1 files changed, 27 insertions, 0 deletions
diff --git a/tests/auto/corelib/tools/qset/tst_qset.cpp b/tests/auto/corelib/tools/qset/tst_qset.cpp
index f13d69514a..ef0ebabd66 100644
--- a/tests/auto/corelib/tools/qset/tst_qset.cpp
+++ b/tests/auto/corelib/tools/qset/tst_qset.cpp
@@ -73,6 +73,7 @@ private slots:
     void makeSureTheComfortFunctionsCompile();
     void initializerList();
     void qhash();
+    void intersects();
 };
 
 struct IdentityTracker {
@@ -1030,6 +1031,32 @@ void tst_QSet::qhash()
     }
 }
 
+void tst_QSet::intersects()
+{
+    QSet<int> s1;
+    QSet<int> s2;
+
+    QVERIFY(!s1.intersects(s1));
+    QVERIFY(!s1.intersects(s2));
+
+    s1 << 100;
+    QVERIFY(s1.intersects(s1));
+    QVERIFY(!s1.intersects(s2));
+
+    s2 << 200;
+    QVERIFY(!s1.intersects(s2));
+
+    s1 << 200;
+    QVERIFY(s1.intersects(s2));
+
+    const QtQHashSeedSaver seedSaver(0x10101010);
+    QSet<int> s3;
+    s3 << 500;
+    QVERIFY(!s1.intersects(s3));
+    s3 << 200;
+    QVERIFY(s1.intersects(s3));
+}
+
 QTEST_APPLESS_MAIN(tst_QSet)
 
 #include "tst_qset.moc"