public function testLessThanOrEqualTo() { $l = '2387432479223'; $r = '3845987346534875'; $this->assertTrue(Number::lessThanOrEqualTo($l, $r)); $l = '3845987346534875'; $r = '2387432479223'; $this->assertFalse(Number::lessThanOrEqualTo($l, $r)); $l = '3845987346534875'; $r = '3845987346534875'; $this->assertTrue(Number::lessThanOrEqualTo($l, $r)); }