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authorJakob Unterwurzacher2017-05-01 17:49:37 +0200
committerJakob Unterwurzacher2017-05-01 17:49:37 +0200
commit9ab11aa4d775f7c1242e8b044cc2f8957cc2c784 (patch)
treef4f302b3573dff151b2290d6f1a2d9436cd24e57 /tests/defaults
parent514f515dd7196e26ca8df6886ac4a34e928e50dd (diff)
fusefrontend: drop writeOnly flag
We do not have to track the writeOnly status because the kernel will not forward read requests on a write-only FD to us anyway. I have verified this behavoir manually on a 4.10.8 kernel and also added a testcase.
Diffstat (limited to 'tests/defaults')
-rw-r--r--tests/defaults/main_test.go15
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/defaults/main_test.go b/tests/defaults/main_test.go
index 52ca727..8c1b7e3 100644
--- a/tests/defaults/main_test.go
+++ b/tests/defaults/main_test.go
@@ -116,3 +116,18 @@ func TestOpenTruncateRead(t *testing.T) {
t.Fatalf("wrong content: %s", string(content))
}
}
+
+// TestWORead tries to read from a write-only file.
+func TestWORead(t *testing.T) {
+ fn := test_helpers.DefaultPlainDir + "/TestWORead"
+ fd, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY, 0600)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer fd.Close()
+ buf := make([]byte, 10)
+ _, err = fd.Read(buf)
+ if err == nil {
+ t.Error("Reading from write-only file should fail, but did not")
+ }
+}