From c7e9cfd3ed934addee49f97a65a8d9f622291179 Mon Sep 17 00:00:00 2001
From: daan <daan@microsoft.com>
Date: Mon, 6 Apr 2020 08:32:25 -0700
Subject: [PATCH] add test case for issue #212

---
 test/main-override.cpp | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/test/main-override.cpp b/test/main-override.cpp
index 18d49df3..b0c9fdf0 100644
--- a/test/main-override.cpp
+++ b/test/main-override.cpp
@@ -20,16 +20,18 @@ static void msleep(unsigned long msecs) { Sleep(msecs); }
 static void msleep(unsigned long msecs) { usleep(msecs * 1000UL); }
 #endif
 
-void heap_no_delete();
-void heap_late_free();
-void padding_shrink();
+void heap_thread_free_large(); // issue #212
+void heap_no_delete();         // issue #202
+void heap_late_free();         // issue #204
+void padding_shrink();         // issue #209
 void various_tests();
 
 int main() {
   mi_stats_reset();  // ignore earlier allocations
-  // heap_no_delete();  // issue #202
-  // heap_late_free();  // issue #204
-  padding_shrink();  // issue #209
+  heap_thread_free_large();
+  heap_no_delete();  
+  heap_late_free();  
+  padding_shrink();  
   various_tests();
   mi_stats_print(NULL);
   return 0;
@@ -157,3 +159,17 @@ void padding_shrink(void)
   t1.join();
   mi_free(shared_p);
 }
+
+
+// Issue #221
+void heap_thread_free_large_worker() {
+  mi_free(shared_p);
+}
+
+void heap_thread_free_large() {
+  for (int i = 0; i < 100; i++) {
+    shared_p = mi_malloc(2*1024*1024 + 1);
+    auto t1 = std::thread(heap_thread_free_large_worker);
+    t1.join();
+  }
+}