NetBSD-5.0.2/tests/util/sh/t_compexit.sh

# $NetBSD: t_compexit.sh,v 1.2 2008/04/30 13:11:00 martin Exp $
#
# Copyright (c) 2007 The NetBSD Foundation, Inc.
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#
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#    notice, this list of conditions and the following disclaimer.
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# The standard
# http://www.opengroup.org/onlinepubs/007904975/utilities/set.html
# says:
#
# -e
#
# When this option is on, if a simple command fails for any of the
# reasons listed in Consequences of Shell Errors or returns an exit
# status value >0, and is not part of the compound list following a
# while, until, or if keyword, and is not a part of an AND or OR list,
# and is not a pipeline preceded by the !  reserved word, then the shell
# shall immediately exit.

crud() {
	set -e
	for x in a
	do
		BAR="foo"
		false && echo true
		echo mumble
	done
}

atf_test_case set_e
set_e_head() {
	atf_set "descr" "Tests that 'set -e' turns on error detection" \
	                "and that it behaves as defined by the standard"
}
set_e_body() {
	foo=`crud`
	atf_check_equal 'x$foo' 'xmumble'
}

atf_init_test_cases() {
	atf_add_test_case set_e
}