QWindowsPipeReader: fix occasional "Unknown error 995"

After canceling the asynchronous read operation, the
notified() slot receives ERROR_OPERATION_ABORTED.
We must not handle this situation as an error.

This amends commit 5ce567c5.

Task-number: QTBUG-48336
Change-Id: Iff948ceb3ad1f805a9de8c188fbc39ed4c76ba82
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/auto/network/socket/qlocalsocket/tst_qlocalsocket.cpp b/tests/auto/network/socket/qlocalsocket/tst_qlocalsocket.cpp
index 4881d86937..9130aff4e2 100644
--- a/tests/auto/network/socket/qlocalsocket/tst_qlocalsocket.cpp
+++ b/tests/auto/network/socket/qlocalsocket/tst_qlocalsocket.cpp
@@ -98,6 +98,7 @@ private slots:
     void removeServer();
 
     void recycleServer();
+    void recycleClientSocket();
 
     void multiConnect();
     void writeOnlySocket();
@@ -954,6 +955,34 @@ void tst_QLocalSocket::recycleServer()
     QVERIFY(server.nextPendingConnection() != 0);
 }
 
+void tst_QLocalSocket::recycleClientSocket()
+{
+    const QByteArrayList lines = QByteArrayList() << "Have you heard of that new band"
+                                                  << "\"1023 Megabytes\"?"
+                                                  << "They haven't made it to a gig yet.";
+    QLocalServer server;
+    const QString serverName = QStringLiteral("recycleClientSocket");
+    QVERIFY(server.listen(serverName));
+    QLocalSocket client;
+    QSignalSpy clientReadyReadSpy(&client, SIGNAL(readyRead()));
+    QSignalSpy clientErrorSpy(&client, SIGNAL(error(QLocalSocket::LocalSocketError)));
+    for (int i = 0; i < lines.count(); ++i) {
+        client.abort();
+        clientReadyReadSpy.clear();
+        client.connectToServer(serverName);
+        QVERIFY(client.waitForConnected());
+        QVERIFY(server.waitForNewConnection());
+        QLocalSocket *serverSocket = server.nextPendingConnection();
+        QVERIFY(serverSocket);
+        connect(serverSocket, &QLocalSocket::disconnected, &QLocalSocket::deleteLater);
+        serverSocket->write(lines.at(i));
+        serverSocket->flush();
+        QVERIFY(clientReadyReadSpy.wait());
+        QCOMPARE(client.readAll(), lines.at(i));
+        QVERIFY(clientErrorSpy.isEmpty());
+    }
+}
+
 void tst_QLocalSocket::multiConnect()
 {
     QLocalServer server;