diff --git a/core/tests/Drupal/Tests/Core/StringTranslation/TranslationWrapperTest.php b/core/tests/Drupal/Tests/Core/StringTranslation/TranslationWrapperTest.php
new file mode 100644
index 0000000..91eeaf3
--- /dev/null
+++ b/core/tests/Drupal/Tests/Core/StringTranslation/TranslationWrapperTest.php
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\Core\StringTranslation\TranslationManagerTest.
+ */
+
+namespace Drupal\Tests\Core\StringTranslation;
+
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\Core\StringTranslation\TranslationWrapper;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * @coversDefaultClass \Drupal\Core\StringTranslation\TranslationWrapper
+ * @group StringTranslation
+ */
+class TranslationWrapperTest extends UnitTestCase {
+
+  /**
+   * The translation manager used for testing.
+   *
+   * @var \Drupal\Core\StringTranslation\TranslationInterface|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $translationManager;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    $this->translationManager = $this->getStringTranslationStub();
+    $container = new ContainerBuilder();
+    $container->set('string_translation', $this->translationManager);
+    \Drupal::setContainer($container);
+  }
+
+  /**
+   * @covers ::__construct
+   * @covers ::__toString
+   * @covers ::render
+   *
+   * @dataProvider providerTestConstruction
+   */
+  public function testConstruction($expected, $string, $options = []) {
+
+    $this->translationManager->expects($this->exactly(2))
+      ->method('translate')
+      ->with($string, [], $options);
+
+    $wrapper = new TranslationWrapper($string, $options);
+
+    $this->assertSame($expected, (string) $wrapper);
+    $this->assertSame($expected, $wrapper->render());
+  }
+
+  /**
+   * Provides data to self::testConstruction().
+   */
+  public function providerTestConstruction() {
+    $data = array();
+    $data[] = array(
+      'Foo',
+      'Foo',
+    );
+
+    $data[] = array(
+      'Foo',
+      'Foo',
+      ['context' => 'Bar'],
+    );
+
+    return $data;
+  }
+
+}