+// Tests constructing a Message from a C-string.
+TEST(MessageTest, ConstructsFromCString) {
+  Message msg("Hello");
+  EXPECT_EQ("Hello", msg.GetString());
+}
+
+// Tests streaming a float.
+TEST(MessageTest, StreamsFloat) {
+  const std::string s = (Message() << 1.23456F << " " << 2.34567F).GetString();
+  // Both numbers should be printed with enough precision.
+  EXPECT_PRED_FORMAT2(testing::IsSubstring, "1.234560", s.c_str());
+  EXPECT_PRED_FORMAT2(testing::IsSubstring, " 2.345669", s.c_str());
+}
+
+// Tests streaming a double.
+TEST(MessageTest, StreamsDouble) {
+  const std::string s = (Message() << 1260570880.4555497 << " "
+                                  << 1260572265.1954534).GetString();
+  // Both numbers should be printed with enough precision.
+  EXPECT_PRED_FORMAT2(testing::IsSubstring, "1260570880.45", s.c_str());
+  EXPECT_PRED_FORMAT2(testing::IsSubstring, " 1260572265.19", s.c_str());
+}
+
+// Tests streaming a non-char pointer.
+TEST(MessageTest, StreamsPointer) {
+  int n = 0;
+  int* p = &n;
+  EXPECT_NE("(null)", (Message() << p).GetString());
+}
+
+// Tests streaming a NULL non-char pointer.
+TEST(MessageTest, StreamsNullPointer) {
+  int* p = NULL;
+  EXPECT_EQ("(null)", (Message() << p).GetString());
+}
+
+// Tests streaming a C string.
+TEST(MessageTest, StreamsCString) {
+  EXPECT_EQ("Foo", (Message() << "Foo").GetString());
+}
+
+// Tests streaming a NULL C string.
+TEST(MessageTest, StreamsNullCString) {
+  char* p = NULL;
+  EXPECT_EQ("(null)", (Message() << p).GetString());
+}
+
+// Tests streaming std::string.
+TEST(MessageTest, StreamsString) {
+  const ::std::string str("Hello");
+  EXPECT_EQ("Hello", (Message() << str).GetString());
+}
+
+// Tests that we can output strings containing embedded NULs.
+TEST(MessageTest, StreamsStringWithEmbeddedNUL) {
+  const char char_array_with_nul[] =
+      "Here's a NUL\0 and some more string";
+  const ::std::string string_with_nul(char_array_with_nul,
+                                      sizeof(char_array_with_nul) - 1);
+  EXPECT_EQ("Here's a NUL\\0 and some more string",
+            (Message() << string_with_nul).GetString());
+}
+
+// Tests streaming a NUL char.
+TEST(MessageTest, StreamsNULChar) {
+  EXPECT_EQ("\\0", (Message() << '\0').GetString());
+}
+
+// Tests streaming int.
+TEST(MessageTest, StreamsInt) {
+  EXPECT_EQ("123", (Message() << 123).GetString());
+}
+
+// Tests that basic IO manipulators (endl, ends, and flush) can be
+// streamed to Message.
+TEST(MessageTest, StreamsBasicIoManip) {
+  EXPECT_EQ("Line 1.\nA NUL char \\0 in line 2.",
+               (Message() << "Line 1." << std::endl
+                         << "A NUL char " << std::ends << std::flush
+                         << " in line 2.").GetString());
+}
+
+// Tests Message::GetString()
+TEST(MessageTest, GetString) {
+  Message msg;
+  msg << 1 << " lamb";
+  EXPECT_EQ("1 lamb", msg.GetString());
+}
+
+// Tests streaming a Message object to an ostream.
+TEST(MessageTest, StreamsToOStream) {
+  Message msg("Hello");
+  ::std::stringstream ss;
+  ss << msg;
+  EXPECT_EQ("Hello", testing::internal::StringStreamToString(&ss));
+}
+
+// Tests that a Message object doesn't take up too much stack space.
+TEST(MessageTest, DoesNotTakeUpMuchStackSpace) {
+  EXPECT_LE(sizeof(Message), 16U);
+}
+
+}  // namespace