Added files.

imapclient/connection_test.go

@@ -0,0 +1,37 @@
+package imapclient_test
+
+import (
+	"testing"
+	"time"
+
+	"github.com/emersion/go-imap/v2"
+)
+
+// TestClient_Closed tests that the Closed() channel is closed when the
+// connection is explicitly closed via Close().
+func TestClient_Closed(t *testing.T) {
+	client, server := newClientServerPair(t, imap.ConnStateAuthenticated)
+	defer server.Close()
+
+	closedCh := client.Closed()
+	if closedCh == nil {
+		t.Fatal("Closed() returned nil channel")
+	}
+
+	select {
+	case <-closedCh:
+		t.Fatal("Closed() channel closed before calling Close()")
+	default: // Expected
+	}
+
+	if err := client.Close(); err != nil {
+		t.Fatalf("Close() = %v", err)
+	}
+
+	select {
+	case <-closedCh:
+		t.Log("Closed() channel properly closed after Close()")
+	case <-time.After(2 * time.Second):
+		t.Fatal("Closed() channel not closed after Close()")
+	}
+}