Add test case.

Author: danfuzz

tests/02-core/04-misc/03-set-array-from-vals/expect.md

@@ -439,6 +439,22 @@ Length: 2
 
 - - - - - - - - - -
 
+## `--quiet` and one invalid value
+
+### stdout
+```
+Length: 4
+
+0: <never set>
+1: x
+2: y
+3: z
+```
+
+### exit: 1
+
+- - - - - - - - - -
+
 ## unquoted $'\'' (invalid)
 
 ### stdout

tests/02-core/04-misc/03-set-array-from-vals/run

@@ -113,6 +113,10 @@ call-and-log-as-test 'two return-surrounded values' \
 call-and-log-as-test 'two values surrounded by a mix of all valid separators' \
     call-safv var $'\n\r \tflorp\r \t\nfleep\t\r\n '
 
+# Invalid value, but with `--quiet`.
+call-and-log-as-test '`--quiet` and one invalid value' \
+    call-safv --quiet var 'boop&'
+
 # Invalid calls because of unquoted special characters.
 chars=$'\'\\";&|$?!*`#%^,~[]{}()<>'
 for (( n = 0; n < ${#chars}; n++ )); do