diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/auto/quick/qquickstates/data/noStateOsciallation.qml | 22 | ||||
-rw-r--r-- | tests/auto/quick/qquickstates/tst_qquickstates.cpp | 15 |
2 files changed, 37 insertions, 0 deletions
diff --git a/tests/auto/quick/qquickstates/data/noStateOsciallation.qml b/tests/auto/quick/qquickstates/data/noStateOsciallation.qml new file mode 100644 index 0000000000..f0d7aeeb6d --- /dev/null +++ b/tests/auto/quick/qquickstates/data/noStateOsciallation.qml @@ -0,0 +1,22 @@ +import QtQuick 2.15 + +Item { + id: root + property int number: 2 + property int stateChangeCounter: 0 + + Item { + id: item + onStateChanged: ++stateChangeCounter + states: [ + State { + name: "n1" + when: root.number === 1 + }, + State { + name: "n2" + when: root.number === 2 + } + ] + } +} diff --git a/tests/auto/quick/qquickstates/tst_qquickstates.cpp b/tests/auto/quick/qquickstates/tst_qquickstates.cpp index 176a377ed4..2397cf4f06 100644 --- a/tests/auto/quick/qquickstates/tst_qquickstates.cpp +++ b/tests/auto/quick/qquickstates/tst_qquickstates.cpp @@ -199,6 +199,7 @@ private slots: void revertListMemoryLeak(); void duplicateStateName(); void trivialWhen(); + void noStateOsciallation(); void parentChangeCorrectReversal(); void revertNullObjectBinding(); void bindableProperties(); @@ -1715,6 +1716,20 @@ void tst_qquickstates::trivialWhen() QVERIFY(root); } +void tst_qquickstates::noStateOsciallation() +{ + QQmlEngine engine; + QQmlComponent component(&engine, testFileUrl("noStateOsciallation.qml")); + QScopedPointer<QObject> root {component.create()}; + QVERIFY(root); + // set to 1 on initial transition from "" to "n2" + QCOMPARE(root->property("stateChangeCounter").toInt(), 1); + root->setProperty("number", 1); + // setting number to 1 changes directly from "n2" to "n1" + // without any intermediate transition to "" + QCOMPARE(root->property("stateChangeCounter").toInt(), 2); +} + void tst_qquickstates::parentChangeCorrectReversal() { QQmlEngine engine; |