MDEV-20138 innodb.trx_id_future fails on 10.4+

Adjust the test for full_crc32.

Author: dr-m

mysql-test/suite/innodb/t/trx_id_future.combinations

@@ -0,0 +1,5 @@
+[strict_crc32]
+--innodb-checksum-algorithm=strict_crc32
+
+[strict_full_crc32]
+--innodb-checksum-algorithm=strict_full_crc32

mysql-test/suite/innodb/t/trx_id_future.test

@@ -30,6 +30,8 @@ binmode FILE;
 
 my $ps= $ENV{PAGE_SIZE};
 my $page;
+die "Unable to read $file" unless sysread(FILE, $page, $ps) == $ps;
+my $full_crc32 = unpack("N",substr($page,54,4)) & 0x10; # FIL_SPACE_FLAGS
 sysseek(FILE, 3*$ps, 0) || die "Unable to seek $file\n";
 die "Unable to read $file" unless sysread(FILE, $page, $ps) == $ps;
 #In this case the first record should be at offset 135
@@ -38,10 +40,18 @@ die unless unpack("n", substr($page, 99, 2)) == 135;
 substr($page,135+6,6) = "\xff" x 6;
 
 my $polynomial = 0x82f63b78; # CRC-32C
-my $ck= pack("N",mycrc32(substr($page, 4, 22), 0, $polynomial) ^
+if ($full_crc32)
+{
+    my $ck = mycrc32(substr($page, 0, $ps - 4), 0, $polynomial);
+    substr($page, $ps - 4, 4) = pack("N", $ck);
+}
+else
+{
+    my $ck= pack("N",mycrc32(substr($page, 4, 22), 0, $polynomial) ^
 		 mycrc32(substr($page, 38, $ps - 38 - 8), 0, $polynomial));
-substr($page,0,4)=$ck;
-substr($page,$ps-8,4)=$ck;
+    substr($page,0,4)=$ck;
+    substr($page,$ps-8,4)=$ck;
+}
 sysseek(FILE, 3*$ps, 0) || die "Unable to rewind $file\n";
 syswrite(FILE, $page, $ps)==$ps || die "Unable to write $file\n";
 close(FILE) || die "Unable to close $file";