#!/usr/bin/env bash

bad=

# If you encounter the following problem with Valgrind like I did:
#     https://bugzilla.redhat.com/show_bug.cgi?id=455644
# you can pass the environment variable NO_VALGRIND=1 to run the testsuite
# without it.
if [ "$NO_VALGRIND" ]; then
	cmd=(./testsuite)
else
	cmd=(valgrind --error-exitcode=1 --leak-check=full ./testsuite)
fi

set -o pipefail
# Stdout goes directly to testsuite.out; stderr goes down the pipe.
if ! "${cmd[@]}" 2>&1 >testsuite.out | tee testsuite.err; then
	echo >&2 'Memory errors!'
	bad=1
fi

if grep 'LEAK SUMMARY' testsuite.err >/dev/null; then
	echo >&2 'Memory leaks!'
	bad=1
fi

if ! diff -u testsuite.expected testsuite.out; then
	echo >&2 'Output is incorrect!'
	bad=1
fi

if [ $bad ]; then
	echo >&2 'Test suite failed!'
	exit 1
else
	echo 'Test suite passed.'
fi