From 7fee9c57d89be05c980d1684329b26ac991bb26a Mon Sep 17 00:00:00 2001
From: Rickard Green <rickard@erlang.org>
Date: Mon, 23 Jan 2017 17:16:28 +0100
Subject: Use magic refs for NIF resources

---
 erts/emulator/test/nif_SUITE.erl | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'erts/emulator/test/nif_SUITE.erl')

diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 36d512e388..8959be8690 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -748,7 +748,7 @@ resource_hugo_do(Type) ->
     HugoBin = <<"Hugo Hacker">>,
     HugoPtr = alloc_resource(Type, HugoBin),
     Hugo = make_resource(HugoPtr),
-    <<>> = Hugo,
+    true = is_reference(Hugo),
     release_resource(HugoPtr),
     erlang:garbage_collect(),
     {HugoPtr,HugoBin} = get_resource(Type,Hugo),
@@ -782,7 +782,7 @@ resource_otto_do(Type) ->
     OttoBin = <<"Otto Ordonnans">>,
     OttoPtr = alloc_resource(Type, OttoBin),
     Otto = make_resource(OttoPtr),
-    <<>> = Otto,
+    true = is_reference(Otto),
     %% forget resource term but keep referenced by NIF
     {OttoPtr, OttoBin}.    
 
@@ -805,8 +805,9 @@ resource_new_do2(Type) ->
     BinB = <<"NewB">>,
     ResA = make_new_resource(Type, BinA),
     ResB = make_new_resource(Type, BinB),
-    <<>> = ResA,
-    <<>> = ResB,
+    true = is_reference(ResA),
+    true = is_reference(ResB),
+    ResA /= ResB,
     {PtrA,BinA} = get_resource(Type, ResA),
     {PtrB,BinB} = get_resource(Type, ResB),
     true = (PtrA =/= PtrB),
-- 
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