#!/bin/sh
# $MawkId: mawktest,v 1.60 2026/01/30 01:22:58 tom Exp $
###############################################################################
# copyright 2008-2024,2026, Thomas E. Dickey
# copyright 2010, Guido Berhoerster
# copyright 2010, Jonathan Nieder
# copyright 2005, Aleksey Cheusov
# copyright 1996, Michael D. Brennan
#
# This is a source file for mawk, an implementation of
# the AWK programming language.
#
# Mawk is distributed without warranty under the terms of
# the GNU General Public License, version 2, 1991.
###############################################################################

# This is a simple test check if a newly built mawk is working properly.
# It's certainly not exhaustive!
#
# It must be run from mawk/test
# and mawk must be in mawk/test or in PATH

: "${FGREP:=grep -F}"

MYTEMP=`mktemp -d 2>/dev/null`
if [ -z "$MYTEMP" ]
then
	MYTEMP=${TMPDIR-/tmp}/mawktest$$
fi
mkdir -p "$MYTEMP" || exit
trap 'echo mawktest failed ; rm -rf "$MYTEMP"; exit 1'  0

STDOUT=$MYTEMP/mawk-out
STDERR=$MYTEMP/mawk-err

# POSIX shells have functions...
Fail() {
	echo "?? fail $*"
	FAIL=`expr "$FAIL" + 1`
	ERRS=`expr "$ERRS" + 1`
}

Begin() {
	echo
	echo "$*"
	FAIL=0
}

Finish() {
	if [ "$FAIL" = 1 ]
	then
		echo "$* had one failure"
	elif [ "$FAIL" != 0 ]
	then
		echo "$* had $FAIL failures"
	else
		echo "$* OK"
	fi
}

ERRS=0

Summary() {
	if [ "$ERRS" = 1 ]
	then
		echo "$* had one failure"
	elif [ "$ERRS" != 0 ]
	then
		echo "$* had $ERRS failures"
	else
		echo "$* OK"
	fi
}

if [ -f ../mawk ]
then
	PROG="${AWK:-../mawk}"
else
	PROG="${AWK:-mawk}"
fi

MAWKBINMODE=7
export MAWKBINMODE

if test $# != 0 ; then
SRC=$1
else
SRC=..
fi

dat=mawktest.dat
nulldat=mawknull.dat

# The ulimit command interferes with valgrind (uncomment for ad hoc testing).
#ulimit -v 25000

# find out which mawk we're testing
MAWKS=no
if $PROG -W version </dev/null
then
	( $PROG -W version </dev/null 2>&1 |head -n 1 |grep mawk >/dev/null ) && MAWKS=yes
	NULLS=`$PROG -W version 2>&1 </dev/null |$FGREP regex |$FGREP 'internal' 2>/dev/null`
else
	NULLS=
fi

#################################

Begin "testing input and field splitting"

LC_ALL=C $PROG -f wc.awk $dat | cmp -s - wc-awk.out || Fail "wc.awk"
LC_ALL=C $PROG -f null-rs.awk null-rs.dat | cmp -s - null-rs.out || Fail "null-rs.awk"

LC_ALL=C $PROG -F '(a?)*b' -f wc.awk $dat > "$STDOUT"
LC_ALL=C $PROG -F 'a*b' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 2"

LC_ALL=C $PROG -F '(a?)+b' -f wc.awk $dat > "$STDOUT"
LC_ALL=C $PROG -F 'a*b' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 3"
LC_ALL=C $PROG -F 'a{0,}b' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 3b"

LC_ALL=C $PROG -F '[^^]' -f wc.awk $dat > "$STDOUT"
LC_ALL=C $PROG -F '(.)' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 4"

LC_ALL=C $PROG -F '[^]]' -f wc.awk $dat > "$STDOUT"
LC_ALL=C $PROG -F '[[#a-zA-Z0-9/*!=<>+,;.&_%(){}" -]' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 5"

LC_ALL=C $PROG -F '[a[]' -f wc.awk $dat > "$STDOUT"
LC_ALL=C $PROG -F '[[a]' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 6"
if test "$MAWKS" = "yes" ; then
LC_ALL=C $PROG -F 'a|\[' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 6b"
else
echo "...skipping case 6b: escaped-bracket test"
fi

LC_ALL=C $PROG -F '(])' -f wc.awk $dat > "$STDOUT"
LC_ALL=C $PROG -F '[]]' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 7"
LC_ALL=C $PROG -F '\]' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 7b"

# check that the regexp [\ does not make mawk segfault
if test "$MAWKS" = "yes" ; then
LC_ALL=C $PROG -F "[\\" 2> "$STDERR" || Fail "case 8"
fi

LC_ALL=C $PROG -F '(^)?)' -f wc.awk $dat > "$STDOUT"
LC_ALL=C $PROG -F ')' -f wc.awk $dat | cmp -s - "$STDOUT" || Fail "case 9"

echo baaab | LC_ALL=C $PROG -F 'a*+' '{print NF}' > "$STDOUT"
echo baaab | LC_ALL=C $PROG -F 'a*' '{print NF}' | cmp -s - "$STDOUT" || Fail "case 10"

#LC_ALL=C $PROG -F '[\\\\]' -f wc.awk $dat  > "$STDOUT"
#LC_ALL=C $PROG -F '(\\\\)' -f wc.awk | cmp -s - "$STDOUT" || Fail "case 11"
#LC_ALL=C $PROG -F '\\\\' -f wc.awk | cmp -s - "$STDOUT" || Fail "case 11b"

if test -n "$NULLS" ; then
	LC_ALL=C $PROG -F '\000'    -f nulls0.awk $nulldat > "$STDOUT"
	LC_ALL=C $PROG -F '[\000 ]' -f nulls0.awk $nulldat >> "$STDOUT"
	if ( cmp -s  nulls.out "$STDOUT" )
	then
		echo "... $PROG supports matches with NUL bytes"
	else
		echo "... $PROG does NOT supports matches with NUL bytes"
	fi
fi

