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#include "composer/internal/composition_input.h"

#include "composer/internal/transliterators.h"
#include "testing/base/public/gunit.h"

namespace mozc {
namespace composer {

TEST(CompositionInputTest, BasicTest) {
  const TransliteratorInterface *kT12r =
    Transliterators::GetTransliterator(Transliterators::RAW_STRING);
  CompositionInput input;

  {  // Initial status.
    EXPECT_TRUE(input.Empty());
    EXPECT_TRUE(input.raw().empty());
    EXPECT_FALSE(input.has_conversion());
    EXPECT_TRUE(input.conversion().empty());
    EXPECT_FALSE(input.is_new_input());
    EXPECT_TRUE(NULL == input.transliterator());
  }

  {  // Value setting
    input.set_raw("raw");
    input.set_conversion("conversion");
    input.set_is_new_input(true);
    input.set_transliterator(kT12r);

    EXPECT_FALSE(input.Empty());
    EXPECT_EQ("raw", input.raw());
    EXPECT_TRUE(input.has_conversion());
    EXPECT_EQ("conversion", input.conversion());
    EXPECT_TRUE(input.is_new_input());
    EXPECT_TRUE(kT12r == input.transliterator());
  }

  CompositionInput input2;
  {  // CopyFrom and Clear
    input2.CopyFrom(input);
    input.Clear();
    EXPECT_TRUE(input.Empty());
    EXPECT_TRUE(input.raw().empty());
    EXPECT_FALSE(input.has_conversion());
    EXPECT_TRUE(input.conversion().empty());
    EXPECT_FALSE(input.is_new_input());
    EXPECT_TRUE(NULL == input.transliterator());

    EXPECT_FALSE(input2.Empty());
    EXPECT_EQ("raw", input2.raw());
    EXPECT_TRUE(input2.has_conversion());
    EXPECT_EQ("conversion", input2.conversion());
    EXPECT_TRUE(input2.is_new_input());
    EXPECT_TRUE(kT12r == input2.transliterator());
  }

  {  // Empty conversion string is also a value value.
    input2.set_conversion("");
    EXPECT_TRUE(input2.conversion().empty());
    EXPECT_TRUE(input2.has_conversion());
  }

  {  // Mutable conversion
    ASSERT_TRUE(input.Empty());
    EXPECT_FALSE(input.has_conversion());
    EXPECT_TRUE(input.mutable_conversion()->empty());
    EXPECT_TRUE(input.has_conversion());
    input.mutable_conversion()->assign("mutable_conversion");
    EXPECT_EQ("mutable_conversion", input.conversion());

    ASSERT_FALSE(input2.Empty());
    EXPECT_TRUE(input2.has_conversion());
  }
}

}  // namespace composer
}  // namespace mozc