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-rw-r--r--test/lisp/emacs-lisp/edebug-tests.el15
-rw-r--r--test/lisp/emacs-lisp/rx-tests.el14
-rw-r--r--test/lisp/emacs-lisp/subr-x-tests.el7
3 files changed, 30 insertions, 6 deletions
diff --git a/test/lisp/emacs-lisp/edebug-tests.el b/test/lisp/emacs-lisp/edebug-tests.el
index 7d45432e57e..2f45050e2eb 100644
--- a/test/lisp/emacs-lisp/edebug-tests.el
+++ b/test/lisp/emacs-lisp/edebug-tests.el
@@ -1029,14 +1029,21 @@ clashes (Bug#41853)."
inner@cl-flet@10002
edebug-tests-cl-flet-2)))))))
+(defmacro edebug-tests--duplicate-symbol-backtrack (arg)
+ "Helper macro that exemplifies Bug#42701.
+ARG is either (FORM) or (FORM IGNORED)."
+ (declare (debug ([&or (form) (form sexp)])))
+ (car arg))
+
(ert-deftest edebug-tests-duplicate-symbol-backtrack ()
"Check that Edebug doesn't create duplicate symbols when
backtracking (Bug#42701)."
(with-temp-buffer
- (dolist (form '((require 'subr-x)
- (defun edebug-tests-duplicate-symbol-backtrack ()
- (if-let (x (funcall (lambda (y) 1) 2)) 3 4))))
- (print form (current-buffer)))
+ (print '(defun edebug-tests-duplicate-symbol-backtrack ()
+ (edebug-tests--duplicate-symbol-backtrack
+ ;; Passing (FORM IGNORED) forces backtracking.
+ ((lambda () 123) ignored)))
+ (current-buffer))
(let* ((edebug-all-defs t)
(edebug-initial-mode 'Go-nonstop)
(instrumented-names ())
diff --git a/test/lisp/emacs-lisp/rx-tests.el b/test/lisp/emacs-lisp/rx-tests.el
index 2dd1bca22d1..4828df0de92 100644
--- a/test/lisp/emacs-lisp/rx-tests.el
+++ b/test/lisp/emacs-lisp/rx-tests.el
@@ -166,6 +166,20 @@
(backref 1))
(list u v)))
'("1" "3")))
+ (should (equal (pcase "bz"
+ ((rx "a" (let x nonl)) (list 1 x))
+ (_ 'no))
+ 'no))
+ (should (equal (pcase "az"
+ ((rx "a" (let x nonl)) (list 1 x))
+ ((rx "b" (let x nonl)) (list 2 x))
+ (_ 'no))
+ '(1 "z")))
+ (should (equal (pcase "bz"
+ ((rx "a" (let x nonl)) (list 1 x))
+ ((rx "b" (let x nonl)) (list 2 x))
+ (_ 'no))
+ '(2 "z")))
(let ((k "blue"))
(should (equal (pcase "<blue>"
((rx "<" (literal k) ">") 'ok))
diff --git a/test/lisp/emacs-lisp/subr-x-tests.el b/test/lisp/emacs-lisp/subr-x-tests.el
index 112f3c1dac1..ef04cde3867 100644
--- a/test/lisp/emacs-lisp/subr-x-tests.el
+++ b/test/lisp/emacs-lisp/subr-x-tests.el
@@ -607,18 +607,21 @@
(should (equal (string-limit "foó" 4 nil 'utf-8) "fo\303\263"))
(should (equal (string-limit "foóa" 4 nil 'utf-8) "fo\303\263"))
(should (equal (string-limit "foóá" 4 nil 'utf-8) "fo\303\263"))
+ (should (equal (string-limit "foóá" 4 nil 'utf-8-with-signature)
+ "fo\303\263"))
(should (equal (string-limit "foóa" 4 nil 'iso-8859-1) "fo\363a"))
(should (equal (string-limit "foóá" 4 nil 'iso-8859-1) "fo\363\341"))
- (should (equal (string-limit "foóá" 4 nil 'utf-16) "\376\377\000f"))
+ (should (equal (string-limit "foóá" 4 nil 'utf-16) "\000f\000o"))
(should (equal (string-limit "foó" 10 t 'utf-8) "fo\303\263"))
(should (equal (string-limit "foó" 3 t 'utf-8) "o\303\263"))
(should (equal (string-limit "foó" 4 t 'utf-8) "fo\303\263"))
(should (equal (string-limit "foóa" 4 t 'utf-8) "o\303\263a"))
(should (equal (string-limit "foóá" 4 t 'utf-8) "\303\263\303\241"))
+ (should (equal (string-limit "foóá" 2 t 'utf-8-with-signature) "\303\241"))
(should (equal (string-limit "foóa" 4 t 'iso-8859-1) "fo\363a"))
(should (equal (string-limit "foóá" 4 t 'iso-8859-1) "fo\363\341"))
- (should (equal (string-limit "foóá" 4 t 'utf-16) "\376\377\000\341")))
+ (should (equal (string-limit "foóá" 4 t 'utf-16) "\000\363\000\341")))
(ert-deftest subr-string-lines ()
(should (equal (string-lines "foo") '("foo")))