diff --git a/tests/phpunit/tests/admin/includes/image/wpExifDate2ts.php b/tests/phpunit/tests/admin/includes/image/wpExifDate2ts.php
new file mode 100644
index 0000000000000..1abc32f0de73f
--- /dev/null
+++ b/tests/phpunit/tests/admin/includes/image/wpExifDate2ts.php
@@ -0,0 +1,45 @@
+<?php
+/**
+ * Tests for wp_exif_date2ts().
+ *
+ * @group admin
+ * @group media
+ *
+ * @covers ::wp_exif_date2ts
+ */
+class Tests_Admin_Includes_Image_WpExifDate2ts extends WP_UnitTestCase {
+
+	/**
+	 * Loads the tested file.
+	 */
+	public static function set_up_before_class() {
+		parent::set_up_before_class();
+
+		require_once ABSPATH . 'wp-admin/includes/image.php';
+	}
+
+	/**
+	 * @ticket 65819
+	 * @dataProvider data_exif_datetimes
+	 *
+	 * @param string $input Exif datetime to convert.
+	 */
+	public function test_converts_exif_datetime_to_timestamp( $input ) {
+		$this->assertSame(
+			strtotime( '2000-01-02 03:04:05' ),
+			wp_exif_date2ts( $input )
+		);
+	}
+
+	/**
+	 * Data provider for test_converts_exif_datetime_to_timestamp().
+	 *
+	 * @return array
+	 */
+	public static function data_exif_datetimes() {
+		return array(
+			'valid Exif datetime'    => array( '2000:01:02 03:04:05' ),
+			'surrounding whitespace' => array( " \t2000:01:02 03:04:05\r\n " ),
+		);
+	}
+}