/**
* @return null
*/
public function testAddJsHeadFile()
{
$src1 = 'my-file.js';
$this->assertFalse($this->htmlDoc->isJsHeadScript($src1));
$this->assertSame($this->htmlDoc, $this->htmlDoc->addJsHeadFile($src1));
$this->assertTrue($this->htmlDoc->isJsHeadScript($src1));
$file1 = new Script($src1);
$expected = array($file1);
$this->assertEquals($expected, $this->htmlDoc->getJsHeadScriptTags());
$src2 = 'your-file.js';
$this->assertFalse($this->htmlDoc->isJsHeadScript($src2));
$this->assertSame($this->htmlDoc, $this->htmlDoc->addJsHeadFile($src2));
$this->assertTrue($this->htmlDoc->isJsHeadScript($src1));
$this->assertTrue($this->htmlDoc->isJsHeadScript($src2));
$file2 = new Script($src2);
$expected = array($file1, $file2);
$this->assertEquals($expected, $this->htmlDoc->getJsHeadScriptTags());
$src3 = 'there-file.js';
$this->assertFalse($this->htmlDoc->isJsHeadScript($src3));
$this->assertSame($this->htmlDoc, $this->htmlDoc->addJsHeadFile($src3));
$this->assertTrue($this->htmlDoc->isJsHeadScript($src1));
$this->assertTrue($this->htmlDoc->isJsHeadScript($src2));
$this->assertTrue($this->htmlDoc->isJsHeadScript($src3));
$file3 = new Script($src3);
$expected = array($file1, $file2, $file3);
$this->assertEquals($expected, $this->htmlDoc->getJsHeadScriptTags());
}
