diff options
Diffstat (limited to 'tests/auto/gui/image/qimagereader/tst_qimagereader.cpp')
| -rw-r--r-- | tests/auto/gui/image/qimagereader/tst_qimagereader.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/auto/gui/image/qimagereader/tst_qimagereader.cpp b/tests/auto/gui/image/qimagereader/tst_qimagereader.cpp index 1cf01133b2..d17a171728 100644 --- a/tests/auto/gui/image/qimagereader/tst_qimagereader.cpp +++ b/tests/auto/gui/image/qimagereader/tst_qimagereader.cpp @@ -164,6 +164,9 @@ private slots: void preserveTexts_data(); void preserveTexts(); + void devicePixelRatio_data(); + void devicePixelRatio(); + private: QString prefix; QTemporaryDir m_temporaryDir; @@ -1976,6 +1979,28 @@ void tst_QImageReader::preserveTexts() QCOMPARE(r.text(key3), text3.simplified()); } +void tst_QImageReader::devicePixelRatio_data() +{ + QTest::addColumn<QString>("fileName"); + QTest::addColumn<QSize>("size"); + QTest::addColumn<qreal>("dpr"); + + QTest::newRow("1x") << "qticon16.png" << QSize(16, 16) << 1.0; + QTest::newRow("2x") << "qticon16@2x.png" << QSize(32, 32) << 2.0; + QTest::newRow("3x") << "qticon16@3x.png" << QSize(48, 48) << 3.0; +} + +void tst_QImageReader::devicePixelRatio() +{ + QFETCH(QString, fileName); + QFETCH(QSize, size); + QFETCH(qreal, dpr); + + QImageReader r(":/images/" + fileName); + QImage img = r.read(); + QCOMPARE(img.size(), size); + QCOMPARE(img.devicePixelRatio(), dpr); +} QTEST_MAIN(tst_QImageReader) #include "tst_qimagereader.moc" |