/** * @covers Fuel\Common\Date::sub * @group Common */ public function testSub() { $expected = 'Sun Dec 22 23:23:28 2013'; $this->instance->sub(10); $this->assertEquals((string) $this->instance, $expected); $expected = 'Sun Dec 22 23:23:38 2013'; $this->instance->sub(-10); $this->assertEquals((string) $this->instance, $expected); $er = error_reporting(0); $result = $this->instance->sub('invalid'); $this->assertFalse($result); error_reporting($er); }