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IncrementIntegerTest.php
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IncrementIntegerTest.php
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<?php
/**
* This code is licensed under the BSD 3-Clause License.
*
* Copyright (c) 2017, Maks Rafalko
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
declare(strict_types=1);
namespace Infection\Tests\Mutator\Number;
use Infection\Tests\Mutator\BaseMutatorTestCase;
final class IncrementIntegerTest extends BaseMutatorTestCase
{
/**
* @dataProvider mutationsProvider
*
* @param string|string[] $expected
*/
public function test_it_can_mutate(string $input, $expected = []): void
{
$this->doTest($input, $expected);
}
public function mutationsProvider(): iterable
{
yield 'It increments an integer' => [
<<<'PHP'
<?php
if ($foo === 10) {
echo 'bar';
}
PHP
,
<<<'PHP'
<?php
if ($foo === 11) {
echo 'bar';
}
PHP
,
];
yield 'It does not increment assigment of 0' => [
<<<'PHP'
<?php
$foo = 0;
PHP
,
];
yield 'It does not increment 0 in greater comparison' => [
<<<'PHP'
<?php
if ($foo > 0) {
echo 'bar';
}
PHP
];
yield 'It does not increment 0 in greater or equal comparison' => [
<<<'PHP'
<?php
if ($foo >= 0) {
echo 'bar';
}
PHP
];
yield 'It does not increment 0 in smaller comparison' => [
<<<'PHP'
<?php
if ($foo < 0) {
echo 'bar';
}
PHP
];
yield 'It does not increment 0 in smaller or equal comparison' => [
<<<'PHP'
<?php
if ($foo <= 0) {
echo 'bar';
}
PHP
];
yield 'It does not increment 0 in equal comparison' => [
<<<'PHP'
<?php
if ($foo == 0) {
echo 'bar';
}
PHP
];
yield 'It does not increment 0 in not equal comparison' => [
<<<'PHP'
<?php
if ($foo != 0) {
echo 'bar';
}
PHP
];
yield 'It does not increment 0 in identical comparison' => [
<<<'PHP'
<?php
if ($foo === 0) {
echo 'bar';
}
PHP
];
yield 'It does not increment 0 in not identical comparison' => [
<<<'PHP'
<?php
if ($foo !== 0) {
echo 'bar';
}
PHP
];
yield 'It increments one' => [
<<<'PHP'
<?php
if ($foo === 1) {
echo 'bar';
}
PHP
,
<<<'PHP'
<?php
if ($foo === 2) {
echo 'bar';
}
PHP
,
];
yield 'It does not increment floats' => [
<<<'PHP'
<?php
if ($foo === 1.0) {
echo 'bar';
}
PHP
];
yield 'It increments a negative integer' => [
<<<'PHP'
<?php
if ($foo === -10) {
echo 'bar';
}
PHP
,
<<<'PHP'
<?php
if ($foo === -9) {
echo 'bar';
}
PHP
,
];
yield 'It does not increment limit argument of preg_split function when it equals to -1' => [
<<<'PHP'
<?php
preg_split('//', 'string', -1);
PHP
];
yield 'It does increment limit argument of preg_split function when it equals to 0' => [
<<<'PHP'
<?php
preg_split('//', 'string', 0);
PHP
,
<<<'PHP'
<?php
preg_split('//', 'string', 1);
PHP
];
yield 'It does increment limit argument of preg_split function when it equals to -2' => [
<<<'PHP'
<?php
preg_split('//', 'string', -2);
PHP
,
<<<'PHP'
<?php
preg_split('//', 'string', -1);
PHP
];
yield 'It does not increment max int' => [
<<<'PHP'
<?php
random_int(10000000, 9223372036854775807);
PHP
,
<<<'PHP'
<?php
random_int(10000001, 9223372036854775807);
PHP
];
}
}