From dbc48cd39fb3f1f87fc58b8ed32e1dca54eb4bbe Mon Sep 17 00:00:00 2001
From: Aaron Jacobs <jacobsa@google.com>
Date: Mon, 18 May 2015 10:13:28 +1000
Subject: [PATCH] ReadOnlyTest.OpenForWrite

---
 samples/flushfs/flush_fs_test.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/samples/flushfs/flush_fs_test.go b/samples/flushfs/flush_fs_test.go
index 5b232ab..238f09a 100644
--- a/samples/flushfs/flush_fs_test.go
+++ b/samples/flushfs/flush_fs_test.go
@@ -1008,7 +1008,16 @@ func (t *ReadOnlyTest) Mkdir() {
 }
 
 func (t *ReadOnlyTest) OpenForWrite() {
-	AssertTrue(false, "TODO")
+	modes := []int{
+		os.O_WRONLY,
+		os.O_RDWR,
+	}
+
+	for _, mode := range modes {
+		f, err := os.OpenFile(path.Join(t.Dir, "foo"), mode, 0700)
+		f.Close()
+		ExpectThat(err, Error(HasSubstr("read-only")), "mode: %v", mode)
+	}
 }
 
 func (t *ReadOnlyTest) Chtimes() {