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ext/iconv/tests/bug76249.phpt: fallback for non-GNU iconv() #22540

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ext/iconv/tests/bug76249.phpt: fallback for non-GNU iconv() #22540

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24 changes: 19 additions & 5 deletions ext/iconv/tests/bug76249.phpt
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Original file line number Diff line number Diff line change
Expand Up @@ -4,16 +4,30 @@ Bug #76249 (stream filter convert.iconv leads to infinite loop on invalid sequen
iconv
--FILE--
<?php
$ignore = "";
if (ICONV_IMPL == "libiconv" || ICONV_IMPL == "glibc") {
// The original bug report used "//IGNORE", and the bug itself
// involves the return value and errno from iconv(), so in the
// interest of fidelity we include the suffix on systems like the
// one where the bug was reported. On other systems however,
// despite being mentioned in POSIX 2024, the "//IGNORE" suffix is
// not supported consistently. Musl in particular does not support
// it at all, so we must omit it to avoid triggering other
// (unexpected) errors. In any case, it is nice to check that
// iconv and invalid streams do not interact badly.
$ignore = "//IGNORE";
}

$fh = fopen('php://memory', 'rw');
fwrite($fh, "abc");
rewind($fh);
if (false === @stream_filter_append($fh, 'convert.iconv.ucs-2/utf8//IGNORE', STREAM_FILTER_READ, [])) {
stream_filter_append($fh, 'convert.iconv.ucs-2/utf-8//IGNORE', STREAM_FILTER_READ, []);
if (false === @stream_filter_append($fh, "convert.iconv.ucs-2/utf8{$ignore}", STREAM_FILTER_READ, [])) {
stream_filter_append($fh, "convert.iconv.ucs-2/utf-8{$ignore}", STREAM_FILTER_READ, []);
}
var_dump(stream_get_contents($fh));
?>
DONE
--EXPECTF--
Warning: stream_get_contents(): iconv stream filter ("ucs-2"=>"utf%A8//IGNORE"): invalid multibyte sequence in %sbug76249.php on line %d
string(0) ""
--EXPECTREGEX--
Warning: stream_get_contents\(\): iconv stream filter \("ucs-2"=>"utf-?8(\/\/IGNORE)?"\): invalid multibyte sequence in .*bug76249\.php on line \d+
string\(0\) ""
DONE
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