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-rw-r--r--testfiles/src/curve-test.cpp292
1 files changed, 292 insertions, 0 deletions
diff --git a/testfiles/src/curve-test.cpp b/testfiles/src/curve-test.cpp
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+++ b/testfiles/src/curve-test.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * Curve test
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2020 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+#include <gtest/gtest.h>
+
+#include "display/curve.h"
+#include <2geom/curves.h>
+#include <2geom/path.h>
+#include <2geom/pathvector.h>
+
+class CurveTest : public ::testing::Test {
+ public:
+ Geom::Path path1;
+ Geom::Path path2;
+ Geom::Path path3;
+ Geom::Path path4;
+
+ static size_t get_refcount(SPCurve const *curve) { return curve->_refcount; }
+
+ protected:
+ CurveTest()
+ : path4(Geom::Point(3, 5)) // Just a moveto
+ {
+ // Closed path
+ path1.append(Geom::LineSegment(Geom::Point(0, 0), Geom::Point(1, 0)));
+ path1.append(Geom::LineSegment(Geom::Point(1, 0), Geom::Point(1, 1)));
+ path1.close();
+ // Closed path (ClosingSegment is zero length)
+ path2.append(Geom::LineSegment(Geom::Point(2, 0), Geom::Point(3, 0)));
+ path2.append(Geom::CubicBezier(Geom::Point(3, 0), Geom::Point(2, 1), Geom::Point(1, 1), Geom::Point(2, 0)));
+ path2.close();
+ // Open path
+ path3.setStitching(true);
+ path3.append(Geom::EllipticalArc(Geom::Point(4, 0), 1, 2, M_PI, false, false, Geom::Point(5, 1)));
+ path3.append(Geom::LineSegment(Geom::Point(5, 1), Geom::Point(5, 2)));
+ path3.append(Geom::LineSegment(Geom::Point(6, 4), Geom::Point(2, 4)));
+ }
+};
+
+TEST_F(CurveTest, testMoveSemantics)
+{
+ SPCurve c1;
+ c1.moveto(2, 3);
+ c1.lineto(4, 5);
+
+ // move construction
+ SPCurve c2(std::move(c1));
+
+ ASSERT_EQ(c1.get_segment_count(), 0);
+ ASSERT_EQ(c2.get_segment_count(), 1);
+
+ // move assignment
+ c1 = std::move(c2);
+
+ ASSERT_EQ(c1.get_segment_count(), 1);
+ ASSERT_EQ(c2.get_segment_count(), 0);
+}
+
+TEST_F(CurveTest, testRefCount)
+{
+ auto c1 = std::make_unique<SPCurve>();
+ ASSERT_EQ(get_refcount(c1.get()), 1);
+ {
+ auto c2 = c1->ref();
+ ASSERT_EQ(c2.get(), c1.get());
+ ASSERT_EQ(get_refcount(c1.get()), 2);
+ ASSERT_EQ(get_refcount(c2.get()), 2);
+ }
+ ASSERT_EQ(get_refcount(c1.get()), 1);
+}
+
+TEST_F(CurveTest, testGetSegmentCount)
+{
+ { // Zero segments
+ Geom::PathVector pv;
+ SPCurve curve(pv);
+ ASSERT_EQ(curve.get_segment_count(), 0u);
+ }
+ { // Zero segments
+ Geom::PathVector pv;
+ pv.push_back(Geom::Path());
+ SPCurve curve(pv);
+ ASSERT_EQ(curve.get_segment_count(), 0u);
+ }
+ { // Individual paths
+ Geom::PathVector pv((Geom::Path()));
+ pv[0] = path1;
+ ASSERT_EQ(SPCurve(pv).get_segment_count(), 3u);
+ pv[0] = path2;
+ ASSERT_EQ(SPCurve(pv).get_segment_count(), 2u);
+ pv[0] = path3;
+ ASSERT_EQ(SPCurve(pv).get_segment_count(), 4u);
+ pv[0] = path4;
+ ASSERT_EQ(SPCurve(pv).get_segment_count(), 0u);
+ pv[0].close();
+ ASSERT_EQ(SPCurve(pv).get_segment_count(), 0u);
+ }
+ { // Combination
+ Geom::PathVector pv;
+ pv.push_back(path1);
+ pv.push_back(path2);
+ pv.push_back(path3);
+ pv.push_back(path4);
+ SPCurve curve(pv);
+ ASSERT_EQ(curve.get_segment_count(), 9u);
+ }
+}
+
+TEST_F(CurveTest, testNodesInPathForZeroSegments)
+{
+ { // Zero segments
+ Geom::PathVector pv;
+ SPCurve curve(pv);
+ ASSERT_EQ(curve.nodes_in_path(), 0u);
+ }
+ { // Zero segments
+ Geom::PathVector pv;
+ pv.push_back(Geom::Path());
+ SPCurve curve(pv);
+ ASSERT_EQ(curve.nodes_in_path(), 1u);
+ }
+}
+
+TEST_F(CurveTest, testNodesInPathForIndividualPaths)
+{
+ Geom::PathVector pv((Geom::Path()));
+ pv[0] = path1;
+ ASSERT_EQ(SPCurve(pv).nodes_in_path(), 3u);
+ pv[0] = path2;
+ ASSERT_EQ(SPCurve(pv).nodes_in_path(), 2u); // zero length closing segments do not increase the nodecount.
