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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/3rdparty/2geom/tests/angle-test.cpp | |
parent | Initial commit. (diff) | |
download | inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/3rdparty/2geom/tests/angle-test.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/3rdparty/2geom/tests/angle-test.cpp b/src/3rdparty/2geom/tests/angle-test.cpp new file mode 100644 index 0000000..687be65 --- /dev/null +++ b/src/3rdparty/2geom/tests/angle-test.cpp @@ -0,0 +1,209 @@ +/** @file + * @brief Unit tests for Angle and AngleInterval. + * Uses the Google Testing Framework + *//* + * Authors: + * Krzysztof KosiĆski <tweenk.pl@gmail.com> + * + * Copyright 2015 Authors + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + */ + +#include <2geom/angle.h> +#include <glib.h> +#include "testing.h" + +using namespace Geom; + +TEST(AngleIntervalTest, InnerAngleConstrutor) { + std::vector<AngleInterval> ivs; + + ivs.emplace_back(0, M_PI, true); + ivs.emplace_back(0, M_PI, false); + ivs.emplace_back(M_PI, 0, true); + ivs.emplace_back(M_PI, 0, false); + ivs.emplace_back(Angle(0), Angle(0), Angle(M_PI)); + + for (auto & iv : ivs) { + AngleInterval inner(iv.angleAt(0), iv.angleAt(0.5), iv.angleAt(1)); + EXPECT_EQ(inner, iv); + } +} + +TEST(AngleIntervalTest, Containment) { + AngleInterval a(0, M_PI, true); + AngleInterval b(0, M_PI, false); + AngleInterval c(M_PI, 0, true); + AngleInterval d(M_PI, 0, false); + AngleInterval e = AngleInterval::create_full(M_PI, true); + + EXPECT_TRUE(a.contains(1.)); + EXPECT_FALSE(a.contains(5.)); + EXPECT_EQ(a.extent(), M_PI); + + EXPECT_FALSE(b.contains(1.)); + EXPECT_TRUE(b.contains(5.)); + EXPECT_EQ(b.extent(), M_PI); + + EXPECT_FALSE(c.contains(1.)); + EXPECT_TRUE(c.contains(5.)); + EXPECT_EQ(c.extent(), M_PI); + + EXPECT_TRUE(d.contains(1.)); + EXPECT_FALSE(d.contains(5.)); + EXPECT_EQ(d.extent(), M_PI); + + EXPECT_TRUE(e.contains(1.)); + EXPECT_TRUE(e.contains(5.)); + EXPECT_EQ(e.extent(), 2*M_PI); +} + +TEST(AngleIntervalTest, TimeAtAngle) { + Coord pi32 = (3./2.)*M_PI; + AngleInterval a(M_PI, pi32, true); + AngleInterval b(pi32, M_PI, true); + AngleInterval c(M_PI, 0, false); + AngleInterval d(M_PI/2, M_PI, false); + AngleInterval e = AngleInterval::create_full(M_PI, true); + AngleInterval f = AngleInterval::create_full(M_PI, false); + Interval unit(0, 1); + + EXPECT_EQ(a.timeAtAngle(M_PI), 0); + EXPECT_EQ(a.timeAtAngle(pi32), 1); + EXPECT_EQ(a.extent(), M_PI/2); + for (Coord t = -1; t <= 2; t += 0.125) { + Coord angle = lerp(t, M_PI, pi32); + Coord ti = a.timeAtAngle(angle); + EXPECT_EQ(unit.contains(ti), a.contains(angle)); + EXPECT_FLOAT_EQ(ti, t); + } + + EXPECT_EQ(b.timeAtAngle(pi32), 0); + EXPECT_EQ(b.timeAtAngle(M_PI), 1); + EXPECT_EQ(b.extent(), pi32); + EXPECT_FLOAT_EQ(b.timeAtAngle(M_PI/4), 0.5); + EXPECT_FLOAT_EQ(b.timeAtAngle(0), 1./3.); + EXPECT_FLOAT_EQ(b.timeAtAngle((11./8)*M_PI), -1./12); + for (Coord t = -0.125; t <= 1.125; t += 0.0625) { + Coord angle = lerp(t, pi32, 