amd3938-TestCollatz.c++

// --------------------------------
// projects/collatz/TestCollatz.c++
// Copyright (C) 2016
// Glenn P. Downing
// --------------------------------

// https://code.google.com/p/googletest/wiki/V1_7_Primer#Basic_Assertions

// --------
// includes
// --------

#include <iostream> // cout, endl
#include <sstream>  // istringtstream, ostringstream
#include <string>   // string

#include "gtest/gtest.h"

#include "Collatz.h"

using namespace std;

// ----
// read
// ----

TEST(CollatzFixture, read_1) {
  istringstream r("1 10\n");
  int i;
  int j;
  const bool b = collatz_read(r, i, j);
  ASSERT_TRUE(b);
  ASSERT_EQ(1, i);
  ASSERT_EQ(10, j);
}

//my test
TEST(CollatzFixture, read_2) {
  istringstream r("999999 999999\n");
  int i;
  int j;
  const bool b = collatz_read(r, i, j);
  ASSERT_TRUE(b);
  ASSERT_EQ(999999, i);
  ASSERT_EQ(999999, j);
}

// ----
// eval
// ----

TEST(CollatzFixture, eval_1) {
  const int v = collatz_eval(1, 10);
  ASSERT_EQ(20, v);
}

TEST(CollatzFixture, eval_2) {
  const int v = collatz_eval(100, 200);
  ASSERT_EQ(125, v);
}

TEST(CollatzFixture, eval_3) {
  const int v = collatz_eval(201, 210);
  ASSERT_EQ(89, v);
}

TEST(CollatzFixture, eval_4) {
  const int v = collatz_eval(900, 1000);
  ASSERT_EQ(174, v);
}

//My tests
TEST(CollatzFixture, eval_5) {
  const int v = collatz_eval(999999, 999999);
  ASSERT_EQ(259, v);
}

TEST(CollatzFixture, eval_6) {
  const int v = collatz_eval(40861, 18194);
  ASSERT_EQ(324, v);
}

TEST(CollatzFixture, eval_7) {
  const int v = collatz_eval(1075, 24479);
  ASSERT_EQ(282, v);
}

TEST(CollatzFixture, eval_8) {
  const int v = collatz_eval(77446, 14622);
  ASSERT_EQ(351, v);
}

TEST(CollatzFixture, eval_9) {
  const int v = collatz_eval(33882, 49463);
  ASSERT_EQ(324, v);
}

TEST(CollatzFixture, eval_10) {
  const int v = collatz_eval(91226, 30552);
  ASSERT_EQ(351, v);
}

TEST(CollatzFixture, eval_11) {
  const int v = collatz_eval(72339, 86884);
  ASSERT_EQ(351, v);
}

TEST(CollatzFixture, eval_12) {
  const int v = collatz_eval(56770, 30089);
  ASSERT_EQ(340, v);
}

TEST(CollatzFixture, eval_13) {
  const int v = collatz_eval(60307, 1042);
  ASSERT_EQ(340, v);
}

TEST(CollatzFixture, eval_14) {
  const int v = collatz_eval(91974, 91248);
  ASSERT_EQ(333, v);
}

// -----
// print
// -----

TEST(CollatzFixture, print_1) {
  ostringstream w;
  collatz_print(w, 1, 10, 20);
  ASSERT_EQ("1 10 20\n", w.str());
}

//my test
TEST(CollatzFixture, print_2) {
  ostringstream w;
  collatz_print(w, 24166, 32680, 308);
  ASSERT_EQ("24166 32680 308\n", w.str());
}

// -----
// solve
// -----

TEST(CollatzFixture, solve_1) {
  istringstream r("1 10\n100 200\n201 210\n900 1000\n");
  ostringstream w;
  collatz_solve(r, w);
  ASSERT_EQ("1 10 20\n100 200 125\n201 210 89\n900 1000 174\n", w.str());
}
//my test
TEST(CollatzFixture, solve_2) {
  istringstream r("998 7097\n85627 23896\n40388 25738\n34352 22163\n");
  ostringstream w;
  collatz_solve(r, w);
  ASSERT_EQ("998 7097 262\n85627 23896 351\n40388 25738 324\n34352 22163 311\n", w.str());
}