hoaparse.test 14.7 KB
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#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2014 Laboratoire de Recherche et Développement de
# l'Epita (LRDE).
#
# This file is part of Spot, a model checking library.
#
# Spot is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Spot is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


. ./defs

set -e

expecterr()
{
   cat >$1.exp
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   ../../bin/autfilt --hoa "$@" 2>$1.err >$1.out && exit 1
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   test $? = 2
   cat $1.err
   diff $1.err $1.exp
}

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expectok()
{
   cat >$1.exp
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   ../../bin/autfilt --hoa "$@" >$1.out
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   test $? = 0
   cat $1.out
   diff $1.out $1.exp
}

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cat >input <<EOF
HOA: v1
States: 1
Start: 0
AP: 1 "a"
States: 2
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[0] 1
State: 1 {0}
[t] 1
--END--
EOF

expecterr input <<EOF
input:5.1-9: redefinition of the number of states...
input:2.1-9: ... previously defined here.
EOF

cat >input <<EOF
HOA: v1
States: 1
Start: 0
AP: 1 "a"
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[0] 1
State: 1 {0}
[t] 1
--END--
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2 1t
2 1
1 -1 "b"
0 -1 & "a" ! "b"
-1
1 0
2 0 -1 t
-1
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EOF

expecterr input <<EOF
input:8.5: state number is larger than state count...
input:2.1-9: ... declared here.
input:9.8: state number is larger than state count...
input:2.1-9: ... declared here.
input:10.5: state number is larger than state count...
input:2.1-9: ... declared here.
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input:13.1: state number is larger than state count...
input:12.1: ... declared here.
input:18.1: state number is larger than state count...
input:12.1: ... declared here.
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EOF

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cat >input <<EOF
HOA: v1
States: 1
Start: 0
AP: 1 "a"
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
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[2] 0
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State: 0 {0}
[t] 0
--END--
EOF

expecterr input <<EOF
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input:8.2: AP number is larger than the number of APs...
input:4.1-5: ... declared here
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input:9.1-8: redeclaration of state 0
EOF

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cat >input <<EOF
HOA: v1
States: 0
AP: 1 "a" "b"
Acceptance: 0 t
--BODY--
--END--
EOF

expecterr input <<EOF
input:3.1-13: found 2 atomic propositions instead of the 1 announced
EOF

cat >input <<EOF
HOA: v1
AP: 1 "a"
States: 0
AP: 2 "a" "b"
Acceptance: 0 t
--BODY--
--END--
EOF

expecterr input <<EOF
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input:4.1-3: ignoring this redeclaration of APs...
input:2.1-5: ... previously declared here.
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EOF

cat >input <<EOF
HOA: v1
AP: 1 "a"
States: 0
Start: 1
--BODY--
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State: 0 {0 1}
[0] 0 {0}
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--END--
EOF

expecterr input <<EOF
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input:4.1-8: initial state number is larger than state count...
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input:3.1-9: ... declared here.
input:1.1-4.8: missing 'Acceptance:' header
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input:6.8: state number is larger than state count...
input:3.1-9: ... declared here.
input:6.10-14: ignoring acceptance sets because of missing acceptance condition
input:7.5: state number is larger than state count...
input:3.1-9: ... declared here.
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EOF

cat >input <<EOF
HOA: v1
AP: 1 "a"
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Start: 1
States: 1
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--BODY--
--END--
EOF

expecterr input <<EOF
input:3.1-8: initial state number is larger than state count...
input:4.1-9: ... declared here.
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input:1.1-4.9: missing 'Acceptance:' header
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EOF

cat >input <<EOF
HOA: v1
Acceptance: 1 Inf(0)
Start: 0
States: 1
Acceptance: 1 Inf(0)
--BODY--
--END--
EOF

expecterr input <<EOF
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input:5.1-13: ignoring this redefinition of the acceptance condition...
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input:2.1-13: ... previously defined here.
EOF

cat >input <<EOF
HOA: v1
Start: 0
AP: 1 "a"
States: 2
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[0] 1
State: 1 {1}
[t] 1
--END--
EOF

expecterr input <<EOF
input:9.11: number is larger than the count of acceptance sets...
input:5.1-13: ... declared here.
EOF

