From a9a1a5dfa967356ffe733e36a010f472332b5fe7 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Fri, 2 Aug 2019 09:24:15 +0200
Subject: [PATCH] AK: Add a test for iterating a HashTable during clear (should
 assert)

Ideally we should also verify that the assertion actually happens,
but we need some support in the TestSuite framework for that.
---
 AK/Tests/TestHashMap.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/AK/Tests/TestHashMap.cpp b/AK/Tests/TestHashMap.cpp
index 1c17eab5ff..9daa7e494c 100644
--- a/AK/Tests/TestHashMap.cpp
+++ b/AK/Tests/TestHashMap.cpp
@@ -62,4 +62,18 @@ TEST_CASE(case_insensitive)
     EXPECT_EQ(casemap.size(), 1);
 }
 
+TEST_CASE(assert_on_iteration_during_clear)
+{
+    struct Object {
+        ~Object()
+        {
+            m_map->begin();
+        }
+        HashMap<int, Object>* m_map;
+    };
+    HashMap<int, Object> map;
+    map.set(0, { &map });
+    map.clear();
+}
+
 TEST_MAIN(HashMap)