/** * Test isInteger * * @return void */ public function testIsInteger() { $this->assertTrue(Validation::isInteger(-10)); $this->assertTrue(Validation::isInteger(0)); $this->assertTrue(Validation::isInteger(10)); $this->assertTrue(Validation::isInteger('-10')); $this->assertTrue(Validation::isInteger('0')); $this->assertTrue(Validation::isInteger('10')); $this->assertFalse(Validation::isInteger('2.5')); $this->assertFalse(Validation::isInteger([])); $this->assertFalse(Validation::isInteger(new \StdClass())); $this->assertFalse(Validation::isInteger('2 bears')); }