qt 6.5.1 original

tests/auto/gui/image/qicoimageformat/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qicoimageformat Test:
+#####################################################################
+
+# Collect test data
+file(GLOB_RECURSE test_data_glob
+    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+    icons/*)
+list(APPEND test_data ${test_data_glob})
+
+qt_internal_add_test(tst_qicoimageformat
+    SOURCES
+        tst_qicoimageformat.cpp
+    LIBRARIES
+        Qt::Gui
+    TESTDATA ${test_data}
+)
+

tests/auto/gui/image/qicoimageformat/tst_qicoimageformat.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include <QTest>
+#include <QtGui>
+#include <QtCore>
+
+class tst_QIcoImageFormat : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void initTestCase();
+    void format();
+    void canRead_data();
+    void canRead();
+    void SequentialFile_data();
+    void SequentialFile();
+    void imageCount_data();
+    void imageCount();
+    void jumpToNextImage_data();
+    void jumpToNextImage();
+    void loopCount_data();
+    void loopCount();
+    void nextImageDelay_data();
+    void nextImageDelay();
+    void pngCompression_data();
+    void pngCompression();
+    void write_data();
+    void write();
+
+private:
+    QString m_IconPath;
+};
+
+void tst_QIcoImageFormat::initTestCase()
+{
+    m_IconPath = QFINDTESTDATA("icons");
+    if (m_IconPath.isEmpty())
+        QFAIL("Cannot find icons directory containing testdata!");
+}
+
+void tst_QIcoImageFormat::format()
+{
+    {
+        QImageReader reader(m_IconPath + "/valid/35FLOPPY.ICO", "ico");
+        QByteArray fmt = reader.format();
+        QCOMPARE(const_cast<const char*>(fmt.data()), "ico" );
+    }
+
+    {
+        QImageReader reader(m_IconPath + "/valid/yellow.cur", "ico");
+        QByteArray fmt = reader.format();
+        QCOMPARE(const_cast<const char*>(fmt.data()), "ico" );
+    }
+}
+
+void tst_QIcoImageFormat::canRead_data()
+{
+    QTest::addColumn<QString>("fileName");
+    QTest::addColumn<int>("isValid");
+
+    QTest::newRow("floppy (16px,32px - 16 colors)") << "valid/35FLOPPY.ICO" << 1;
+    QTest::newRow("16px,32px,48px - 256,16M colors") << "valid/abcardWindow.ico" << 1;
+    QTest::newRow("16px - 16 colors") << "valid/App.ico" << 1;
+    QTest::newRow("16px,32px,48px - 16,256,16M colors") << "valid/Obj_N2_Internal_Mem.ico" << 1;
+    QTest::newRow("16px - 16,256,16M colors") << "valid/Status_Play.ico" << 1;
+    QTest::newRow("16px,32px - 16 colors") << "valid/TIMER01.ICO" << 1;
+    QTest::newRow("16px16c, 32px32c, 32px256c 1") << "valid/WORLD.ico" << 1;
+    QTest::newRow("16px16c, 32px32c, 32px256c 2") << "valid/WORLDH.ico" << 1;
+    QTest::newRow("invalid floppy (first 8 bytes = 0xff)") << "invalid/35floppy.ico" << 0;
+    QTest::newRow("103x16px, 24BPP") << "valid/trolltechlogo_tiny.ico" << 1;
+    QTest::newRow("includes 32BPP w/alpha") << "valid/semitransparent.ico" << 1;
+    QTest::newRow("PNG compression") << "valid/Qt.ico" << 1;
+    QTest::newRow("CUR file") << "valid/yellow.cur" << 1;
+}
+
+void tst_QIcoImageFormat::canRead()
+{
+    QFETCH(QString, fileName);
+    QFETCH(int, isValid);
+
+    QImageReader reader(m_IconPath + QLatin1Char('/') + fileName);
+    QCOMPARE(reader.canRead(), (isValid == 0 ? false : true));
+}
+
+class QSequentialFile : public QFile
+{
+public:
+    QSequentialFile(const QString &name) : QFile(name) {}
+
+    virtual ~QSequentialFile() {}
+
+    virtual bool isSequential() const override
+    {
+        return true;
+    }
+
+};
+
+void tst_QIcoImageFormat::SequentialFile_data()
+{
+    QTest::addColumn<QString>("fileName");
+    QTest::addColumn<int>("isValid");
+
+    QTest::newRow("floppy (16,32 pixels - 16 colors)") << "valid/35FLOPPY.ICO" << 1;
+
+    QTest::newRow("invalid floppy (first 8 bytes = 0xff)") << "invalid/35floppy.ico" << 0;
+
+
+}
+
+void tst_QIcoImageFormat::SequentialFile()
+{
+    QFETCH(QString, fileName);
+    QFETCH(int, isValid);
+
+    QSequentialFile *file = new QSequentialFile(m_IconPath + QLatin1Char('/') + fileName);
+    QVERIFY(file);
+    QVERIFY(file->open(QFile::ReadOnly));
+    QImageReader reader(file);
+
+    // Perform the check twice. If canRead() does not restore the sequential device back to its original state,
+    // it will fail on the second try.
