1#!/bin/sh
2#
3# Define syntax testing primitives.
4#
5# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
6# Copyright (c) 2016-2017 The strace developers.
7# All rights reserved.
8#
9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13#    notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15#    notice, this list of conditions and the following disclaimer in the
16#    documentation and/or other materials provided with the distribution.
17# 3. The name of the author may not be used to endorse or promote products
18#    derived from this software without specific prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31. "${srcdir=.}/init.sh"
32
33check_exit_status_and_stderr()
34{
35	$STRACE "$@" 2> "$LOG" &&
36		dump_log_and_fail_with \
37			"strace $* failed to handle the error properly"
38	match_diff "$LOG" "$EXP" ||
39		dump_log_and_fail_with \
40			"strace $* failed to print expected diagnostics"
41}
42
43check_exit_status_and_stderr_using_grep()
44{
45	$STRACE "$@" 2> "$LOG" &&
46		dump_log_and_fail_with \
47			"strace $* failed to handle the error properly"
48	match_grep "$LOG" "$EXP" ||
49		dump_log_and_fail_with \
50			"strace $* failed to print expected diagnostics"
51}
52
53check_e()
54{
55	local pattern="$1"; shift
56	cat > "$EXP" << __EOF__
57$STRACE_EXE: $pattern
58__EOF__
59	check_exit_status_and_stderr "$@"
60}
61
62check_e_using_grep()
63{
64	local pattern="$1"; shift
65	cat > "$EXP" << __EOF__
66$STRACE_EXE: $pattern
67__EOF__
68	check_exit_status_and_stderr_using_grep "$@"
69}
70
71check_h()
72{
73	local pattern="$1"; shift
74	cat > "$EXP" << __EOF__
75$STRACE_EXE: $pattern
76Try '$STRACE_EXE -h' for more information.
77__EOF__
78	check_exit_status_and_stderr "$@"
79}
80