diff --git a/src/test/java/org/tron/utils/TypeConversionTest.java b/src/test/java/org/tron/utils/TypeConversionTest.java
index 3e34591fcb5..f5b118a1db1 100644
--- a/src/test/java/org/tron/utils/TypeConversionTest.java
+++ b/src/test/java/org/tron/utils/TypeConversionTest.java
@@ -15,6 +15,7 @@
 
 package org.tron.utils;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.tron.common.utils.TypeConversion.bytesToHexString;
 import static org.tron.common.utils.TypeConversion.bytesToLong;
@@ -34,25 +35,28 @@ public class TypeConversionTest {
   @Test
   public void testLongToBytes() {
     byte[] result = longToBytes(123L);
-    assertTrue(Arrays.equals(result, new byte[]{0, 0, 0, 0, 0, 0, 0, 123}));
+    assertTrue(Arrays.equals(new byte[]{0, 0, 0, 0, 0, 0, 0, 123}, result));
     logger.info("long 123 to bytes is: {}", result);
   }
 
   @Test
   public void testBytesToLong() {
     long result = bytesToLong(new byte[]{0, 0, 0, 0, 0, 0, 0, 124});
+    assertEquals(124L, result);
     logger.info("bytes 124 to long is: {}", result);
   }
 
   @Test
   public void testBytesToHexString() {
     String result = bytesToHexString(new byte[]{0, 0, 0, 0, 0, 0, 0, 125});
+    assertEquals("000000000000007d", result);
     logger.info("bytes 125 to hex string is: {}", result);
   }
 
   @Test
   public void testHexStringToBytes() {
     byte[] result = hexStringToBytes("7f");
+    assertTrue(Arrays.equals(new byte[]{127}, result));
     logger.info("hex string 7f to bytes is: {}", result);
   }
 }