QGraphicsAnchorLayout: Adding auto-tests

Signed-off-by: Anselmo Lacerda S. de Melo <anselmo.melo@openbossa.org>
Signed-off-by: Caio Marcelo de Oliveira Filho <caio.oliveira@openbossa.org>
Signed-off-by: Eduardo M. Fleury <eduardo.fleury@openbossa.org>
Signed-off-by: Jesus Sanchez-Palencia <jesus.palencia@openbossa.org>

2 files changed, 354 insertions, 0 deletions

diff --git a/tests/auto/qgraphicsanchorlayout/qgraphicsanchorlayout.pro b/tests/auto/qgraphicsanchorlayout/qgraphicsanchorlayout.pro
new file mode 100644
index 0000000000..4c065f4b6d
--- /dev/null
+++ b/tests/auto/qgraphicsanchorlayout/qgraphicsanchorlayout.pro
@@ -0,0 +1,3 @@
+load(qttest_p4)
+SOURCES  += tst_qgraphicsanchorlayout.cpp
+
diff --git a/tests/auto/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp b/tests/auto/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp
new file mode 100644
index 0000000000..de6caac501
--- /dev/null
+++ b/tests/auto/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp
@@ -0,0 +1,351 @@
+#include <QtTest/QtTest>
+#include <qgraphicsanchorlayout.h>
+#include <qgraphicswidget.h>
+#include <qgraphicsproxywidget.h>
+
+class tst_QGraphicsAnchorLayout : public QObject {
+    Q_OBJECT;
+
+private slots:
+    void simple();
+    void diagonal();
+    void parallel();
+    void snake();
+    void fairDistribution();
+};
+
+static QGraphicsWidget *createItem(const QSizeF &minimum = QSizeF(100.0, 100.0),
+                                   const QSizeF &preferred = QSize(150.0, 100.0),
+                                   const QSizeF &maximum = QSizeF(200.0, 100.0))
+{
+    QGraphicsWidget *w = new QGraphicsWidget;
+    w->setMinimumSize(minimum);
+    w->setPreferredSize(preferred);
+    w->setMaximumSize(maximum);
+    return w;
+}
+
+void tst_QGraphicsAnchorLayout::simple()
+{
+    QGraphicsWidget *w1 = createItem();
+    QGraphicsWidget *w2 = createItem();
+
+    QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
+    l->setContentsMargins(0, 0, 0, 0);
+    l->anchor(w1, QGraphicsAnchorLayout::Right, w2, QGraphicsAnchorLayout::Left);
+
+    QGraphicsWidget p;
+    p.setLayout(l);
+
+    QCOMPARE(l->count(), 2);
+}
+
+void tst_QGraphicsAnchorLayout::diagonal()
+{
+    QSizeF min(10, 100);
+    QSizeF pref(70, 100);
+    QSizeF max(100, 100);
+
+    QGraphicsWidget *a = createItem(min, pref, max);
+    QGraphicsWidget *b = createItem(min, pref, max);
+    QGraphicsWidget *c = createItem(min, pref, max);
+    QGraphicsWidget *d = createItem(min, pref, max);
+    QGraphicsWidget *e = createItem(min, pref, max);
+
+    QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
+    l->setContentsMargins(0, 0, 0, 0);
+
+    // vertical
+    l->anchor(a, QGraphicsAnchorLayout::Top, l, QGraphicsAnchorLayout::Top);
+    l->anchor(b, QGraphicsAnchorLayout::Top, l, QGraphicsAnchorLayout::Top);
+
+    l->anchor(c, QGraphicsAnchorLayout::Top, a, QGraphicsAnchorLayout::Bottom);
+    l->anchor(c, QGraphicsAnchorLayout::Top, b, QGraphicsAnchorLayout::Bottom);
+    l->anchor(c, QGraphicsAnchorLayout::Bottom, d, QGraphicsAnchorLayout::Top);
+    l->anchor(c, QGraphicsAnchorLayout::Bottom, e, QGraphicsAnchorLayout::Top);
+
+    l->anchor(d, QGraphicsAnchorLayout::Bottom, l, QGraphicsAnchorLayout::Bottom);
+    l->anchor(e, QGraphicsAnchorLayout::Bottom, l, QGraphicsAnchorLayout::Bottom);
+
+    // horizontal
+    l->anchor(l, QGraphicsAnchorLayout::Left, a, QGraphicsAnchorLayout::Left);
