libgo: Update to weekly.2011-11-01.

[pf3gnuchains/gcc-fork.git] / libgo / go / os / os_test.go

diff --git a/libgo/go/os/os_test.go b/libgo/go/os/os_test.go
index 3277fc2..b8c4967 100644 (file)
--- a/libgo/go/os/os_test.go
+++ b/libgo/go/os/os_test.go
@@ -163,6 +163,27 @@ func TestLstat(t *testing.T) {
        }
 }
 
+// Read with length 0 should not return EOF.
+func TestRead0(t *testing.T) {
+       path := sfdir + "/" + sfname
+       f, err := Open(path)
+       if err != nil {
+               t.Fatal("open failed:", err)
+       }
+       defer f.Close()
+
+       b := make([]byte, 0)
+       n, err := f.Read(b)
+       if n != 0 || err != nil {
+               t.Errorf("Read(0) = %d, %v, want 0, nil", n, err)
+       }
+       b = make([]byte, 100)
+       n, err = f.Read(b)
+       if n <= 0 || err != nil {
+               t.Errorf("Read(100) = %d, %v, want >0, nil", n, err)
+       }
+}
+
 func testReaddirnames(dir string, contents []string, t *testing.T) {
        file, err := Open(dir)
        defer file.Close()