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authorBram Moolenaar <Bram@vim.org>2022-02-16 12:16:19 +0000
committerBram Moolenaar <Bram@vim.org>2022-02-16 12:16:19 +0000
commit34f8117dec685ace52cd9e578e2729db278163fc (patch)
treedafd7524a8925b8fd6bbf7680b2e5b12385b086c /src/testdir/test_assert.vim
parentf5288c589500de0677444af4a428cfbccfccb8ce (diff)
patch 8.2.4397: crash when using many composing characters in error messagev8.2.4397
Problem: Crash when using many composing characters in error message. Solution: Use mb_cptr2char_adv() instead of mb_ptr2char_adv().
Diffstat (limited to 'src/testdir/test_assert.vim')
-rw-r--r--src/testdir/test_assert.vim8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/testdir/test_assert.vim b/src/testdir/test_assert.vim
index 8987f3f8df..27b2d73fbf 100644
--- a/src/testdir/test_assert.vim
+++ b/src/testdir/test_assert.vim
@@ -53,6 +53,14 @@ func Test_assert_equal()
call assert_equal("\b\e\f\n\t\r\\\x01\x7f", 'x')
call assert_match('Expected ''\\b\\e\\f\\n\\t\\r\\\\\\x01\\x7f'' but got ''x''', v:errors[0])
call remove(v:errors, 0)
+
+ " many composing characters are handled properly
+ call setline(1, ' ')
+ norm 100grƯ€
+ call assert_equal(1, getline(1))
+ call assert_match("Expected 1 but got '.* occurs 100 times]'", v:errors[0])
+ call remove(v:errors, 0)
+ bwipe!
endfunc
func Test_assert_equal_dict()