Add a PathItem autotest for the declarative API

Change-Id: I276c185c93122e5eb05ef6678ab62fa6928f2523
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

10 files changed, 364 insertions, 0 deletions

diff --git a/tests/auto/quick/examples/tst_examples.cpp b/tests/auto/quick/examples/tst_examples.cpp
index 0feebb8c1e..b25da6418b 100644
--- a/tests/auto/quick/examples/tst_examples.cpp
+++ b/tests/auto/quick/examples/tst_examples.cpp
@@ -88,6 +88,7 @@ tst_examples::tst_examples()
     excludedDirs << "snippets/qml/qtbinding";
     excludedDirs << "snippets/qml/imports";
     excludedFiles << "examples/quick/pathitem/content/pathitem.qml"; // relies on resources
+    excludedFiles << "examples/quick/pathitem/content/pathiteminteract.qml"; // relies on resources
 
 #ifdef QT_NO_XMLPATTERNS
     excludedDirs << "demos/twitter";
diff --git a/tests/auto/quick/qquickpathitem/data/pathitem1.qml b/tests/auto/quick/qquickpathitem/data/pathitem1.qml
new file mode 100644
index 0000000000..885ec7d323
--- /dev/null
+++ b/tests/auto/quick/qquickpathitem/data/pathitem1.qml
@@ -0,0 +1,4 @@
+import QtQuick 2.9
+
+PathItem {
+}
diff --git a/tests/auto/quick/qquickpathitem/data/pathitem2.qml b/tests/auto/quick/qquickpathitem/data/pathitem2.qml
new file mode 100644
index 0000000000..9f4a3b5957
--- /dev/null
+++ b/tests/auto/quick/qquickpathitem/data/pathitem2.qml
@@ -0,0 +1,6 @@
+import QtQuick 2.9
+
+PathItem {
+    VisualPath { }
+    VisualPath { }
+}
diff --git a/tests/auto/quick/qquickpathitem/data/pathitem3.png b/tests/auto/quick/qquickpathitem/data/pathitem3.png
new file mode 100644
index 0000000000..a8b4483c96
--- /dev/null
+++ b/tests/auto/quick/qquickpathitem/data/pathitem3.png
diff --git a/tests/auto/quick/qquickpathitem/data/pathitem3.qml b/tests/auto/quick/qquickpathitem/data/pathitem3.qml
new file mode 100644
index 0000000000..69a56dd488
--- /dev/null
+++ b/tests/auto/quick/qquickpathitem/data/pathitem3.qml
@@ -0,0 +1,34 @@
+import QtQuick 2.9
+
+Item {
+    width: 200
+    height: 150
+
+    PathItem {
+        enableVendorExtensions: false
+        objectName: "pathItem"
+        anchors.fill: parent
+
+        VisualPath {
+            strokeWidth: 4
+            strokeColor: "red"
+            fillGradient: PathLinearGradient {
+                x1: 20; y1: 20
+                x2: 180; y2: 130
+                PathGradientStop { position: 0; color: "blue" }
+                PathGradientStop { position: 0.2; color: "green" }
+                PathGradientStop { position: 0.4; color: "red" }
+                PathGradientStop { position: 0.6; color: "yellow" }
+                PathGradientStop { position: 1; color: "cyan" }
+            }
+            strokeStyle: VisualPath.DashLine
+            dashPattern: [ 1, 4 ]
+            Path {
+                startX: 20; startY: 20
+                PathLine { x: 180; y: 130 }
+                PathLine { x: 20; y: 130 }
+                PathLine { x: 20; y: 20 }
+            }
+        }
+    }
+}
diff --git a/tests/auto/quick/qquickpathitem/data/pathitem4.png b/tests/auto/quick/qquickpathitem/data/pathitem4.png
new file mode 100644
index 0000000000..3a988ba249
--- /dev/null
+++ b/tests/auto/quick/qquickpathitem/data/pathitem4.png
diff --git a/tests/auto/quick/qquickpathitem/data/pathitem4.qml b/tests/auto/quick/qquickpathitem/data/pathitem4.qml
new file mode 100644
index 0000000000..74f0ca7408
--- /dev/null
+++ b/tests/auto/quick/qquickpathitem/data/pathitem4.qml
@@ -0,0 +1,61 @@
