@@ -0,0 +1,453 @@
+//@@author A0124153U%0A%0Apackage seedu.todoapp.model.person;%0A%0Aimport static org.junit.Assert.assertTrue;%0A%0Aimport org.junit.Test;%0A%0Apublic class CompletionTest %7B%0A%0A    @Test%0A    public void isValidCompletion() %7B%0A%0A        //valid notes%0A        assertTrue(Completion.isValidCompletion(%22%22)); // empty string%0A        assertTrue(Completion.isValidCompletion(%22true%22)); // true value%0A        assertTrue(Completion.isValidCompletion(%22false%22)); // false value%0A    %7D%0A%7D%0A

add CompletionTest