Allow somewhat arbitrary characters as `mat`, `vec` and `cases` `delim` (#4211)

1 files changed, 22 insertions, 2 deletions

diff --git a/tests/suite/math/vec.typ b/tests/suite/math/vec.typ
index 312c0ee4..d7bc0b6c 100644
--- a/tests/suite/math/vec.typ
+++ b/tests/suite/math/vec.typ
@@ -22,6 +22,26 @@ $ v = vec(1, 2+3, 4) $
 #set math.vec(delim: "[")
 $ vec(1, 2) $
 
---- math-vec-delim-invalid ---
-// Error: 22-25 expected "(", "[", "{", "|", "||", or none
+--- math-vec-delim-empty-string ---
+// Error: 22-24 expected exactly one character
+#set math.vec(delim: "")
+
+--- math-vec-delim-not-single-char ---
+// Error: 22-39 expected exactly one character
+#set math.vec(delim: "not a delimiter")
+
+--- math-vec-delim-invalid-char ---
+// Error: 22-25 invalid delimiter: "%"
 #set math.vec(delim: "%")
+
+--- math-vec-delim-invalid-symbol ---
+// Error: 22-33 invalid delimiter: "%"
+#set math.vec(delim: sym.percent)
+
+--- math-vec-delim-invalid-opening ---
+// Error: 22-33 invalid delimiter: "%"
+#set math.vec(delim: ("%", none))
+
+--- math-vec-delim-invalid-closing ---
+// Error: 22-33 invalid delimiter: "%"
+#set math.vec(delim: (none, "%"))