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-005.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+. "${TEST_INIT:-./test-init.sh}"
+home=$(mktemp -d)
+
+CALCURSE=$(readlink -f "$CALCURSE")
+(unset -v XDG_DATA_HOME XDG_CONFIG_HOME; HOME="$home" "$CALCURSE" -a)
+[ -f "$home/.local/share/calcurse/apts" ] && [ -f "$home/.config/calcurse/conf" ] && failed=0 || failed=1
+
+rm -rf "$home"
+exit "$failed"