jackwener commented on code in PR #12818:
URL: https://github.com/apache/doris/pull/12818#discussion_r978341424


##########
fe/fe-core/src/test/java/org/apache/doris/catalog/ColumnStatsTest.java:
##########
@@ -59,29 +57,29 @@ public void testSerialization() throws Exception {
         dos.close();
 
         // 2. Read objects from file
-        DataInputStream dis = new DataInputStream(new FileInputStream(file));
+        DataInputStream dis = new DataInputStream(Files.newInputStream(path));
         ColumnStats rStats1 = new ColumnStats();
         rStats1.readFields(dis);
-        Assert.assertTrue(rStats1.equals(stats1));
+        Assert.assertEquals(rStats1, stats1);
 
         ColumnStats rStats2 = new ColumnStats();
         rStats2.readFields(dis);
-        Assert.assertTrue(rStats2.equals(stats2));
+        Assert.assertEquals(rStats2, stats2);
 
         ColumnStats rStats3 = ColumnStats.read(dis);
-        Assert.assertTrue(rStats3.equals(stats3));
+        Assert.assertEquals(rStats3, stats3);
 
         ColumnStats rStats4 = ColumnStats.read(dis);
-        Assert.assertTrue(rStats4.equals(stats4));
-        Assert.assertTrue(rStats4.equals(stats3));
+        Assert.assertEquals(rStats4, stats4);
+        Assert.assertEquals(rStats4, stats3);
 
-        Assert.assertTrue(rStats3.equals(rStats3));
-        Assert.assertFalse(rStats3.equals(this));
-        Assert.assertFalse(rStats2.equals(rStats3));
+        Assert.assertEquals(rStats3, rStats3);
+        Assert.assertNotEquals(rStats3, this);
+        Assert.assertNotEquals(rStats2, rStats3);
 
         // 3. delete files
         dis.close();
-        file.delete();
+        Files.exists(path);

Review Comment:
   deleteIfExists



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