1 files changed, 41 insertions, 0 deletions
diff --git a/tests/preamble b/tests/preamble
new file mode 100644
index 0000000..527a098
--- /dev/null
+++ b/tests/preamble
@@ -0,0 +1,41 @@
+# -*- sh -*-
+# See LICENSE file for copyright and license details.
+
+if test $# = 0; then
+	if "$0" fail for me; then
+		printf 'Testing is broken!\n' >&2
+		exit 2
+	fi
+	set +e
+	"$0" $$
+	r=$?
+	rm -f -- .?-$$.tmp
+	exit $r
+fi
+
+
+set -e
+test $# = 1
+pid=$1
+a=.a-$pid.tmp
+b=.b-$pid.tmp
+PATH="$(dirname -- "$0")/testutil:$PATH"
+export PATH
+
+
+if ! env | grep '^SUPPORTED_OSES=' >/dev/null; then
+	printf '%s\n' \
+		"The test's environment has not been set up;" \
+		'you should run the test via `make check`'
+	exit 1
+fi
+
+. tests/load-functions
+
+alias t='$t'
+
+if ! (. tests/test-self-check) >/dev/null 2>/dev/null; then
+	printf '%s\n' \
+		"The test's self-check failed"
+	exit 1
+fi