1 files changed, 20 insertions, 0 deletions
diff --git a/tests/osproc/treadlines.nim b/tests/osproc/treadlines.nim
new file mode 100644
index 000000000..3a8303321
--- /dev/null
+++ b/tests/osproc/treadlines.nim
@@ -0,0 +1,20 @@
+discard """
+  output: '''Error: cannot open 'a.nim'
+Error: cannot open 'b.nim'
+'''
+  targets: "c"
+"""
+
+import osproc
+
+var ps: seq[Process] # compile & run 2 progs in parallel
+for prog in ["a", "b"]:
+  ps.add startProcess("nim", "",
+                      ["r", "--hint[Conf]=off", "--hint[Processing]=off", prog],
+                      options = {poUsePath, poDaemon, poStdErrToStdOut})
+
+for p in ps:
+  let (lines, exCode) = p.readLines
+  if exCode != 0:
+    for line in lines: echo line
+  p.close