File 2274-erts-Improve-nif_SUITE-neg.patch of Package erlang

From 5aaf03795c1c7a59a1826020f7b1d298d1e919dc Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Thu, 11 Nov 2021 23:39:03 +0100
Subject: [PATCH 4/8] erts: Improve nif_SUITE:neg

---
 erts/emulator/test/nif_SUITE.erl               | 6 ++++--
 erts/emulator/test/nif_SUITE_data/Makefile.src | 2 ++
 erts/emulator/test/nif_SUITE_data/nif_mod.4.c  | 2 ++
 erts/emulator/test/nif_SUITE_data/nif_mod.5.c  | 2 ++
 erts/emulator/test/nif_SUITE_data/nif_mod.c    | 7 +++++++
 5 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 erts/emulator/test/nif_SUITE_data/nif_mod.4.c
 create mode 100644 erts/emulator/test/nif_SUITE_data/nif_mod.5.c

diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 6629fc3cce..a0d36a8791 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -2505,8 +2505,10 @@ neg(Config) when is_list(Config) ->
     {ok,nif_mod,Bin} = compile:file(File, [binary,return_errors]),
     {module,nif_mod} = erlang:load_module(nif_mod,Bin),
 
-    {error,{load_failed,_}} = nif_mod:load_nif_lib(Config, 0),
-    {error,{bad_lib,_}} = nif_mod:load_nif_lib(Config, no_init),    
+    {error,{load_failed,"Failed to load NIF library"++_}} = nif_mod:load_nif_lib(Config, 0),
+    {error,{bad_lib,"Failed to find library init"++_}} = nif_mod:load_nif_lib(Config, 3),
+    {error,{bad_lib,"Function not found"++_}} = nif_mod:load_nif_lib(Config, 4),
+    {error,{bad_lib,"Duplicate NIF entry for"++_}} = nif_mod:load_nif_lib(Config, 5),
     verify_tmpmem(TmpMem),
     ok.
 
diff --git a/erts/emulator/test/nif_SUITE_data/Makefile.src b/erts/emulator/test/nif_SUITE_data/Makefile.src
index 69dd2d6757..ebbdfe5315 100644
--- a/erts/emulator/test/nif_SUITE_data/Makefile.src
+++ b/erts/emulator/test/nif_SUITE_data/Makefile.src
@@ -3,6 +3,8 @@ NIF_LIBS = nif_SUITE.1@dll@ \
            nif_mod.1@dll@ \
            nif_mod.2@dll@ \
            nif_mod.3@dll@ \
+           nif_mod.4@dll@ \
+           nif_mod.5@dll@ \
 	   nif_mod.1.2_0@dll@ \
 	   nif_mod.2.2_0@dll@ \
 	   nif_mod.3.2_0@dll@ \
diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.4.c b/erts/emulator/test/nif_SUITE_data/nif_mod.4.c
new file mode 100644
index 0000000000..78ede3fbec
--- /dev/null
+++ b/erts/emulator/test/nif_SUITE_data/nif_mod.4.c
@@ -0,0 +1,2 @@
+#define NIF_LIB_VER 4
+#include "nif_mod.c"
diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.5.c b/erts/emulator/test/nif_SUITE_data/nif_mod.5.c
new file mode 100644
index 0000000000..ea6ab1a07b
--- /dev/null
+++ b/erts/emulator/test/nif_SUITE_data/nif_mod.5.c
@@ -0,0 +1,2 @@
+#define NIF_LIB_VER 5
+#include "nif_mod.c"
diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.c b/erts/emulator/test/nif_SUITE_data/nif_mod.c
index edc2a7aac5..6aea107513 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_mod.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_mod.c
@@ -391,6 +391,13 @@ static ErlNifFunc nif_funcs[] =
 #ifdef HAVE_ENIF_MONITOR_PROCESS
     {"monitor_process", 3, monitor_process},
 #endif
+#if NIF_LIB_VER == 4
+    {"non_existing", 2, get_resource},      /* error: not found */
+#endif
+#if NIF_LIB_VER == 5
+    {"make_new_resource", 2, get_resource}, /* error: duplicate */
+#endif
+
     /* Keep lib_version_check last to maximize the loading "patch distance"
        between it and lib_version */
     {"lib_version_check", 0, lib_version}
-- 
2.31.1