Fix isolation in tests, so that they do not leave gobale toggle on, fix JSON parser map length

Signed-off-by: Alexander Lowey-Weber <alexander.weber@here.com>

Author: xeus2001

here-naksha-lib-base/src/jvmMain/java/naksha/base/JsonMap.java

@@ -117,8 +117,9 @@ public <T> JsonMap(@Nullable T @NotNull [] entries, int fromIndex, int toIndex)
    * @see #wrap(Object[], int)
    */
   public <T> JsonMap(@Nullable T @NotNull [] entries, int fromIndex, int toIndex, boolean intern) {
-    int length = toIndex - fromIndex;
-    if (length < 0 || length > entries.length || (length & 1) == 1) throw new IllegalArgumentException("Invalid entries array");
+    final int size = toIndex - fromIndex;
+    if (size < 0 || size > entries.length || (size & 1) == 1) throw new IllegalArgumentException("Invalid entries array");
+    int length = size >> 1;
 
     assert fromIndex >= 0 && fromIndex <= toIndex && toIndex <= entries.length;
     if (!intern) {

here-naksha-lib-base/src/jvmTest/java/naksha/base/JsonMapTest.java

@@ -6,6 +6,7 @@
 import static org.junit.jupiter.api.Assertions.*;
 
 public class JsonMapTest {
+
   @Test
   public void test_map_entry_set() {
     final JsonMap map = new JsonMap();
@@ -45,12 +46,17 @@ public void test_map_entry_set() {
   }
 
   @Test
-    public  void parserTest() {
+  public  void parserTest() {
+    final var newJsonParserEnabled = Platform.PlatformCompanion.useNewJson();
+    Platform.PlatformCompanion.enableNewJsonParser();
+    try {
       final String json = "{\"type\":\"Feature\",\"momType\":\"Topology\",\"id\":\"urn:here::ipc:Topology:12345\",\"geometry\":{\"type\":\"LineString\",\"coordinates\":[[45.0,45.0],[45.0,46.0]]},\"properties\":{\"startNodeId\":\"So long, and thanks for all the fish.\",\"endNodeId\":\"So long, and thanks for all the fish.\",\"leftAdmin\":[{\"range\":{\"endOffset\":1.0,\"startOffset\":0.0},\"value\":{\"id\":\"urn:here::here:admin:82928227\"}}]}}";
-      Platform.PlatformCompanion.enableNewJsonParser();
       Object o = Platform.fromJSON(json);
       assertInstanceOf(JvmMap.class, o);
       var jvmMap = (JvmMap) o;
       assertTrue(jvmMap.containsKey("properties"));
+    } finally {
+      if (!newJsonParserEnabled) Platform.PlatformCompanion.disableNewJsonParser();
+    }
   }
 }