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--TEST--
Test zend_ini_parse_quantity() overflow handling
--EXTENSIONS--
zend_test
--FILE--
<?php
function increment(string $s): string {
if (strlen($s) === 0) {
return '1';
}
$digit = intval($s[strlen($s)-1]);
$prefix = substr($s, 0, -1);
if ($digit === 9) {
return increment($prefix) . '0';
}
return $prefix . strval($digit+1);
}
function decrement(string $s): string {
assert($s[0] === '-');
return '-' . increment(substr($s, 1));
}
$tests = [
'No overflow 001' => '0',
'No overflow 002' => '1',
'No overflow 003' => '100',
'No overflow 004' => strval(PHP_INT_MAX),
'No overflow 005' => strval(PHP_INT_MIN),
'No overflow 006' => '2K',
'No overflow 007' => '-2K',
'Subject overflow 001' => increment(strval(PHP_INT_MAX)),
'Subject overflow 002' => decrement(strval(PHP_INT_MIN)),
'Multiplier overflow 001' => strval(PHP_INT_MAX).'K',
'Multiplier overflow 002' => strval(PHP_INT_MIN).'K',
];
foreach ($tests as $name => $value) {
printf("# %s: \"%s\"\n", $name, $value);
printf("%d\n", zend_test_zend_ini_parse_quantity($value));
print "\n";
print "----------\n";
}
?>
--EXPECTF--
# No overflow 001: "0"
0
----------
# No overflow 002: "1"
1
----------
# No overflow 003: "100"
100
----------
# No overflow 004: "%d"
%d
----------
# No overflow 005: "-%d"
-%d
----------
# No overflow 006: "2K"
2048
----------
# No overflow 007: "-2K"
-2048
----------
# Subject overflow 001: "%d"
Warning: Invalid quantity "%d": value is out of range, using overflow result for backwards compatibility in %s on line %d
%s
----------
# Subject overflow 002: "-%d"
Warning: Invalid quantity "-%d": value is out of range, using overflow result for backwards compatibility in %s on line %d
%s
----------
# Multiplier overflow 001: "%dK"
Warning: Invalid quantity "%dK": value is out of range, using overflow result for backwards compatibility in %s on line %d
%s
----------
# Multiplier overflow 002: "-%dK"
Warning: Invalid quantity "-%dK": value is out of range, using overflow result for backwards compatibility in %s on line %d
%s
----------
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