# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 2014-08-12 16:02:30
# Node ID 68a7ef4311ce007715c7b415634f8a2a8a970c20
# Parent  e5dfa8689cf09c701304a4d8e7aad7e326489877

run-tests: self-test on Windows needs binary streams

diff --git a/tests/run-tests.py b/tests/run-tests.py
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -1820,4 +1820,13 @@ class TestRunner(object):
 
 if __name__ == '__main__':
     runner = TestRunner()
+
+    try:
+        import msvcrt
+        msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
+        msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
+        msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
+    except ImportError:
+        pass
+
     sys.exit(runner.run(sys.argv[1:]))