kdenlive/tests/titlertest.cpp

0001 /*
0002     SPDX-FileCopyrightText: 2022 Eric Jiang
0003     SPDX-FileCopyrightText: 2022 Jean-Baptiste Mardelle <jb@kdenlive.org>
0004     SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0005 */
0006 #include "test_utils.hpp"
0007 // test specific headers
0008 #include "titler/graphicsscenerectmove.h"
0009
0010 TEST_CASE("Title text left alignment", "[Titler]")
0011 {
0012     QScopedPointer<MyTextItem> txt(new MyTextItem("Hello, world!", nullptr));
0013     txt->setAlignment(Qt::AlignLeft);
0014     QRectF origBB = txt->boundingRect();
0015     qreal origX = txt->x();
0016     txt->document()->setPlainText("Hello, longer string!");
0017     QRectF newBB = txt->boundingRect();
0018     qreal newX = txt->x();
0019
0020     // make sure the left and right edges of the title are still aligned properly
0021     CHECK(newBB.width() > 0);
0022     CHECK(origBB.topRight().x() < newBB.topRight().x());
0023     CHECK(newX == Approx(origX));
0024 }
0025
0026 TEST_CASE("Title text right alignment", "[Titler]")
0027 {
0028     QScopedPointer<MyTextItem> txt(new MyTextItem("Hello, world!", nullptr));
0029     txt->setAlignment(Qt::AlignRight);
0030     QRectF origBB = txt->boundingRect();
0031     // origX is the left edge of the txt object
0032     qreal origX = txt->x();
0033     // origRightX is the right edge of the txt object
0034     qreal origRightX = origBB.width() + origX;
0035     txt->document()->setPlainText("Hello, longer string!");
0036     QRectF newBB = txt->boundingRect();
0037     qreal newX = txt->x();
0038     qreal newRightX = newBB.width() + newX;
0039
0040     CHECK(newBB.width() > 0);
0041     CHECK(origRightX == Approx(newRightX));
0042     CHECK(origX > newX);
0043 }
0044
0045 TEST_CASE("Title text center alignment", "[Titler]")
0046 {
0047     QScopedPointer<MyTextItem> txt(new MyTextItem("short", nullptr));
0048     txt->setAlignment(Qt::AlignHCenter);
0049     QRectF origBB = txt->boundingRect();
0050     qreal origX = txt->x();
0051     qreal origRightX = origBB.width() + origX;
0052     qreal origCenter = (origX + origRightX) / 2;
0053     txt->document()->setPlainText("longer string");
0054     QRectF newBB = txt->boundingRect();
0055     qreal newX = txt->x();
0056     qreal newRightX = newBB.width() + newX;
0057     qreal newCenter = (newX + newRightX) / 2;
0058
0059     CHECK(origCenter == Approx(newCenter));
0060     CHECK(newRightX > origRightX);
0061     CHECK(newX < origX);
0062 }