find-peak-element-test.cpp

/*
 * Copyright (c) 2018 Christopher Friedt
 *
 * SPDX-License-Identifier: MIT
 */

#include <gtest/gtest.h>

#include "find-peak-element.cpp"

TEST(FindPeakElement, Test_1_2_3_1) {
  vector<int> nums({1, 2, 3, 1});
  int expected_int = 2;
  int actual_int = Solution().findPeakElement(nums);
  EXPECT_EQ(actual_int, expected_int);
}

TEST(FindPeakElement, Test_1_2_1_3_5_6_4) {
  vector<int> nums({1, 2, 1, 3, 5, 6, 4});
  EXPECT_TRUE(1 == Solution().findPeakElement(nums) ||
              5 == Solution().findPeakElement(nums));
}

TEST(FindPeakElement, Test_nil) {
  vector<int> nums;
  int expected_int = -1;
  int actual_int = Solution().findPeakElement(nums);
  EXPECT_EQ(actual_int, expected_int);
}

TEST(FindPeakElement, Test_0) {
  vector<int> nums({0});
  int expected_int = 0;
  int actual_int = Solution().findPeakElement(nums);
  EXPECT_EQ(actual_int, expected_int);
}

TEST(FindPeakElement, Test_INT_MIN) {
  vector<int> nums({INT_MIN});
  int expected_int = 0;
  int actual_int = Solution().findPeakElement(nums);
  EXPECT_EQ(actual_int, expected_int);
}

TEST(FindPeakElement, Test_1_2) {
  vector<int> nums({1, 2});
  int expected_int = 1;
  int actual_int = Solution().findPeakElement(nums);
  EXPECT_EQ(actual_int, expected_int);
}

TEST(FindPeakElement, Test_2_1) {
  vector<int> nums({2, 1});
  int expected_int = 0;
  int actual_int = Solution().findPeakElement(nums);
  EXPECT_EQ(actual_int, expected_int);
}

TEST(FindPeakElement, Test_1_2_1) {
  vector<int> nums({1, 2, 1});
  int expected_int = 1;
  int actual_int = Solution().findPeakElement(nums);
  EXPECT_EQ(actual_int, expected_int);
}

TEST(FindPeakElement, Test_INT_MIN_INT_MIN) {
  vector<int> nums({INT_MIN, INT_MIN});
  int expected_int = -1;
  int actual_int = Solution().findPeakElement(nums);
  EXPECT_EQ(actual_int, expected_int);
}