diff --git a/core/modules/migrate/src/Plugin/migrate/process/DefaultValue.php b/core/modules/migrate/src/Plugin/migrate/process/DefaultValue.php
index a5e63888e2e6d6fc2a37a0877fedb0306d112056..3fa39d04fed8e14687d4312180eb1b1a511c0a69 100644
--- a/core/modules/migrate/src/Plugin/migrate/process/DefaultValue.php
+++ b/core/modules/migrate/src/Plugin/migrate/process/DefaultValue.php
@@ -41,7 +41,8 @@
  * @see \Drupal\migrate\Plugin\MigrateProcessInterface
  *
  * @MigrateProcessPlugin(
- *   id = "default_value"
+ *   id = "default_value",
+ *   handle_multiples = TRUE
  * )
  */
 class DefaultValue extends ProcessPluginBase {
diff --git a/core/modules/migrate/tests/src/Unit/process/DefaultValueTest.php b/core/modules/migrate/tests/src/Unit/process/DefaultValueTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..85496f9d5b661c22703426b8b4800ba9780cba41
--- /dev/null
+++ b/core/modules/migrate/tests/src/Unit/process/DefaultValueTest.php
@@ -0,0 +1,143 @@
+<?php
+
+namespace Drupal\Tests\migrate\Unit\process;
+
+use Drupal\migrate\Plugin\migrate\process\DefaultValue;
+
+/**
+ * Tests the default_value process plugin.
+ *
+ * @group migrate
+ * @coversDefaultClass \Drupal\migrate\Plugin\migrate\process\DefaultValue
+ */
+class DefaultValueTest extends MigrateProcessTestCase {
+
+  /**
+   * Tests the default_value process plugin.
+   *
+   * @covers ::transform
+   *
+   * @dataProvider defaultValueDataProvider
+   */
+  public function testDefaultValue($configuration, $expected_value, $value) {
+    $process = new DefaultValue($configuration, 'default_value', []);
+    $value = $process->transform($value, $this->migrateExecutable, $this->row, 'destinationproperty');
+    $this->assertSame($expected_value, $value);
+  }
+
+  /**
+   * Provides data for the successful lookup test.
+   *
+   * @return array
+   */
+  public function defaultValueDataProvider() {
+    return [
+      'strict_true_value_populated_array' => [
+        'configuration' => [
+          'strict' => TRUE,
+          'default_value' => 1,
+        ],
+        'expected_value' => [0, 1, 2],
+        'value' => [0, 1, 2],
+      ],
+      'strict_true_value_empty_string' => [
+        'configuration' => [
+          'strict' => TRUE,
+          'default_value' => 1,
+        ],
+        'expected_value' => '',
+        'value' => '',
+      ],
+      'strict_true_value_false' => [
+        'configuration' => [
+          'strict' => TRUE,
+          'default_value' => 1,
+        ],
+        'expected_value' => FALSE,
+        'value' => FALSE,
+      ],
+      'strict_true_value_null' => [
+        'configuration' => [
+          'strict' => TRUE,
+          'default_value' => 1,
+        ],
+        'expected_value' => 1,
+        'value' => NULL,
+      ],
+      'strict_true_value_zero_string' => [
+        'configuration' => [
+          'strict' => TRUE,
+          'default_value' => 1,
+        ],
+        'expected_value' => '0',
+        'value' => '0',
+      ],
+      'strict_true_value_zero' => [
+        'configuration' => [
+          'strict' => TRUE,
+          'default_value' => 1,
+        ],
+        'expected_value' => 0,
+        'value' => 0,
+      ],
+      'strict_true_value_empty_array' => [
+        'configuration' => [
+          'strict' => TRUE,
+          'default_value' => 1,
+        ],
+        'expected_value' => [],
+        'value' => [],
+      ],
+      'array_populated' => [
+        'configuration' => [
+          'default_value' => 1,
+        ],
+        'expected_value' => [0, 1, 2],
+        'value' => [0, 1, 2],
+      ],
+      'empty_string' => [
+        'configuration' => [
+          'default_value' => 1,
+        ],
+        'expected_value' => 1,
+        'value' => '',
+      ],
+      'false' => [
+        'configuration' => [
+          'default_value' => 1,
+        ],
+        'expected_value' => 1,
+        'value' => FALSE,
+      ],
+      'null' => [
+        'configuration' => [
+          'default_value' => 1,
+        ],
+        'expected_value' => 1,
+        'value' => NULL,
+      ],
+      'string_zero' => [
+        'configuration' => [
+          'default_value' => 1,
+        ],
+        'expected_value' => 1,
+        'value' => '0',
+      ],
+      'int_zero' => [
+        'configuration' => [
+          'default_value' => 1,
+        ],
+        'expected_value' => 1,
+        'value' => 0,
+      ],
+      'empty_array' => [
+        'configuration' => [
+          'default_value' => 1,
+        ],
+        'expected_value' => 1,
+        'value' => [],
+      ],
+    ];
+  }
+
+}