patch 7.4.1096
Problem: Need several lines to verify a command produces an error.
Solution: Add assert_fails(). (suggested by Nikolay Pavlov)
Make the quickfix alloc test actually work.
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 906a869..8340bf2 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1752,6 +1752,7 @@
argv( ) List the argument list
assert_equal( {exp}, {act} [, {msg}]) none assert {exp} equals {act}
assert_exception({error} [, {msg}]) none assert {error} is in v:exception
+assert_fails( {cmd} [, {error}]) none assert {cmd} fails
assert_false( {actual} [, {msg}]) none assert {actual} is false
assert_true( {actual} [, {msg}]) none assert {actual} is true
asin( {expr}) Float arc sine of {expr}
@@ -2207,6 +2208,11 @@
call assert_exception('E492:')
endtry
+assert_fails({cmd} [, {error}]) *assert_fails()*
+ Run {cmd} and add an error message to |v:errors| if it does
+ NOT produce an error.
+ When {error} is given it must match |v:errmsg|.
+
assert_false({actual} [, {msg}]) *assert_false()*
When {actual} is not false an error message is added to
|v:errors|, like with |assert_equal()|.