From c519d2be47c15ecad61d3f9e21b3e198c565d352 Mon Sep 17 00:00:00 2001
From: michaelin007 <michaelolayemi28@gmail.com>
Date: Fri, 24 Nov 2023 09:35:01 +0000
Subject: [PATCH] https://jira.baeldung.com/browse/BAEL-7268

---
 .../baeldung/unixtime/UnixTimeUnitTest.java   | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 core-java-modules/core-java-8-datetime-2/src/test/java/com/baeldung/unixtime/UnixTimeUnitTest.java

diff --git a/core-java-modules/core-java-8-datetime-2/src/test/java/com/baeldung/unixtime/UnixTimeUnitTest.java b/core-java-modules/core-java-8-datetime-2/src/test/java/com/baeldung/unixtime/UnixTimeUnitTest.java
new file mode 100644
index 0000000000..d1518ceef5
--- /dev/null
+++ b/core-java-modules/core-java-8-datetime-2/src/test/java/com/baeldung/unixtime/UnixTimeUnitTest.java
@@ -0,0 +1,50 @@
+package com.baeldung.unixtime;
+
+
+import static org.junit.Assert.assertEquals;
+
+import java.time.Instant;
+import java.util.Date;
+
+import org.joda.time.DateTime;
+import org.joda.time.DateTimeZone;
+import org.junit.jupiter.api.Test;
+
+public class UnixTimeUnitTest {
+
+    @Test
+    public void givenCurrentTimeUsingDateApi_whenConvertedToUnixTime_thenConsistent() {
+        long marginOfError = 1L;
+        Date date = new Date();
+        long longTime = date.getTime() / 1000L;
+
+        for (int i = 0; i < 10; i++) {
+            long unixTime = System.currentTimeMillis() / 1000L;
+            assertEquals(longTime, unixTime, marginOfError);
+        }
+    }
+
+    @Test
+    public void givenCurrentTimeUsingInstantNow_whenConvertedToUnixTime_thenConsistent() {
+        long marginOfError = 1L;
+        long longTime = Instant.now().getEpochSecond();
+
+        for (int i = 0; i < 10; i++) {
+            long unixTime = System.currentTimeMillis() / 1000L;
+            assertEquals(longTime, unixTime, marginOfError);
+        }
+    }
+
+    @Test
+    public void givenCurrentTimeUsingJodaTime_whenConvertedToUnixTime_thenConsistent() {
+        long marginOfError = 1L;
+        DateTime dateTime = DateTime.now(DateTimeZone.UTC);
+        long longTime = dateTime.getMillis() / 1000L;
+
+        for (int i = 0; i < 10; i++) {
+            long unixTime = System.currentTimeMillis() / 1000L;
+            assertEquals(longTime, unixTime, marginOfError);
+        }
+    }
+
+}