diff options
Diffstat (limited to '')
-rw-r--r-- | testfiles/src/curve-test.cpp | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/testfiles/src/curve-test.cpp b/testfiles/src/curve-test.cpp new file mode 100644 index 0000000..75c7b98 --- /dev/null +++ b/testfiles/src/curve-test.cpp @@ -0,0 +1,292 @@ +// 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 : |