Initial checkin

qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/collections/ListBuilderTest.java

@@ -0,0 +1,72 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2023.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.kingsrook.qqq.backend.core.utils.collections;
+
+
+import java.util.List;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+
+/*******************************************************************************
+ ** Unit test for ListBuilder
+ *******************************************************************************/
+class ListBuilderTest
+{
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void testSameAsListOf()
+   {
+      assertEquals(List.of(1), ListBuilder.of(1));
+      assertEquals(List.of(1, 2), ListBuilder.of(1, 2));
+      assertEquals(List.of(1, 2, 3), ListBuilder.of(1, 2, 3));
+      assertEquals(List.of(1, 2, 3, 4), ListBuilder.of(1, 2, 3, 4));
+      assertEquals(List.of(1, 2, 3, 4, 5), ListBuilder.of(1, 2, 3, 4, 5));
+      assertEquals(List.of(1, 2, 3, 4, 5, 6), ListBuilder.of(1, 2, 3, 4, 5, 6));
+      assertEquals(List.of(1, 2, 3, 4, 5, 6, 7), ListBuilder.of(1, 2, 3, 4, 5, 6, 7));
+      assertEquals(List.of(1, 2, 3, 4, 5, 6, 7, 8), ListBuilder.of(1, 2, 3, 4, 5, 6, 7, 8));
+      assertEquals(List.of(1, 2, 3, 4, 5, 6, 7, 8, 9), ListBuilder.of(1, 2, 3, 4, 5, 6, 7, 8, 9));
+      assertEquals(List.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10), ListBuilder.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
+   }
+
+
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void testBetterThanListMapOf()
+   {
+      ///////////////////////////////
+      // assert this doesn't throw //
+      ///////////////////////////////
+      List<Integer> list = ListBuilder.of(1, null, 3);
+
+      ///////////////////////////////////////
+      // this too, doesn't freaking throw. //
+      ///////////////////////////////////////
+      list.add(4);
+   }
+}