From 88911686c83a0235f2360cd58f2ee34727977576 Mon Sep 17 00:00:00 2001
From: Mircea Trofin <mtrofin@google.com>
Date: Mon, 26 Mar 2018 22:41:06 +0000
Subject: [lit] Generalized /dev/null support on Windows.

Generalized /dev/null remapping on Windows, and added test.

Reviewers: rnk

Reviewed By: rnk

Subscribers: amccarth, zturner, delcypher, llvm-commits

Differential Revision: https://reviews.llvm.org/D44771

llvm-svn: 328589
---
 llvm/utils/lit/tests/Inputs/shtest-shell/check_args.py | 14 ++++++++++++++
 llvm/utils/lit/tests/Inputs/shtest-shell/dev-null.txt  | 14 ++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 llvm/utils/lit/tests/Inputs/shtest-shell/check_args.py
 create mode 100644 llvm/utils/lit/tests/Inputs/shtest-shell/dev-null.txt

(limited to 'llvm/utils/lit/tests')

diff --git a/llvm/utils/lit/tests/Inputs/shtest-shell/check_args.py b/llvm/utils/lit/tests/Inputs/shtest-shell/check_args.py
new file mode 100644
index 00000000000..2f7a2503b97
--- /dev/null
+++ b/llvm/utils/lit/tests/Inputs/shtest-shell/check_args.py
@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+
+import argparse
+import platform
+
+parser = argparse.ArgumentParser()
+parser.add_argument("--my_arg", "-a")
+
+args = parser.parse_args()
+
+answer = (platform.system() == "Windows" and
+          args.my_arg == "/dev/null" and "ERROR") or "OK"
+
+print(answer)
diff --git a/llvm/utils/lit/tests/Inputs/shtest-shell/dev-null.txt b/llvm/utils/lit/tests/Inputs/shtest-shell/dev-null.txt
new file mode 100644
index 00000000000..5b742489cc8
--- /dev/null
+++ b/llvm/utils/lit/tests/Inputs/shtest-shell/dev-null.txt
@@ -0,0 +1,14 @@
+# Check handling of /dev/null in command line options
+# On windows, it should be redirected to a temp file.
+#
+# RUN: "%{python}" %S/check_args.py --my_arg /dev/null | FileCheck %s --check-prefix=CHECK1
+# CHECK1: OK
+
+# RUN: "%{python}" %S/check_args.py --my_arg=/dev/null | FileCheck %s --check-prefix=CHECK2
+# CHECK2: OK
+
+# RUN: "%{python}" %S/check_args.py -a /dev/null | FileCheck %s --check-prefix=CHECK3
+# CHECK3: OK
+
+# RUN: "%{python}" %S/check_args.py -a=/dev/null | FileCheck %s --check-prefix=CHECK4
+# CHECK4: OK
-- 
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