+    l->anchor(l, QGraphicsAnchorLayout::Left, d, QGraphicsAnchorLayout::Left);
+    l->anchor(a, QGraphicsAnchorLayout::Right, b, QGraphicsAnchorLayout::Left);
+
+    l->anchor(a, QGraphicsAnchorLayout::Right, c, QGraphicsAnchorLayout::Left);
+    l->anchor(c, QGraphicsAnchorLayout::Right, e, QGraphicsAnchorLayout::Left);
+
+    l->anchor(b, QGraphicsAnchorLayout::Right, l, QGraphicsAnchorLayout::Right);
+    l->anchor(e, QGraphicsAnchorLayout::Right, l, QGraphicsAnchorLayout::Right);
+    l->anchor(d, QGraphicsAnchorLayout::Right, e, QGraphicsAnchorLayout::Left);
+
+    QCOMPARE(l->count(), 5);
+
+    QGraphicsWidget p;
+    p.setLayout(l);
+
+    QSizeF layoutMinimumSize = l->effectiveSizeHint(Qt::MinimumSize);
+    QSizeF layoutMaximumSize = l->effectiveSizeHint(Qt::MaximumSize);
+    QSizeF layoutPreferredSize = l->effectiveSizeHint(Qt::PreferredSize);
+
+    QCOMPARE(layoutMinimumSize, QSizeF(30.0, 300.0));
+    QCOMPARE(layoutPreferredSize, QSizeF(170.0, 300.0));
+    QCOMPARE(layoutMaximumSize, QSizeF(190.0, 300.0));
+
+    p.resize(layoutMinimumSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 10.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(10.0, 0.0, 20.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(10.0, 100.0, 10.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(0.0, 200.0, 20.0, 100.0));
+    QCOMPARE(e->geometry(), QRectF(20.0, 200.0, 10.0, 100.0));
+    QCOMPARE(p.size(), layoutMinimumSize);
+
+    p.resize(layoutPreferredSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 70.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(70.0, 0.0, 100.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(70.0, 100.0, 30.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(0.0, 200.0, 100.0, 100.0));
+    QCOMPARE(e->geometry(), QRectF(100.0, 200.0, 70.0, 100.0));
+    QCOMPARE(p.size(), layoutPreferredSize);
+
+    p.resize(layoutMaximumSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 90.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(90.0, 0.0, 100.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(90.0, 100.0, 10.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(0.0, 200.0, 100.0, 100.0));
+    QCOMPARE(e->geometry(), QRectF(100.0, 200.0, 90.0, 100.0));
+    QCOMPARE(p.size(), layoutMaximumSize);
+
+    QSizeF testA(175.0, 300.0);
+    p.resize(testA);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 75.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(75.0, 0.0, 100.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(75.0, 100.0, 25.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(0.0, 200.0, 100.0, 100.0));
+    QCOMPARE(e->geometry(), QRectF(100.0, 200.0, 75.0, 100.0));
+    QCOMPARE(p.size(), testA);
+}
+
+void tst_QGraphicsAnchorLayout::parallel()
+{
+    QGraphicsWidget *a = createItem(QSizeF(100.0, 100.0),
+                                    QSizeF(150.0, 100.0),
+                                    QSizeF(200.0, 100.0));
+
+    QGraphicsWidget *b = createItem(QSizeF(100.0, 100.0),
+                                    QSizeF(150.0, 100.0),
+                                    QSizeF(200.0, 100.0));
+
+    QGraphicsWidget *c = createItem(QSizeF(100.0, 100.0),
+                                    QSizeF(200.0, 100.0),
+                                    QSizeF(300.0, 100.0));
+
+    QGraphicsWidget *d = createItem(QSizeF(100.0, 100.0),
+                                    QSizeF(170.0, 100.0),
