Details
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Bug
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Resolution: Out of scope
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Not Evaluated
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None
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6.4.3
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None
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Linux/X11
Description
The constructor of QJsonArray sometimes behaves very strangely. For example
#include <QJsonArray> #include <QJsonDocument> class Test { public: Test(QJsonDocument jsonDocument_) : jsonArray{jsonDocument_.array()} { qDebug() << "jsonArray size = " << jsonArray.count(); } private: QJsonArray jsonArray; }; int main(int argc, char *argv[]) { QByteArray data = "[{}, {}]"; QJsonDocument document = QJsonDocument::fromJson(data); qDebug() << "jsonArray size = " << document.array().count(); Test test(document); }
This program prints
jsonArray size = 2 jsonArray size = 1
And if I changed it slightly to:
#include <QJsonArray> #include <QJsonDocument> class Test { public: Test(QJsonDocument jsonDocument_) { jsonArray = jsonDocument_.array(); qDebug() << "jsonArray size = " << jsonArray.count(); } private: QJsonArray jsonArray; }; int main(int argc, char *argv[]) { QByteArray data = "[{}, {}]"; QJsonDocument document = QJsonDocument::fromJson(data); qDebug() << "jsonArray size = " << document.array().count(); Test test(document); }
It works as expected.