Finish "input and field splitting"

#####################################

Begin "testing regular expression matching"

{
	LC_ALL=C $PROG -f reg0.awk $dat
	LC_ALL=C $PROG -f reg1.awk $dat
	LC_ALL=C $PROG -f reg2.awk $dat
	LC_ALL=C $PROG -f reg3.awk $dat
	LC_ALL=C $PROG -f reg4.awk $dat
	LC_ALL=C $PROG -f reg5.awk $dat
	LC_ALL=C $PROG -f reg6.awk $dat
	LC_ALL=C $PROG -f reg7.awk $dat
} > "$STDOUT"

cmp -s  reg-awk.out "$STDOUT" || Fail "reg0-reg7 case"

echo "''Italics with an apostrophe' embedded''" |
	LC_ALL=C $PROG -f noloop.awk || Fail "noloop2 test"
echo "''Italics with an apostrophe'' embedded''" |
	LC_ALL=C $PROG -f noloop.awk || Fail "noloop1 test"

LC_ALL=C $PROG '/^[^^]*$/' $dat > "$STDOUT"
cmp -s $dat "$STDOUT" || Fail "case 1"

LC_ALL=C $PROG '!/^[^]]*$/' $dat > "$STDOUT"
LC_ALL=C $PROG '/]/' $dat | cmp -s - "$STDOUT" || Fail "case 2"

LC_ALL=C $PROG '/[a[]/' $dat > "$STDOUT"
LC_ALL=C $PROG '/[[a]/' $dat | cmp -s - "$STDOUT" || Fail "case 3"

LC_ALL=C $PROG '/]/' $dat > "$STDOUT"
LC_ALL=C $PROG '/[]]/' $dat | cmp -s - "$STDOUT" || Fail "case 4"

echo aaa | LC_ALL=C $PROG '/a*+/' > "$STDOUT"
echo aaa | LC_ALL=C $PROG '/a*/' | cmp -s - "$STDOUT" || Fail "case 5"
echo aaa | cmp -s - "$STDOUT" || Fail "case 6"

Finish "regular expression matching"

#######################################

if [ -c /dev/full ]; then
    Begin "testing checking for write errors"
    # Check for write errors noticed when closing the file
    LC_ALL=C $PROG '{print}' <full-awk.dat >/dev/full 2>/dev/null && Fail "case 1"
    # Check for write errors noticed on writing
    # The file has to be bigger than the buffer size of the libc
    LC_ALL=C $PROG '{print}' <"$SRC"/scan.c >/dev/full 2>/dev/null && Fail "case 2"

    Finish "checking for write errors"
else
    echo
    echo "No /dev/full - check for write errors skipped"
fi

#######################################

Begin "testing arrays and flow of control"

LC_ALL=C $PROG -f wfrq0.awk $dat | cmp -s - wfrq-awk.out || Fail "wfrq-awk"

Finish "array test"

#######################################

Begin "testing nextfile"

LC_ALL=C $PROG -f nextfile.awk full-awk.dat $dat | cmp -s - nextfile.out || Fail "nextfile.awk"

Finish "nextfile test"

#################################

Begin "testing function calls and general stress test"

LC_ALL=C $PROG -f "$SRC"/examples/decl.awk $dat | cmp -s - decl-awk.out || Fail "examples/decl.awk"

Finish "general stress test"

#################################

Begin "testing r{n,m} repetitions"

LC_ALL=C $PROG -f repetitions.awk repetitions.dat | cmp -s - repetitions.out || Fail "repetitions.awk"
LC_ALL=C $PROG -f interval0.awk repetitions.dat | cmp -s - interval0.out || Fail "interval0.awk"

Finish "repetitions test"

#################################

#################################

Begin "character-classes demo"
LC_ALL=C $PROG -f cclass.awk mawktest.dat | cmp -s - cclass.out || Fail "cclass.awk"
Finish "character-classes demo"

#################################

#################################
Begin "long-lines test"
AWK=$PROG ./longline.sh | cmp -s - longline.out || Fail "longline.awk"
Finish "long-lines test"

#################################

#################################

not_a_sign() {
	sed -e 's/[-+][Ii]nf/inf/g' -e 's/[-+][Nn]a[Nn]/nan/g' nan-$1.out >$MYTEMP/ref.log
	sed -e 's/[-+][Ii]nf/inf/g' -e 's/[-+][Nn]a[Nn]/nan/g' $MYTEMP/result >$MYTEMP/cmp.log
	if cmp -s $MYTEMP/ref.log $MYTEMP/cmp.log
	then
		echo "? different signs of Inf/NaN in $1 test"
	else
		Fail "nan.awk ($1)"
	fi
}

Begin "not-a-number demo"
LC_ALL=C $PROG --posix -f nan.awk | tee $MYTEMP/result | cmp -s - nan-posix.out  || not_a_sign "posix"
LC_ALL=C $PROG         -f nan.awk | tee $MYTEMP/result | cmp -s - nan-legacy.out || not_a_sign "legacy"
Finish "not-a-number demo"

#################################

echo
echo "##################################################"
Summary "tested $PROG"
echo "##################################################"

trap 0
rm -rf "$MYTEMP"
exit "$ERRS"
# vile: ts=4 sw=4