+                                    QSizeF(200.0, 100.0));
+
+    QGraphicsWidget *e = createItem(QSizeF(150.0, 100.0),
+                                    QSizeF(150.0, 100.0),
+                                    QSizeF(200.0, 100.0));
+
+    QGraphicsWidget *f = createItem(QSizeF(100.0, 100.0),
+                                    QSizeF(150.0, 100.0),
+                                    QSizeF(200.0, 100.0));
+
+    QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
+    l->setContentsMargins(0, 0, 0, 0);
+
+    l->anchor(l, QGraphicsAnchorLayout::Top, a, QGraphicsAnchorLayout::Top);
+    l->anchor(a, QGraphicsAnchorLayout::Bottom, b, QGraphicsAnchorLayout::Top);
+    l->anchor(b, QGraphicsAnchorLayout::Bottom, c, QGraphicsAnchorLayout::Top);
+    l->anchor(c, QGraphicsAnchorLayout::Bottom, d, QGraphicsAnchorLayout::Top);
+    l->anchor(d, QGraphicsAnchorLayout::Bottom, e, QGraphicsAnchorLayout::Top);
+    l->anchor(e, QGraphicsAnchorLayout::Bottom, f, QGraphicsAnchorLayout::Top);
+    l->anchor(f, QGraphicsAnchorLayout::Bottom, l, QGraphicsAnchorLayout::Bottom);
+
+    l->anchor(l, QGraphicsAnchorLayout::Left, a, QGraphicsAnchorLayout::Left);
+    l->anchor(a, QGraphicsAnchorLayout::Right, b, QGraphicsAnchorLayout::Left);
+    l->anchor(a, QGraphicsAnchorLayout::Right, c, QGraphicsAnchorLayout::Left);
+    l->anchor(b, QGraphicsAnchorLayout::Right, d, QGraphicsAnchorLayout::Left);
+    l->anchor(b, QGraphicsAnchorLayout::Right, e, QGraphicsAnchorLayout::Left);
+    l->anchor(c, QGraphicsAnchorLayout::Right, f, QGraphicsAnchorLayout::Left);
+    l->anchor(d, QGraphicsAnchorLayout::Right, f, QGraphicsAnchorLayout::Left);
+    l->anchor(e, QGraphicsAnchorLayout::Right, f, QGraphicsAnchorLayout::Left);
+    l->anchor(f, QGraphicsAnchorLayout::Right, l, QGraphicsAnchorLayout::Right);
+
+    QCOMPARE(l->count(), 6);
+
+    QGraphicsWidget p;
+    p.setLayout(l);
+
+    QSizeF layoutMinimumSize = l->effectiveSizeHint(Qt::MinimumSize);
+    QSizeF layoutPreferredSize = l->effectiveSizeHint(Qt::PreferredSize);
+    QSizeF layoutMaximumSize = l->effectiveSizeHint(Qt::MaximumSize);
+
+    QCOMPARE(layoutMinimumSize, QSizeF(450.0, 600.0));
+    QCOMPARE(layoutPreferredSize, QSizeF(600.0, 600.0));
+    QCOMPARE(layoutMaximumSize, QSizeF(700.0, 600.0));
+
+    p.resize(layoutMinimumSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 100.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(100.0, 100.0, 100.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(100.0, 200.0, 250.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(200.0, 300.0, 150.0, 100.0));
+    QCOMPARE(e->geometry(), QRectF(200.0, 400.0, 150.0, 100.0));
+    QCOMPARE(f->geometry(), QRectF(350.0, 500.0, 100.0, 100.0));
+    QCOMPARE(p.size(), layoutMinimumSize);
+
+    p.resize(layoutPreferredSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 150.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(150.0, 100.0, 150.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(150.0, 200.0, 300.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(300.0, 300.0, 150.0, 100.0));
+    QCOMPARE(e->geometry(), QRectF(300.0, 400.0, 150.0, 100.0));
+    QCOMPARE(f->geometry(), QRectF(450.0, 500.0, 150.0, 100.0));
+    QCOMPARE(p.size(), layoutPreferredSize);
+
+    // Maximum size depends on simplification / fair distribution
+    // Without that, test may or may not pass, depending on the
+    // solution found by the solver at runtime.