+ pv[0] = path3;
+ ASSERT_EQ(SPCurve(pv).nodes_in_path(), 5u);
+ pv[0] = path4;
+ ASSERT_EQ(SPCurve(pv).nodes_in_path(), 1u);
+}
+
+TEST_F(CurveTest, testNodesInPathForNakedMoveToClosedPath)
+{
+ Geom::PathVector pv((Geom::Path()));
+ pv[0] = path4; // just a MoveTo
+ pv[0].close();
+ ASSERT_EQ(SPCurve(pv).nodes_in_path(), 1u);
+}
+
+/*
+TEST_F(CurveTest, testNodesInPathForPathsCombination)
+{
+ Geom::PathVector pv;
+ pv.push_back(path1);
+ pv.push_back(path2);
+ pv.push_back(path3);
+ pv.push_back(path4);
+ SPCurve curve(pv);
+ ASSERT_EQ(curve.nodes_in_path(), 12u);
+}
+*/
+
+TEST_F(CurveTest, testIsEmpty)
+{
+ ASSERT_TRUE(SPCurve(Geom::PathVector()).is_empty());
+ ASSERT_FALSE(SPCurve(path1).is_empty());
+ ASSERT_FALSE(SPCurve(path2).is_empty());
+ ASSERT_FALSE(SPCurve(path3).is_empty());
+ ASSERT_FALSE(SPCurve(path4).is_empty());
+}
+
+TEST_F(CurveTest, testIsClosed)
+{
+ ASSERT_FALSE(SPCurve(Geom::PathVector()).is_closed());
+ Geom::PathVector pv((Geom::Path()));
+ ASSERT_FALSE(SPCurve(pv).is_closed());
+ pv[0].close();
+ ASSERT_TRUE(SPCurve(pv).is_closed());
+ ASSERT_TRUE(SPCurve(path1).is_closed());
+ ASSERT_TRUE(SPCurve(path2).is_closed());
+ ASSERT_FALSE(SPCurve(path3).is_closed());
+ ASSERT_FALSE(SPCurve(path4).is_closed());
+}
+
+/*
+TEST_F(CurveTest, testLastFirstSegment)
+{
+ Geom::PathVector pv(path4);
+ ASSERT_EQ(SPCurve(pv).first_segment(), (void *)0);
+ ASSERT_EQ(SPCurve(pv).last_segment(), (void *)0);
+ pv[0].close();
+ ASSERT_NE(SPCurve(pv).first_segment(), (void *)0);
+ ASSERT_NE(SPCurve(pv).last_segment(), (void *)0);
+}
+*/
+
+TEST_F(CurveTest, testLastFirstPath)
+{
+ Geom::PathVector pv;
+ ASSERT_EQ(SPCurve(pv).first_path(), (void *)0);
+ ASSERT_EQ(SPCurve(pv).last_path(), (void *)0);
+ pv.push_back(path1);
+ ASSERT_EQ(*SPCurve(pv).first_path(), pv[0]);
+ ASSERT_EQ(*SPCurve(pv).last_path(), pv[0]);
+ pv.push_back(path2);
+ ASSERT_EQ(*SPCurve(pv).first_path(), pv[0]);
+ ASSERT_EQ(*SPCurve(pv).last_path(), pv[1]);
+ pv.push_back(path3);
+ ASSERT_EQ(*SPCurve(pv).first_path(), pv[0]);
+ ASSERT_EQ(*SPCurve(pv).last_path(), pv[2]);
+ pv.push_back(path4);
+ ASSERT_EQ(*SPCurve(pv).first_path(), pv[0]);
+ ASSERT_EQ(*SPCurve(pv).last_path(), pv[3]);
+}
+
+TEST_F(CurveTest, testFirstPoint)
+{
+ ASSERT_EQ(*(SPCurve(path1).first_point()), Geom::Point(0, 0));
+ ASSERT_EQ(*(SPCurve(path2).first_point()), Geom::Point(2, 0));
