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Details

Type: Bug
Resolution: Done
Priority: P2: Important
Fix Version/s: 5.6.1
Affects Version/s: 5.6.0 Beta
Component/s: WebEngine
Labels:
None

Description

How to reproduce:

load a page successfully
load a page with an unhandled URL scheme
load a page successfully
extract the page's text

"Very often" the text will be the content of the error page for the second, failed, load.

Excerpt from the attachment:

for (;;) {
    QWebEngineView view;
    QSignalSpy spy(&view, SIGNAL(loadFinished(bool)));

    view.load(QUrl("data:text/plain,foobarbaz"));
    QTRY_VERIFY(spy.count());
    QCOMPARE(toPlainTextSync(view), QString("foobarbaz"));

    view.load(QUrl("fail:unknown/scheme"));
    QTRY_VERIFY(spy.count() > 1);
    QString s = toPlainTextSync(view);
    qDebug() << s;
    QVERIFY(!s.contains("foobarbaz"));

    view.load(QUrl("data:text/plain,lalala"));
    QTRY_VERIFY(spy.count() > 2);
    QCOMPARE(toPlainTextSync(view), QString("lalala"));
}

After some iterations the test fails with

FAIL!  : ToPlainTextFailTest::doit() Compared values are not the same
   Actual   (toPlainTextSync(view)): "\nThis webpage is not available\n\nERR_UNKNOWN_URL_SCHEME\nDetails"
   Expected (QString("lalala"))    : "lalala"