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#include "base/strings/assign.h"

#include <string>
#include <string_view>
#include <utility>

#include "absl/strings/string_view.h"
#include "testing/gunit.h"

namespace mozc::strings {
namespace {

TEST(AssignTest, Assign) {
  std::string s;
  std::string value = "Mozc";
  // Copy
  EXPECT_EQ(Assign(s, value), value);
  // Move
  value = "Japanese";
  EXPECT_EQ(Assign(s, std::move(value)), "Japanese");
  // C String
  EXPECT_EQ(Assign(s, "Nihongo"), "Nihongo");
  // char
  EXPECT_EQ(Assign(s, 'A'), "A");
  // initializer_list
  EXPECT_EQ(Assign(s, {'a', 'b', 'c'}), "abc");
  // absl::string_view
  constexpr absl::string_view kView = "日本語入力";
  EXPECT_EQ(Assign(s, kView), kView);
  // std::string_view (to be future proof).
  constexpr std::string_view kStdView = "std::string_view";
  EXPECT_EQ(Assign(s, kStdView), kStdView);
}

}  // namespace
}  // namespace mozc::strings
