MathPHP\NumericalAnalysis\RootFinding\BisectionMethodTest::testBisectionMethodExceptionZeroInterval PHP Method

    public function testBisectionMethodExceptionZeroInterval()
    {
        $func = function ($x) {
            return $x ** 4 + 8 * $x ** 3 - 13 * $x ** 2 - 92 * $x + 96;
        };
        $tol = 1.0E-5;
        $a = 2;
        $b = 2;
        $expected = 1;
        $this->setExpectedException('MathPHP\\Exception\\BadDataException');
        $x = BisectionMethod::solve($func, $a, $b, $tol);
    }