1 files changed, 43 insertions, 0 deletions
diff --git a/tests/lib/Lock/NonCachingDBLockingProviderTest.php b/tests/lib/Lock/NonCachingDBLockingProviderTest.php
new file mode 100644
index 00000000000..4f05f0ba892
--- /dev/null
+++ b/tests/lib/Lock/NonCachingDBLockingProviderTest.php
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace Test\Lock;
+
+use OC\Lock\DBLockingProvider;
+use OCP\IDBConnection;
+use OCP\Lock\ILockingProvider;
+use OCP\Server;
+
+/**
+ * @group DB
+ *
+ * @package Test\Lock
+ */
+class NonCachingDBLockingProviderTest extends DBLockingProviderTest {
+	/**
+	 * @return ILockingProvider
+	 */
+	protected function getInstance() {
+		$this->connection = Server::get(IDBConnection::class);
+		return new DBLockingProvider($this->connection, $this->timeFactory, 3600, false);
+	}
+
+	public function testDoubleShared(): void {
+		$this->instance->acquireLock('foo', ILockingProvider::LOCK_SHARED);
+		$this->instance->acquireLock('foo', ILockingProvider::LOCK_SHARED);
+
+		$this->assertEquals(2, $this->getLockValue('foo'));
+
+		$this->instance->releaseLock('foo', ILockingProvider::LOCK_SHARED);
+
+		$this->assertEquals(1, $this->getLockValue('foo'));
+
+		$this->instance->releaseLock('foo', ILockingProvider::LOCK_SHARED);
+
+		$this->assertEquals(0, $this->getLockValue('foo'));
+	}
+}