+    QCOMPARE(reader.canRead(), (isValid == 0 ? false : true));
+    QCOMPARE(reader.canRead(), (isValid == 0 ? false : true));
+    file->close();
+}
+
+
+void tst_QIcoImageFormat::imageCount_data()
+{
+    QTest::addColumn<QString>("fileName");
+    QTest::addColumn<int>("count");
+
+    QTest::newRow("floppy (16px,32px - 16 colors)") << "valid/35FLOPPY.ICO" << 2;
+    QTest::newRow("16px,32px,48px - 256,16M colors") << "valid/abcardWindow.ico" << 6;
+    QTest::newRow("16px - 16 colors") << "valid/App.ico" << 1;
+    QTest::newRow("16px,32px,48px - 16,256,16M colors") << "valid/Obj_N2_Internal_Mem.ico" << 9;
+    QTest::newRow("16px - 16,256,16M colors") << "valid/Status_Play.ico" << 3;
+    QTest::newRow("16px,32px - 16 colors") << "valid/TIMER01.ICO" << 2;
+    QTest::newRow("16px16c, 32px32c, 32px256c 1") << "valid/WORLD.ico" << 3;
+    QTest::newRow("16px16c, 32px32c, 32px256c 2") << "valid/WORLDH.ico" << 3;
+    QTest::newRow("invalid floppy (first 8 bytes = 0xff)") << "invalid/35floppy.ico" << -1;
+    QTest::newRow("includes 32BPP w/alpha") << "valid/semitransparent.ico" << 9;
+    QTest::newRow("PNG compression") << "valid/Qt.ico" << 4;
+    QTest::newRow("CUR file") << "valid/yellow.cur" << 1;
+}
+
+void tst_QIcoImageFormat::imageCount()
+{
+    QFETCH(QString, fileName);
+    QFETCH(int, count);
+
+    QImageReader reader(m_IconPath + QLatin1Char('/') + fileName);
+    QCOMPARE(reader.imageCount(), count);
+}
+
+void tst_QIcoImageFormat::jumpToNextImage_data()
+{
+    QTest::addColumn<QString>("fileName");
+    QTest::addColumn<int>("count");
+
+    QTest::newRow("floppy (16px,32px - 16 colors)") << "valid/35FLOPPY.ICO" << 2;
+    QTest::newRow("16px,32px,48px - 256,16M colors") << "valid/abcardWindow.ico" << 6;
+    QTest::newRow("16px - 16 colors") << "valid/App.ico" << 1;
+    QTest::newRow("16px,32px,48px - 16,256,16M colors") << "valid/Obj_N2_Internal_Mem.ico" << 9;
+    QTest::newRow("16px - 16,256,16M colors") << "valid/Status_Play.ico" << 3;
+    QTest::newRow("16px,32px - 16 colors") << "valid/TIMER01.ICO" << 2;
+    QTest::newRow("16px16c, 32px32c, 32px256c 1") << "valid/WORLD.ico" << 3;
+    QTest::newRow("16px16c, 32px32c, 32px256c 2") << "valid/WORLDH.ico" << 3;
+    QTest::newRow("includes 32BPP w/alpha") << "valid/semitransparent.ico" << 9;
+    QTest::newRow("PNG compression") << "valid/Qt.ico" << 4;
+    QTest::newRow("CUR file") << "valid/yellow.cur" << 1;
+}
+
+void tst_QIcoImageFormat::jumpToNextImage()
+{
+    QFETCH(QString, fileName);
+    QFETCH(int, count);
+
+    QImageReader reader(m_IconPath + QLatin1Char('/') + fileName);
+    bool bJumped = reader.jumpToImage(0);
+    while (bJumped) {
+        count--;
+        bJumped = reader.jumpToNextImage();
+    }
+    QCOMPARE(count, 0);
+}
+
+void tst_QIcoImageFormat::loopCount_data()
+{
+    QTest::addColumn<QString>("fileName");
+    QTest::addColumn<int>("count");
+
+    QTest::newRow("floppy (16px,32px - 16 colors)") << "valid/35FLOPPY.ICO" << 0;
+    QTest::newRow("invalid floppy (first 8 bytes = 0xff)") << "invalid/35floppy.ico" << -1;
+}
+
+void tst_QIcoImageFormat::loopCount()
+{
+    QFETCH(QString, fileName);
+    QFETCH(int, count);
+
+    QImageReader reader(m_IconPath + QLatin1Char('/') + fileName);
+    QCOMPARE(reader.loopCount(), count);
+    QCOMPARE(reader.canRead(), count < 0 ? false : true);
+}
+
+void tst_QIcoImageFormat::nextImageDelay_data()
+{
+    QTest::addColumn<QString>("fileName");
+    QTest::addColumn<int>("count");
+
