#!/usr/bin/env atf-sh

. $(atf_get_srcdir)/test_env.sh
init_tests \
	funcs_check_CBUILD \
	funcs_check_missing_gcc \
	funcs_check_missing_apk \
	funcs_check_missing_git \
	funcs_check_env_set_but_empty

FUNCS=$(atf_get_srcdir)/../functions.sh

funcs_check_CBUILD_body() {
	atf_check -s exit:0 \
		-o not-empty \
		-e empty \
		sh -e -c " . $FUNCS; echo \"\$CBUILD\""
}

funcs_check_missing_gcc_body() {
	atf_check -s exit:0 \
		sh -e -c "CC=false; . $FUNCS && test -z \"$CBUILD\""
}

funcs_check_missing_apk_body() {
	atf_check -s exit:1 \
		-e match:"Unable to deduce build architecture" \
		sh -e -c "APK=false; . $FUNCS && test -z \"$CBUILD\""
}

funcs_check_missing_git_body() {
	atf_check -s exit:0 \
		-o empty \
		-e empty \
		sh -e -c "GIT=false . $FUNCS"
}

funcs_check_env_set_but_empty_body() {
	for arch in aarch64 armv7 armhf ppc64le s390x x86 x86_64; do
		for var in CC CXX HOSTCC HOSTCXX HOSTLD BUILDCC BUILDCXX BUILDLD; do
			cat >script<<-EOF
				unset $var
				CHOST=$arch
				. $FUNCS
				if [ -n "\${$var+set}" ] && [ -z "\$$var" ]; then
					echo '$var set but empty ($arch)'
				fi
			EOF
			atf_check -s exit:0 \
				-o empty \
				-e empty \
				sh script
		done
	done
}