From c0dda6a7b34defb8e60f46a67bfc357ee846c1b4 Mon Sep 17 00:00:00 2001
From: James Bardin <j.bardin@gmail.com>
Date: Fri, 17 Feb 2017 13:29:13 -0500
Subject: [PATCH] test failure for windows local locks

---
 state/local_test.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/state/local_test.go b/state/local_test.go
index 27d1763848..76abde1ce4 100644
--- a/state/local_test.go
+++ b/state/local_test.go
@@ -73,6 +73,30 @@ func TestLocalStateLocks(t *testing.T) {
 	}
 }
 
+// Verify that we can write to the state file, as Windows' mandatory locking
+// will prevent writing to a handle different than the one that hold the lock.
+func TestLocalState_writeWhileLocked(t *testing.T) {
+	s := testLocalState(t)
+	defer os.Remove(s.Path)
+
+	// lock first
+	info := NewLockInfo()
+	info.Operation = "test"
+	lockID, err := s.Lock(info)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		if err := s.Unlock(lockID); err != nil {
+			t.Fatal(err)
+		}
+	}()
+
+	if err := s.WriteState(TestStateInitial()); err != nil {
+		t.Fatal(err)
+	}
+}
+
 func TestLocalState_pathOut(t *testing.T) {
 	f, err := ioutil.TempFile("", "tf")
 	if err != nil {