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| author | Douglas Katzman <dougk@google.com> | 2020-06-24 15:19:48 -0400 |
|---|---|---|
| committer | Douglas Katzman <dougk@google.com> | 2020-06-24 15:19:48 -0400 |
| commit | a5d97a3decde842919cd1f025bc2ae5a5c964428 (patch) | |
| tree | dfb1f623b1b194cde887396ba3214cdd94bad871 /tests/reader.impure.lisp | |
| parent | 7bebe3387d6a7637b99454d86a38c62b6fde77ae (diff) | |
Prevent set-syntax-from-char from crashing remhash
Because the empty extended-char table is not a hash-table.
But now it's OK to maphash over.
Diffstat (limited to 'tests/reader.impure.lisp')
| -rw-r--r-- | tests/reader.impure.lisp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/reader.impure.lisp b/tests/reader.impure.lisp index dcc3fa2b7..e9f4456eb 100644 --- a/tests/reader.impure.lisp +++ b/tests/reader.impure.lisp @@ -242,6 +242,10 @@ #+sb-unicode (with-test (:name :unicode-dispatch-macros) + ;; Smoke test: (set-syntax-from-char unicode-char ordinary-constituent-char) + ;; should not fail + (set-syntax-from-char (code-char 300) #\a) + ;; (let ((*readtable* (copy-readtable))) (make-dispatch-macro-character (code-char #x266F)) ; musical sharp (set-dispatch-macro-character @@ -252,6 +256,9 @@ (let ((x (read-from-string (map 'string #'code-char '(#x266F #x221E))))) (assert (eq x :infinity)) + ;; I don't know what this was testing, and it's "noisy". Can we fix that? + ;; I think we used to treat NIL as *removing* the macro function, which is not + ;; a specified action. But neither could NIL ever be a function designator. (set-dispatch-macro-character (code-char #x266F) (code-char #x221E) nil) (assert (zerop (hash-table-count (cdr (sb-impl::%dispatch-macro-char-table |