1 files changed, 33 insertions, 0 deletions
diff --git a/vendor/github.com/braintree/manners/test_helpers/wait_group.go b/vendor/github.com/braintree/manners/test_helpers/wait_group.go
new file mode 100644
index 000000000..1df590db7
--- /dev/null
+++ b/vendor/github.com/braintree/manners/test_helpers/wait_group.go
@@ -0,0 +1,33 @@
+package test_helpers
+
+import "sync"
+
+type WaitGroup struct {
+	sync.Mutex
+	Count      int
+	WaitCalled chan int
+}
+
+func NewWaitGroup() *WaitGroup {
+	return &WaitGroup{
+		WaitCalled: make(chan int, 1),
+	}
+}
+
+func (wg *WaitGroup) Add(delta int) {
+	wg.Lock()
+	wg.Count++
+	wg.Unlock()
+}
+
+func (wg *WaitGroup) Done() {
+	wg.Lock()
+	wg.Count--
+	wg.Unlock()
+}
+
+func (wg *WaitGroup) Wait() {
+	wg.Lock()
+	wg.WaitCalled <- wg.Count
+	wg.Unlock()
+}