From e1147dcb4b187de10c65fb17646988d31429c3f3 Mon Sep 17 00:00:00 2001
From: Olivier Goffart <ogoffart@woboq.com>
Date: Fri, 25 Nov 2011 11:06:57 +0100
Subject: [PATCH] Test QAtomicPointer<const T>

Commit f4b6628083bf98ffa9169d8a8b890d84b6046867 fixed it on windows.
Now test it work within QAtomicPtr

Change-Id: Ibf5c31a133d6d544a78ce626fac9085b73c97fd5
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 .../qatomicpointer/tst_qatomicpointer.cpp     | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/tests/auto/corelib/thread/qatomicpointer/tst_qatomicpointer.cpp b/tests/auto/corelib/thread/qatomicpointer/tst_qatomicpointer.cpp
index 377cdd5544..5141bda4c2 100644
--- a/tests/auto/corelib/thread/qatomicpointer/tst_qatomicpointer.cpp
+++ b/tests/auto/corelib/thread/qatomicpointer/tst_qatomicpointer.cpp
@@ -74,6 +74,7 @@ private slots:
     void fetchAndAdd_data();
     void fetchAndAdd();
 
+    void constAndVolatile();
 private:
     static void warningFreeHelper();
 };
@@ -657,5 +658,56 @@ void tst_QAtomicPointer::fetchAndAdd()
     }
 }
 
+template <typename T> void constAndVolatile_helper()
+{
+    T *one = 0;
+    T *two = &one;
+    T *three = &two;
+
+    {
+        QAtomicPointer<T> atomic1 = one;
+        QAtomicPointer<T> atomic2 = two;
+        QAtomicPointer<T> atomic3 = three;
+
+        QVERIFY(atomic1.load() == one);
+        QVERIFY(atomic2.load() == two);
+        QVERIFY(atomic3.load() == three);
+
+        QVERIFY(atomic1.fetchAndStoreRelaxed(two) == one);
+        QVERIFY(atomic2.fetchAndStoreRelaxed(three) == two);
+        QVERIFY(atomic3.fetchAndStoreRelaxed(one) == three);
+
+        QVERIFY(atomic1.load() == two);
+        QVERIFY(atomic2.load() == three);
+        QVERIFY(atomic3.load() == one);
+    }
+    {
+        QAtomicPointer<T> atomic1 = one;
+        QAtomicPointer<T> atomic2 = two;
+        QAtomicPointer<T> atomic3 = three;
+
+        QVERIFY(atomic1.load() == one);
+        QVERIFY(atomic2.load() == two);
+        QVERIFY(atomic3.load() == three);
+
+        QVERIFY(atomic1.testAndSetRelaxed(one, two));
+        QVERIFY(atomic2.testAndSetRelaxed(two, three));
+        QVERIFY(atomic3.testAndSetRelaxed(three, one));
+
+        QVERIFY(atomic1.load() == two);
+        QVERIFY(atomic2.load() == three);
+        QVERIFY(atomic3.load() == one);
+    }
+
+}
+
+void tst_QAtomicPointer::constAndVolatile()
+{
+    constAndVolatile_helper<void>();
+    constAndVolatile_helper<const void>();
+    constAndVolatile_helper<volatile void>();
+    constAndVolatile_helper<const volatile void>();
+}
+
 QTEST_APPLESS_MAIN(tst_QAtomicPointer)
 #include "tst_qatomicpointer.moc"