+    QTest::newRow("floppy (16px,32px - 16 colors)") << "valid/35FLOPPY.ICO" << 2;
+    QTest::newRow("16px,32px,48px - 256,16M colors") << "valid/abcardWindow.ico" << 6;
+    QTest::newRow("16px - 16 colors") << "valid/App.ico" << 1;
+    QTest::newRow("16px,32px,48px - 16,256,16M colors") << "valid/Obj_N2_Internal_Mem.ico" << 9;
+    QTest::newRow("16px - 16,256,16M colors") << "valid/Status_Play.ico" << 3;
+    QTest::newRow("16px,32px - 16 colors") << "valid/TIMER01.ICO" << 2;
+    QTest::newRow("16px16c, 32px32c, 32px256c 1") << "valid/WORLD.ico" << 3;
+    QTest::newRow("16px16c, 32px32c, 32px256c 2") << "valid/WORLDH.ico" << 3;
+    QTest::newRow("invalid floppy (first 8 bytes = 0xff)") << "invalid/35floppy.ico" << -1;
+    QTest::newRow("includes 32BPP w/alpha") << "valid/semitransparent.ico" << 9;
+    QTest::newRow("PNG compression") << "valid/Qt.ico" << 4;
+    QTest::newRow("CUR file") << "valid/yellow.cur" << 1;
+}
+
+void tst_QIcoImageFormat::nextImageDelay()
+{
+    QFETCH(QString, fileName);
+    QFETCH(int, count);
+
+    QImageReader reader(m_IconPath + QLatin1Char('/') + fileName);
+    if (count == -1) {
+        QCOMPARE(reader.nextImageDelay(), -1);
+    } else {
+        int i;
+        for (i = 0; i < count; i++) {
+            QVERIFY(reader.jumpToImage(i));
+            QCOMPARE(reader.nextImageDelay(), 0);
+        }
+    }
+}
+
+void tst_QIcoImageFormat::pngCompression_data()
+{
+    QTest::addColumn<QString>("fileName");
+    QTest::addColumn<int>("index");
+    QTest::addColumn<int>("width");
+    QTest::addColumn<int>("height");
+
+    QTest::newRow("PNG compression") << "valid/Qt.ico" << 4 << 256 << 256;
+}
+
+void tst_QIcoImageFormat::pngCompression()
+{
+    QFETCH(QString, fileName);
+    QFETCH(int, index);
+    QFETCH(int, width);
+    QFETCH(int, height);
+
+    QImageReader reader(m_IconPath + QLatin1Char('/') + fileName);
+
+    QImage image;
+    reader.jumpToImage(index);
+
+    QSize size = reader.size();
+    QCOMPARE(size.width(), width);
+    QCOMPARE(size.height(), height);
+
+    reader.read(&image);
+
+    QCOMPARE(image.width(), width);
+    QCOMPARE(image.height(), height);
+}
+
+void tst_QIcoImageFormat::write_data()
+{
+    QTest::addColumn<QSize>("inSize");
+    QTest::addColumn<QSize>("outSize");
+
+    QTest::newRow("64x64") << QSize(64, 64) << QSize(64, 64);
+    QTest::newRow("128x200") << QSize(128, 200) << QSize(128, 200);
+    QTest::newRow("256x256") << QSize(256, 256) << QSize(256, 256);
+    QTest::newRow("400x400") << QSize(400, 400) << QSize(256, 256);
+}
+
+void tst_QIcoImageFormat::write()
+{
+    QFETCH(QSize, inSize);
+    QFETCH(QSize, outSize);
+
+    QImage inImg;
+    {
+        QImageReader reader(m_IconPath + "/valid/Qt.ico");
+        reader.jumpToImage(4);
+        reader.setScaledSize(inSize);
+        inImg = reader.read();
+        QVERIFY(!inImg.isNull());
+        QCOMPARE(inImg.size(), inSize);
+    }
+
+    QBuffer buf;
+    {
+        buf.open(QIODevice::WriteOnly);
+        QImageWriter writer(&buf, "ico");
+        QVERIFY(writer.write(inImg));
+        buf.close();
+    }
+    {
+        buf.open(QIODevice::ReadOnly);
+        QImageReader reader(&buf);
+        QVERIFY(reader.canRead());
+        QCOMPARE(reader.format(), QByteArray("ico"));
+        QImage outImg = reader.read();
+        QVERIFY(!outImg.isNull());
+        QCOMPARE(outImg.size(), outSize);
+        buf.close();
+    }
+}
+
+QTEST_MAIN(tst_QIcoImageFormat)
+#include "tst_qicoimageformat.moc"
+