1 files changed, 30 insertions, 0 deletions
diff --git a/contrib/bmake/unit-tests/meta-output.mk b/contrib/bmake/unit-tests/meta-output.mk
new file mode 100644
index 000000000000..104091df5d00
--- /dev/null
+++ b/contrib/bmake/unit-tests/meta-output.mk
@@ -0,0 +1,30 @@
+#
+
+.MAIN: all
+
+.if make(output)
+.MAKE.MODE= meta curDirOk=true nofilemon
+.else
+.MAKE.MODE= compat
+.endif
+
+all: output.-B output.-j1
+
+_mf := ${.PARSEDIR}/${.PARSEFILE}
+
+# This output should be accurately reflected in the .meta file.
+# We append an extra newline to ${.TARGET} (after it has been
+# written to stdout) to match what meta_cmd_finish() will do.
+output: .NOPATH
+	@{ echo Test ${tag} output; \
+	for i in 1 2 3; do \
+	printf "test$$i:  "; sleep 0; echo " Done"; \
+	done; echo; } | tee ${.TARGET}; echo >> ${.TARGET}
+
+# The diff at the end should produce nothing.
+output.-B output.-j1:
+	@{ rm -f ${TMPDIR}/output; mkdir -p ${TMPDIR}/obj; \
+	MAKEFLAGS= ${.MAKE} -r -C ${TMPDIR} ${.TARGET:E} tag=${.TARGET:E} -f ${_mf} output; \
+	sed '1,/command output/d' ${TMPDIR}/obj/output.meta > ${TMPDIR}/obj/output-meta; \
+	${DIFF:Udiff} ${TMPDIR}/obj/output ${TMPDIR}/obj/output-meta; }
+