+import QtQuick 2.9
+
+Item {
+    width: 200
+    height: 150
+
+    PathItem {
+        enableVendorExtensions: false
+        objectName: "pathItem"
+        anchors.fill: parent
+
+        VisualPath {
+            strokeColor: "red"
+            fillColor: "green"
+            Path {
+                startX: 40; startY: 30
+                PathQuad { x: 50; y: 80; controlX: 0; controlY: 80 }
+                PathLine { x: 150; y: 80 }
+                PathQuad { x: 160; y: 30; controlX: 200; controlY: 80 }
+            }
+        }
+
+        VisualPath {
+            strokeWidth: 10
+            fillColor: "transparent"
+            strokeColor: "blue"
+            Path {
+                startX: 40; startY: 30
+                PathCubic { x: 50; y: 80; control1X: 0; control1Y: 80; control2X: 100; control2Y: 100 }
+            }
+        }
+
+        VisualPath {
+            fillGradient: PathLinearGradient {
+                y2: 150
+                PathGradientStop { position: 0; color: "yellow" }
+                PathGradientStop { position: 1; color: "green" }
+            }
+
+            Path {
+                startX: 10; startY: 100
+                PathArc {
+                    relativeX: 50; y: 100
+                    radiusX: 25; radiusY: 25
+                }
+                PathArc {
+                    relativeX: 50; y: 100
+                    radiusX: 25; radiusY: 35
+                }
+                PathArc {
+                    relativeX: 50; y: 100
+                    radiusX: 25; radiusY: 60
+                }
+                PathArc {
+                    relativeX: 50; y: 100
+                    radiusX: 50; radiusY: 120
+                }
+            }
+        }
+    }
+}
diff --git a/tests/auto/quick/qquickpathitem/qquickpathitem.pro b/tests/auto/quick/qquickpathitem/qquickpathitem.pro
new file mode 100644
index 0000000000..909fbd8027
--- /dev/null
+++ b/tests/auto/quick/qquickpathitem/qquickpathitem.pro
@@ -0,0 +1,13 @@
+CONFIG += testcase
+TARGET = tst_qquickpathitem
+macx:CONFIG -= app_bundle
+
+SOURCES += tst_qquickpathitem.cpp
+
+include (../../shared/util.pri)
+include (../shared/util.pri)
+
+TESTDATA = data/*
+
+QT += core-private gui-private  qml-private quick-private testlib
+qtHaveModule(widgets): QT += widgets
diff --git a/tests/auto/quick/qquickpathitem/tst_qquickpathitem.cpp b/tests/auto/quick/qquickpathitem/tst_qquickpathitem.cpp
new file mode 100644
index 0000000000..d18df11c96
--- /dev/null
+++ b/tests/auto/quick/qquickpathitem/tst_qquickpathitem.cpp
@@ -0,0 +1,244 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+#include <QtQuick/qquickview.h>
+#include <QtQml/qqmlengine.h>
+#include <QtQml/qqmlcomponent.h>
+#include <QtQml/qqmlcontext.h>
+#include <QtQml/qqmlexpression.h>
+#include <QtQml/qqmlincubator.h>
+#include <QtQuick/private/qquickpathitem_p.h>
+
+#include "../../shared/util.h"
+#include "../shared/viewtestutil.h"
+#include "../shared/visualtestutil.h"
+
+using namespace QQuickViewTestUtil;
+using namespace QQuickVisualTestUtil;
+
+class tst_QQuickPathItem : public QQmlDataTest
+{
+    Q_OBJECT
+public:
+    tst_QQuickPathItem();
+
+private slots:
+    void initValues();
+    void vpInitValues();
+    void basicPathItem();
+    void changeSignals();
+    void render();
+    void renderWithMultipleVp();
+};
+
+tst_QQuickPathItem::tst_QQuickPathItem()
+{
+    // Force the software backend to get reliable rendering results regardless of the hw and drivers.
