tst_qdataurl.cpp - mozsearch

// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include "private/qdataurl_p.h"

#include <QTest>

#include <QtCore/QDebug>

using namespace Qt::Literals;

class tst_QDataUrl : public QObject

    Q_OBJECT

private slots:

    void decode_data();

    void decode();

};

void tst_QDataUrl::decode_data()

    QTest::addColumn<QString>("input");

    QTest::addColumn<bool>("result");

    QTest::addColumn<QString>("mimeType");

    QTest::addColumn<QByteArray>("payload");

    auto row = [](const char *tag, const char *url, bool success, QString mimeType = {}, QByteArray payload = {}) {

        QTest::newRow(tag) << url << success <<mimeType << payload;

};

    row("nonData", "http://test.com", false);

    row("malformed-host", "data://test.com", false);

    row("malformed-host2", "data://text/plain;charset=ISO-8859-1", false);

    row("malformed-host3", "data://test.com/,", false);

    row("malformed-no-comma", "data:text/plain", false);

    constexpr auto defaultMimeType = "text/plain;charset=US-ASCII"_L1;

    row("emptyData-default-mimetype", "data:,", true,

        "text/plain;charset=US-ASCII"_L1, "");

    row("emptyData-only-charset", "data:charset=ISO-8859-1,", true,

        "text/plain;charset=ISO-8859-1"_L1, "");

    row("alreadyPercentageEncoded", "data:text/plain,%E2%88%9A", true,

        "text/plain"_L1, QByteArray::fromPercentEncoding("%E2%88%9A"));

    row("everythingIsCaseInsensitive", "Data:texT/PlaiN;charSet=iSo-8859-1;Base64,SGVsbG8=", true,

        "texT/PlaiN;charSet=iSo-8859-1"_L1, QByteArrayLiteral("Hello"));

    row("spacesAroundCharset", "data:%20charset%20%20=%20UTF-8,Hello", true,

        "text/plain;charset  = UTF-8"_L1, QByteArrayLiteral("Hello"));

    row("prematureCharsetEnd", "data:charset,", true,

        "text/plain;charset"_L1, ""); // nonsense result, but don't crash

    row("prematureCharsetEnd-no-encoding", "data:charset=,", true,

        "text/plain;charset="_L1, ""); // nonsense result, but don't crash

    row("charset-value-as-quoted-string", "data:charset=%22UTF-8%22,Hello", true,

        "text/plain;charset=\"UTF-8\""_L1, "Hello"_ba);

    row("extraparameter-before-charset", "data:;extraparameter=foo;charset=ISO-8859-1,Hello", true,

        "text/plain;charset=ISO-8859-1", "Hello");

    row("extraparameter-after-charset", "data:charset=ISO-8859-1;extraparameter=foo,Hello", true,

        "text/plain;charset=ISO-8859-1", "Hello");

    row("content-type-parsing-slash-in-mimetype",

        "data:charset=UTF-8;alternate=\"application/octet-stream\";bar=baz,", true,

        "text/plain;charset=UTF-8", "");

    row("not-real-charset", "data:incharsetter=true,", true, defaultMimeType, "");

    row("percent-encoded-comma-in-parameter-value",

        "data:;charset=%22UTF-8%22;x-bar=\"a%2Cb%2Cc\",Hello%2C%20world", true,

        "text/plain;charset=\"UTF-8\""_L1, "Hello, world");

    QString path = QFINDTESTDATA("arrow-down-16.png");

    QFile img(path);

    QVERIFY(img.open(QFile::ReadOnly));

    QByteArray imageData = img.readAll();

    QByteArray base64 = imageData.toBase64();

    row("image-png", "data:image/png;base64," + base64, true,

        "image/png", imageData);

void tst_QDataUrl::decode()

    QFETCH(const QString, input);

    QFETCH(const bool, result);

    QFETCH(const QString, mimeType);

    QFETCH(const QByteArray, payload);

    QString actualMimeType;

    QByteArray actualPayload;

    QUrl url(input);

    const bool actualResult = qDecodeDataUrl(url, actualMimeType, actualPayload);

    QCOMPARE(actualResult, result);

    QCOMPARE(actualMimeType, mimeType);

    QCOMPARE(actualPayload, payload);

    QCOMPARE(actualPayload.isNull(), payload.isNull()); // assume nullness is significant

QTEST_MAIN(tst_QDataUrl)

#include "tst_qdataurl.moc"