tests/auto/corelib/text/qstring/tst_qstring_wasm.cpp


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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <QtCore/QString>
#include <QTest>

#include <emscripten/val.h>

void tst_QString_wasmTypes()
{
    const QLatin1StringView testString("test string");
    // QString <-> emscripten::val
    {
        QString qtString = testString;
        const emscripten::val jsString = qtString.toEcmaString();
        QString qtStringCopy(qtString);
        qtString = qtString.toUpper(); // modify
        QCOMPARE(QString::fromEcmaString(jsString), qtStringCopy);
    }
    {
        QString longString;
        for (uint64_t i = 0; i < 1000; ++i)
            longString += testString;
        const emscripten::val jsString = longString.toEcmaString();
        QString qtStringCopy(longString);
        longString = longString.toUpper(); // modify
        QCOMPARE(QString::fromEcmaString(jsString), qtStringCopy);
    }
}