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// Copyright 2008, 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 "base/word_iterator.h"

#include "testing/gtest/include/gtest/gtest.h"

TEST(WordIteratorTest, BreakWord) {
  std::wstring str(L" foo bar! \npouet boom");
  WordIterator iter(str, WordIterator::BREAK_WORD);
  ASSERT_TRUE(iter.Init());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L" ", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_TRUE(iter.IsWord());
  EXPECT_EQ(L"foo", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L" ", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_TRUE(iter.IsWord());
  EXPECT_EQ(L"bar", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L"!", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L" ", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L"\n", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_TRUE(iter.IsWord());
  EXPECT_EQ(L"pouet", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L" ", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_TRUE(iter.IsWord());
  EXPECT_EQ(L"boom", iter.GetWord());
  EXPECT_FALSE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
}

TEST(WordIteratorTest, BreakLine) {
  std::wstring str(L" foo bar! \npouet boom");
  WordIterator iter(str, WordIterator::BREAK_LINE);
  ASSERT_TRUE(iter.Init());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L" ", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L"foo ", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_TRUE(iter.IsWord());
  EXPECT_EQ(L"bar! \n", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L"pouet ", iter.GetWord());
  EXPECT_TRUE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
  EXPECT_EQ(L"boom", iter.GetWord());
  EXPECT_FALSE(iter.Advance());
  EXPECT_FALSE(iter.IsWord());
}