From 6169a2fe3568a614112227765e05447cd4927b39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20-rsm-=20Marek?= <rsm@disroot.org>
Date: Thu, 25 Jul 2024 20:05:43 +0200
Subject: [PATCH] Makefile: support for testing programs exiting with errors.

---
 Exercise.mk | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Exercise.mk b/Exercise.mk
index b1a0209..9535d1b 100644
--- a/Exercise.mk
+++ b/Exercise.mk
@@ -40,12 +40,15 @@ check: $(TEST_RESULTS)
 	echo -n " - testing "$(ANSIBOLD)$(BINARY)$(ANSIRST)":" \
 		$(ANSIYELLOW)$(patsubst $(TESTDIR)%.tin,%,$?)$(ANSIRST)
 	TEST_ARGS=$$(cat $(patsubst %.tin,%.targs,$?) 2>/dev/null) ; \
-	./$(BINARY) $$TEST_ARGS <$? >$@ult
+	./$(BINARY) $$TEST_ARGS <$? >$@ult 2>$@ult_err || ERR=1
 	diff --color=always --text $@ult $(patsubst %.tin,%.tout,$?)
+	if [ -f $(patsubst %.tin,%.terr,$?) ]; then \
+		diff --color=always --text $@ult_err $(patsubst %.tin,%.terr,$?); fi
 	echo $(ANSIGOK)
 
 clean:
 	echo -n " - Cleaning "$(ANSIYBIN)":"
 	rm -f $(BINARY)
 	rm -f $(TESTDIR)*.result
+	rm -f $(TESTDIR)*.result_err
 	echo $(ANSIGOK)