add-two-numbers-test.cpp

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

#include <array>

using namespace std;

#include <gtest/gtest.h>

#include "util/ListNode.cpp"

#include "add-two-numbers.cpp"

class AddTwoNumbers : public ::testing::Test {

public:
  AddTwoNumbers() : l1(nullptr), l2(nullptr), output(nullptr) {}

  string l1_str;
  string l2_str;
  ListNode *l1;
  ListNode *l2;
  ListNode *output;
  string expected_string;
  string actual_string;
  Solution soln;

  void mSetUp() {
    // needs to be called from within test case
    l1 = ListNode_from_string(l1_str);
    l2 = ListNode_from_string(l2_str);
  }

  void doTest() {
    output = soln.addTwoNumbers(l1, l2);
    actual_string = ListNode_to_string(output);

    EXPECT_EQ(actual_string, expected_string);
  }

  virtual void TearDown() override {
    ListNode_cleanup(&l1);
    ListNode_cleanup(&l2);
    ListNode_cleanup(&output);
  }
};

TEST_F(AddTwoNumbers, Test__2_4_3__5_6_4) {
  // 342 + 465 =	 807
  l1_str = "2->4->3";
  l2_str = "5->6->4";
  expected_string = "7->0->8";
  mSetUp();
  doTest();
}

TEST_F(AddTwoNumbers, Test__9__1_9_9_9_9_9_9_9_9_9) {
  l1_str = "9";
  l2_str = "1->9->9->9->9->9->9->9->9->9";
  expected_string = "0->0->0->0->0->0->0->0->0->0->1";
  mSetUp();
  doTest();
}

TEST_F(
    AddTwoNumbers,
    Test__1_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_0_1__5_6_4) {
  l1_str = "1->0->0->0->0->0->0->0->0->0->0->0->0->0->0->0->0->0->0->0->0->0->"
           "0->0->0->0->0->0->0->0->1";
  l2_str = "5->6->4";
  expected_string = "6->6->4->0->0->0->0->0->0->0->0->0->0->0->0->0->0->0->0->"
                    "0->0->0->0->0->0->0->0->0->0->0->1";
  mSetUp();
  doTest();
}