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#include "base/version.h"

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

// Import the generated version_def.h.
#include "base/version_def.h"

namespace mozc {

TEST(VersionTest, BasicTest) {
  EXPECT_EQ(Version::GetMozcVersion(), version::kMozcVersion);
}

TEST(VersionTest, VersionNumberTest) {
  const int major = Version::GetMozcVersionMajor();
  const int minor = Version::GetMozcVersionMinor();
  const int build_number = Version::GetMozcVersionBuildNumber();
  const int revision = Version::GetMozcVersionRevision();
  EXPECT_EQ(
      Version::GetMozcVersion(),
      absl::StrFormat("%d.%d.%d.%d", major, minor, build_number, revision));
}

TEST(VersionTest, CompareVersion) {
  EXPECT_FALSE(Version::CompareVersion("0.0.0.0", "0.0.0.0"));
  EXPECT_FALSE(Version::CompareVersion("1.2.3.4", "1.2.3.4"));
  EXPECT_TRUE(Version::CompareVersion("0.0.0.0", "0.0.0.1"));
  EXPECT_TRUE(Version::CompareVersion("0.0.1.2", "0.1.2.3"));
  EXPECT_TRUE(Version::CompareVersion("1.2.3.4", "5.2.3.4"));
  EXPECT_TRUE(Version::CompareVersion("1.2.3.4", "1.5.3.4"));
  EXPECT_TRUE(Version::CompareVersion("1.2.3.4", "1.2.5.4"));
  EXPECT_TRUE(Version::CompareVersion("1.2.3.4", "1.2.3.5"));
  EXPECT_FALSE(Version::CompareVersion("5.2.3.4", "1.2.3.4"));
  EXPECT_FALSE(Version::CompareVersion("1.5.3.4", "1.2.3.4"));
  EXPECT_FALSE(Version::CompareVersion("1.2.5.4", "1.2.3.4"));
  EXPECT_FALSE(Version::CompareVersion("1.2.3.5", "1.2.3.4"));
  EXPECT_TRUE(Version::CompareVersion("1.2.3.4", "15.2.3.4"));
  EXPECT_TRUE(Version::CompareVersion("1.2.3.4", "1.25.3.4"));
  EXPECT_TRUE(Version::CompareVersion("1.2.3.4", "1.2.35.4"));
  EXPECT_TRUE(Version::CompareVersion("1.2.3.4", "1.2.3.45"));
  EXPECT_FALSE(Version::CompareVersion("15.2.3.4", "1.2.3.4"));
  EXPECT_FALSE(Version::CompareVersion("1.25.3.4", "1.2.3.4"));
  EXPECT_FALSE(Version::CompareVersion("1.2.35.4", "1.2.3.4"));
  EXPECT_FALSE(Version::CompareVersion("1.2.3.45", "1.2.3.4"));

  // Always return false if "Unknown" is passed.
  EXPECT_FALSE(Version::CompareVersion("Unknown", "Unknown"));
  EXPECT_FALSE(Version::CompareVersion("0.0.0.0", "(Unknown)"));
  EXPECT_FALSE(Version::CompareVersion("Unknown", "0.0.0.0"));
  EXPECT_FALSE(Version::CompareVersion("0.0.0.0", "Unknown"));
  EXPECT_FALSE(Version::CompareVersion("(Unknown)", "(Unknown)"));
  EXPECT_FALSE(Version::CompareVersion("(Unknown)", "0.0.0.0"));
}

}  // namespace mozc
