diff --git a/src/testdir/test_json.vim b/src/testdir/test_json.vim
index e658c97..b306479 100644
--- a/src/testdir/test_json.vim
+++ b/src/testdir/test_json.vim
@@ -88,4 +88,18 @@
   call assert_equal(s:vard2x, jsondecode(s:jsond2))
 
   call assert_equal(s:varvals, jsondecode(s:jsonvals))
+
+  call assert_equal(v:true, jsondecode('true'))
+  call assert_equal(type(v:true), type(jsondecode('true')))
+  call assert_equal(v:none, jsondecode(''))
+  call assert_equal(type(v:none), type(jsondecode('')))
+  call assert_equal("", jsondecode('""'))
+
+  call assert_fails('call jsondecode("\"")', "E474:")
+  call assert_fails('call jsondecode("{-}")', "E474:")
+  call assert_fails('call jsondecode("blah")', "E474:")
+  call assert_fails('call jsondecode("true blah")', "E474:")
+  call assert_fails('call jsondecode("<foobar>")', "E474:")
+  call assert_fails('call jsondecode("[foobar]")', "E474:")
+  call assert_fails('call jsondecode("{foobar}")', "E474:")
 endfunc
diff --git a/src/testdir/test_viml.vim b/src/testdir/test_viml.vim
index 07286fb..39c0667 100644
--- a/src/testdir/test_viml.vim
+++ b/src/testdir/test_viml.vim
@@ -922,6 +922,23 @@
 endfunc
 
 "-------------------------------------------------------------------------------
+" Test 91:  using type().					    {{{1
+"-------------------------------------------------------------------------------
+
+func Test_type()
+    call assert_equal(0, type(0))
+    call assert_equal(1, type(""))
+    call assert_equal(2, type(function("tr")))
+    call assert_equal(3, type([]))
+    call assert_equal(4, type({}))
+    call assert_equal(5, type(0.0))
+    call assert_equal(6, type(v:false))
+    call assert_equal(6, type(v:true))
+    call assert_equal(7, type(v:none))
+    call assert_equal(7, type(v:null))
+endfunc
+
+"-------------------------------------------------------------------------------
 " Modelines								    {{{1
 " vim: ts=8 sw=4 tw=80 fdm=marker
 " vim: fdt=substitute(substitute(foldtext(),\ '\\%(^+--\\)\\@<=\\(\\s*\\)\\(.\\{-}\\)\:\ \\%(\"\ \\)\\=\\(Test\ \\d*\\)\:\\s*',\ '\\3\ (\\2)\:\ \\1',\ \"\"),\ '\\(Test\\s*\\)\\(\\d\\)\\D\\@=',\ '\\1\ \\2',\ "")