#!/bin/bash

lastgiven=''
lastexpected=''

last()
{
    lastgiven="$1"
    lastexpected="$2"
}


assert-equal()
{
    last "$1" "$2"
    [ "$1" == "$2" ]
}


assert-eq()
{
    last "$1" "$2"
    [ $1 -eq $2 ]
}


fail()
{
    echo "FAILURE: $1" >&2
    echo "Expected '$lastexpected', but received '$lastgiven'" >&2
    echo >&2
}