Let the h2 test server both send and receive DATA frames

And use this in the authenticationRequired test.

Change-Id: I18e991eb67168214c2c4f829afaca5018568e989
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
(cherry picked from commit deda40b8591a387e634ebfcf48287c14162ef332)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

2 files changed, 17 insertions, 6 deletions

diff --git a/tests/auto/network/access/http2/http2srv.cpp b/tests/auto/network/access/http2/http2srv.cpp
index dfd0a69327..a4b3508f29 100644
--- a/tests/auto/network/access/http2/http2srv.cpp
+++ b/tests/auto/network/access/http2/http2srv.cpp
@@ -753,8 +753,10 @@ void Http2Server::handleDATA()
     }
 
     if (inboundFrame.flags().testFlag(FrameFlag::END_STREAM)) {
-        closedStreams.insert(streamID); // Enter "half-closed remote" state.
-        streamWindows.erase(it);
+        if (responseBody.isEmpty()) {
+            closedStreams.insert(streamID); // Enter "half-closed remote" state.
+            streamWindows.erase(it);
+        }
         emit receivedData(streamID);
     }
     emit receivedDATAFrame(streamID,
diff --git a/tests/auto/network/access/http2/tst_http2.cpp b/tests/auto/network/access/http2/tst_http2.cpp
index 29121581f8..7a2a1db113 100644
--- a/tests/auto/network/access/http2/tst_http2.cpp
+++ b/tests/auto/network/access/http2/tst_http2.cpp
@@ -160,6 +160,7 @@ private:
     int windowUpdates = 0;
     bool prefaceOK = false;
     bool serverGotSettingsACK = false;
+    bool POSTResponseHEADOnly = true;
 
     static const RawSettings defaultServerSettings;
 };
@@ -889,14 +890,21 @@ void tst_Http2::contentEncoding()
 void tst_Http2::authenticationRequired_data()
 {
     QTest::addColumn<bool>("success");
-
-    QTest::addRow("failed-auth") << false;
-    QTest::addRow("successful-auth") << true;
+    QTest::addColumn<bool>("responseHEADOnly");
+
+    QTest::addRow("failed-auth") << false << true;
+    QTest::addRow("successful-auth") << true << true;
+    // Include a DATA frame in the response from the remote server. An example would be receiving a
+    // JSON response on a request along with the 401 error.
+    QTest::addRow("failed-auth-with-response") << false << false;
+    QTest::addRow("successful-auth-with-response") << true << false;
 }
 
 void tst_Http2::authenticationRequired()
 {
     clearHTTP2State();
+    QFETCH(const bool, responseHEADOnly);
+    POSTResponseHEADOnly = responseHEADOnly;
 
     QFETCH(const bool, success);
 
@@ -975,6 +983,7 @@ void tst_Http2::clearHTTP2State()
     windowUpdates = 0;
     prefaceOK = false;
     serverGotSettingsACK = false;
+    POSTResponseHEADOnly = true;
 }
 
 void tst_Http2::runEventLoop(int ms)
@@ -1107,7 +1116,7 @@ void tst_Http2::receivedData(quint32 streamID)
     Q_ASSERT(srv);
     QMetaObject::invokeMethod(srv, "sendResponse", Qt::QueuedConnection,
                               Q_ARG(quint32, streamID),
-                              Q_ARG(bool, true /*HEADERS only*/));
+                              Q_ARG(bool, POSTResponseHEADOnly /*true = HEADERS only*/));
 }
 
 void tst_Http2::windowUpdated(quint32 streamID)