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Contents
<?php
include_once 'grains.php';
class GrainsTest extends PHPUnit_Framework_TestCase
{
/**
* PHP integers greater than 2^31 (32-bit systems)
* or 2^63 (64-bit) are casted to floats.
* In some cases it may lead to problems
* http://php.net/manual/ru/language.types.float.php#warn.float-precision
*
* Consider King hates floats and demands solution with
* precise integer-only calculations. Don't involve any floats.
* Don't use gmp or any other similar libraries.
* Try to make the solution for virtually any board size.
*/
public function testInput1()
{
$this->assertSame('1', square(1));
}
public function testInput2()
{
$this->assertSame('2', square(2));
}
public function testInput3()
{
$this->assertSame('4', square(3));
}
public function testInput4()
{
$this->assertSame('8', square(4));
}
public function testInput16()
{
$this->assertSame('32768', square(16));
}
public function testInput32()
{
$this->assertSame('2147483648', square(32));
}
public function testInput64()
{
$this->assertSame('9223372036854775808', square(64));
}
/**
* @expectedException InvalidArgumentException
*/
public function testRejectsZero()
{
square(0);
}
/**
* @expectedException InvalidArgumentException
*/
public function testRejectsNegative()
{
square(-1);
}
/**
* @expectedException InvalidArgumentException
*/
public function testRejectsGreaterThan64()
{
square(65);
}
public function testTotal()
{
$this->assertSame('18446744073709551615', total());
}
}
Version data entries
30 entries across 30 versions & 1 rubygems