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# Let's have two broken automata in a row...
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cat >input <<EOF
HOA: v1
Start: 0
AP: 1 "a"
States: 2
Acceptance: 1 Inf(2)
--BODY--
State: 0 {0}
[0] 1
State: 1 {0}
[t] 1
--END--
HOA: v2
--BODY--
--END--
EOF

expecterr input <<EOF
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input:5.19: number is larger than the count of acceptance sets...
input:5.1-13: ... declared here.
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input:12.6-7: unsupported version of the HOA format
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input:12.1-7: missing 'Acceptance:' header
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EOF
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cat >input<<EOF
    HOA: v1
    States: 3
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
    AP: 2 "a" "b"
    --BODY--
    State: 0 "foo" { 0 }
      2  /* !a  & !b */
      0  /*  a  & !b */
      1  /* !a  &  b */
      1  /*  a  &  b */
    State: 1 { 1 }
      1 1 1 1       /* four transitions on one line */
    State: 2 "sink state" { 0 }
      2 2 2 2
    --END--
EOF

expectok input <<EOF
HOA: v1
States: 3
Start: 0
AP: 2 "a" "b"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels state-acc complete deterministic
--BODY--
State: 0 {0}
[!0&!1] 1
[0&!1] 0
[!0&1] 2
[0&1] 2
State: 1 {0}
[!0&!1] 1
[0&!1] 1
[!0&1] 1
[0&1] 1
State: 2 {1}
[!0&!1] 2
[0&!1] 2
[!0&1] 2
[0&1] 2
--END--
EOF

cat >input<<EOF
    HOA: v1
    States: 3
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
    AP: 2 "a" "b"
    --BODY--
    State: 0 "foo" { 0 }
      2  /* !a  & !b */
      0  /*  a  & !b */
      1  /* !a  &  b */
      /* missing transition */
    State: 1 { 1 }
      1 1 1 1       /* four transitions on one line */
    State: 2 "sink state" { 0 }
      2 2 2 2
    --END--
EOF

expecterr input <<EOF
input:8.5-11.7: not enough transitions for this state
EOF

cat >input<<EOF
    HOA: v1
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    tool: "test"
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    States: 3
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
    AP: 2 "a" "b"
    --BODY--
    State: 0 "foo" { 0 }
      2  /* !a  & !b */
      0  /*  a  & !b */
      1  /* !a  &  b */
      1  /*  a  &  b */
      2  /*  extra transition ! */
    State: 1 { 1 }
      1 1 1 1       /* four transitions on one line */
    State: 2 "sink state" { 0 }
      2 2 2 2
    --END--
EOF

expecterr input <<EOF
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input:14.7: too many transition for this state, ignoring this one
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EOF
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cat >input <<EOF
    HOA: v1
    name: "GFa & GF(b & c)"
    States: 1
    Start: 0
    acc-name: generalized-Buchi 2
    Acceptance: 2 (Inf(0) & Inf(1))
    AP: 3 "a" "b" "c"
    Alias: @a 0
    Alias: @a 1 & 2 /* should be @bc */
    --BODY--
    State: 0
    [!@a & !@bc] 0
    [@a & !@bc]  0 {0}
    [!@a & @bc]  0 {1}
    [@a & @bc]   0 {0 1}
    --END--
EOF

expecterr input <<EOF
input:9.5-19: ignoring redefinition of alias @a
input:12.13-15: unknown alias @bc
input:13.12-14: unknown alias @bc
input:14.12-14: unknown alias @bc
input:15.11-13: unknown alias @bc
EOF

cat >input <<EOF
    HOA: v1
    name: "GFa & GF(b & c)"
    States: 1
    Start: 0
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    acc-name: who cares
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    Acceptance: 2 (Inf(0) & Inf(1))
    AP: 3 "a" "b" "c"
    Alias: @a 0
    Alias: @bc 1 & 2
    --BODY--
    State: 0
    [!@a & !@bc] 0
    [@a & !@bc]  0 {0}
    [!@a & @bc]  0 {1}
    [@a & @bc]   0 {0 1}
    --END--
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/* Some comment */
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HOA: v1
States: 2
Start: 0
Acceptance: 0 t
AP: 1 "a"
--BODY--
State: [0] 0 1
State: [0] 1 1
--END--
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EOF

expectok input <<EOF
HOA: v1
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name: "GFa & GF(b & c)"
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States: 1
Start: 0
AP: 3 "a" "b" "c"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels trans-acc complete deterministic
--BODY--
State: 0
[!0&!1 | !0&!2] 0
[0&!1 | 0&!2] 0 {0}
[!0&1&2] 0 {1}
[0&1&2] 0 {0 1}
--END--
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HOA: v1
States: 2
Start: 0
AP: 1 "a"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0
[0] 1
State: 1
[0] 1
--END--
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EOF
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expectok input --stats='%F:%L' <<EOF
input:1.5-16.11
input:18.1-26.7
EOF

