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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// 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: kenton@google.com (Kenton Varda)
+
+#include <vector>
+#include <google/protobuf/stubs/casts.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/stubs/substitute.h>
+
+#include <google/protobuf/testing/googletest.h>
+#include <gtest/gtest.h>
+
+namespace google {
+namespace protobuf {
+using internal::NewCallback;
+using internal::NewPermanentCallback;
+namespace {
+
+// TODO(kenton): More tests.
+
+#ifdef PACKAGE_VERSION // only defined when using automake, not MSVC
+
+TEST(VersionTest, VersionMatchesConfig) {
+ // Verify that the version string specified in config.h matches the one
+ // in common.h. The config.h version is a string which may have a suffix
+ // like "beta" or "rc1", so we remove that.
+ string version = PACKAGE_VERSION;
+ int pos = 0;
+ while (pos < version.size() &&
+ (ascii_isdigit(version[pos]) || version[pos] == '.')) {
+ ++pos;
+ }
+ version.erase(pos);
+
+ EXPECT_EQ(version, internal::VersionString(GOOGLE_PROTOBUF_VERSION));
+}
+
+#endif // PACKAGE_VERSION
+
+TEST(CommonTest, IntMinMaxConstants) {
+ // kint32min was declared incorrectly in the first release of protobufs.
+ // Ugh.
+ EXPECT_LT(kint32min, kint32max);
+ EXPECT_EQ(static_cast<uint32>(kint32min), static_cast<uint32>(kint32max) + 1);
+ EXPECT_LT(kint64min, kint64max);
+ EXPECT_EQ(static_cast<uint64>(kint64min), static_cast<uint64>(kint64max) + 1);
+ EXPECT_EQ(0, kuint32max + 1);
+ EXPECT_EQ(0, kuint64max + 1);
+}
+
+vector<string> captured_messages_;
+
+void CaptureLog(LogLevel level, const char* filename, int line,
+ const string& message) {
+ captured_messages_.push_back(
+ strings::Substitute("$0 $1:$2: $3",
+ implicit_cast<int>(level), filename, line, message));
+}
+
+TEST(LoggingTest, DefaultLogging) {
+ CaptureTestStderr();
+ int line = __LINE__;
+ GOOGLE_LOG(INFO ) << "A message.";
+ GOOGLE_LOG(WARNING) << "A warning.";
+ GOOGLE_LOG(ERROR ) << "An error.";
+
+ string text = GetCapturedTestStderr();
+ EXPECT_EQ(
+ "[libprotobuf INFO " __FILE__ ":" + SimpleItoa(line + 1) + "] A message.\n"
+ "[libprotobuf WARNING " __FILE__ ":" + SimpleItoa(line + 2) + "] A warning.\n"
+ "[libprotobuf ERROR " __FILE__ ":" + SimpleItoa(line + 3) + "] An error.\n",
+ text);
+}
+
+TEST(LoggingTest, NullLogging) {
+ LogHandler* old_handler = SetLogHandler(NULL);
+
+ CaptureTestStderr();
+ GOOGLE_LOG(INFO ) << "A message.";
+ GOOGLE_LOG(WARNING) << "A warning.";
+ GOOGLE_LOG(ERROR ) << "An error.";
+
+ EXPECT_TRUE(SetLogHandler(old_handler) == NULL);
+
+ string text = GetCapturedTestStderr();
+ EXPECT_EQ("", text);
+}
+
+TEST(LoggingTest, CaptureLogging) {
+ captured_messages_.clear();
+
+ LogHandler* old_handler = SetLogHandler(&CaptureLog);
+
+ int start_line = __LINE__;
+ GOOGLE_LOG(ERROR) << "An error.";
+ GOOGLE_LOG(WARNING) << "A warning.";
+
