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-rw-r--r--src/nvim/testdir/test_expr.vim11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_expr.vim b/src/nvim/testdir/test_expr.vim
index 571a37c62c..7483973fca 100644
--- a/src/nvim/testdir/test_expr.vim
+++ b/src/nvim/testdir/test_expr.vim
@@ -81,3 +81,14 @@ func Test_loop_over_null_list()
call assert_true(0, 'should not get here')
endfor
endfunc
+
+func Test_compare_null_dict()
+ call assert_fails('let x = v:_null_dict[10]')
+ call assert_equal({}, {})
+ call assert_equal(v:_null_dict, v:_null_dict)
+ call assert_notequal({}, v:_null_dict)
+endfunc
+
+func Test_set_reg_null_list()
+ call setreg('x', v:_null_list)
+endfunc