1 files changed, 75 insertions, 0 deletions
diff --git a/tests/t9021-maxima.sh b/tests/t9021-maxima.sh
new file mode 100755
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+#!/bin/sh
+# verify that partition maxima-querying functions work
+
+# Copyright (C) 2009-2014, 2019-2023 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../parted
+ss=$sector_size_
+
+dev=dev-file
+PATH="..:$PATH"
+export PATH
+
+max_n_partitions()
+{
+  case $1 in
+
+    # Technically, msdos partition tables have no limit on the maximum number
+    # of partitions, but we pretend it is 64 due to implementation details.
+    msdos) m=64;;
+
+    gpt) m=128;;
+    dvh) m=16;;
+    sun) m=8;;
+    mac) m=65536;;
+    bsd) m=8;;
+    amiga) m=128;;
+    atari) m=12;;
+    loop) m=1;;
+    pc98) case $ss in 512) m=16;; *) m=64;; esac;;
+    *) warn_ invalid partition table type: $1 1>&2; exit 1;;
+  esac
+  echo $m
+}
+
+# FIXME: add aix when/if it's supported again
+for t in msdos gpt dvh sun mac bsd amiga atari loop pc98; do
+    echo $t
+    [ $t = 'atari' ] && [ $ss != 512 ] && continue
+    rm -f $dev
+    dd if=/dev/zero of=$dev bs=$ss count=1 seek=10000 || { fail=1; continue; }
+    parted -s $dev mklabel $t || { fail=1; continue; }
+
+    #case $t in pc98) sleep 999d;; esac
+
+    max_start=4294967295
+    max_len=4294967295
+    case $t in
+	atari) max_start=2147483647; max_len=$max_start;;
+	gpt|loop) max_start=18446744073709551615; max_len=$max_start;;
+	sun) max_start=549755813760;; # 128 * (2^32-1)
+    esac
+
+    print-max $dev > out 2>&1 || fail=1
+    m=$(max_n_partitions $t) || fail=1
+    printf '%s\n' "max len: $max_len" \
+	"max start sector: $max_start" \
+	"max number of partitions: $m" \
+      > exp || fail=1
+    compare exp out || fail=1
+done
+
+Exit $fail