diff --git a/cosmic-common/src/test/java/com/cloud/utils/linux/MemStatTest.java b/cosmic-common/src/test/java/com/cloud/utils/linux/MemStatTest.java
index 1aaf34090a..eab87544ad 100644
--- a/cosmic-common/src/test/java/com/cloud/utils/linux/MemStatTest.java
+++ b/cosmic-common/src/test/java/com/cloud/utils/linux/MemStatTest.java
@@ -2,24 +2,28 @@
 
 import java.util.Scanner;
 
+import org.junit.Assert;
+import org.junit.Test;
 import org.junit.Assert;
 import org.junit.Test;
 
+import java.util.Scanner;
+
 public class MemStatTest {
+    final String memInfo = "MemTotal:        5830236 kB\n" +
+            "MemFree:          156752 kB\n" +
+            "Buffers:          326836 kB\n" +
+            "Cached:          2606764 kB\n" +
+            "SwapCached:            0 kB\n" +
+            "Active:          4260808 kB\n" +
+            "Inactive:         949392 kB\n";
+
     @Test
     public void getMemInfoParseTest() {
-        final String memInfo = "MemTotal:        5830236 kB\n" +
-                "MemFree:          156752 kB\n" +
-                "Buffers:          326836 kB\n" +
-                "Cached:          2606764 kB\n" +
-                "SwapCached:            0 kB\n" +
-                "Active:          4260808 kB\n" +
-                "Inactive:         949392 kB\n";
-
         MemStat memStat = null;
         try {
             memStat = new MemStat();
-        } catch (final RuntimeException ex) {
+        } catch (RuntimeException ex) {
             // If test isn't run on linux we'll fail creation of linux-specific MemStat class due
             // to dependency on /proc/meminfo if we don't catch here.
             // We are really only interested in testing the parsing algorithm and getters.
@@ -27,12 +31,28 @@ public void getMemInfoParseTest() {
                 throw ex;
             }
         }
-        final Scanner scanner = new Scanner(memInfo);
+        Scanner scanner = new Scanner(memInfo);
+        memStat.parseFromScanner(scanner);
+
+        Assert.assertEquals(memStat.getTotal(), Long.valueOf(5970161664L));
+        Assert.assertEquals(memStat.getAvailable(), Long.valueOf(2829840384L));
+        Assert.assertEquals(memStat.getFree(), Long.valueOf(160514048L));
+        Assert.assertEquals(memStat.getCache(), Long.valueOf(2669326336L));
+    }
+
+    @Test
+    public void reservedMemoryTest() {
+        MemStat memStat = null;
+        try {
+            memStat = new MemStat(1024);
+        } catch (RuntimeException ex) {
+            if (memStat == null) {
+                throw ex;
+            }
+        }
+        Scanner scanner = new Scanner(memInfo);
         memStat.parseFromScanner(scanner);
 
-        Assert.assertEquals(memStat.getTotal(), Double.valueOf(5830236));
-        Assert.assertEquals(memStat.getAvailable(), Double.valueOf(2763516));
-        Assert.assertEquals(memStat.getFree(), Double.valueOf(156752));
-        Assert.assertEquals(memStat.getCache(), Double.valueOf(2606764));
+        Assert.assertEquals(memStat.getTotal(), Long.valueOf(5970160640L));
     }
-}
+}
\ No newline at end of file