QDirListing: extend unit tests

Add the tests for the (move-)constructors and move-assignment.

Pick-to: 6.8
Change-Id: I795a314a0e6d1795006fe152397eb6d9eeb3c712
Reviewed-by: Ahmad Samir <[email protected]>
Reviewed-by: Marc Mutz <[email protected]>

tests/auto/corelib/io/qdirlisting/tst_qdirlisting.cpp

@@ -64,6 +64,7 @@ class tst_QDirListing : public QObject
 
 private slots:
     void initTestCase();
+    void constructorsAndAssignment();
     void iterateRelativeDirectory_data();
     void iterateRelativeDirectory();
     void iterateResource_data();
@@ -182,6 +183,41 @@ void tst_QDirListing::initTestCase()
 #endif
 }
 
+void tst_QDirListing::constructorsAndAssignment()
+{
+    using F = QDirListing::IteratorFlag;
+    const QString path = "entrylist"_L1;
+    const auto flags = QDirListing::IteratorFlags{F::IncludeDotAndDotDot | F::IncludeHidden};
+    const QStringList nameFilters = {"*.cpp"_L1, "*.h"_L1};
+    {
+        const QDirListing dl{path, flags};
+        QCOMPARE_EQ(dl.iteratorPath(), path);
+        QCOMPARE_EQ(dl.iteratorFlags(), flags);
+        QVERIFY(dl.nameFilters().isEmpty());
+    }
+    {
+        const QDirListing dl{path, nameFilters, flags};
+        QCOMPARE_EQ(dl.iteratorPath(), path);
+        QCOMPARE_EQ(dl.iteratorFlags(), flags);
+        QCOMPARE_EQ(dl.nameFilters(), nameFilters);
+    }
+    {
+        QDirListing other{path, nameFilters, flags};
+        QDirListing dl{std::move(other)};
+        QCOMPARE_EQ(dl.iteratorPath(), path);
+        QCOMPARE_EQ(dl.iteratorFlags(), flags);
+        QCOMPARE_EQ(dl.nameFilters(), nameFilters);
+    }
+    {
+        QDirListing dl{"foo"_L1};
+        QDirListing other{path, nameFilters, flags};
+        dl = std::move(other);
+        QCOMPARE_EQ(dl.iteratorPath(), path);
+        QCOMPARE_EQ(dl.iteratorFlags(), flags);
+        QCOMPARE_EQ(dl.nameFilters(), nameFilters);
+    }
+}
+
 void tst_QDirListing::iterateRelativeDirectory_data()
 {
     QTest::addColumn<QString>("dirName"); // relative from current path or abs