Test for the directory structure

Ensure that calcurse uses the right data and configuration directories
depending on the conditions.

Helped-by: Lars Henriksen <LarsHenriksen@get2net.dk>
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>

test/io-004.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+. "${TEST_INIT:-./test-init.sh}"
+home=$(mktemp -d)
+data=$(mktemp -d)
+conf=$(mktemp -d)
+
+HOME="$home" XDG_DATA_HOME="$data" XDG_CONFIG_HOME="$conf" "$CALCURSE" -a
+[ -f "$data/calcurse/apts" ] && [ -f "$conf/calcurse/conf" ] && failed=0 || failed=1
+
+rm -rf "$home" "$data" "$conf"
+exit "$failed"