test/: Add test cases for "-d" and "-s"/"-r"

* day-001.sh: Compare output of "-d<date>" with hardcoded data.
* day-002.sh: Compare output of "-d<num>" with hardcoded data.
* day-003.sh: Compare output of "-d<num>" with "-s<date> -r<num>".
* range-001.sh: Compare output of "-r" with hardcoded data.
* range-002.sh: Compare output of "-r<num>" with hardcoded data.
* range-003.sh: Compare output of "-r<num>" with "-s<date> -r<num>".

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

test/range-003.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+if [ ! -x "$(command -v faketime)" ]; then
+  echo "libfaketime not found - skipping $0..."
+  exit 1
+fi
+
+if [ "$1" = 'actual' ]; then
+  faketime '2000-01-01 00:00:00' calcurse -D data/ -r400
+elif [ "$1" = 'expected' ]; then
+  calcurse -D data/ -s01/01/2000 -r400
+else
+  ./run-test "$0"
+fi