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cat >input <<EOF
HOA: v1
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--ABORT--
HOA: v1
States: 2
Start: 0
Acceptance: 2 (Inf(0) & Inf(!0)) &
     --ABORT----ABORT--
HOA: v1
States: 2
Start: 0
Acceptance: 2 (Inf(0) & Inf(!0)) & Inf(!1)
AP: 1 "a"
     --BODY-- State: 0 {0
}
[0] 1
[!0--ABORT--
HOA: v1
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States: 2
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name: "survivor"
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Start: 0
Acceptance: 2 (Inf(0) & Inf(!0)) & Inf(!1)
AP: 1 "a"
--BODY--
State: 0 {0}
[0] 1
[!0] 0 {1}
State: 1
[!0] 1
[0] 0
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[f] 0
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--END--
EOF

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expecterr input <<EOF
input:1.1-2.9: aborted input automaton
input:3.1-7.14: aborted input automaton
input:7.15-23: aborted input automaton
input:8.1-16.12: aborted input automaton
EOF

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# DOS-style new lines should have the same output.
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perl -pi -e 's/$/\r/' input
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../../bin/autfilt --hoa input 2>stderr && exit 1
cat stderr
diff stderr input.exp

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cat >expected <<EOF
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HOA: v1
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name: "survivor"
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States: 2
Start: 0
AP: 1 "a"
acc-name: generalized-Buchi 3
Acceptance: 3 Inf(0)&Inf(1)&Inf(2)
properties: trans-labels explicit-labels trans-acc complete deterministic
--BODY--
State: 0
[0] 1 {0 1}
[!0] 0 {0}
State: 1
[!0] 1 {1 2}
[0] 0 {1 2}
--END--
EOF
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diff expected input.out
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# Mix HOA with neverclaims and LBTT automata
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cat >input <<EOF
HOA: v1
States: 2
Start: 0
Start: 1
Start: 0 /* duplicate */
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AP: 2 "a" "\"b\""
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Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[1] 1
[!1] 0
State: 1
[!0] 1
[0] 0
--END--
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/* some LBTT with mixed state/transition acceptance,
   just because we can */
4 2ts
0 1 -1
1 -1 "c"
2 -1 & "b" ! "c"
3 -1 ! "c"
-1
1 0 1 -1
1 0 -1 t
-1
2 0 -1
1 -1 "c"
2 -1 & "b" ! "c"
-1
3 0 -1
3 0 1 -1 & "a" "b"
3 1 -1 & "a" ! "b"
3 0 -1 & ! "a" "b"
3 -1 & ! "a" ! "b"
-1


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never  {    /* a U b */
T0_init:
        if
        :: ((b)) -> goto accept_all
        :: ((a)) -> goto T0_init
        fi;
accept_all:
        skip
}


never {
  start: if :: false -> goto T0 fi;
  T0: false
}
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EOF

expectok input <<EOF
HOA: v1
States: 3
Start: 0
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AP: 2 "a" "\"b\""
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acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete
--BODY--
State: 0
[1] 1
[!1] 2
[!0] 1
[0] 2
State: 1
[!0] 1
[0] 2
State: 2 {0}
[1] 1
[!1] 2
--END--
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HOA: v1
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States: 4
Start: 0
AP: 3 "c" "b" "a"
acc-name: generalized-Buchi 2
Acceptance: 2 Inf(0)&Inf(1)
properties: trans-labels explicit-labels trans-acc
--BODY--
State: 0
[0] 1
[!0&1] 2
[!0] 3
State: 1
[t] 1 {0 1}
State: 2
[0] 1
[!0&1] 2
State: 3
[1&2] 3 {0 1}
[!1&2] 3 {0}
[1&!2] 3 {1}
[!1&!2] 3
--END--
HOA: v1
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States: 2
Start: 0
AP: 2 "b" "a"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc
--BODY--
State: 0
[0] 1
[1] 0
State: 1 {0}
[t] 1
--END--
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc deterministic
--BODY--
State: 0
[f] 1
State: 1
--END--
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EOF

cat >input <<EOF
HOA: v1
States: 2
Start: 0
Start: 0  /* duplicate */
AP: 2 "a" "b"
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[1] 1
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[!1] 0  /* nested /* comment */ */
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State: 1
[!0] 1
[0] 0
--END--
EOF

