tests: Add tests for partials dumping

Also fixed dumping of partials by encode_vim_to_object and added code which is 
able to work with partials and dictionaries to test/unit/eval/helpers.lua 
(mostly copied from #5119, except for partials handling).

1 files changed, 19 insertions, 0 deletions

diff --git a/test/functional/eval/msgpack_functions_spec.lua b/test/functional/eval/msgpack_functions_spec.lua
index 3fb54c2ee7..44c01d2226 100644
--- a/test/functional/eval/msgpack_functions_spec.lua
+++ b/test/functional/eval/msgpack_functions_spec.lua
@@ -493,6 +493,12 @@ describe('msgpackparse() function', function()
        exc_exec('call msgpackparse(function("tr"))'))
   end)
 
+  it('fails to parse a partial', function()
+    execute('function T() dict\nendfunction')
+    eq('Vim(call):E686: Argument of msgpackparse() must be a List',
+       exc_exec('call msgpackparse(function("T", [1, 2], {}))'))
+  end)
+
   it('fails to parse a float', function()
     eq('Vim(call):E686: Argument of msgpackparse() must be a List',
        exc_exec('call msgpackparse(0.0)'))
@@ -570,6 +576,13 @@ describe('msgpackdump() function', function()
        exc_exec('call msgpackdump([Todump])'))
   end)
 
+  it('fails to dump a partial', function()
+    execute('function T() dict\nendfunction')
+    execute('let Todump = function("T", [1, 2], {})')
+    eq('Vim(call):E5004: Error while dumping msgpackdump() argument, index 0, itself: attempt to dump function reference',
+       exc_exec('call msgpackdump([Todump])'))
+  end)
+
   it('fails to dump a function reference in a list', function()
     execute('let todump = [function("tr")]')
     eq('Vim(call):E5004: Error while dumping msgpackdump() argument, index 0, index 0: attempt to dump function reference',
@@ -675,6 +688,12 @@ describe('msgpackdump() function', function()
        exc_exec('call msgpackdump(function("tr"))'))
   end)
 
+  it('fails to dump a partial', function()
+    execute('function T() dict\nendfunction')
+    eq('Vim(call):E686: Argument of msgpackdump() must be a List',
+       exc_exec('call msgpackdump(function("T", [1, 2], {}))'))
+  end)
+
   it('fails to dump a float', function()
     eq('Vim(call):E686: Argument of msgpackdump() must be a List',
        exc_exec('call msgpackdump(0.0)'))