#include "fesa/build_info.h"

#include <gtest/gtest.h>

#include <regex>
#include <string>
#include <string_view>
#include <type_traits>

TEST(BuildInfo, VersionIsStableAndNonEmpty) {
  const std::string_view first = fesa::SolverVersion();
  const std::string_view second = fesa::SolverVersion();

  EXPECT_FALSE(first.empty());
  EXPECT_EQ(first, second);
  EXPECT_TRUE(std::regex_match(std::string(first),
                               std::regex{R"(^[0-9]+\.[0-9]+\.[0-9]+$)"}));
}

TEST(BuildInfo, PublicHeaderHasNoBackendDependency) {
  static_assert(
      std::is_same_v<decltype(fesa::SolverVersion()), std::string_view>,
      "The public BuildInfo API must use only a standard-library value type.");
  static_assert(noexcept(fesa::SolverVersion()));

  SUCCEED();
}