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<?php
namespace Illuminate\Tests\Support;
use Illuminate\Support\HtmlString;
use PHPUnit\Framework\TestCase;
class SupportHtmlStringTest extends TestCase
{
public function testToHtml(): void
{
// Check if HtmlString correctly converts a basic HTML string
$str = '<h1>foo</h1>';
$html = new HtmlString('<h1>foo</h1>');
$this->assertEquals($str, $html->toHtml());
// Check if HtmlString correctly preserves leading blank spaces in the HTML string
$startWithBlankSpaces = ' <h1> foo</h1>';
$html = new HtmlString(' <h1> foo</h1>');
$this->assertEquals($startWithBlankSpaces, $html->toHtml());
// Check if HtmlString correctly preserves trailing blank spaces in the HTML string
$endsWithBlankSpaces = '<h1>foo </h1> ';
$html = new HtmlString('<h1>foo </h1> ');
$this->assertEquals($endsWithBlankSpaces, $html->toHtml());
// Check if HtmlString correctly handles an empty string
$emptyHtml = new HtmlString('');
$this->assertEquals('', $emptyHtml->toHtml());
// Check if HtmlString correctly converts a plain text string
$str = 'foo bar';
$html = new HtmlString($str);
$this->assertEquals($str, $html->toHtml());
}
public function testToString()
{
$str = '<h1>foo</h1>';
$html = new HtmlString('<h1>foo</h1>');
$this->assertEquals($str, (string) $html);
// Check if HtmlString gracefully handles a null value
$html = new HtmlString(null);
$this->assertIsString((string) $html);
}
public function testIsEmpty(): void
{
// Check if HtmlString correctly identifies an empty string as empty
$this->assertTrue((new HtmlString(''))->isEmpty());
// Check if HtmlString identifies a null value as empty
$this->assertTrue((new HtmlString(null))->isEmpty());
// HtmlString with whitespace should not be considered as empty
$this->assertFalse((new HtmlString(' '))->isEmpty());
// HtmlString with content should not be considered as empty
$this->assertFalse((new HtmlString('<p>Hello</p>'))->isEmpty());
}
public function testIsNotEmpty()
{
$this->assertTrue((new HtmlString('foo'))->isNotEmpty());
}
}
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