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asn579-TestCollatz.c++
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asn579-TestCollatz.c++
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// --------------------------------
// 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);
}
TEST(CollatzFixture, read_2)
{
istringstream r("1000 200\n");
int i;
int j;
const bool b = collatz_read(r, i, j);
ASSERT_TRUE(b);
ASSERT_EQ(1000, i);
ASSERT_EQ(200, j);
}
TEST(CollatzFixture, read_3)
{
istringstream r("123 456\n");
int i;
int j;
const bool b = collatz_read(r,i,j);
ASSERT_TRUE(b);
ASSERT_EQ(123,i);
ASSERT_EQ(456,j);
}
TEST(CollatzFixture, read_4)
{
istringstream r("111 222\n");
int i;
int j;
const bool b = collatz_read(r,i,j);
ASSERT_TRUE(b);
ASSERT_EQ(111,i);
ASSERT_EQ(222,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);}
// -----
// print
// -----
TEST(CollatzFixture, print_1)
{
ostringstream w;
collatz_print(w, 1, 10, 20);
ASSERT_EQ("1 10 20\n", w.str());
}
TEST(CollatzFixture, print_2)
{
ostringstream w;
collatz_print(w, 100, 200, 125);
ASSERT_EQ("100 200 125\n", w.str());
}
TEST(CollatzFixture, print_3)
{
ostringstream w;
collatz_print(w, 201, 210, 89);
ASSERT_EQ("201 210 89\n", w.str());
}
TEST(CollatzFixture, print_4)
{
ostringstream w;
collatz_print(w, 900, 1000, 174);
ASSERT_EQ("900 1000 174\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());
}
TEST(CollatzFixture, solve_2)
{
istringstream r("6 11\n71 94\n62 61\n");
ostringstream w;
collatz_solve(r, w);
ASSERT_EQ("6 11 20\n71 94 116\n62 61 108\n", w.str());
}
TEST(CollatzFixture, solve_3)
{
istringstream r("840 408\n47 61\n40 435\n");
ostringstream w;
collatz_solve(r, w);
ASSERT_EQ("840 408 171\n47 61 113\n40 435 144\n", w.str());
}
TEST(CollatzFixture, solve_4)
{
istringstream r("83 3350\n5 29741\n6 63557\n");
ostringstream w;
collatz_solve(r, w);
ASSERT_EQ("83 3350 217\n5 29741 308\n6 63557 340\n", w.str());
}