+ EXPECT_TRUE(SetLogHandler(old_handler) == &CaptureLog);
+
+ ASSERT_EQ(2, captured_messages_.size());
+ EXPECT_EQ(
+ "2 " __FILE__ ":" + SimpleItoa(start_line + 1) + ": An error.",
+ captured_messages_[0]);
+ EXPECT_EQ(
+ "1 " __FILE__ ":" + SimpleItoa(start_line + 2) + ": A warning.",
+ captured_messages_[1]);
+}
+
+TEST(LoggingTest, SilenceLogging) {
+ captured_messages_.clear();
+
+ LogHandler* old_handler = SetLogHandler(&CaptureLog);
+
+ int line1 = __LINE__; GOOGLE_LOG(INFO) << "Visible1";
+ LogSilencer* silencer1 = new LogSilencer;
+ GOOGLE_LOG(INFO) << "Not visible.";
+ LogSilencer* silencer2 = new LogSilencer;
+ GOOGLE_LOG(INFO) << "Not visible.";
+ delete silencer1;
+ GOOGLE_LOG(INFO) << "Not visible.";
+ delete silencer2;
+ int line2 = __LINE__; GOOGLE_LOG(INFO) << "Visible2";
+
+ EXPECT_TRUE(SetLogHandler(old_handler) == &CaptureLog);
+
+ ASSERT_EQ(2, captured_messages_.size());
+ EXPECT_EQ(
+ "0 " __FILE__ ":" + SimpleItoa(line1) + ": Visible1",
+ captured_messages_[0]);
+ EXPECT_EQ(
+ "0 " __FILE__ ":" + SimpleItoa(line2) + ": Visible2",
+ captured_messages_[1]);
+}
+
+class ClosureTest : public testing::Test {
+ public:
+ void SetA123Method() { a_ = 123; }
+ static void SetA123Function() { current_instance_->a_ = 123; }
+
+ void SetAMethod(int a) { a_ = a; }
+ void SetCMethod(string c) { c_ = c; }
+
+ static void SetAFunction(int a) { current_instance_->a_ = a; }
+ static void SetCFunction(string c) { current_instance_->c_ = c; }
+
+ void SetABMethod(int a, const char* b) { a_ = a; b_ = b; }
+ static void SetABFunction(int a, const char* b) {
+ current_instance_->a_ = a;
+ current_instance_->b_ = b;
+ }
+
+ virtual void SetUp() {
+ current_instance_ = this;
+ a_ = 0;
+ b_ = NULL;
+ c_.clear();
+ permanent_closure_ = NULL;
+ }
+
+ void DeleteClosureInCallback() {
+ delete permanent_closure_;
+ }
+
+ int a_;
+ const char* b_;
+ string c_;
+ Closure* permanent_closure_;
+
+ static ClosureTest* current_instance_;
+};
+
+ClosureTest* ClosureTest::current_instance_ = NULL;
+
+TEST_F(ClosureTest, TestClosureFunction0) {
+ Closure* closure = NewCallback(&SetA123Function);
+ EXPECT_NE(123, a_);
+ closure->Run();
+ EXPECT_EQ(123, a_);
+}
+
+TEST_F(ClosureTest, TestClosureMethod0) {
+ Closure* closure = NewCallback(current_instance_,
+ &ClosureTest::SetA123Method);
+ EXPECT_NE(123, a_);
+ closure->Run();
+ EXPECT_EQ(123, a_);
+}
+
+TEST_F(ClosureTest, TestClosureFunction1) {
+ Closure* closure = NewCallback(&SetAFunction, 456);
+ EXPECT_NE(456, a_);
+ closure->Run();
+ EXPECT_EQ(456, a_);
+}
+
+TEST_F(ClosureTest, TestClosureMethod1) {
+ Closure* closure = NewCallback(current_instance_,
+ &ClosureTest::SetAMethod, 456);
+ EXPECT_NE(456, a_);
+ closure->Run();
+ EXPECT_EQ(456, a_);
+}
+
+TEST_F(ClosureTest, TestClosureFunction1String) {
+ Closure* closure = NewCallback(&SetCFunction, string("test"));
+ EXPECT_NE("test", c_);
+ closure->Run();
+ EXPECT_EQ("test", c_);
+}
+
+TEST_F(ClosureTest, TestClosureMethod1String) {
