Date: Sun, 4 Apr 2010 16:48:33 +0000 (UTC) From: Jilles Tjoelker <jilles@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r206168 - head/tools/regression/bin/sh/expansion Message-ID: <201004041648.o34GmXqC067897@svn.freebsd.org>
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Author: jilles Date: Sun Apr 4 16:48:33 2010 New Revision: 206168 URL: http://svn.freebsd.org/changeset/base/206168 Log: sh: Add test for nested arithmetic substitution. Pre-r206145 sh changes nested arithmetic substitution to parentheses, which is not always correct, as exercised by this test. Added: head/tools/regression/bin/sh/expansion/arith5.0 (contents, props changed) Added: head/tools/regression/bin/sh/expansion/arith5.0 ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tools/regression/bin/sh/expansion/arith5.0 Sun Apr 4 16:48:33 2010 (r206168) @@ -0,0 +1,17 @@ +# $FreeBSD$ + +failures=0 + +check() { + if [ "$2" != "$3" ]; then + failures=$((failures+1)) + echo "For $1, expected $3 actual $2" + fi +} + +unset a +check '$((1+${a:-$((7+2))}))' "$((1+${a:-$((7+2))}))" 10 +check '$((1+${a:=$((2+2))}))' "$((1+${a:=$((2+2))}))" 5 +check '$a' "$a" 4 + +exit $((failures != 0))
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