#include <gtest/gtest.h>
#include "mocks/MockDDS.h"

TEST(GenericSmokeGTest, BasicStringOps) {
  std::string s = "MiXeD";
  for (auto &c : s) c = (char)std::tolower(c);
  EXPECT_EQ(s, "mixed");
}

TEST(GenericSmokeGTest, MockDDSPublishReceive) {
  MockDDS::clear_all();
  MockDDS::publish("topic1", "payload42");
  auto r = MockDDS::take_last("topic1");
  // format is "<seq>:<payload>"
  auto pos = r.find(':');
  ASSERT_NE(pos, std::string::npos);
  auto seq = std::stoul(r.substr(0, pos));
  auto payload = r.substr(pos + 1);
  EXPECT_EQ(payload, "payload42");
  EXPECT_EQ(seq, 1UL);
}