[dubbo] branch 3.0 updated: Add unit test for BitList (#8415)

[al...@apache.org]

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albumenj pushed a commit to branch 3.0
in repository https://gitbox.apache.org/repos/asf/dubbo.git


The following commit(s) were added to refs/heads/3.0 by this push:
     new 536f317  Add unit test for BitList (#8415)
536f317 is described below

commit 536f31705775bd12fa86ba044f2b9b7414e04c65
Author: 灼华 <43...@users.noreply.github.com>
AuthorDate: Thu Aug 5 14:05:15 2021 +0800

    Add unit test for BitList (#8415)
    
    * Add unit test for BitList
    
    * FIX UT
---
 .../rpc/cluster/router/state/BitListTest.java      | 91 ++++++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/dubbo-cluster/src/test/java/org/apache/dubbo/rpc/cluster/router/state/BitListTest.java b/dubbo-cluster/src/test/java/org/apache/dubbo/rpc/cluster/router/state/BitListTest.java
new file mode 100644
index 0000000..3761f72
--- /dev/null
+++ b/dubbo-cluster/src/test/java/org/apache/dubbo/rpc/cluster/router/state/BitListTest.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.rpc.cluster.router.state;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+
+public class BitListTest {
+    @Test
+    public void test() {
+        List<String> list = Arrays.asList("A", "B", "C");
+        BitList<String> bitList = new BitList<>(list);
+        Assertions.assertEquals(bitList.getUnmodifiableList(), list);
+        Assertions.assertEquals(3, bitList.size());
+
+        Assertions.assertEquals("A", bitList.get(0));
+        Assertions.assertEquals("B", bitList.get(1));
+        Assertions.assertEquals("C", bitList.get(2));
+
+        Assertions.assertTrue(bitList.contains("A"));
+        Assertions.assertTrue(bitList.contains("B"));
+        Assertions.assertTrue(bitList.contains("C"));
+
+        Iterator<String> iterator = bitList.iterator();
+        while (iterator.hasNext()) {
+            String str = iterator.next();
+            Assertions.assertTrue(list.contains(str));
+        }
+
+        Assertions.assertEquals(0, bitList.indexOf("A"));
+        Assertions.assertEquals(1, bitList.indexOf("B"));
+        Assertions.assertEquals(2, bitList.indexOf("C"));
+
+        Object[] objects = bitList.toArray();
+        for (Object obj : objects) {
+            Assertions.assertTrue(list.contains(obj));
+        }
+
+        Object[] newObjects = new Object[1];
+        Object[] copiedList = bitList.toArray(newObjects);
+        Assertions.assertEquals(copiedList.length, 3);
+        Assertions.assertArrayEquals(copiedList, list.toArray());
+
+        newObjects = new Object[10];
+        copiedList = bitList.toArray(newObjects);
+        Assertions.assertNull(copiedList);
+
+        bitList.remove(0);
+        Assertions.assertEquals("B", bitList.get(0));
+        bitList.addIndex(0);
+        Assertions.assertEquals("A", bitList.get(0));
+
+        bitList.removeAll(list);
+        Assertions.assertEquals(0, bitList.size());
+        bitList.clear();
+    }
+
+    @Test
+    public void testIntersect() {
+        List<String> aList = Arrays.asList("A", "B", "C");
+        List<String> bList = Arrays.asList("A", "B");
+        List<String> totalList = Arrays.asList("A", "B", "C");
+
+        BitList<String> aBitList = new BitList<>(aList);
+        BitList<String> bBitList = new BitList<>(bList);
+
+        BitList<String> intersectBitList = aBitList.intersect(bBitList, totalList);
+        Assertions.assertEquals(intersectBitList.size(), 2);
+        Assertions.assertEquals(intersectBitList.get(0), totalList.get(0));
+        Assertions.assertEquals(intersectBitList.get(1), totalList.get(1));
+    }
+
+}