#!/bin/sh

ME_="${0##*/}"

warn_() { printf >&2 '%s\n' "$*"; }
fail_() { warn_ "$ME_: failed test: $*"; exit 1; }
skip_() { warn_ "$ME_: skipped test: $*"; exit 77; }
framework_failure_() { warn_ "$ME_: framework failure: $*"; exit 99; }
framework_skip_() { warn_ "$ME_: framework skip: $*"; exit 77; }

check_prog()
{
	type "$@" > /dev/null 2>&1 ||
		framework_skip_ "$* is not available"
}

check_strace()
{
	STRACE=${*:-strace}
	$STRACE -V > /dev/null ||
		framework_failure_ "$STRACE is not available"
}

timeout_duration=60
check_timeout()
{
	TIMEOUT="timeout -s 9 $timeout_duration"
	$TIMEOUT true > /dev/null 2>&1 ||
		TIMEOUT=
}