3*M_PI); + Coord ti = b.timeAtAngle(angle); + EXPECT_EQ(unit.contains(ti), b.contains(angle)); + EXPECT_FLOAT_EQ(ti, t); + } + + EXPECT_EQ(c.timeAtAngle(M_PI), 0); + EXPECT_EQ(c.timeAtAngle(0), 1); + EXPECT_EQ(c.extent(), M_PI); + EXPECT_FLOAT_EQ(c.timeAtAngle(M_PI/2), 0.5); + for (Coord t = -0.25; t <= 1.25; t += 0.125) { + Coord angle = lerp(t, M_PI, 0); + Coord ti = c.timeAtAngle(angle); + EXPECT_EQ(unit.contains(ti), c.contains(angle)); + EXPECT_FLOAT_EQ(ti, t); + } + + EXPECT_EQ(d.timeAtAngle(M_PI/2), 0); + EXPECT_EQ(d.timeAtAngle(M_PI), 1); + EXPECT_EQ(d.extent(), pi32); + EXPECT_FLOAT_EQ(d.timeAtAngle(-M_PI/4), 0.5); + for (Coord t = -0.125; t <= 1.125; t += 0.0625) { + Coord angle = lerp(t, M_PI/2, -M_PI); + Coord ti = d.timeAtAngle(angle); + EXPECT_EQ(unit.contains(ti), d.contains(angle)); + EXPECT_FLOAT_EQ(ti, t); + } + + EXPECT_EQ(e.timeAtAngle(M_PI), 0); + EXPECT_EQ(e.extent(), 2*M_PI); + EXPECT_FLOAT_EQ(e.timeAtAngle(0), 0.5); + for (Coord t = 0; t < 1; t += 0.125) { + Coord angle = lerp(t, M_PI, 3*M_PI); + Coord ti = e.timeAtAngle(angle); + EXPECT_EQ(unit.contains(ti), true); + EXPECT_EQ(e.contains(angle), true); + EXPECT_FLOAT_EQ(ti, t); + } + + EXPECT_EQ(f.timeAtAngle(M_PI), 0); + EXPECT_EQ(f.extent(), 2*M_PI); + EXPECT_FLOAT_EQ(e.timeAtAngle(0), 0.5); + for (Coord t = 0; t < 1; t += 0.125) { + Coord angle = lerp(t, M_PI, -M_PI); + Coord ti = f.timeAtAngle(angle); + EXPECT_EQ(unit.contains(ti), true); + EXPECT_EQ(f.contains(angle), true); + EXPECT_FLOAT_EQ(ti, t); + } +} + +TEST(AngleIntervalTest, AngleAt) { + Coord pi32 = (3./2.)*M_PI; + AngleInterval a(M_PI, pi32, true); + AngleInterval c(M_PI, 0, false); + AngleInterval f1 = AngleInterval::create_full(0, true); + AngleInterval f2 = AngleInterval::create_full(M_PI, false); + + EXPECT_EQ(a.angleAt(0), M_PI); + EXPECT_EQ(a.angleAt(1), pi32); + EXPECT_EQ(a.extent(), M_PI/2); + for (Coord t = -1; t <= 2; t += 0.125) { + EXPECT_FLOAT_EQ(a.angleAt(t), Angle(lerp(t, M_PI, pi32))); + } + + EXPECT_EQ(c.angleAt(0), M_PI); + EXPECT_EQ(c.angleAt(1), 0.); + EXPECT_EQ(c.extent(), M_PI); + for (Coord t = -0.25; t <= 1.25; t += 0.0625) { + EXPECT_FLOAT_EQ(c.angleAt(t), Angle(lerp(t, M_PI, 0))); + } + + EXPECT_EQ(f1.angleAt(0), 0.); + EXPECT_EQ(f1.angleAt(1), 0.); + for (Coord t = 0; t < 1; t += 0.125) { + EXPECT_FLOAT_EQ(f1.angleAt(t), Angle(lerp(t, 0, 2*M_PI))); + } + EXPECT_EQ(f2.angleAt(0), M_PI); + EXPECT_EQ(f2.angleAt(1), M_PI); + for (Coord t = 0; t < 1; t += 0.125) { + EXPECT_FLOAT_EQ(f2.angleAt(t), Angle(lerp(t, M_PI, -M_PI))); + } +} + +TEST(AngleIntervalTest, Extent) { + Coord pi32 = (3./2.)*M_PI; + AngleInterval a(M_PI, pi32, true); + AngleInterval b(pi32, M_PI, true); + AngleInterval c(M_PI, 0, false); + AngleInterval d(M_PI/2, M_PI, false); + + EXPECT_EQ(a.extent(), M_PI/2); + EXPECT_EQ(a.sweepAngle(), M_PI/2); + EXPECT_EQ(b.extent(), pi32); + EXPECT_EQ(b.sweepAngle(), pi32); + EXPECT_EQ(c.extent(), M_PI); + EXPECT_EQ(c.sweepAngle(), -M_PI); + EXPECT_EQ(d.extent(), pi32); + EXPECT_EQ(d.sweepAngle(), -pi32); +} |