49 	end);

    50 

    51 	describe("#prepped_split()", function()

    52 		local function test(input_jid, expected_node, expected_server, expected_resource)

    53 			local rnode, rserver, rresource = jid.prepped_split(input_jid);

    54 			assert.are.equal(expected_node, rnode, "split("..tostring(input_jid)..") failed");

    55 			assert.are.equal(expected_server, rserver, "split("..tostring(input_jid)..") failed");

    56 			assert.are.equal(expected_resource, rresource, "split("..tostring(input_jid)..") failed");

    57 		end

    58 

    59 		it("should work", function()

    60 			-- Valid JIDs

    61 			test("node@server", 		"node", "server", nil		);

    62 			test("node@server/resource", 	"node", "server", "resource"        );

    63 			test("server", 			nil, 	"server", nil               );

    64 			test("server/resource", 	nil, 	"server", "resource"        );

    65 			test("server/resource@foo", 	nil, 	"server", "resource@foo"    );

    66 			test("server/resource@foo/bar",	nil, 	"server", "resource@foo/bar");

    67 

    68 			-- Always invalid JIDs

    69 			test(nil,                nil, nil, nil);

    70 			test("node@/server",     nil, nil, nil);

    71 			test("@server",          nil, nil, nil);

    72 			test("@server/resource", nil, nil, nil);

    73 			test("@/resource", nil, nil, nil);

    74 			test("@server/", nil, nil, nil);

    75 			test("server/", nil, nil, nil);

    76 			test("/resource", nil, nil, nil);

    77 		end);

    78 		it("should reject invalid arguments", function ()

    79 			assert.has_error(function () jid.prepped_split(false) end)

    80 		end)

    81 		it("should strip empty root label", function ()

    82 			test("node@server.", "node", "server", nil);

    83 		end);

    84 		it("should fail for JIDs that fail stringprep", function ()

    85 			test("node@invalid-\128-server", nil, nil, nil);

    86 			test("<invalid node>@server", nil, nil, nil);

    87 			test("node@server/invalid-\000-resource", nil, nil, nil);

    88 		end);