* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace SebastianBergmann\Comparator; /** * Compares numerical values for equality. */ class NumericComparator extends ScalarComparator { /** * Returns whether the comparator can compare two values. * * @param mixed \$expected The first value to compare * @param mixed \$actual The second value to compare * @return bool */ public function accepts(\$expected, \$actual) { // all numerical values, but not if one of them is a double // or both of them are strings return is_numeric(\$expected) && is_numeric(\$actual) && !(is_double(\$expected) || is_double(\$actual)) && !(is_string(\$expected) && is_string(\$actual)); } /** * Asserts that two values are equal. * * @param mixed \$expected First value to compare * @param mixed \$actual Second value to compare * @param float \$delta Allowed numerical distance between two values to consider them equal * @param bool \$canonicalize Arrays are sorted before comparison when set to true * @param bool \$ignoreCase Case is ignored when set to true * * @throws ComparisonFailure */ public function assertEquals(\$expected, \$actual, \$delta = 0.0, \$canonicalize = false, \$ignoreCase = false) { if (is_infinite(\$actual) && is_infinite(\$expected)) { return; } if ((is_infinite(\$actual) xor is_infinite(\$expected)) || (is_nan(\$actual) or is_nan(\$expected)) || abs(\$actual - \$expected) > \$delta) { throw new ComparisonFailure( \$expected, \$actual, '', '', false, sprintf( 'Failed asserting that %s matches expected %s.', \$this->exporter->export(\$actual), \$this->exporter->export(\$expected) ) ); } } }