Add client test for clipboard when losing keyboard focus

Also, verifies that we fixed a recent bug about QClipboard::dataChanged not
being emitted when the clipboard is invalidated due to losing focus.

Change-Id: Ie92b618a4f673c21d6582979249700aef8785536
Reviewed-by: Pekka Vuorela <pvuorela@iki.fi>

2 files changed, 30 insertions, 1 deletions

diff --git a/tests/auto/client/datadevicev1/tst_datadevicev1.cpp b/tests/auto/client/datadevicev1/tst_datadevicev1.cpp
index e3babceb5..1568b3b96 100644
--- a/tests/auto/client/datadevicev1/tst_datadevicev1.cpp
+++ b/tests/auto/client/datadevicev1/tst_datadevicev1.cpp
@@ -59,6 +59,7 @@ private slots:
     void pasteUtf8();
     void destroysPreviousSelection();
     void destroysSelectionWithSurface();
+    void destroysSelectionOnLeave();
     void dragWithoutFocus();
 };
 
@@ -215,6 +216,35 @@ void tst_datadevicev1::destroysSelectionWithSurface()
     QCOMPOSITOR_TRY_COMPARE(dataDevice()->m_sentSelectionOffers.size(), 0);
 }
 
+void tst_datadevicev1::destroysSelectionOnLeave()
+{
+    QRasterWindow window;
+    window.resize(64, 64);
+    window.show();
+    QCOMPOSITOR_TRY_VERIFY(xdgSurface() && xdgSurface()->m_committedConfigureSerial);
+
+    exec([&] {
+        auto *offer = dataDevice()->sendDataOffer(client(), {"text/plain"});
+        dataDevice()->sendSelection(offer);
+
+        auto *surface = xdgSurface()->m_surface;
+        keyboard()->sendEnter(surface); // Need to set keyboard focus according to protocol
+    });
+
+    QTRY_VERIFY(QGuiApplication::clipboard()->mimeData(QClipboard::Clipboard));
+    QTRY_VERIFY(QGuiApplication::clipboard()->mimeData(QClipboard::Clipboard)->hasText());
+
+    QSignalSpy dataChangedSpy(QGuiApplication::clipboard(), &QClipboard::dataChanged);
+
+    exec([&] {
+        auto *surface = xdgSurface()->m_surface;
+        keyboard()->sendLeave(surface);
+    });
+
+    QTRY_COMPARE(dataChangedSpy.count(), 1);
+    QVERIFY(!QGuiApplication::clipboard()->mimeData(QClipboard::Clipboard)->hasText());
+}
+
 // The application should not crash if it attempts to start a drag operation
 // when it doesn't have input focus (QTBUG-76368)
 void tst_datadevicev1::dragWithoutFocus()
diff --git a/tests/auto/client/shared/datadevice.h b/tests/auto/client/shared/datadevice.h
index a96da86f0..98e780b22 100644
--- a/tests/auto/client/shared/datadevice.h
+++ b/tests/auto/client/shared/datadevice.h
@@ -65,7 +65,6 @@ public:
     ~DataDevice() override;
     void send_data_offer(::wl_resource *resource) = delete;
     DataOffer *sendDataOffer(::wl_client *client, const QStringList &mimeTypes = {});
-    DataOffer *sendDataOffer(const QStringList &mimeTypes = {});
 
     void send_selection(::wl_resource *resource) = delete;
     void sendSelection(DataOffer *offer);