+ Closure* closure = NewCallback(current_instance_,
+ &ClosureTest::SetCMethod, string("test"));
+ EXPECT_NE("test", c_);
+ closure->Run();
+ EXPECT_EQ("test", c_);
+}
+
+TEST_F(ClosureTest, TestClosureFunction2) {
+ const char* cstr = "hello";
+ Closure* closure = NewCallback(&SetABFunction, 789, cstr);
+ EXPECT_NE(789, a_);
+ EXPECT_NE(cstr, b_);
+ closure->Run();
+ EXPECT_EQ(789, a_);
+ EXPECT_EQ(cstr, b_);
+}
+
+TEST_F(ClosureTest, TestClosureMethod2) {
+ const char* cstr = "hello";
+ Closure* closure = NewCallback(current_instance_,
+ &ClosureTest::SetABMethod, 789, cstr);
+ EXPECT_NE(789, a_);
+ EXPECT_NE(cstr, b_);
+ closure->Run();
+ EXPECT_EQ(789, a_);
+ EXPECT_EQ(cstr, b_);
+}
+
+// Repeat all of the above with NewPermanentCallback()
+
+TEST_F(ClosureTest, TestPermanentClosureFunction0) {
+ Closure* closure = NewPermanentCallback(&SetA123Function);
+ EXPECT_NE(123, a_);
+ closure->Run();
+ EXPECT_EQ(123, a_);
+ a_ = 0;
+ closure->Run();
+ EXPECT_EQ(123, a_);
+ delete closure;
+}
+
+TEST_F(ClosureTest, TestPermanentClosureMethod0) {
+ Closure* closure = NewPermanentCallback(current_instance_,
+ &ClosureTest::SetA123Method);
+ EXPECT_NE(123, a_);
+ closure->Run();
+ EXPECT_EQ(123, a_);
+ a_ = 0;
+ closure->Run();
+ EXPECT_EQ(123, a_);
+ delete closure;
+}
+
+TEST_F(ClosureTest, TestPermanentClosureFunction1) {
+ Closure* closure = NewPermanentCallback(&SetAFunction, 456);
+ EXPECT_NE(456, a_);
+ closure->Run();
+ EXPECT_EQ(456, a_);
+ a_ = 0;
+ closure->Run();
+ EXPECT_EQ(456, a_);
+ delete closure;
+}
+
+TEST_F(ClosureTest, TestPermanentClosureMethod1) {
+ Closure* closure = NewPermanentCallback(current_instance_,
+ &ClosureTest::SetAMethod, 456);
+ EXPECT_NE(456, a_);
+ closure->Run();
+ EXPECT_EQ(456, a_);
+ a_ = 0;
+ closure->Run();
+ EXPECT_EQ(456, a_);
+ delete closure;
+}
+
+TEST_F(ClosureTest, TestPermanentClosureFunction2) {
+ const char* cstr = "hello";
+ Closure* closure = NewPermanentCallback(&SetABFunction, 789, cstr);
+ EXPECT_NE(789, a_);
+ EXPECT_NE(cstr, b_);
+ closure->Run();
+ EXPECT_EQ(789, a_);
+ EXPECT_EQ(cstr, b_);
+ a_ = 0;
+ b_ = NULL;
+ closure->Run();
+ EXPECT_EQ(789, a_);
+ EXPECT_EQ(cstr, b_);
+ delete closure;
+}
+
+TEST_F(ClosureTest, TestPermanentClosureMethod2) {
+ const char* cstr = "hello";
+ Closure* closure = NewPermanentCallback(current_instance_,
+ &ClosureTest::SetABMethod, 789, cstr);
+ EXPECT_NE(789, a_);
+ EXPECT_NE(cstr, b_);
+ closure->Run();
+ EXPECT_EQ(789, a_);
+ EXPECT_EQ(cstr, b_);
+ a_ = 0;
+ b_ = NULL;
+ closure->Run();
+ EXPECT_EQ(789, a_);
+ EXPECT_EQ(cstr, b_);
+ delete closure;
+}
+
+TEST_F(ClosureTest, TestPermanentClosureDeleteInCallback) {
+ permanent_closure_ = NewPermanentCallback((ClosureTest*) this,
+ &ClosureTest::DeleteClosureInCallback);
+ permanent_closure_->Run();
+}
+
+} // anonymous namespace
+} // namespace protobuf
+} // namespace google
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