From 2a3b7e9b2e0a3a96d69830af2ad9386f4681e086 Mon Sep 17 00:00:00 2001
From: tracer-ysyx <tracer@ysyx.org>
Date: Sat, 13 Jan 2024 09:45:22 +0800
Subject: [PATCH] =?UTF-8?q?>=20compile=20NEMU=20ysyx=5F22040000=20?=
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---
 nemu/tests/expr_test.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nemu/tests/expr_test.c b/nemu/tests/expr_test.c
index efb89d0..bb91ae2 100644
--- a/nemu/tests/expr_test.c
+++ b/nemu/tests/expr_test.c
@@ -79,6 +79,10 @@ START_TEST(test_expr_random_100) {
   fclose(fp);
 
   int ret = system("gcc /tmp/.code.c -Werror=div-by-zero -o /tmp/.expr");
+  if(ret == -1) {
+    // Probably devide by zero. Skip
+    goto clean_up;
+  }
   ck_assert_msg(!ret, "system ret: %d, error: %s", ret, strerror(ret));
 
   fp = popen("/tmp/.expr", "r");
@@ -97,6 +101,7 @@ START_TEST(test_expr_random_100) {
 
   ck_assert_msg(addr == reference, "\n\tbuf = %s\n\taddr = %u, reference = %u\n", buf, addr, reference);
 
+clean_up:
   while(buf_ptr != buf + buf_start_pos) {
     *(--buf_ptr) = '\0';
   }