1 files changed, 121 insertions, 0 deletions
diff --git a/test/lua/verify_globals.lua b/test/lua/verify_globals.lua
new file mode 100644
index 0000000000..b9e78f813b
--- /dev/null
+++ b/test/lua/verify_globals.lua
@@ -0,0 +1,121 @@
+-- verify_globals.lua
+
+-- need the path to find inspect.lua
+local old_path = package.path
+package.path = "lua/?.lua;" .. package.path
+
+local inspect = require("inspect")
+
+package.path = old_path
+
+-- ignore things that change on different machines or every release
+-- the following items still have to exist, but their values don't have to match
+local filter = {
+    -- differences by machine
+    "DATA_DIR",
+    "USER_DIR",
+    "package.cpath",
+    "package.path",
+    "package.loaded",
+    "run_user_scripts_when_superuser",
+    "running_superuser",
+
+    -- differences in Lua versions
+    "_VERSION",
+    "package.config",
+ }
+
+-- the following items don't have to exist
+local ignore = {
+    -- not sure why this was removed in wireshark 1.11, but it was
+    "TreeItem.set_expert_flags",
+
+    -- in Lua 5.1 only
+    "debug.getfenv",
+    "debug.setfenv",
+    "gcinfo",
+    "getfenv",
+    "io.gfind",
+    "setfenv",
+    "math.mod",
+    "newproxy",
+    "string.gfind",
+    "table.foreach",
+    "table.foreachi",
+    "table.getn",
+    "table.setn",
+
+    -- in Lua 5.2+ only
+    "bit32",
+    "debug.getuservalu",
+    "debug.setuservalu",
+    "debug.upvalueid",
+    "debug.upvaluejoin",
+    "package.searchers",
+    "package.searchpath",
+    "rawlen",
+    "table.pack",
+    "table.unpack",
+
+}
+
+
+local arg={...} -- get passed-in args
+
+-- arg1 = filename to read in
+-- arg2 = 'verify' to verify all of read-in file is in _G (default); 'new' to output all items in _G that are not in read-in file
+-- arg3 = 'nometa' to ignore metatables
+
+print("-- Wireshark version: " .. get_version())
+
+if #arg == 0 then
+    -- no args, so just output globals
+    print(inspect(_G, { serialize = true, filter = inspect.makeFilter(filter) }))
+    return
+end
+
+local file = assert(io.open(arg[1], "r"))
+local input = file:read("*all")
+input = inspect.marshal(input)
+
+local nometa = false
+if #arg > 2 and arg[3] == "nometa" then
+    nometa = true
+end
+
+if #arg == 1 or arg[2] == "verify" then
+    print(string.rep("\n", 2))
+    print("Verifying input file '"..arg[1].."' is contained within the global table")
+    local ret, diff = inspect.compare(input, _G, {
+        ['filter'] = inspect.makeFilter(filter),
+        ['ignore'] = inspect.makeFilter(ignore),
+        ['nonumber'] = true,
+        ['nometa'] = nometa
+        })
+    if not ret then
+        print("Comparison failed - global table does not have all the items in the input file!")
+        print(string.rep("\n", 2))
+        print(string.rep("-", 80))
+        print("Differences are:")
+        print(inspect(diff))
+    else
+        print("\n-----------------------------\n")
+        print("All tests passed!\n\n")
+    end
+    return
+elseif #arg > 1 and arg[2] == "new" then
+    local ret, diff = inspect.compare(_G, input, {
+        ['filter'] = inspect.makeFilter(filter),
+        ['ignore'] = inspect.makeFilter(ignore),
+        ['nonumber'] = true,
+        ['keep'] = true,
+        ['nometa'] = nometa
+        })
+    if not ret then
+        print(inspect(diff))
+    else
+        print("\n-----------------------------\n")
+        print("No new items!\n\n")
+    end
+end
+