test/include/dbus_utility_test.cpp

#include "dbus_utility.hpp"

#include <string>

#include <gtest/gtest.h>  // IWYU pragma: keep

// IWYU pragma: no_include <gtest/gtest-message.h>
// IWYU pragma: no_include <gtest/gtest-test-part.h>
// IWYU pragma: no_include "gtest/gtest_pred_impl.h"

namespace dbus::utility {
namespace {

TEST(GetNthStringFromPath, ParsingSucceedsAndReturnsNthArg) {
  std::string path("/0th/1st/2nd/3rd");
  std::string result;
  EXPECT_TRUE(getNthStringFromPath(path, 0, result));
  EXPECT_EQ(result, "0th");
  EXPECT_TRUE(getNthStringFromPath(path, 1, result));
  EXPECT_EQ(result, "1st");
  EXPECT_TRUE(getNthStringFromPath(path, 2, result));
  EXPECT_EQ(result, "2nd");
  EXPECT_TRUE(getNthStringFromPath(path, 3, result));
  EXPECT_EQ(result, "3rd");
  EXPECT_FALSE(getNthStringFromPath(path, 4, result));

  path = "////0th///1st//\2nd///3rd?/";
  EXPECT_TRUE(getNthStringFromPath(path, 0, result));
  EXPECT_EQ(result, "0th");
  EXPECT_TRUE(getNthStringFromPath(path, 1, result));
  EXPECT_EQ(result, "1st");
  EXPECT_TRUE(getNthStringFromPath(path, 2, result));
  EXPECT_EQ(result, "\2nd");
  EXPECT_TRUE(getNthStringFromPath(path, 3, result));
  EXPECT_EQ(result, "3rd?");
}

TEST(GetNthStringFromPath, InvalidIndexReturnsFalse) {
  std::string path("////0th///1st//\2nd///3rd?/");
  std::string result;
  EXPECT_FALSE(getNthStringFromPath(path, -1, result));
}
}  // namespace
}  // namespace dbus::utility