#!/bin/sh

. ./defs

set -e

# We don't check the output, but just running these might be enough to
# trigger assertions.

./emptinesscheck -e 'a'
./emptinesscheck -e 'a U b'
./emptinesscheck -e 'X a'
./emptinesscheck -e 'a & b & c'
./emptinesscheck -e 'a | b | (c U (d & (g U (h ^ i))))'
./emptinesscheck -e 'Xa & (b U !a) & (b U !a)'
./emptinesscheck -e 'Fa & Xb & GFc & Gd'
./emptinesscheck -e 'Fa & Xa & GFc & Gc'
./emptinesscheck -e 'Fc & X(a | Xb) & GF(a | Xb) & Gc'
./emptinesscheck -e '!((FF a) <=> (F x))'
./emptinesscheck -e '!((FF a) <=> (F a))'