expectok input <<EOF
HOA: v1
States: 2
Start: 0
AP: 2 "a" "b"
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete deterministic
--BODY--
State: 0 {0}
[1] 1
[!1] 0
State: 1
[!0] 1
[0] 0
--END--
EOF
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cat >input <<EOF
HOA: v1
States: 3
Start: 0
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AP: 2 "a" "b"/* multi
line
comment */
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Acceptance: 1 Inf(0)
--BODY--
State: [1] 0 {0}
[!1] 0
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State: 1
[!0] 1
     2
State: 2
     1
[t] 2
   1 2
--END--
EOF

expecterr input <<EOF
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input:10.1-4: cannot label this edge because...
input:9.8-10: ... the state is already labeled.
input:14.6: missing label for this edge (previous edge is labeled)
input:17.1-3: ignoring this label, because previous edge has no label
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EOF

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cat >input <<EOF
HOA: v1
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States: /* multi-line
comment
*/2
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Start: 0
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Important: 4 very important "with multi-line
string!"
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AP: 0
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0} 1
State: 1 0
--END--
EOF

expecterr input <<EOF
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input:6.1-7.8: ignoring unsupported header "Important:"
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	(but the capital indicates information that should not be ignored)
EOF

cat >expected <<EOF
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
properties: trans-labels explicit-labels state-acc complete deterministic
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
EOF

diff expected input.out
736

737
# DOS-style new lines should have the same output.
738
perl -pe -e 's/$/\r/' input
739
740
741
742
../../bin/autfilt --hoa input 2>stderr && exit 1
cat stderr
diff stderr input.exp
diff expected input.out
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787

# Error recovery

cat >input <<EOF
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {a}  /* not a digit */
[t] 1
State: 1
[a] 0         /* not a digit */
--END--
HOA: v1
Acceptance: 1 Inf(0)
States: 2
Start: 0
AP: 0
acc-name: Buchi
--BODY--
State: 0 {0}
[t] "f" 1     /* WTF? */
State: 1
[t] 0
--END--
some garbage HOA: v1
Acceptance: 1 Inf(0)
States: 2
Start: 0
AP: 0
acc-name: Buchi
--BODY--
Stat: 0 {0}  /* not State: */
[t] 1
State: 1
[t] 0
--END--
this is complete garbage!
--END--
and even more garbage
EOF

788
se='syntax error, unexpected'  # this is just to keep lines short
789
end='end of file or HOA: or never or LBTT header'
790
expecterr input <<EOF
791
input:8.11: $se identifier, expecting integer or '}'
792
input:8.10-12: ignoring this invalid acceptance set
793
input:11.2: $se identifier
794
input:11.1-3: ignoring this invalid label
795
input:21.5-7: $se string, expecting integer
796
input:25.1: $se \$undefined, expecting $end
797
input:25.1-12: ignoring leading garbage
798
input:32.1-5: $se header name, expecting --END-- or State:
799
input:37.1: $se 't', expecting $end
800
autfilt: failed to read automaton from input
801
EOF
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867

# A comment can contain --BODY-- or --END--, so we do not want to be
# smart about it.
cat >input <<EOF
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi /* unclosed comment
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
EOF

expecterr input <<EOF
input:5.17-25.1: unclosed comment
input:5.17-25.1: syntax error, unexpected end of file
autfilt: failed to read automaton from input
EOF

# Likewise for strings
cat >input <<EOF
HOA: v1
States: 2
Start: 0
tool: "unterminated string
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
EOF

expecterr input <<EOF
868
869
input:4.7-26.1: unclosed string
input:26.1: syntax error, unexpected end of file
870
871
autfilt: failed to read automaton from input
EOF
872
873
874
875

expecterr non-existant<<EOF
autfilt: Cannot open file non-existant
EOF
876

877
878
879
run 2 ../ltl2tgba -XH foob 2>output.err
grep 'foob:1.1: Cannot open file foob' output.err

880
881
882
883
# Make sure we can read multiple automata from stdin
../../bin/ltl2tgba 'a U b' 'GFa' --hoa | grep -v '^name:' > input
../../bin/autfilt --hoa < input | ../../bin/autfilt --hoa > output
diff input output
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905



# Parse something in debug mode, to exercise the %printer
cat >input <<EOF
HOA: v1
States: 2
Start: 0
AP: 0
acc-name: Buchi
Acceptance: 1 Inf(0)
--BODY--
State: 0 {0}
[t] 1
State: 1
[t] 0
--END--
EOF

run 0 ../ltl2tgba -d -XH input 2> output.err
grep -- "--BODY--" output.err
grep "identifier.*v1" output.err