// Copyright 2010-2021, 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.

#include <memory>
#include <string>

#include "base/file_util.h"
#include "base/system_util.h"
#include "composer/composer.h"
#include "composer/table.h"
#include "config/config_handler.h"
#include "converter/converter_interface.h"
#include "converter/segments.h"
#include "engine/engine_factory.h"
#include "engine/engine_interface.h"
#include "protocol/commands.pb.h"
#include "protocol/config.pb.h"
#include "request/conversion_request.h"
#include "testing/base/public/gunit.h"
#include "testing/base/public/mozctest.h"

namespace mozc {
namespace {

using commands::Request;
using composer::Composer;
using composer::Table;

class ConverterRegressionTest : public ::testing::Test {
 private:
  const testing::ScopedTmpUserProfileDirectory scoped_profile_dir_;
};

TEST_F(ConverterRegressionTest, QueryOfDeathTest) {
  std::unique_ptr<EngineInterface> engine(EngineFactory::Create());
  ConverterInterface *converter = engine->GetConverter();

  CHECK(converter);
  {
    Segments segments;
    EXPECT_TRUE(converter->StartConversion(&segments, "りゅきゅけmぽ"));
  }
  {
    Segments segments;
    EXPECT_TRUE(converter->StartConversion(&segments, "5.1,||t:1"));
  }
  {
    Segments segments;
    // Converter returns false, but not crash.
    EXPECT_FALSE(converter->StartConversion(&segments, ""));
  }
  {
    Segments segments;
    ConversionRequest conv_request;
    // Create an empty composer.
    const Table table;
    const commands::Request request;
    composer::Composer composer(&table, &request, nullptr);
    conv_request.set_composer(&composer);
    // Converter returns false, but not crash.
    EXPECT_FALSE(converter->StartConversionForRequest(conv_request, &segments));
  }
}

TEST_F(ConverterRegressionTest, Regression3323108) {
  std::unique_ptr<EngineInterface> engine(EngineFactory::Create());
  ConverterInterface *converter = engine->GetConverter();
  Segments segments;

  EXPECT_TRUE(converter->StartConversion(&segments, "ここではきものをぬぐ"));
  EXPECT_EQ(3, segments.conversion_segments_size());
  const ConversionRequest default_request;
  EXPECT_TRUE(converter->ResizeSegment(&segments, default_request, 1, 2));
  EXPECT_EQ(2, segments.conversion_segments_size());
  EXPECT_EQ("きものをぬぐ", segments.conversion_segment(1).key());
}

}  // namespace
}  // namespace mozc
