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-rw-r--r-- | tests/point-test.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/tests/point-test.cpp b/tests/point-test.cpp new file mode 100644 index 0000000..16596a5 --- /dev/null +++ b/tests/point-test.cpp @@ -0,0 +1,119 @@ +/** @file + * @brief Unit tests for Point, IntPoint and related functions. + * Uses the Google Testing Framework + *//* + * Authors: + * Krzysztof KosiĆski <tweenk.pl@gmail.com> + * + * Copyright 2014-2015 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 <gtest/gtest.h> +#include <2geom/point.h> + +namespace Geom { + +TEST(PointTest, Normalize) { + Point a(1e-18, 0); + Point b = a; + a.normalize(); + + EXPECT_EQ(a, Point(1, 0)); + EXPECT_EQ(b.normalized(), a); + EXPECT_NE(b, a); +} + +TEST(PointTest, ScalarOps) { + Point a(1,2); + EXPECT_EQ(a * 2, Point(2, 4)); + EXPECT_EQ(2 * a, Point(2, 4)); + EXPECT_EQ(a / 2, Point(0.5, 1)); + + Point b = a; + a *= 2; + a /= 2; + EXPECT_EQ(a, b); +} + +TEST(PointTest, Rounding) { + Point a(-0.7, 0.7); + IntPoint aceil(0, 1), afloor(-1, 0), around(-1, 1); + EXPECT_TRUE(a.ceil() == aceil); + EXPECT_TRUE(a.floor() == afloor); + EXPECT_TRUE(a.round() == around); +} + +TEST(PointTest, Near) { + EXPECT_TRUE(are_near(Point(), Point(0, 1e-6))); + EXPECT_FALSE(are_near(Point(), Point(0, 1e-4))); + + EXPECT_TRUE(are_near_rel(Point(100, 0), Point(100, 1e-4))); + EXPECT_FALSE(are_near_rel(Point(100, 0), Point(100, 1e-2))); +} + +TEST(PointTest, Multiplicative) { + EXPECT_EQ(Point(2, 3) * Point(4, 5), Point(8, 15)); + EXPECT_EQ(IntPoint(2, 3) * IntPoint(4, 5), IntPoint(8, 15)); + EXPECT_EQ(Point(10, 11) / Point(2, 3), Point(5, 11.0 / 3.0)); + EXPECT_EQ(IntPoint(10, 11) / IntPoint(2, 3), IntPoint(5, 11 / 3)); +} + +TEST(PointTest, PointCtors) { + Point a(2, 3); + EXPECT_EQ(a[X], 2); + EXPECT_EQ(a[Y], 3); + + a.~Point(); + new (&a) Point; + EXPECT_EQ(a, Point(0, 0)); + + a = Point(IntPoint(4, 5)); + EXPECT_EQ(a[X], 4); + EXPECT_EQ(a[Y], 5); +} + +TEST(PointTest, IntPointCtors) { + IntPoint a(2, 3); + EXPECT_EQ(a[X], 2); + EXPECT_EQ(a[Y], 3); + + a.~IntPoint(); + new (&a) IntPoint; + EXPECT_EQ(a, IntPoint(0, 0)); +} + +} // end namespace Geom + +/* + 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 : |