+ ASSERT_EQ(*(SPCurve(path3).first_point()), Geom::Point(4, 0));
+ ASSERT_EQ(*(SPCurve(path4).first_point()), Geom::Point(3, 5));
+ Geom::PathVector pv;
+ ASSERT_FALSE(SPCurve(pv).first_point());
+ pv.push_back(path1);
+ pv.push_back(path2);
+ pv.push_back(path3);
+ ASSERT_EQ(*(SPCurve(pv).first_point()), Geom::Point(0, 0));
+ pv.insert(pv.begin(), path4);
+ ASSERT_EQ(*(SPCurve(pv).first_point()), Geom::Point(3, 5));
+}
+
+/*
+TEST_F(CurveTest, testLastPoint)
+{
+ ASSERT_EQ(*(SPCurve(path1).last_point()), Geom::Point(0, 0));
+ ASSERT_EQ(*(SPCurve(path2).last_point()), Geom::Point(2, 0));
+ ASSERT_EQ(*(SPCurve(path3).last_point()), Geom::Point(8, 4));
+ ASSERT_EQ(*(SPCurve(path4).last_point()), Geom::Point(3, 5));
+ Geom::PathVector pv;
+ ASSERT_FALSE(SPCurve(pv).last_point());
+ pv.push_back(path1);
+ pv.push_back(path2);
+ pv.push_back(path3);
+ ASSERT_EQ(*(SPCurve(pv).last_point()), Geom::Point(8, 4));
+ pv.push_back(path4);
+ ASSERT_EQ(*(SPCurve(pv).last_point()), Geom::Point(3, 5));
+}
+*/
+
+TEST_F(CurveTest, testSecondPoint)
+{
+ ASSERT_EQ(*(SPCurve(path1).second_point()), Geom::Point(1, 0));
+ ASSERT_EQ(*(SPCurve(path2).second_point()), Geom::Point(3, 0));
+ ASSERT_EQ(*(SPCurve(path3).second_point()), Geom::Point(5, 1));
+ ASSERT_EQ(*(SPCurve(path4).second_point()), Geom::Point(3, 5));
+ Geom::PathVector pv;
+ pv.push_back(path1);
+ pv.push_back(path2);
+ pv.push_back(path3);
+ ASSERT_EQ(*(SPCurve(pv).second_point()), Geom::Point(1, 0));
+ pv.insert(pv.begin(), path4);
+ ASSERT_EQ(*SPCurve(pv).second_point(), Geom::Point(0, 0));
+}
+
+/*
+TEST_F(CurveTest, testPenultimatePoint)
+{
+ ASSERT_EQ(*(SPCurve(Geom::PathVector(path1)).penultimate_point()), Geom::Point(1, 1));
+ ASSERT_EQ(*(SPCurve(Geom::PathVector(path2)).penultimate_point()), Geom::Point(3, 0));
+ ASSERT_EQ(*(SPCurve(Geom::PathVector(path3)).penultimate_point()), Geom::Point(6, 4));
+ ASSERT_EQ(*(SPCurve(Geom::PathVector(path4)).penultimate_point()), Geom::Point(3, 5));
+ Geom::PathVector pv;
+ pv.push_back(path1);
+ pv.push_back(path2);
+ pv.push_back(path3);
+ ASSERT_EQ(*(SPCurve(pv).penultimate_point()), Geom::Point(6, 4));
+ pv.push_back(path4);
+ ASSERT_EQ(*(SPCurve(pv).penultimate_point()), Geom::Point(8, 4));
+}
+*/
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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