Fixing string out of bounds when description is empty

src/Tools/vmOpsTool/VmOpsTool.java

@@ -100,7 +100,7 @@ public class VmOpsTool {
 
         System.out.println("Parsing input parameters...");
         for (String arg : cmdArgs) {
-            if (arg.charAt(0) == '-') {
+            if (!arg.equals("") && arg.charAt(0) == '-') {
                 key = arg;
             } else if (!arg.equals(Constants.vmOpsTool)){
                 value = arg;

tests/Tools/vmOpsTool/VmOpsToolUnitTests.java

@@ -30,6 +30,18 @@ public class VmOpsToolUnitTests {
         assertThat(argsMap.get(Constants.vCenterUrl)).isEqualTo(vCenterUrl);
     }
 
+    @Test
+    public void parseCmdArgsWithEmptyDescription() {
+        String[] cmdArgs = { Constants.vmOpsTool, Constants.description, "" };
+
+        Map<String, String> argsMap = VmOpsTool.parseCmdLine(cmdArgs);
+
+        assertThat(argsMap.size()).isEqualTo(1);
+        assertThat(argsMap.containsKey(Constants.vmOpsTool)).isEqualTo(false);
+        assertThat(argsMap.containsKey(Constants.description)).isEqualTo(true);
+        assertThat(argsMap.get(Constants.description)).isEqualTo("");
+    }
+
     @Test
     public void executeActionShouldSucceedForCreateAndDeleteSnapshotOperation() throws Exception {
         // Create snapshot operation validation