public function testExtAccessors() { $url = new \r8\URL(); $this->assertFalse($url->extExists()); $this->assertNull($url->getExt()); $this->assertSame($url, $url->setExt("html")); $this->assertTrue($url->extExists()); $this->assertSame("html", $url->getExt()); $this->assertSame($url, $url->clearExt()); $this->assertFalse($url->extExists()); $this->assertNull($url->getExt()); $this->assertSame($url, $url->setExt(".CSS")); $this->assertTrue($url->extExists()); $this->assertSame("CSS", $url->getExt()); $this->assertSame($url, $url->setExt(" ")); $this->assertFalse($url->extExists()); $this->assertNull($url->getExt()); }