Add tests for German dates, enable splitting of 5 digit timespans

tests/NodaTimeAutotranslaterTest.php

@@ -255,6 +255,28 @@ final class NodaTimeAutotranslaterTest extends TestCase {
 
     }
 
+    /**
+     * Test to check whether the HTML page is correctly generated.
+     *
+     * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+     * @group  ValidOutput
+     *
+     * @return void
+     */
+    public function testCanTranslateSingleThreeDigitYearBeforeCommonEra():void {
+
+        $timeInfo = [
+            "zeit_beginn" => "-100",
+            "zeit_ende"   => "-100",
+            "zeit_zaehlzeit_jahr"  => "100",
+            "zeit_zaehlzeit_monat" => "00",
+            "zeit_zaehlzeit_tag"   => "00",
+        ];
+        $output = NodaTimeAutotranslater::getTranslations($timeInfo);
+        self::assertEquals($output["de"], "100 v. Chr.");
+
+    }
+
     /**
      * Test to check whether the HTML page is correctly generated.
      *