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#include <string>
#include "base/base.h"
#include "base/util.h"
#include "converter/segmenter.h"
#include "converter/segmenter_inl.h"
#include "converter/node.h"
#include "dictionary/pos_matcher.h"
#include "testing/base/public/gunit.h"

namespace mozc {

class SegmenterTest : public testing::Test {
 protected:
  SegmenterTest() {
    segmenter_ = Singleton<Segmenter>::get();
  }

  Segmenter *segmenter_;
};

TEST_F(SegmenterTest, SegmenterTest) {
  for (size_t rid = 0; rid < kLSize; ++rid) {
    for (size_t lid = 0; lid < kRSize; ++lid) {
      EXPECT_EQ(IsBoundaryInternal(rid, lid),
                segmenter_->IsBoundary(rid, lid)) << rid << " " << lid;
    }
  }
}

TEST_F(SegmenterTest, SegmenterLNodeTest) {
  // lnode is BOS
  Node lnode, rnode;
  lnode.node_type = Node::BOS_NODE;
  rnode.node_type = Node::NOR_NODE;
  for (size_t rid = 0; rid < kLSize; ++rid) {
    for (size_t lid = 0; lid < kRSize; ++lid) {
      lnode.rid = rid;
      lnode.lid = lid;
      EXPECT_TRUE(segmenter_->IsBoundary(&lnode, &rnode, false));
      EXPECT_TRUE(segmenter_->IsBoundary(&lnode, &rnode, true));
    }
  }
}

TEST_F(SegmenterTest, SegmenterRNodeTest) {
  // rnode is EOS
  Node lnode, rnode;
  lnode.node_type = Node::NOR_NODE;
  rnode.node_type = Node::EOS_NODE;
  for (size_t rid = 0; rid < kLSize; ++rid) {
    for (size_t lid = 0; lid < kRSize; ++lid) {
      lnode.rid = rid;
      lnode.lid = lid;
      EXPECT_TRUE(segmenter_->IsBoundary(&lnode, &rnode, false));
      EXPECT_TRUE(segmenter_->IsBoundary(&lnode, &rnode, true));
    }
  }
}

TEST_F(SegmenterTest, SegmenterNodeTest) {
  Node lnode, rnode;
  lnode.node_type = Node::NOR_NODE;
  rnode.node_type = Node::NOR_NODE;
  for (size_t rid = 0; rid < kLSize; ++rid) {
    for (size_t lid = 0; lid < kRSize; ++lid) {
      lnode.rid = rid;
      rnode.lid = lid;
      EXPECT_EQ(segmenter_->IsBoundary(rid, lid),
                segmenter_->IsBoundary(&lnode, &rnode, false));
      EXPECT_FALSE(segmenter_->IsBoundary(&lnode, &rnode, true));
    }
  }
}

TEST_F(SegmenterTest, ParticleTest) {
  Node lnode, rnode;
  lnode.Init();
  rnode.Init();
  lnode.node_type = Node::NOR_NODE;
  rnode.node_type = Node::NOR_NODE;
  // "助詞"
  lnode.rid = POSMatcher::GetAcceptableParticleAtBeginOfSegmentId();
  // "名詞,サ変".
  rnode.lid = POSMatcher::GetUnknownId();
  EXPECT_TRUE(segmenter_->IsBoundary(&lnode, &rnode, false));

  lnode.attributes |= Node::STARTS_WITH_PARTICLE;
  EXPECT_FALSE(segmenter_->IsBoundary(&lnode, &rnode, false));
}
}  // namespace mozc