use Symfony\Component\ExpressionLanguage\ParserCache\ParserCacheAdapter;

use Symfony\Component\ExpressionLanguage\ParserCache\ParserCacheInterface;

public function __construct($cache = null, array $providers = array())

if (null !== $cache) {

if ($cache instanceof ParserCacheInterface) {

@trigger_error(sprintf('Passing an instance of %s as constructor argument for %s is deprecated as of 3.2 and will be removed in 4.0. Pass an instance of %s instead.', ParserCacheInterface::class, self::class, CacheItemPoolInterface::class), E_USER_DEPRECATED);

$cache = new ParserCacheAdapter($cache);

} elseif (!$cache instanceof CacheItemPoolInterface) {

throw new \InvalidArgumentException(sprintf('Cache argument has to implement %s.', CacheItemPoolInterface::class));

}

}

/**

public function testCachedParseWithDeprecatedParserCacheInterface()

{

$cacheMock = $this->getMockBuilder('Symfony\Component\ExpressionLanguage\ParserCache\ParserCacheInterface')->getMock();

$cacheItemMock = $this->getMockBuilder('Psr\Cache\CacheItemInterface')->getMock();

$savedParsedExpression = null;

$expressionLanguage = new ExpressionLanguage($cacheMock);

$cacheMock

->expects($this->exactly(1))

->method('fetch')

->with('1%20%2B%201%2F%2F')

->willReturn($savedParsedExpression)

;

$cacheMock

->expects($this->exactly(1))

->method('save')

->with('1%20%2B%201%2F%2F', $this->isInstanceOf(ParsedExpression::class))

->will($this->returnCallback(function ($key, $expression) use (&$savedParsedExpression) {

$savedParsedExpression = $expression;

}))

;

$parsedExpression = $expressionLanguage->parse('1 + 1', array());

$this->assertSame($savedParsedExpression, $parsedExpression);

}

/**

public function testWrongCacheImplementation()

{

$cacheMock = $this->getMockBuilder('Psr\Cache\CacheItemSpoolInterface')->getMock();

$expressionLanguage = new ExpressionLanguage($cacheMock);

}