fix(SubProcess): fix pipe fs close, add tests.

NEED TEST: BufferStream, AutoReadStream, SubProcess.

1 files changed, 10 insertions, 0 deletions

diff --git a/test/common/SubProcessHelper/CruTee.cpp b/test/common/SubProcessHelper/CruTee.cpp
new file mode 100644
index 00000000..4470d2a8
--- /dev/null
+++ b/test/common/SubProcessHelper/CruTee.cpp
@@ -0,0 +1,10 @@
+#include <iostream>
+#include <string>
+
+int main() {
+  std::string s;
+  while (std::cin >> s) {
+    std::cout << s;
+  }
+  return 0;
+}