From 83bc7cc22d7ace761b6d1be565e2dc71d556d31e Mon Sep 17 00:00:00 2001
From: tannal <tannal2409@gmail.com>
Date: Sun, 19 Jan 2025 00:21:18 +0800
Subject: Add a test for redefining variables in chapter 3

---
 .../src/test/java/com/seaofnodes/simple/Chapter03Test.java     | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'chapter03')

diff --git a/chapter03/src/test/java/com/seaofnodes/simple/Chapter03Test.java b/chapter03/src/test/java/com/seaofnodes/simple/Chapter03Test.java
index bdb1d9ea..3b8b3449 100644
--- a/chapter03/src/test/java/com/seaofnodes/simple/Chapter03Test.java
+++ b/chapter03/src/test/java/com/seaofnodes/simple/Chapter03Test.java
@@ -54,6 +54,16 @@ public class Chapter03Test {
         }
     }
 
+    @Test
+    public void testRedeclareVar() {
+        try {
+            new Parser("int a=1; int b=2; int c=0; int b=3; c=a+b;").parse();
+            fail();
+        } catch( RuntimeException e ) {
+            assertEquals("Redefining name 'b'",e.getMessage());
+        }
+    }
+
     @Test
     public void testBad1() {
         try {
-- 
cgit v1.2.3