function CacheCollectorTest::testSetAndGetNull

Makes sure that NULL is a valid value and is collected.

File

core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php, line 94

Class

CacheCollectorTest

@coversDefaultClass \Drupal\Core\Cache\CacheCollector[[api-linebreak]] @group Cache

Namespace

Code

public function testSetAndGetNull() : void {
  $key = $this->randomMachineName();
  $value = NULL;
  $this->cacheBackend
    ->expects($this->once())
    ->method('invalidate')
    ->with($this->cid);
  $this->collector
    ->set($key, $value);
  $this->assertTrue($this->collector
    ->has($key));
  $this->assertEquals($value, $this->collector
    ->get($key));
  // Ensure that getting a value that isn't set does not mark it as
  // existent.
  $non_existing_key = $this->randomMachineName(7);
  $this->collector
    ->get($non_existing_key);
  $this->assertFalse($this->collector
    ->has($non_existing_key));
}