1#!/bin/ksh -p
2#
3# This file and its contents are supplied under the terms of the
4# Common Development and Distribution License ("CDDL"), version 1.0.
5# You may only use this file in accordance with the terms of version
6# 1.0 of the CDDL.
7#
8# A full copy of the text of the CDDL should have accompanied this
9# source.  A copy of the CDDL is also available via the Internet at
10# http://www.illumos.org/license/CDDL.
11#
12
13#
14# Copyright (c) 2016, 2017 by Delphix. All rights reserved.
15#
16
17. $STF_SUITE/tests/functional/channel_program/channel_common.kshlib
18
19#
20# DESCRIPTION: Returning very large (up to the memory limit) lists should
21# function correctly.
22#
23
24verify_runnable "global"
25
26fs=$TESTPOOL/$TESTFS/testchild
27
28function cleanup
29{
30	datasetexists $fs && log_must zfs destroy -R $fs
31}
32
33log_onexit cleanup
34
35log_must zfs create $fs
36
37#
38# Actually checking in the ~500kb expected result of this program would be
39# awful, so we just make sure it was as long as we expected.
40#
41output_lines=$(log_must zfs program $TESTPOOL \
42    $ZCP_ROOT/lua_core/tst.return_large.zcp | wc -l)
43
44[[ $output_lines -lt 5000 ]] &&
45    log_fail "Expected return of full list but only got $output_lines lines"
46
47#
48# Make sure we fail if the return is over the memory limit
49#
50log_mustnot_program -m 10000 $TESTPOOL \
51    $ZCP_ROOT/lua_core/tst.return_large.zcp
52
53log_pass "Large return values work properly"
54
55