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-rw-r--r--tests/auto/corelib/tools/qscopedpointer/tst_qscopedpointer.cpp155
1 files changed, 155 insertions, 0 deletions
diff --git a/tests/auto/corelib/tools/qscopedpointer/tst_qscopedpointer.cpp b/tests/auto/corelib/tools/qscopedpointer/tst_qscopedpointer.cpp
index 66ea3e940c..cb0382eb66 100644
--- a/tests/auto/corelib/tools/qscopedpointer/tst_qscopedpointer.cpp
+++ b/tests/auto/corelib/tools/qscopedpointer/tst_qscopedpointer.cpp
@@ -42,6 +42,8 @@
#include <QtTest/QtTest>
#include <QtCore/QScopedPointer>
+#include <utility>
+
/*!
\class tst_QScopedPointer
\internal
@@ -73,6 +75,7 @@ private Q_SLOTS:
void objectSize();
void comparison();
void array();
+ void move();
// TODO instanciate on const object
};
@@ -458,6 +461,158 @@ void tst_QScopedPointer::array()
QCOMPARE(instCount, RefCounted::instanceCount.load());
}
+#ifdef Q_COMPILER_RVALUE_REFS
+struct CountedInteger
+{
+ CountedInteger(int i) : i(i)
+ {
+ ++instanceCount;
+ }
+ ~CountedInteger()
+ {
+ --instanceCount;
+ }
+ CountedInteger(const CountedInteger &c)
+ : i(c.i)
+ {
+ ++instanceCount;
+ }
+
+ static int instanceCount;
+ int i;
+};
+
+int CountedInteger::instanceCount = 0;
+
+QScopedPointer<CountedInteger> returnScopedPointer(int i)
+{
+ return QScopedPointer<CountedInteger>(new CountedInteger(i));
+}
+#endif
+
+void tst_QScopedPointer::move()
+{
+#ifndef Q_COMPILER_RVALUE_REFS
+ QSKIP("This test requires rvalues refs");
+#else
+ QCOMPARE(CountedInteger::instanceCount, 0);
+
+ {
+ QScopedPointer<CountedInteger> p = returnScopedPointer(42);
+ QVERIFY(!p.isNull());
+ QCOMPARE(p->i, 42);
+ QCOMPARE(CountedInteger::instanceCount, 1);
+
+ QScopedPointer<CountedInteger> q = returnScopedPointer(51);
+ QVERIFY(!q.isNull());
+ QCOMPARE(q->i, 51);
+ QCOMPARE(CountedInteger::instanceCount, 2);
+
+ q = returnScopedPointer(123);
+ QVERIFY(!q.isNull());
+ QCOMPARE(q->i, 123);
+ QCOMPARE(CountedInteger::instanceCount, 2);
+
+ p = std::move(q);
+ QVERIFY(!p.isNull());
+ QCOMPARE(p->i, 123);
+ QVERIFY(q.isNull());
+ QCOMPARE(CountedInteger::instanceCount, 1);
+
+ p = std::move(q);
+ QVERIFY(p.isNull());
+ QVERIFY(q.isNull());
+ QCOMPARE(CountedInteger::instanceCount, 0);
+ }
+
+ QCOMPARE(CountedInteger::instanceCount, 0);
+
+ {
+ QScopedPointer<CountedInteger> p = returnScopedPointer(1024);
+ QVERIFY(!p.isNull());
+ QCOMPARE(p->i, 1024);
+ QCOMPARE(CountedInteger::instanceCount, 1);
+
+ p.reset();
+ QVERIFY(p.isNull());
+ QCOMPARE(CountedInteger::instanceCount, 0);
+
+ p = returnScopedPointer(1024);
+ const CountedInteger * const rawPtr = p.data();
+ p = std::move(p);
+ // now p is in a "valid, but unspecified state". so the test must not crash.
+ // we do actually know that this move should've been a noop.
+ QVERIFY(!p.isNull());
+ QCOMPARE(p.data(), rawPtr);
+ QCOMPARE(p->i, 1024);
+ QCOMPARE(CountedInteger::instanceCount, 1);
+
+ p.reset();
+ QVERIFY(p.isNull());
+ QCOMPARE(CountedInteger::instanceCount, 0);
+ }
+
+ QCOMPARE(CountedInteger::instanceCount, 0);
+
+ {
+ QScopedPointer<CountedInteger> p = returnScopedPointer(-1);
+ QVERIFY(!p.isNull());
+ QCOMPARE(p->i, -1);
+ QCOMPARE(CountedInteger::instanceCount, 1);
+ }
+
+ QCOMPARE(CountedInteger::instanceCount, 0);
+
+ {
+ QScopedPointer<CountedInteger> p = returnScopedPointer(0);
+ QVERIFY(!p.isNull());
+ QCOMPARE(p->i, 0);
+ QCOMPARE(CountedInteger::instanceCount, 1);
+
+ QScopedPointer<CountedInteger> q;
+ QVERIFY(q.isNull());
+
+ p = std::move(q);
+ QVERIFY(p.isNull());
+ QVERIFY(q.isNull());
+ QCOMPARE(CountedInteger::instanceCount, 0);
+ }
+
+ QCOMPARE(CountedInteger::instanceCount, 0);
+
+ {
+ QScopedPointer<CountedInteger> p;
+ QVERIFY(p.isNull());
+ QCOMPARE(CountedInteger::instanceCount, 0);
+
+ QScopedPointer<CountedInteger> q = returnScopedPointer(123);
+ QVERIFY(!q.isNull());
+ QCOMPARE(q->i, 123);
+ QCOMPARE(CountedInteger::instanceCount, 1);
+
+ p = std::move(q);
+ QVERIFY(!p.isNull());
+ QCOMPARE(p->i, 123);
+ QVERIFY(q.isNull());
+ QCOMPARE(CountedInteger::instanceCount, 1);
+ }
+
+ QCOMPARE(CountedInteger::instanceCount, 0);
+
+ {
+ QScopedPointer<CountedInteger> p;
+ QVERIFY(p.isNull());
+ QCOMPARE(CountedInteger::instanceCount, 0);
+
+ p = returnScopedPointer(2001);
+ QVERIFY(!p.isNull());
+ QCOMPARE(p->i, 2001);
+ QCOMPARE(CountedInteger::instanceCount, 1);
+ }
+
+ QCOMPARE(CountedInteger::instanceCount, 0);
+#endif
+}
QTEST_MAIN(tst_QScopedPointer)
#include "tst_qscopedpointer.moc"