@@ -0,0 +1,370 @@
+package seedu.address.commons.util;%0A%0Aimport static org.junit.Assert.*;%0A%0Aimport org.junit.Test;%0A%0A//@@author A0139024M%0Apublic class CommandUtilTest %7B%0A    %0A    @Test%0A    public void isInValidIndex()%7B%0A        assertFalse(CommandUtil.isValidIndex(%22C1%22, 1, 1));   %0A    %7D%0A    %0A    @Test%0A    public void getTaskType()%7B%0A        assertNull(CommandUtil.getTaskType(%22C%22));%0A    %7D%0A%0A%7D%0A

add CommandUtilTest