Test for what Andrey has found with 16M packets

diff --git a/ext/mysqli/tests/mysqli_insert_packet_overflow.phpt b/ext/mysqli/tests/mysqli_insert_packet_overflow.phpt
new file mode 100644 (file)
index 0000000..777610e
--- /dev/null
+++ b/ext/mysqli/tests/mysqli_insert_packet_overflow.phpt
@@ -0,0 +1,93 @@
+--TEST--
+INSERT and packet overflow
+--SKIPIF--
+<?php
+require_once('skipif.inc');
+require_once('skipifconnectfailure.inc');
+?>
+--INI--
+memory_limit=256M
+--FILE--
+<?php
+       require('connect.inc');
+       if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
+               printf("[001] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
+
+       if (!$res = mysqli_query($link, "SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'"))
+               printf("[002] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+       if (!$row = mysqli_fetch_assoc($res))
+               printf("[003] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+       mysqli_free_result($res);
+
+       if (0 === ($org_max_allowed_packet = (int)$row['Value']))
+               printf("[004] Cannot determine max_allowed_packet size and/or bogus max_allowed_packet setting used.\n");
+
+       $max_len = pow(2, 24);
+       if ($org_max_allowed_packet < $max_len) {
+               if (!mysqli_query($link, "SET GLOBAL max_allowed_packet = " . ($max_len + 100)))
+                       printf("[005] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+       }
+       mysqli_close($link);
+       if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
+               printf("[006] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
+
+       if (!$res = mysqli_query($link, "SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'"))
+               printf("[007] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+       if (!$row = mysqli_fetch_assoc($res))
+               printf("[008] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+       mysqli_free_result($res);
+
+       if (0 === ($max_allowed_packet = (int)$row['Value']))
+               printf("[009] Cannot determine max_allowed_packet size and/or bogus max_allowed_packet setting used.\n");
+
+       $max_len = pow(2, 24);
+       if ($max_allowed_packet < $max_len) {
+               printf("[010] Failed to change max_allowed_packet");
+       }
+
+       if (!mysqli_query($link, "CREATE TABLE test(col_blob LONGBLOB) ENGINE=" . $engine))
+               printf("[011] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+       $query_prefix = 'INSERT INTO test(col_blob) VALUES ("';
+       $query_postfix = '")';
+       $query_len = strlen($query_prefix) + strlen($query_postfix);
+       $com_query_len = 1;
+
+
+       $blob = str_repeat('a', $max_len - $com_query_len - $query_len);
+       $query = sprintf("%s%s%s", $query_prefix, $blob, $query_postfix);
+
+       if (!mysqli_query($link, $query))
+               printf("[012] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+       if (!$res = mysqli_query($link, "SELECT col_blob FROM test"))
+               printf("[013] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+       if (!$row = mysqli_fetch_assoc($res)) {
+               printf("[014] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+       } else {
+               if ($row['col_blob'] != $blob) {
+                       printf("[015] Blob seems wrong, dumping data\n");
+                       var_dump(strlen($row['col_blob']));
+                       var_dump(strlen($blob));
+               }
+               mysqli_free_result($res);
+       }
+
+       if (!mysqli_query($link, "SET GLOBAL max_allowed_packet = " . $org_max_allowed_packet))
+               printf("[016] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+       mysqli_close($link);
+
+       print "done!";
+?>
+--CLEAN--
+<?php
+       require_once("clean_table.inc");
+?>
+--EXPECTF--
+done!
\ No newline at end of file