add regression test infrastructure

b2/Makefile

@@ -93,3 +93,15 @@ spotless:	clean
 try:
 	$(VALGRIND) ./boom HIERARCHY -c CHAR -x CURR -p PROVIDER -i INV \
 	  -s SUBST
+
+# ----- Tests -----------------------------------------------------------------
+
+test tests:	all
+		LANG= sh -c \
+		  'passed=0 && cd test && \
+		  for n in [a-z]*; do \
+		  [ $$n != core ] && SCRIPT=$$n . ./$$n; done; \
+		  echo "Passed all $$passed tests"'
+
+valgrind:
+		VALGRIND="valgrind -q" $(MAKE) tests

b2/test/Common

@@ -0,0 +1,64 @@
+#!/bin/bash -x
+#
+# Common - Elements shared by all regression tests for BOOM
+#
+# Written 2012 by Werner Almesberger
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+
+
+run_boom()
+{
+	args="-N file-h <(sed -n '/^!-/q;p' _in)"
+	for n in c i x p s b X; do
+		if grep ^!-$n _in >/dev/null; then
+			args="$args -N file-$n"
+			args="$args -$n <(sed -n '1,/^!-$n/d;/^!-/q;p' _in)"
+		fi
+	done
+	eval $VALGRIND ../boom "$args" "$@"
+}
+
+
+tst()
+{
+	echo -n "$1: " 1>&2
+	shift
+	cat >_in
+	run_boom "$@" >_out 2>&1 || {
+		echo FAILED "($SCRIPT)" 1>&2
+		cat _out
+		exit 1
+	}
+}
+
+
+tst_fail()
+{
+	echo -n "$1: " 1>&2
+	shift
+	cat >_in
+	run_boom "$@" >_out 2>&1 && {
+		echo FAILED "($SCRIPT)" 1>&2
+		cat _out
+		exit 1
+	}
+	rm -f _in
+}
+
+
+expect()
+{
+	diff -u - "$@" _out >_diff || {
+		echo FAILED "($SCRIPT)" 1>&2
+		cat _diff 1>&2
+		exit 1
+	}
+	echo PASSED 1>&2
+	rm -f _in _out _diff
+	passed=`expr ${passed:-0} + 1`
+}