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authorPaul Eggert <eggert@cs.ucla.edu>2017-12-07 18:07:54 -0800
committerPaul Eggert <eggert@cs.ucla.edu>2017-12-07 18:08:56 -0800
commit47423f0603f2ecfb78352be5477fb02c44f1fd35 (patch)
tree78c40843566e2464c5d84dd12d4057d064b768e3 /test
parentd4db37b283daffa0f8c942a5b526b6444edc34c5 (diff)
Fix zero-padding bug with (format "%#08x" n)
Problem reported by Gustaf Waldemarson (Bug#29609). * src/editfns.c (styled_format): Put zero padding after a leading "0x", not before. * test/src/editfns-tests.el (format-sharp-0-x): New test.
Diffstat (limited to 'test')
-rw-r--r--test/src/editfns-tests.el6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/src/editfns-tests.el b/test/src/editfns-tests.el
index 70dc9372fad..283a642dd97 100644
--- a/test/src/editfns-tests.el
+++ b/test/src/editfns-tests.el
@@ -136,6 +136,12 @@
(ert-deftest format-c-float ()
(should-error (format "%c" 0.5)))
+;;; Test for Bug#29609.
+(ert-deftest format-sharp-0-x ()
+ (should (string-equal (format "%#08x" #x10) "0x000010"))
+ (should (string-equal (format "%#05X" #x10) "0X010"))
+ (should (string-equal (format "%#04x" 0) "0000")))
+
;;; Check format-time-string with various TZ settings.
;;; Use only POSIX-compatible TZ values, since the tests should work
;;; even if tzdb is not in use.