From 77aeb9c0849247dac60a6740464afbc079d0b224 Mon Sep 17 00:00:00 2001
From: ciaoosuuu <>
Date: Mon, 19 Sep 2022 17:55:16 +0800
Subject: [PATCH] Add assertions

---
 src/main/java/pony/Pony.java     | 1 +
 src/main/java/pony/TaskList.java | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/main/java/pony/Pony.java b/src/main/java/pony/Pony.java
index d8b7c2e946..f1a995485b 100644
--- a/src/main/java/pony/Pony.java
+++ b/src/main/java/pony/Pony.java
@@ -13,6 +13,7 @@ public class Pony {
      * @param filePath File path of the memory file.
      */
     public Pony(String filePath) {
+        assert filePath != null : "File path should not be empty";
         ui = new Ui();
         storage = new Storage(filePath);
         tasks = new TaskList(storage.loadTaskList());
diff --git a/src/main/java/pony/TaskList.java b/src/main/java/pony/TaskList.java
index 4c86c32bba..4d35053b0a 100644
--- a/src/main/java/pony/TaskList.java
+++ b/src/main/java/pony/TaskList.java
@@ -32,6 +32,7 @@ public Task getTask(int index) throws PonyException {
         if (index < 0 || index >= sizeOf()) {
             throw new PonyException("Task index invalid!!");
         }
+        assert index < sizeOf() && index >= 0 : "Task index should be valid";
         return tasks.get(index);
     }