function GenericCacheBackendUnitTestBase::testValueTypeIsKept

Tests data type preservation.

File

core/tests/Drupal/KernelTests/Core/Cache/GenericCacheBackendUnitTestBase.php, line 277

Class

GenericCacheBackendUnitTestBase

Tests any cache backend.

Namespace

Code

public function testValueTypeIsKept() : void {
    $backend = $this->getCacheBackend();
    $variables = [
        'test1' => 1,
        'test2' => '0',
        'test3' => '',
        'test4' => 12.64,
        'test5' => FALSE,
        'test6' => [
            1,
            2,
            3,
        ],
    ];
    // Create cache entries.
    foreach ($variables as $cid => $data) {
        $backend->set($cid, $data);
    }
    // Retrieve and test cache objects.
    foreach ($variables as $cid => $value) {
        $object = $backend->get($cid);
        $this->assertIsObject($object, sprintf("Backend returned an object for cache id %s.", $cid));
        $this->assertSame($value, $object->data, sprintf("Data of cached id %s kept is identical in type and value", $cid));
    }
}