+    p.resize(layoutMaximumSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 200.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(200.0, 100.0, 150.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(200.0, 200.0, 300.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(350.0, 300.0, 150.0, 100.0));
+    QCOMPARE(e->geometry(), QRectF(350.0, 400.0, 150.0, 100.0));
+    QCOMPARE(f->geometry(), QRectF(500.0, 500.0, 200.0, 100.0));
+    QCOMPARE(p.size(), layoutMaximumSize);
+}
+
+void tst_QGraphicsAnchorLayout::snake()
+{
+    QGraphicsWidget *a = createItem(QSizeF(50.0, 100.0),
+                                    QSizeF(70.0, 100.0),
+                                    QSizeF(100.0, 100.0));
+
+    QGraphicsWidget *b = createItem(QSizeF(10.0, 100.0),
+                                    QSizeF(20.0, 100.0),
+                                    QSizeF(40.0, 100.0));
+
+    QGraphicsWidget *c = createItem(QSizeF(50.0, 100.0),
+                                    QSizeF(70.0, 100.0),
+                                    QSizeF(100.0, 100.0));
+
+    QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
+    l->setContentsMargins(0, 0, 0, 0);
+
+    l->anchor(l, QGraphicsAnchorLayout::Top, a, QGraphicsAnchorLayout::Top);
+    l->anchor(a, QGraphicsAnchorLayout::Bottom, b, QGraphicsAnchorLayout::Top);
+    l->anchor(b, QGraphicsAnchorLayout::Bottom, c, QGraphicsAnchorLayout::Top);
+    l->anchor(c, QGraphicsAnchorLayout::Bottom, l, QGraphicsAnchorLayout::Bottom);
+
+    l->anchor(l, QGraphicsAnchorLayout::Left, a, QGraphicsAnchorLayout::Left);
+    l->anchor(a, QGraphicsAnchorLayout::Right, b, QGraphicsAnchorLayout::Right);
+    l->anchor(b, QGraphicsAnchorLayout::Left, c, QGraphicsAnchorLayout::Left);
+    l->anchor(c, QGraphicsAnchorLayout::Right, l, QGraphicsAnchorLayout::Right);
+
+    QCOMPARE(l->count(), 3);
+
+    QGraphicsWidget p;
+    p.setLayout(l);
+
+    QSizeF layoutMinimumSize = l->effectiveSizeHint(Qt::MinimumSize);
+    QSizeF layoutMaximumSize = l->effectiveSizeHint(Qt::MaximumSize);
+    QSizeF layoutPreferredSize = l->effectiveSizeHint(Qt::PreferredSize);
+
+    QCOMPARE(layoutMinimumSize, QSizeF(60.0, 300.0));
+    QCOMPARE(layoutPreferredSize, QSizeF(120.0, 300.0));
+    QCOMPARE(layoutMaximumSize, QSizeF(190.0, 300.0));
+
+    p.resize(layoutMinimumSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 50.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(10.0, 100.0, 40.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(10.0, 200.0, 50.0, 100.0));
+    QCOMPARE(p.size(), layoutMinimumSize);
+
+    p.resize(layoutPreferredSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 70.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(50.0, 100.0, 20.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(50.0, 200.0, 70.0, 100.0));
+    QCOMPARE(p.size(), layoutPreferredSize);
+
+    p.resize(layoutMaximumSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 100.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(90.0, 100.0, 10.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(90.0, 200.0, 100.0, 100.0));
+    QCOMPARE(p.size(), layoutMaximumSize);
+}
+
+void tst_QGraphicsAnchorLayout::fairDistribution()
+{
+    QGraphicsWidget *a = createItem(QSizeF(10.0, 100.0),
