/**
* @covers ::parse
*/
public function testParse()
{
BC::scale(18);
$this->assertEquals(6, BC::parse('1 + 5'));
$this->assertEquals(-4, BC::parse('1 - 5'));
$this->assertEquals(5, BC::parse('1 * 5'));
$this->assertEquals(0.2, BC::parse('1 / 5'));
$this->assertEquals(0, BC::parse('1 \\ 5'));
$this->assertEquals(1, BC::parse('1 % 5'));
$this->assertEquals(1.5, BC::parse('5.5 %% 2'));
$this->assertEquals(4, BC::parse('5.5 \\* 2'));
$this->assertEquals(4.5, BC::parse('5.5 -% 2'));
$this->assertEquals(1, BC::parse('4 ** .5'));
$this->assertEquals(2, BC::parse('4 ^ .5'));
$this->assertEquals(false, BC::parse('1 = 5'));
$this->assertEquals(false, BC::parse('1 == 5'));
$this->assertEquals(false, BC::parse('1 > 5'));
$this->assertEquals(true, BC::parse('1 < 5'));
$this->assertEquals(false, BC::parse('1 >= 5'));
$this->assertEquals(true, BC::parse('1 <= 5'));
$this->assertEquals(true, BC::parse('1 <> 5'));
$this->assertEquals(true, BC::parse('1 != 5'));
$this->assertEquals(true, BC::parse('1 & 5'));
$this->assertEquals(true, BC::parse('1 && 5'));
$this->assertEquals(true, BC::parse('1 | 5'));
$this->assertEquals(true, BC::parse('1 || 5'));
$this->assertEquals(false, BC::parse('1 ~ 5'));
$this->assertEquals(false, BC::parse('1 ~~ 5'));
$this->assertEquals('2.25', BC::parse('5 / 4 + 1'));
$this->assertEquals('2.25', BC::parse('1 + 5 / 4'));
$this->assertEquals('0.25', BC::parse('-1 + 5 / 4'));
$this->assertEquals('-0.25', BC::parse('1 + -5 / 4'));
$this->assertEquals('-0.25', BC::parse('1 - +5 / 4'));
$this->assertEquals('1.5', BC::parse('(1 + 5) / 4'));
$this->assertEquals('1', BC::parse('(1 + 5) \\ 4'));
$this->assertEquals('1', BC::parse('(1 + 5) / 4', null, 0));
$this->assertEquals('1.5', BC::parse('({a} + {b}) / {c}', ['a' => 1, 'b' => 5, 'c' => 4]));
$this->assertEquals('1', BC::parse('({a} + {b}) / {c}', ['a' => 1, 'b' => 5, 'c' => 4], 0));
}
