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#include "dictionary/system/key_expansion_table.h"

#include "testing/base/public/gunit.h"

namespace mozc {
namespace dictionary {
namespace {

TEST(KeyExpansionTableTest, Test) {
  KeyExpansionTable table;
  table.Add('b', "d");

  EXPECT_TRUE(table.ExpandKey('a').IsHit('a'));
  EXPECT_FALSE(table.ExpandKey('a').IsHit('b'));
  EXPECT_FALSE(table.ExpandKey('a').IsHit('c'));
  EXPECT_FALSE(table.ExpandKey('a').IsHit('d'));

  EXPECT_FALSE(table.ExpandKey('b').IsHit('a'));
  EXPECT_TRUE(table.ExpandKey('b').IsHit('b'));
  EXPECT_FALSE(table.ExpandKey('b').IsHit('c'));
  EXPECT_TRUE(table.ExpandKey('b').IsHit('d'));

  EXPECT_FALSE(table.ExpandKey('c').IsHit('a'));
  EXPECT_FALSE(table.ExpandKey('c').IsHit('b'));
  EXPECT_TRUE(table.ExpandKey('c').IsHit('c'));
  EXPECT_FALSE(table.ExpandKey('c').IsHit('d'));

  EXPECT_FALSE(table.ExpandKey('d').IsHit('a'));
  EXPECT_FALSE(table.ExpandKey('d').IsHit('b'));
  EXPECT_FALSE(table.ExpandKey('d').IsHit('c'));
  EXPECT_TRUE(table.ExpandKey('d').IsHit('d'));
}

}  // namespace
}  // namespace dictionary
}  // namespace mozc