1 files changed, 32 insertions, 0 deletions
diff --git a/contrib/bmake/unit-tests/cmd-errors-jobs.mk b/contrib/bmake/unit-tests/cmd-errors-jobs.mk
new file mode 100644
index 000000000000..8462a2e3497e
--- /dev/null
+++ b/contrib/bmake/unit-tests/cmd-errors-jobs.mk
@@ -0,0 +1,32 @@
+# $NetBSD: cmd-errors-jobs.mk,v 1.1 2020/12/27 05:11:40 rillig Exp $
+#
+# Demonstrate how errors in variable expansions affect whether the commands
+# are actually executed in jobs mode.
+
+.MAKEFLAGS: -j1
+
+all: undefined unclosed-variable unclosed-modifier unknown-modifier end
+
+# Undefined variables are not an error.  They expand to empty strings.
+undefined:
+	: $@ ${UNDEFINED} eol
+
+# XXX: As of 2020-11-01, this command is executed even though it contains
+# parse errors.
+unclosed-variable:
+	: $@ ${UNCLOSED
+
+# XXX: As of 2020-11-01, this command is executed even though it contains
+# parse errors.
+unclosed-modifier:
+	: $@ ${UNCLOSED:
+
+# XXX: As of 2020-11-01, this command is executed even though it contains
+# parse errors.
+unknown-modifier:
+	: $@ ${UNKNOWN:Z} eol
+
+end:
+	: $@ eol
+
+# XXX: As of 2020-11-02, despite the parse errors, the exit status is 0.