diff options
author | Wieland Hagen <wieland.hagen@kdab.com> | 2016-12-28 19:56:38 +0700 |
---|---|---|
committer | Paul Lemire <paul.lemire@kdab.com> | 2017-02-02 07:31:06 +0000 |
commit | f471bf3ac9ecf9d8149dd8916d057a31af51255f (patch) | |
tree | 2e051625616b6e8b276b0cac5df06543d5d2c4a2 /tests/auto/core/qscene/tst_qscene.cpp | |
parent | f1c21aaae49d0a356ecfab268994381932b6d327 (diff) |
Fix node de-registration from scene on deletion/reparenting
QNodePrivate::unsetSceneHelper() used to be broken, in that it set
the m_scene of the the item that the NodeVisitor functor was executed on.
Subsequent calls for child nodes would then have a m_scene == nullptr,
and could thus not be de-registered.
This patch fixes this behavior by treating each node's m_scene separately
Task-number: QTBUG-57571
Change-Id: I779caadd6957a97514fd105cd16935c3edc9f41f
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
Diffstat (limited to 'tests/auto/core/qscene/tst_qscene.cpp')
-rw-r--r-- | tests/auto/core/qscene/tst_qscene.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/auto/core/qscene/tst_qscene.cpp b/tests/auto/core/qscene/tst_qscene.cpp index eabcc96fb..561a67765 100644 --- a/tests/auto/core/qscene/tst_qscene.cpp +++ b/tests/auto/core/qscene/tst_qscene.cpp @@ -48,6 +48,7 @@ private slots: void removeObservable(); void removeNodeObservable(); void addChildNode(); + void deleteChildNode(); void removeChildNode(); void addEntityForComponent(); void removeEntityForComponent(); @@ -280,6 +281,69 @@ void tst_QScene::addChildNode() } } +void tst_QScene::deleteChildNode() +{ + // GIVEN + Qt3DCore::QScene *scene = new Qt3DCore::QScene; + + QList<Qt3DCore::QNode *> nodes1, nodes2; + + Qt3DCore::QNode *root1 = new tst_Node(); + Qt3DCore::QNode *root2 = new tst_Node(); + Qt3DCore::QNodePrivate::get(root1)->setScene(scene); + Qt3DCore::QNodePrivate::get(root2)->setScene(scene); + + // WHEN + scene->addObservable(root1); + scene->addObservable(root2); + // THEN + QVERIFY(scene->lookupNode(root1->id()) == root1); + QVERIFY(scene->lookupNode(root2->id()) == root2); + + // WHEN + for (int i = 0; i < 10; i++) { + Qt3DCore::QNode *child1 = new tst_Node(); + child1->setParent(nodes1.isEmpty() ? root1 : nodes1.last()); + nodes1.append(child1); + + Qt3DCore::QNode *child2 = new tst_Node(); + child2->setParent(nodes2.isEmpty() ? root2 : nodes2.last()); + nodes2.append(child2); + } + QCoreApplication::processEvents(); + + // THEN + for (Qt3DCore::QNode *n : qAsConst(nodes1)) { + QVERIFY(scene->lookupNode(n->id()) == n); + } + for (Qt3DCore::QNode *n : qAsConst(nodes2)) { + QVERIFY(scene->lookupNode(n->id()) == n); + } + + // gather node IDs + Qt3DCore::QNodeIdVector root1ChildIds; + for (Qt3DCore::QNode *n : qAsConst(nodes1)) + root1ChildIds << n->id(); + + // WHEN + delete root1; + QCoreApplication::processEvents(); + + // THEN + for (Qt3DCore::QNodeId id : qAsConst(root1ChildIds)) { + QVERIFY(scene->lookupNode(id) == nullptr); + } + + // WHEN + nodes2.first()->setParent(static_cast<Qt3DCore::QNode*>(nullptr)); + QCoreApplication::processEvents(); + + // THEN + for (Qt3DCore::QNode *n : qAsConst(nodes2)) { + QVERIFY(scene->lookupNode(n->id()) == nullptr); + } +} + void tst_QScene::removeChildNode() { // GIVEN |