Nikolay Pavlov wrote:
> I think that assert_fails(command, exception_pattern[, message]) would
> be more practical: I mean a function which executes command given as
> an argument and intercepts exceptions from it, failing if there was no
> exception or if exception did not match, so that your example is one
> line only:
>
> call assert_fails('commandthatfails', '\V\^Vim:E492:')
For simple commands this works. However, one has to put the command
inside a string. That gets a bit more complicated when escaping is
required. In most current use it's simple enough.
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