- Test runner will also check for leaks.

- `write` of qoi would leak memory.
- Issue when having an empty `Path` or just "."
- `set_env` would leak memory.

test/unit/stdlib/threads/mutex.c3

@@ -77,7 +77,7 @@ fn void shared_mutex_decrement(ArgsWrapper1* args)
     args.m.unlock()!!;
 }
 
-fn void shared_mutex() @test
+fn void shared_mutex() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
     Mutex m;
     m.init()!!;
@@ -127,7 +127,7 @@ fn void acquire_recursively(RecursiveMutex* m)
     }
 }
 
-fn void test_recursive_mutex() @test
+fn void test_recursive_mutex() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
     RecursiveMutex m;
     m.init()!!;

test/unit/stdlib/threads/pool.c3

@@ -5,7 +5,7 @@ import std::thread::pool;
 
 def Pool = ThreadPool(<4>);
 
-fn void init_destroy() @test
+fn void init_destroy() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
 	for (usz i = 0; i < 20; i++)
 	{
@@ -15,7 +15,7 @@ fn void init_destroy() @test
 	}
 }
 
-fn void push_destroy() @test
+fn void push_destroy() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
 	for FOO: (usz i = 0; i < 20; i++)
 	{
@@ -42,7 +42,7 @@ fn void push_destroy() @test
 	}
 }
 
-fn void push_stop() @test
+fn void push_stop() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
 	for (usz i = 0; i < 20; i++)
 	{

test/unit/stdlib/threads/simple_thread.c3

@@ -3,7 +3,7 @@ import std::io;
 
 int a;
 
-fn void testrun() @test
+fn void testrun() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
 	Thread t;
 	a = 0;
@@ -18,7 +18,7 @@ fn void testrun() @test
 
 Mutex m_global;
 
-fn void testrun_mutex() @test
+fn void testrun_mutex() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
 	Thread[20] ts;
 	a = 0;
@@ -48,7 +48,7 @@ fn void testrun_mutex() @test
 	m_global.destroy()!!;
 }
 
-fn void testrun_mutex_try() @test
+fn void testrun_mutex_try() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
 	Mutex m;
 	m.init()!!;
@@ -59,7 +59,7 @@ fn void testrun_mutex_try() @test
 	m.unlock()!!;
 }
 
-fn void testrun_mutex_timeout() @test
+fn void testrun_mutex_timeout() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
 	TimedMutex m;
 	m.init()!!;
@@ -80,7 +80,7 @@ fn void call_once()
 	x_once += 100;
 }
 
-fn void testrun_once() @test
+fn void testrun_once() @test => mem::@scoped(&allocator::LIBC_ALLOCATOR)
 {
 	OnceFlag once;
 	once.call(&call_once);