1 files changed, 43 insertions, 1 deletions
diff --git a/test/functional/legacy/assert_spec.lua b/test/functional/legacy/assert_spec.lua
index 63699387c1..8da6ee45d7 100644
--- a/test/functional/legacy/assert_spec.lua
+++ b/test/functional/legacy/assert_spec.lua
@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local nvim, call = helpers.meths, helpers.call
 local clear, eq = helpers.clear, helpers.eq
 local source, execute = helpers.source, helpers.execute
@@ -141,6 +141,18 @@ describe('assert function:', function()
         tmpname_two .. " line 1: 'file two'",
       })
     end)
+
+    it('is reset to a list by assert functions', function()
+      source([[
+        let save_verrors = v:errors
+        let v:['errors'] = {'foo': 3}
+        call assert_equal('yes', 'no')
+        let verrors = v:errors
+        let v:errors = save_verrors
+        call assert_equal(type([]), type(verrors))
+      ]])
+      expected_empty()
+    end)
   end)
 
   -- assert_fails({cmd}, [, {error}])
@@ -160,4 +172,34 @@ describe('assert function:', function()
       expected_errors({'command did not fail: call empty("")'})
     end)
   end)
+
+  -- assert_exception({cmd}, [, {error}])
+  describe('assert_exception()', function()
+    it('should assert thrown exceptions properly', function()
+      source([[
+        try
+          nocommand
+        catch
+          call assert_exception('E492')
+        endtry
+      ]])
+      expected_empty()
+    end)
+
+    it('should work properly when nested', function()
+      source([[
+        try
+          nocommand
+        catch
+          try
+            " illegal argument, get NULL for error
+            call assert_exception([])
+          catch
+            call assert_exception('E730')
+          endtry
+        endtry
+      ]])
+      expected_empty()
+    end)
+  end)
 end)