From 8bbf02e239ad62248f1b13af6fbc93ff84469831 Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Wed, 26 Nov 2014 16:52:47 -0200
Subject: Make test suite detect crashes on tests that should fail gracefully.

---
 src/luarocks/cfg.lua          |  1 +
 src/luarocks/command_line.lua |  2 +-
 test/testing.sh               | 15 ++++++++++++---
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/luarocks/cfg.lua b/src/luarocks/cfg.lua
index 9a992bae..2d02230b 100644
--- a/src/luarocks/cfg.lua
+++ b/src/luarocks/cfg.lua
@@ -44,6 +44,7 @@ cfg.errorcodes = setmetatable({
    OK = 0,
    UNSPECIFIED = 1,
    PERMISSIONDENIED = 2,
+   CRASH = 99
 },{
    __index = function(t, key)
       local val = rawget(t, key)
diff --git a/src/luarocks/command_line.lua b/src/luarocks/command_line.lua
index cc2e1683..15b036b0 100644
--- a/src/luarocks/command_line.lua
+++ b/src/luarocks/command_line.lua
@@ -208,7 +208,7 @@ function command_line.run_command(...)
       local xp, ok, err, exitcode = xpcall(function() return cmd.run(unpack(args)) end, function(err)
          die(debug.traceback("LuaRocks "..cfg.program_version
             .." bug (please report at luarocks-developers@lists.sourceforge.net).\n"
-            ..err, 2))
+            ..err, 2), cfg.errorcodes.CRASH)
       end)
       if xp and (not ok) then
          die(err, exitcode)
diff --git a/test/testing.sh b/test/testing.sh
index b0d95c35..dc7ba680 100755
--- a/test/testing.sh
+++ b/test/testing.sh
@@ -452,8 +452,13 @@ run_tests() {
       echo "-------------------------------------------"
       reset_environment
       if $test
-      then echo "OK: Expected success."
-      else echo "FAIL: Unexpected failure."; exit 1
+      then
+         echo "OK: Expected success."
+      else
+         if [ $? = 99 ]
+         then echo "FAIL: Unexpected crash!"; exit 99
+         fi
+         echo "FAIL: Unexpected failure."; exit 1
       fi
    done
    grep "^fail_$1.*(" < $testing_dir/testing.sh | cut -d'(' -f1 | while read test
@@ -464,7 +469,11 @@ run_tests() {
       reset_environment
       if $test
       then echo "FAIL: Unexpected success."; exit 1
-      else echo "OK: Expected failure."
+      else
+         if [ $? = 99 ]
+         then echo "FAIL: Unexpected crash!"; exit 99
+         fi
+         echo "OK: Expected failure."
       fi
    done
 }
-- 
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