QPalette: fix function swap and move operator

Additional data should also be taken into account when using move
operator and function swap. This is already implemented for move
constructor.

Task-number: QTBUG-78544
Change-Id: I24ba34b0957a8fba7e15a934f2d08222dc95650f
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

1 files changed, 19 insertions, 7 deletions

diff --git a/tests/auto/gui/kernel/qpalette/tst_qpalette.cpp b/tests/auto/gui/kernel/qpalette/tst_qpalette.cpp
index a4764a47c0..04343727bb 100644
--- a/tests/auto/gui/kernel/qpalette/tst_qpalette.cpp
+++ b/tests/auto/gui/kernel/qpalette/tst_qpalette.cpp
@@ -124,23 +124,35 @@ void tst_QPalette::resolve()
     QVERIFY(p2ResolvedTo1 != p2);
 }
 
+
+static void compareAllPaletteData(const QPalette &firstPalette, const QPalette &secondPalette)
+{
+    QCOMPARE(firstPalette, secondPalette);
+
+    // For historical reasons, operator== compares only brushes, but it's not enough for proper
+    // comparison after move/copy, because some additional data can also be moved/copied.
+    // Let's compare this data here.
+    QCOMPARE(firstPalette.resolve(), secondPalette.resolve());
+    QCOMPARE(firstPalette.currentColorGroup(), secondPalette.currentColorGroup());
+}
+
 void tst_QPalette::copySemantics()
 {
     QPalette src(Qt::red), dst;
     const QPalette control = src; // copy construction
     QVERIFY(src != dst);
     QVERIFY(!src.isCopyOf(dst));
-    QCOMPARE(src, control);
+    compareAllPaletteData(src, control);
     QVERIFY(src.isCopyOf(control));
     dst = src; // copy assignment
-    QCOMPARE(dst, src);
-    QCOMPARE(dst, control);
+    compareAllPaletteData(dst, src);
+    compareAllPaletteData(dst, control);
     QVERIFY(dst.isCopyOf(src));
 
     dst = QPalette(Qt::green);
     QVERIFY(dst != src);
     QVERIFY(dst != control);
-    QCOMPARE(src, control);
+    compareAllPaletteData(src, control);
     QVERIFY(!dst.isCopyOf(src));
     QVERIFY(src.isCopyOf(control));
 }
@@ -150,13 +162,13 @@ void tst_QPalette::moveSemantics()
     QPalette src(Qt::red), dst;
     const QPalette control = src;
     QVERIFY(src != dst);
-    QCOMPARE(src, control);
+    compareAllPaletteData(src, control);
     QVERIFY(!dst.isCopyOf(src));
     QVERIFY(!dst.isCopyOf(control));
     dst = std::move(src); // move assignment
     QVERIFY(!dst.isCopyOf(src)); // isCopyOf() works on moved-from palettes, too
     QVERIFY(dst.isCopyOf(control));
-    QCOMPARE(dst, control);
+    compareAllPaletteData(dst, control);
     src = control; // check moved-from 'src' can still be assigned to (doesn't crash)
     QVERIFY(src.isCopyOf(dst));
     QVERIFY(src.isCopyOf(control));
@@ -164,7 +176,7 @@ void tst_QPalette::moveSemantics()
     QVERIFY(!src.isCopyOf(dst));
     QVERIFY(!src.isCopyOf(dst2));
     QVERIFY(!src.isCopyOf(control));
-    QCOMPARE(dst2, control);
+    compareAllPaletteData(dst2, control);
     QVERIFY(dst2.isCopyOf(dst));
     QVERIFY(dst2.isCopyOf(control));
     // check moved-from 'src' can still be destroyed (doesn't crash)