+    QQuickWindow::setSceneGraphBackend(QSGRendererInterface::Software);
+}
+
+void tst_QQuickPathItem::initValues()
+{
+    QQmlEngine engine;
+    QQmlComponent c(&engine, testFileUrl("pathitem1.qml"));
+    QQuickPathItem *obj = qobject_cast<QQuickPathItem *>(c.create());
+
+    QVERIFY(obj != nullptr);
+    QVERIFY(obj->rendererType() == QQuickPathItem::UnknownRenderer);
+    QVERIFY(!obj->asynchronous());
+    QVERIFY(obj->enableVendorExtensions());
+    QVERIFY(obj->status() == QQuickPathItem::Null);
+    auto vps = obj->elements();
+    QVERIFY(vps.count(&vps) == 0);
+
+    delete obj;
+}
+
+void tst_QQuickPathItem::vpInitValues()
+{
+    QQmlEngine engine;
+    QQmlComponent c(&engine, testFileUrl("pathitem2.qml"));
+    QQuickPathItem *obj = qobject_cast<QQuickPathItem *>(c.create());
+
+    QVERIFY(obj != nullptr);
+    QVERIFY(obj->rendererType() == QQuickPathItem::UnknownRenderer);
+    QVERIFY(!obj->asynchronous());
+    QVERIFY(obj->enableVendorExtensions());
+    QVERIFY(obj->status() == QQuickPathItem::Null);
+    auto vps = obj->elements();
+    QVERIFY(vps.count(&vps) == 2);
+
+    QQuickVisualPath *vp = vps.at(&vps, 0);
+    QVERIFY(vp != nullptr);
+    QVERIFY(!vp->path());
+    QCOMPARE(vp->strokeColor(), QColor(Qt::white));
+    QCOMPARE(vp->strokeWidth(), 1.0f);
+    QCOMPARE(vp->fillColor(), QColor(Qt::white));
+    QCOMPARE(vp->fillRule(), QQuickVisualPath::OddEvenFill);
+    QCOMPARE(vp->joinStyle(), QQuickVisualPath::BevelJoin);
+    QCOMPARE(vp->miterLimit(), 2);
+    QCOMPARE(vp->capStyle(), QQuickVisualPath::SquareCap);
+    QCOMPARE(vp->strokeStyle(), QQuickVisualPath::SolidLine);
+    QCOMPARE(vp->dashOffset(), 0.0f);
+    QCOMPARE(vp->dashPattern(), QVector<qreal>() << 4 << 2);
+    QVERIFY(!vp->fillGradient());
+
+    delete obj;
+}
+
+void tst_QQuickPathItem::basicPathItem()
+{
+    QScopedPointer<QQuickView> window(createView());
+
+    window->setSource(testFileUrl("pathitem3.qml"));
+    qApp->processEvents();
+
+    QQuickPathItem *obj = findItem<QQuickPathItem>(window->rootObject(), "pathItem");
+    QVERIFY(obj != nullptr);
+    QQmlListReference list(obj, "elements");
+    QCOMPARE(list.count(), 1);
+    QQuickVisualPath *vp = qobject_cast<QQuickVisualPath *>(list.at(0));
+    QVERIFY(vp != nullptr);
+    QCOMPARE(vp->strokeWidth(), 4.0f);
+    QVERIFY(vp->fillGradient() != nullptr);
+    QVERIFY(vp->path() != nullptr);
+    QCOMPARE(vp->strokeStyle(), QQuickVisualPath::DashLine);
+
+    vp->setStrokeWidth(5.0f);
+    QCOMPARE(vp->strokeWidth(), 5.0f);
+
+    QQuickPathLinearGradient *lgrad = qobject_cast<QQuickPathLinearGradient *>(vp->fillGradient());
+    QVERIFY(lgrad != nullptr);
+    QCOMPARE(lgrad->spread(), QQuickPathGradient::PadSpread);
+    QCOMPARE(lgrad->x1(), 20.0f);
+    QQmlListReference stopList(lgrad, "stops");
+    QCOMPARE(stopList.count(), 5);
+    QVERIFY(stopList.at(2) != nullptr);
+
+    QQuickPath *path = vp->path();
+    QCOMPARE(path->startX(), 20.0f);
+    QQmlListReference pathList(path, "pathElements");
+    QCOMPARE(pathList.count(), 3);
+}
+
+void tst_QQuickPathItem::changeSignals()
+{
+    QScopedPointer<QQuickView> window(createView());
+
+    window->setSource(testFileUrl("pathitem3.qml"));
+    qApp->processEvents();
+
+    QQuickPathItem *obj = findItem<QQuickPathItem>(window->rootObject(), "pathItem");
+    QVERIFY(obj != nullptr);
+
+    QSignalSpy asyncPropSpy(obj, SIGNAL(asynchronousChanged()));
+    obj->setAsynchronous(true);
+    obj->setAsynchronous(false);
+    QCOMPARE(asyncPropSpy.count(), 2);
+
+    QQmlListReference list(obj, "elements");
+    QQuickVisualPath *vp = qobject_cast<QQuickVisualPath *>(list.at(0));
+    QVERIFY(vp != nullptr);
+
+    // Verify that VisualPath property changes emit changed().