+                                    QSizeF(50.0, 100.0),
+                                    QSizeF(100.0, 100.0));
+
+    QGraphicsWidget *b = createItem(QSizeF(10.0, 100.0),
+                                    QSizeF(50.0, 100.0),
+                                    QSizeF(100.0, 100.0));
+
+    QGraphicsWidget *c = createItem(QSizeF(10.0, 100.0),
+                                    QSizeF(50.0, 100.0),
+                                    QSizeF(100.0, 100.0));
+
+    QGraphicsWidget *d = createItem(QSizeF(60.0, 100.0),
+                                    QSizeF(165.0, 100.0),
+                                    QSizeF(600.0, 100.0));
+
+
+    QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
+    l->setContentsMargins(0, 0, 0, 0);
+
+    l->anchor(l, QGraphicsAnchorLayout::Top, a, QGraphicsAnchorLayout::Top);
+    l->anchor(a, QGraphicsAnchorLayout::Bottom, b, QGraphicsAnchorLayout::Top);
+    l->anchor(b, QGraphicsAnchorLayout::Bottom, c, QGraphicsAnchorLayout::Top);
+    l->anchor(c, QGraphicsAnchorLayout::Bottom, d, QGraphicsAnchorLayout::Top);
+    l->anchor(d, QGraphicsAnchorLayout::Bottom, l, QGraphicsAnchorLayout::Bottom);
+
+    l->anchor(l, QGraphicsAnchorLayout::Left, a, QGraphicsAnchorLayout::Left);
+    l->anchor(a, QGraphicsAnchorLayout::Right, b, QGraphicsAnchorLayout::Left);
+    l->anchor(b, QGraphicsAnchorLayout::Right, c, QGraphicsAnchorLayout::Left);
+    l->anchor(c, QGraphicsAnchorLayout::Right, l, QGraphicsAnchorLayout::Right);
+    l->anchor(l, QGraphicsAnchorLayout::Left, d, QGraphicsAnchorLayout::Left);
+    l->anchor(d, QGraphicsAnchorLayout::Right, l, QGraphicsAnchorLayout::Right);
+
+    QCOMPARE(l->count(), 4);
+
+    QGraphicsWidget p;
+    p.setLayout(l);
+
+    QSizeF layoutMinimumSize = l->effectiveSizeHint(Qt::MinimumSize);
+    QSizeF layoutMaximumSize = l->effectiveSizeHint(Qt::MaximumSize);
+    QSizeF layoutPreferredSize = l->effectiveSizeHint(Qt::PreferredSize);
+
+    QCOMPARE(layoutMinimumSize, QSizeF(60.0, 400.0));
+    QCOMPARE(layoutPreferredSize, QSizeF(165.0, 400.0));
+    QCOMPARE(layoutMaximumSize, QSizeF(300.0, 400.0));
+
+    p.resize(layoutMinimumSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 20.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(20.0, 100.0, 20.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(40.0, 200.0, 20.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(0.0, 300.0, 60.0, 100.0));
+    QCOMPARE(p.size(), layoutMinimumSize);
+
+    p.resize(layoutPreferredSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 55.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(55.0, 100.0, 55.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(110.0, 200.0, 55.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(0.0, 300.0, 165.0, 100.0));
+    QCOMPARE(p.size(), layoutPreferredSize);
+
+    p.resize(layoutMaximumSize);
+    QCOMPARE(a->geometry(), QRectF(0.0, 0.0, 100.0, 100.0));
+    QCOMPARE(b->geometry(), QRectF(100.0, 100.0, 100.0, 100.0));
+    QCOMPARE(c->geometry(), QRectF(200.0, 200.0, 100.0, 100.0));
+    QCOMPARE(d->geometry(), QRectF(0.0, 300.0, 300.0, 100.0));
+    QCOMPARE(p.size(), layoutMaximumSize);
+}
+
+
+QTEST_MAIN(tst_QGraphicsAnchorLayout)
+#include "tst_qgraphicsanchorlayout.moc"