kill actor when abusive

tests/actor_memory_abuse.ce

@@ -0,0 +1,12 @@
+// Test: actor that allocates too much memory is killed
+// Parent starts a child that allocates arrays in a loop.
+// The child should be killed when it exceeds the heap memory limit.
+$start(function(event) {
+  if (event.type == 'greet') {
+    // child started, wait for it to die from memory abuse
+  }
+  if (event.type == 'disrupt') {
+    print("PASS: memory abusing actor killed")
+    $stop()
+  }
+}, 'tests/hang_actor_memory')

tests/actor_slow_killed.ce

@@ -0,0 +1,13 @@
+// Test: actor with infinite loop is killed by slow timer
+// Parent starts a child that hangs forever. The child should be
+// killed by the slow timer, triggering a 'disrupt' event.
+$start(function(event) {
+  if (event.type == 'greet') {
+    // child started, just wait for it to die
+  }
+  if (event.type == 'disrupt') {
+    // child was killed by the timer — success
+    print("PASS: slow actor killed by timer")
+    $stop()
+  }
+}, 'tests/hang_actor')

tests/hang_actor_memory.ce

@@ -0,0 +1,5 @@
+// Actor that allocates memory until killed by memory limit
+var big = []
+while (1) {
+  big[] = array(10000, 0)
+}