+    QSignalSpy vpChangeSpy(vp, SIGNAL(changed()));
+    QSignalSpy strokeColorPropSpy(vp, SIGNAL(strokeColorChanged()));
+    vp->setStrokeColor(Qt::blue);
+    vp->setStrokeWidth(1.0f);
+    QQuickPathGradient *g = vp->fillGradient();
+    vp->setFillGradient(nullptr);
+    vp->setFillColor(Qt::yellow);
+    vp->setFillRule(QQuickVisualPath::WindingFill);
+    vp->setJoinStyle(QQuickVisualPath::MiterJoin);
+    vp->setMiterLimit(5);
+    vp->setCapStyle(QQuickVisualPath::RoundCap);
+    vp->setDashOffset(10);
+    vp->setDashPattern(QVector<qreal>() << 1 << 2 << 3 << 4);
+    QCOMPARE(strokeColorPropSpy.count(), 1);
+    QCOMPARE(vpChangeSpy.count(), 10);
+
+    // Verify that property changes from Path and its elements bubble up and result in changed().
+    QQuickPath *path = vp->path();
+    path->setStartX(30);
+    QCOMPARE(vpChangeSpy.count(), 11);
+    QQmlListReference pathList(path, "pathElements");
+    qobject_cast<QQuickPathLine *>(pathList.at(1))->setY(200);
+    QCOMPARE(vpChangeSpy.count(), 12);
+
+    // Verify that property changes from the gradient bubble up and result in changed().
+    vp->setFillGradient(g);
+    QCOMPARE(vpChangeSpy.count(), 13);
+    QQuickPathLinearGradient *lgrad = qobject_cast<QQuickPathLinearGradient *>(g);
+    lgrad->setX2(200);
+    QCOMPARE(vpChangeSpy.count(), 14);
+    QQmlListReference stopList(lgrad, "stops");
+    QCOMPARE(stopList.count(), 5);
+    qobject_cast<QQuickPathGradientStop *>(stopList.at(1))->setPosition(0.3);
+    QCOMPARE(vpChangeSpy.count(), 15);
+    qobject_cast<QQuickPathGradientStop *>(stopList.at(1))->setColor(Qt::black);
+    QCOMPARE(vpChangeSpy.count(), 16);
+}
+
+void tst_QQuickPathItem::render()
+{
+    QScopedPointer<QQuickView> window(createView());
+
+    window->setSource(testFileUrl("pathitem3.qml"));
+    window->show();
+    QVERIFY(QTest::qWaitForWindowExposed(window.data()));
+
+    QImage img = window->grabWindow();
+    QVERIFY(!img.isNull());
+
+    QImage refImg(testFileUrl("pathitem3.png").toLocalFile());
+    QVERIFY(!refImg.isNull());
+
+    QVERIFY(QQuickVisualTestUtil::compareImages(img.convertToFormat(refImg.format()), refImg));
+}
+
+void tst_QQuickPathItem::renderWithMultipleVp()
+{
+    QScopedPointer<QQuickView> window(createView());
+
+    window->setSource(testFileUrl("pathitem4.qml"));
+    window->show();
+    QVERIFY(QTest::qWaitForWindowExposed(window.data()));
+
+    QImage img = window->grabWindow();
+    QVERIFY(!img.isNull());
+
+    QImage refImg(testFileUrl("pathitem4.png").toLocalFile());
+    QVERIFY(!refImg.isNull());
+
+    QVERIFY(QQuickVisualTestUtil::compareImages(img.convertToFormat(refImg.format()), refImg));
+}
+
+QTEST_MAIN(tst_QQuickPathItem)
+
+#include "tst_qquickpathitem.moc"
diff --git a/tests/auto/quick/quick.pro b/tests/auto/quick/quick.pro
index 6e9998c061..9b1657e2a2 100644
--- a/tests/auto/quick/quick.pro
+++ b/tests/auto/quick/quick.pro
@@ -69,6 +69,7 @@ QUICKTESTS =  \
     qquickmousearea \
     qquickmultipointtoucharea \
     qquickpainteditem \
+    qquickpathitem \
     qquickpathview \
     qquickpincharea \
     qquickpositioners \