Test cases for impossible dates in recurrence rule

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

test/Makefile.am

@@ -60,7 +60,8 @@ TESTS = \
 	recur-002.sh \
 	recur-003.sh \
 	recur-004.sh \
-	recur-005.sh
+	recur-005.sh \
+	recur-006.sh
 
 TESTS_ENVIRONMENT = \
 	TEST_INIT='$(top_srcdir)/test/test-init.sh' \

test/data/apts-recur

@@ -10,3 +10,5 @@
 01/01/2000 @ 16:00 -> 01/02/2000 @ 02:00 {2D} |Recurrent appointment
 01/01/2000 @ 00:00 -> 01/07/2000 @ 00:00 {1W} |Another recurrent appointment
 01/01/2000 @ 00:00 -> 01/07/2000 @ 00:00 {1D} |Third recurrent appointment
+05/31/2019 @ 07:25 -> 05/31/2019 @ 07:45 {1M} |Ignore impossible dates
+02/29/2020 [1] {1Y} Every 29 February since 2020

test/recur-006.sh

@@ -0,0 +1,50 @@
+#!/bin/sh
+# Ignore impossible dates.
+
+. "${TEST_INIT:-./test-init.sh}"
+
+if [ "$1" = 'actual' ]; then
+  "$CALCURSE" --read-only -D "$DATA_DIR"/ -c "$DATA_DIR/apts-recur" \
+    --startday=5/31/2019 --range=365 --filter-type recur-apt \
+    --filter-pattern impossible
+  "$CALCURSE" --read-only -D "$DATA_DIR"/ -c "$DATA_DIR/apts-recur" \
+    --startday=2/1/2020 --range=1500 --filter-type recur-event \
+    --filter-pattern February
+elif [ "$1" = 'expected' ]; then
+  cat <<EOD
+05/31/19:
+ - 07:25 -> 07:45
+	Ignore impossible dates
+
+07/31/19:
+ - 07:25 -> 07:45
+	Ignore impossible dates
+
+08/31/19:
+ - 07:25 -> 07:45
+	Ignore impossible dates
+
+10/31/19:
+ - 07:25 -> 07:45
+	Ignore impossible dates
+
+12/31/19:
+ - 07:25 -> 07:45
+	Ignore impossible dates
+
+01/31/20:
+ - 07:25 -> 07:45
+	Ignore impossible dates
+
+03/31/20:
+ - 07:25 -> 07:45
+	Ignore impossible dates
+02/29/20:
+ * Every 29 February since 2020
+
+02/29/24:
+ * Every 29 February since 2020
+EOD
+else
+  ./run-test "$0"
+fi