diff options
Diffstat (limited to 'runtime/doc/testing.txt')
-rw-r--r-- | runtime/doc/testing.txt | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/runtime/doc/testing.txt b/runtime/doc/testing.txt index 15c5498a51..74b705c14e 100644 --- a/runtime/doc/testing.txt +++ b/runtime/doc/testing.txt @@ -291,8 +291,9 @@ assert_exception({error} [, {msg}]) *assert_exception()* catch call assert_exception('E492:') endtry - -assert_fails({cmd} [, {error} [, {msg}]]) *assert_fails()* +< + *assert_fails()* +assert_fails({cmd} [, {error} [, {msg} [, {lnum}]]]) Run {cmd} and add an error message to |v:errors| if it does NOT produce an error or when {error} is not found in the error message. Also see |assert-return|. @@ -311,13 +312,21 @@ assert_fails({cmd} [, {error} [, {msg}]]) *assert_fails()* string for the first error: > assert_fails('cmd', ['', 'E987:']) < + If {msg} is empty then it is not used. Do this to get the + default message when passing the {lnum} argument. + + When {lnum} is present and not negative, and the {error} + argument is present and matches, then this is compared with + the line number at which the error was reported. That can be + the line number in a function or in a script. + Note that beeping is not considered an error, and some failing commands only beep. Use |assert_beeps()| for those. Can also be used as a |method|: > GetCmd()->assert_fails('E99:') -assert_false({actual} [, {msg}]) *assert_false()* +assert_false({actual} [, {msg}]) *assert_false()* When {actual} is not false an error message is added to |v:errors|, like with |assert_equal()|. Also see |assert-return|. |