TaskTree: Fix destruction of running task tree

Delete all storages that were created before.

Change-Id: I8cbeb571424086b77fa7b19611c5b3f6cc1f4db1
Reviewed-by: hjk <hjk@qt.io>

2 files changed, 41 insertions, 0 deletions

diff --git a/tests/auto/utils/tasktree/testapp/main.cpp b/tests/auto/utils/tasktree/testapp/main.cpp
index dc308cca292..218ff783a4d 100644
--- a/tests/auto/utils/tasktree/testapp/main.cpp
+++ b/tests/auto/utils/tasktree/testapp/main.cpp
@@ -2,7 +2,9 @@
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
 
 #include <app/app_version.h>
+
 #include <QString>
+#include <QThread>
 
 #ifdef Q_OS_WIN
 #include <crtdbg.h>
@@ -11,6 +13,7 @@
 
 const char CRASH_OPTION[] = "-crash";
 const char RETURN_OPTION[] = "-return";
+const char SLEEP_OPTION[] = "-sleep";
 
 int main(int argc, char **argv)
 {
@@ -39,6 +42,21 @@ int main(int argc, char **argv)
             // lacking return value
             return 1;
         }
+        if (arg == SLEEP_OPTION) {
+            if (argc > 2) {
+                const auto secondsString = QString::fromLocal8Bit(argv[2]);
+                bool ok = false;
+                const int secondsVal = secondsString.toInt(&ok);
+                if (ok) {
+                    QThread::sleep(secondsVal);
+                    return 0;
+                }
+                // not an int return value
+                return 1;
+            }
+            // lacking return value
+            return 1;
+        }
     }
     // not recognized option
     return 1;
diff --git a/tests/auto/utils/tasktree/tst_tasktree.cpp b/tests/auto/utils/tasktree/tst_tasktree.cpp
index 5d467f7cdef..9d98e0532a1 100644
--- a/tests/auto/utils/tasktree/tst_tasktree.cpp
+++ b/tests/auto/utils/tasktree/tst_tasktree.cpp
@@ -38,6 +38,7 @@ private slots:
     void processTree();
     void storage_data();
     void storage();
+    void storageDestructor();
 
     void cleanupTestCase();
 
@@ -631,6 +632,28 @@ void tst_TaskTree::storage()
     QCOMPARE(errorCount, expectedErrorCount);
 }
 
+void tst_TaskTree::storageDestructor()
+{
+    using namespace Tasking;
+
+    QCOMPARE(CustomStorage::instanceCount(), 0);
+    {
+        const auto setupProcess = [this](QtcProcess &process) {
+            process.setCommand(CommandLine(m_testAppPath, {"-sleep", "1"}));
+        };
+        const Group root {
+            Storage(TreeStorage<CustomStorage>()),
+            Process(setupProcess)
+        };
+
+        TaskTree processTree(root);
+        QCOMPARE(CustomStorage::instanceCount(), 0);
+        processTree.start();
+        QCOMPARE(CustomStorage::instanceCount(), 1);
+    }
+    QCOMPARE(CustomStorage::instanceCount(), 0);
+}
+
 QTEST_GUILESS_MAIN(tst_TaskTree)
 
 #include "tst_tasktree.moc"