From 1403afa5e89fece10d3f7f57ab0c04fbe41e689e Mon Sep 17 00:00:00 2001
From: Axel Uhl <axel.uhl@sap.com>
Date: Sat, 14 May 2022 12:32:21 +0200
Subject: [PATCH] added JvmMemorySizeSpecTest

---
 .../sap/sse/test/JvmMemorySizeSpecTest.java   | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 java/com.sap.sse.test/src/com/sap/sse/test/JvmMemorySizeSpecTest.java

diff --git a/java/com.sap.sse.test/src/com/sap/sse/test/JvmMemorySizeSpecTest.java b/java/com.sap.sse.test/src/com/sap/sse/test/JvmMemorySizeSpecTest.java
new file mode 100644
index 00000000000..0cd8f0a1c62
--- /dev/null
+++ b/java/com.sap.sse.test/src/com/sap/sse/test/JvmMemorySizeSpecTest.java
@@ -0,0 +1,41 @@
+package com.sap.sse.test;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import com.sap.sse.util.JvmUtils;
+
+public class JvmMemorySizeSpecTest {
+    @Test
+    public void testPlainBytes() {
+        assertEquals(1, (int) JvmUtils.getMegabytesFromJvmSize(""+1024*1024).get());
+    }
+
+    @Test
+    public void testMegsLowercase() {
+        assertEquals(1024, (int) JvmUtils.getMegabytesFromJvmSize("1024m").get());
+    }
+
+    @Test
+    public void testMegsUppercase() {
+        assertEquals(1024, (int) JvmUtils.getMegabytesFromJvmSize("1024M").get());
+    }
+
+    @Test
+    public void testGigsLowercase() {
+        assertEquals(1024, (int) JvmUtils.getMegabytesFromJvmSize("1g").get());
+    }
+
+    @Test
+    public void testGigsUppercase() {
+        assertEquals(10240, (int) JvmUtils.getMegabytesFromJvmSize("10G").get());
+    }
+    
+    @Test
+    public void testRoundingUp() {
+        assertEquals(1, (int) JvmUtils.getMegabytesFromJvmSize("100").get());
+        assertEquals(1, (int) JvmUtils.getMegabytesFromJvmSize(""+1024*1023).get());
+        assertEquals(2, (int) JvmUtils.getMegabytesFromJvmSize(""+1024*1025).get());
+    }
+}
\ No newline at end of file